{ "version": "2.2", "instance": { "slm-20240930.htm": { "nsprefix": "slm", "nsuri": "http://www.salliemae.com/20240930", "dts": { "inline": { "local": [ "slm-20240930.htm" ] }, "schema": { "local": [ "slm-20240930.xsd" ], "remote": [ "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd", "http://www.xbrl.org/2003/xl-2003-12-31.xsd", "http://www.xbrl.org/2003/xlink-2003-12-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.xsd", "http://www.xbrl.org/2006/ref-2006-02-27.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd", "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd", "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd", "https://www.xbrl.org/dtr/type/2022-03-31/types.xsd", "https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd", "https://xbrl.fasb.org/srt/2024/elts/srt-roles-2024.xsd", "https://xbrl.fasb.org/srt/2024/elts/srt-types-2024.xsd", "https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd", "https://xbrl.fasb.org/us-gaap/2024/elts/us-roles-2024.xsd", "https://xbrl.fasb.org/us-gaap/2024/elts/us-types-2024.xsd", "https://xbrl.sec.gov/country/2024/country-2024.xsd", "https://xbrl.sec.gov/dei/2024/dei-2024.xsd", "https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd", "https://xbrl.sec.gov/exch/2024/exch-2024.xsd", "https://xbrl.sec.gov/stpr/2024/stpr-2024.xsd" ] }, "calculationLink": { "local": [ "slm-20240930_cal.xml" ] }, "definitionLink": { "local": [ "slm-20240930_def.xml" ] }, "labelLink": { "local": [ "slm-20240930_lab.xml" ] }, "presentationLink": { "local": [ "slm-20240930_pre.xml" ] } }, "keyStandard": 351, "keyCustom": 219, "axisStandard": 35, "axisCustom": 1, "memberStandard": 56, "memberCustom": 70, "hidden": { "total": 11, "http://www.salliemae.com/20240930": 2, "http://fasb.org/us-gaap/2024": 4, "http://xbrl.sec.gov/dei/2024": 5 }, "contextCount": 461, "entityCount": 1, "segmentCount": 136, "elementCount": 982, "unitCount": 7, "baseTaxonomies": { "http://fasb.org/us-gaap/2024": 1945, "http://xbrl.sec.gov/dei/2024": 32, "http://xbrl.sec.gov/ecd/2024": 4, "http://fasb.org/srt/2024": 2 }, "report": { "R1": { "role": "http://www.salliemae.com/role/Coverpage", "longName": "0000001 - Document - Cover page", "shortName": "Cover page", "isDefault": "true", "groupType": "document", "subGroupType": "", "menuCat": "Cover", "order": "1", "firstAnchor": { "contextRef": "c-1", "name": "dei:DocumentType", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "dei:DocumentType", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R2": { "role": "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited", "longName": "9952151 - Statement - CONSOLIDATED BALANCE SHEETS (Unaudited)", "shortName": "CONSOLIDATED BALANCE SHEETS (Unaudited)", "isDefault": "false", "groupType": "statement", "subGroupType": "", "menuCat": "Statements", "order": "2", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-4", "name": "us-gaap:OtherInvestments", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R3": { "role": "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnauditedParenthetical", "longName": "9952152 - Statement - CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical)", "shortName": "CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical)", "isDefault": "false", "groupType": "statement", "subGroupType": "parenthetical", "menuCat": "Statements", "order": "3", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:TradingSecuritiesDebtAmortizedCost", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-4", "name": "us-gaap:TradingSecuritiesDebtAmortizedCost", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R4": { "role": "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited", "longName": "9952153 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited)", "shortName": "CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited)", "isDefault": "false", "groupType": "statement", "subGroupType": "", "menuCat": "Statements", "order": "4", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:InterestAndFeeIncomeLoansAndLeases", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:InterestAndFeeIncomeLoansAndLeases", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R5": { "role": "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUnaudited", "longName": "9952154 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited)", "shortName": "CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited)", "isDefault": "false", "groupType": "statement", "subGroupType": "", "menuCat": "Statements", "order": "5", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:ProfitLoss", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R6": { "role": "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited", "longName": "9952155 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Unaudited)", "shortName": "CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Unaudited)", "isDefault": "false", "groupType": "statement", "subGroupType": "", "menuCat": "Statements", "order": "6", "firstAnchor": { "contextRef": "c-50", "name": "us-gaap:SharesIssued", "unitRef": "shares", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-50", "name": "us-gaap:SharesIssued", "unitRef": "shares", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R7": { "role": "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnauditedParenthetical", "longName": "9952156 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Unaudited) (Parenthetical)", "shortName": "CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Unaudited) (Parenthetical)", "isDefault": "false", "groupType": "statement", "subGroupType": "parenthetical", "menuCat": "Statements", "order": "7", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:CommonStockDividendsPerShareDeclared", "unitRef": "usdPerShare", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-39", "name": "us-gaap:PreferredStockDividendRatePerDollarAmount", "unitRef": "usdPerShare", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R8": { "role": "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited", "longName": "9952157 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)", "shortName": "CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)", "isDefault": "false", "groupType": "statement", "subGroupType": "", "menuCat": "Statements", "order": "8", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ProfitLoss", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:DeferredIncomeTaxExpenseBenefit", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R9": { "role": "http://www.salliemae.com/role/SignificantAccountingPolicies", "longName": "9952158 - Disclosure - Significant Accounting Policies", "shortName": "Significant Accounting Policies", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "9", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:SignificantAccountingPoliciesTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:SignificantAccountingPoliciesTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R10": { "role": "http://www.salliemae.com/role/Investments", "longName": "9952159 - Disclosure - Investments", "shortName": "Investments", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "10", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R11": { "role": "http://www.salliemae.com/role/LoansHeldforInvestment", "longName": "9952160 - Disclosure - Loans Held for Investment", "shortName": "Loans Held for Investment", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "11", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": null }, "R12": { "role": "http://www.salliemae.com/role/LoansHeldforSale", "longName": "9952161 - Disclosure - Loans Held for Sale", "shortName": "Loans Held for Sale", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "12", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": null }, "R13": { "role": "http://www.salliemae.com/role/AllowanceforCreditLosses", "longName": "9952162 - Disclosure - Allowance for Credit Losses", "shortName": "Allowance for Credit Losses", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "13", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:AllowanceForCreditLossesTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:AllowanceForCreditLossesTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R14": { "role": "http://www.salliemae.com/role/UnfundedLoanCommitments", "longName": "9952163 - Disclosure - Unfunded Loan Commitments", "shortName": "Unfunded Loan Commitments", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "14", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:CreditLossFinancialInstrumentTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:CreditLossFinancialInstrumentTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R15": { "role": "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssets", "longName": "9952164 - Disclosure - Goodwill and Acquired Intangible Assets", "shortName": "Goodwill and Acquired Intangible Assets", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "15", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R16": { "role": "http://www.salliemae.com/role/Deposits", "longName": "9952165 - Disclosure - Deposits", "shortName": "Deposits", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "16", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:DepositLiabilitiesDisclosuresTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:DepositLiabilitiesDisclosuresTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R17": { "role": "http://www.salliemae.com/role/Borrowings", "longName": "9952166 - Disclosure - Borrowings", "shortName": "Borrowings", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "17", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:DebtDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:DebtDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R18": { "role": "http://www.salliemae.com/role/DerivativeFinancialInstruments", "longName": "9952167 - Disclosure - Derivative Financial Instruments", "shortName": "Derivative Financial Instruments", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "18", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R19": { "role": "http://www.salliemae.com/role/StockholdersEquity", "longName": "9952168 - Disclosure - Stockholders' Equity", "shortName": "Stockholders' Equity", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "19", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R20": { "role": "http://www.salliemae.com/role/EarningsLossperCommonShare", "longName": "9952169 - Disclosure - Earnings (Loss) per Common Share", "shortName": "Earnings (Loss) per Common Share", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "20", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:EarningsPerShareTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:EarningsPerShareTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R21": { "role": "http://www.salliemae.com/role/FairValueMeasurements", "longName": "9952170 - Disclosure - Fair Value Measurements", "shortName": "Fair Value Measurements", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "21", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:FairValueDisclosuresTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:FairValueDisclosuresTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R22": { "role": "http://www.salliemae.com/role/RegulatoryCapital", "longName": "9952171 - Disclosure - Regulatory Capital", "shortName": "Regulatory Capital", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "22", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:RegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:RegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R23": { "role": "http://www.salliemae.com/role/CommitmentsContingenciesandGuarantees", "longName": "9952172 - Disclosure - Commitments, Contingencies and Guarantees", "shortName": "Commitments, Contingencies and Guarantees", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "23", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R24": { "role": "http://www.salliemae.com/role/SubsequentEvent", "longName": "9952173 - Disclosure - Subsequent Event", "shortName": "Subsequent Event", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "24", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:SubsequentEventsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:SubsequentEventsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R25": { "role": "http://xbrl.sec.gov/ecd/role/PvpDisclosure", "longName": "995410 - Disclosure - Pay vs Performance Disclosure", "shortName": "Pay vs Performance Disclosure", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "25", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:NetIncomeLoss", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": null }, "R26": { "role": "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements", "longName": "995445 - Disclosure - Insider Trading Arrangements", "shortName": "Insider Trading Arrangements", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "26", "firstAnchor": { "contextRef": "c-6", "name": "ecd:Rule10b51ArrAdoptedFlag", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ecd:NonRule10b51ArrAdoptedFlag", "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "ecd:Rule10b51ArrAdoptedFlag", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ecd:NonRule10b51ArrAdoptedFlag", "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R27": { "role": "http://www.salliemae.com/role/SignificantAccountingPoliciesPolicies", "longName": "9954471 - Disclosure - Significant Accounting Policies (Policies)", "shortName": "Significant Accounting Policies (Policies)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "policies", "menuCat": "Policies", "order": "27", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:BasisOfAccountingPolicyPolicyTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:BasisOfAccountingPolicyPolicyTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R28": { "role": "http://www.salliemae.com/role/InvestmentsTables", "longName": "9954472 - Disclosure - Investments (Tables)", "shortName": "Investments (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "28", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R29": { "role": "http://www.salliemae.com/role/LoansHeldforInvestmentTables", "longName": "9954473 - Disclosure - Loans Held for Investment (Tables)", "shortName": "Loans Held for Investment (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "29", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R30": { "role": "http://www.salliemae.com/role/AllowanceforCreditLossesTables", "longName": "9954474 - Disclosure - Allowance for Credit Losses (Tables)", "shortName": "Allowance for Credit Losses (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "30", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "slm:FinancingReceivablesAmortizedCostBasisTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R31": { "role": "http://www.salliemae.com/role/UnfundedLoanCommitmentsTables", "longName": "9954475 - Disclosure - Unfunded Loan Commitments (Tables)", "shortName": "Unfunded Loan Commitments (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "31", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": null }, "R32": { "role": "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsTables", "longName": "9954476 - Disclosure - Goodwill and Acquired Intangible Assets (Tables)", "shortName": "Goodwill and Acquired Intangible Assets (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "32", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R33": { "role": "http://www.salliemae.com/role/DepositsTables", "longName": "9954477 - Disclosure - Deposits (Tables)", "shortName": "Deposits (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "33", "firstAnchor": { "contextRef": "c-1", "name": "slm:ScheduleOfDepositsTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "slm:ScheduleOfDepositsTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R34": { "role": "http://www.salliemae.com/role/BorrowingsTables", "longName": "9954478 - Disclosure - Borrowings (Tables)", "shortName": "Borrowings (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "34", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfDebtTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfDebtTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R35": { "role": "http://www.salliemae.com/role/DerivativeFinancialInstrumentsTables", "longName": "9954479 - Disclosure - Derivative Financial Instruments (Tables)", "shortName": "Derivative Financial Instruments (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "35", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R36": { "role": "http://www.salliemae.com/role/StockholdersEquityTables", "longName": "9954480 - Disclosure - Stockholders' Equity (Tables)", "shortName": "Stockholders' Equity (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "36", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfTreasuryStockByClassTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfTreasuryStockByClassTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R37": { "role": "http://www.salliemae.com/role/EarningsLossperCommonShareTables", "longName": "9954481 - Disclosure - Earnings (Loss) per Common Share (Tables)", "shortName": "Earnings (Loss) per Common Share (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "37", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R38": { "role": "http://www.salliemae.com/role/FairValueMeasurementsTables", "longName": "9954482 - Disclosure - Fair Value Measurements (Tables)", "shortName": "Fair Value Measurements (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "38", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R39": { "role": "http://www.salliemae.com/role/RegulatoryCapitalTables", "longName": "9954483 - Disclosure - Regulatory Capital (Tables)", "shortName": "Regulatory Capital (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "39", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R40": { "role": "http://www.salliemae.com/role/InvestmentsNarrativeDetails", "longName": "9954484 - Disclosure - Investments - Narrative (Details)", "shortName": "Investments - Narrative (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "40", "firstAnchor": { "contextRef": "c-1", "name": "slm:VerticalRiskRetentionPercentage", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-4", "name": "us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions", "unitRef": "security", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R41": { "role": "http://www.salliemae.com/role/InvestmentsAmortizedCostandFairValueofSecuritiesAvailableforSaleDetails", "longName": "9954485 - Disclosure - Investments - Amortized Cost and Fair Value of Securities Available for Sale (Details)", "shortName": "Investments - Amortized Cost and Fair Value of Securities Available for Sale (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "41", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-4", "name": "us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R42": { "role": "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails", "longName": "9954486 - Disclosure - Investments - Gross Unrealized Losses and Fair Value for Mortgage-Backed in Unrealized Loss Position (Details)", "shortName": "Investments - Gross Unrealized Losses and Fair Value for Mortgage-Backed in Unrealized Loss Position (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "42", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-4", "name": "us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R43": { "role": "http://www.salliemae.com/role/InvestmentsMaturityTableDetails", "longName": "9954487 - Disclosure - Investments - Maturity Table (Details)", "shortName": "Investments - Maturity Table (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "43", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-93", "name": "us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:InvestmentsClassifiedByContractualMaturityDateTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R44": { "role": "http://www.salliemae.com/role/LoansHeldforInvestmentNarrativeDetails", "longName": "9954488 - Disclosure - Loans Held for Investment - Narrative (Details)", "shortName": "Loans Held for Investment - Narrative (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "44", "firstAnchor": { "contextRef": "c-4", "name": "slm:PercentOfPrivateLoansIndexedToLIBOROrSOFR", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "2", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-4", "name": "slm:PercentOfPrivateLoansIndexedToLIBOROrSOFR", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "2", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R45": { "role": "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfoliobyProgramDetails", "longName": "9954489 - Disclosure - Loans Held for Investment - Student Loan Portfolio by Program (Details)", "shortName": "Loans Held for Investment - Student Loan Portfolio by Program (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "45", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-125", "name": "us-gaap:FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R46": { "role": "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfolioAverageBalancesDetails", "longName": "9954490 - Disclosure - Loans Held for Investment - Student Loan Portfolio Average Balances (Details)", "shortName": "Loans Held for Investment - Student Loan Portfolio Average Balances (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "46", "firstAnchor": { "contextRef": "c-6", "name": "slm:FinancingReceivableBeforeAllowanceForCreditLossAverageBalance", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "slm:FinancingReceivableBeforeAllowanceForCreditLossAverageBalance", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R47": { "role": "http://www.salliemae.com/role/LoansHeldforSaleDetails", "longName": "9954491 - Disclosure - Loans Held for Sale (Details)", "shortName": "Loans Held for Sale (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "47", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:LoansReceivableHeldForSaleNetNotPartOfDisposalGroup", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-135", "name": "us-gaap:LoansReceivableHeldForSaleNetNotPartOfDisposalGroup", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R48": { "role": "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails", "longName": "9954492 - Disclosure - Allowance for Credit Losses - Allowance and Recorded Investments in Loans (Details)", "shortName": "Allowance for Credit Losses - Allowance and Recorded Investments in Loans (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "48", "firstAnchor": { "contextRef": "c-36", "name": "us-gaap:FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "slm:OffBalanceSheetCreditLossLiabilityTransferFromUnfundedCommitments", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R49": { "role": "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails", "longName": "9954493 - Disclosure - Allowance for Credit Losses - Narrative (Details)", "shortName": "Allowance for Credit Losses - Narrative (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "49", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R50": { "role": "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivableswithLoanModificationsDetails", "longName": "9954494 - Disclosure - Allowance for Credit Losses - Amortized Cost Basis of Financing Receivables with Loan Modifications (Details)", "shortName": "Allowance for Credit Losses - Amortized Cost Basis of Financing Receivables with Loan Modifications (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "50", "firstAnchor": { "contextRef": "c-174", "name": "slm:FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossesLoanModificationsAmortizedCost", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "slm:FinancingReceivablesAmortizedCostBasisTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-174", "name": "slm:FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossesLoanModificationsAmortizedCost", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "slm:FinancingReceivablesAmortizedCostBasisTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R51": { "role": "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivablesthatSubsequentlyDefaultedDetails", "longName": "9954495 - Disclosure - Allowance for Credit Losses - Amortized Cost Basis of Financing Receivables that Subsequently Defaulted (Details)", "shortName": "Allowance for Credit Losses - Amortized Cost Basis of Financing Receivables that Subsequently Defaulted (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "51", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-206", "name": "us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R52": { "role": "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPasDueLoansDelinquenciesDefermentDetails", "longName": "9954496 - Disclosure - Allowance for Credit Losses - Age Analysis of Pas Due Loans Delinquencies - Deferment (Details)", "shortName": "Allowance for Credit Losses - Age Analysis of Pas Due Loans Delinquencies - Deferment (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "52", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:FinancingReceivableModificationToTotalFinancingReceivablesPercent", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R53": { "role": "http://www.salliemae.com/role/AllowanceforCreditLossesPaymentStatusAmortizedCostBasisDetails", "longName": "9954497 - Disclosure - Allowance for Credit Losses - Payment Status (Amortized Cost Basis) (Details)", "shortName": "Allowance for Credit Losses - Payment Status (Amortized Cost Basis) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "53", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": null }, "R54": { "role": "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails", "longName": "9954498 - Disclosure - Allowance for Credit Losses - Loan Portfolio Stratified by Key Credit Quality Indicators (Details)", "shortName": "Allowance for Credit Losses - Loan Portfolio Stratified by Key Credit Quality Indicators (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "54", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-250", "name": "slm:FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestWriteoffOriginatedInCurrentFiscalYear", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R55": { "role": "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "longName": "9954499 - Disclosure - Allowance for Credit Losses - Age Analysis of Past Due Loans Delinquencies (Details)", "shortName": "Allowance for Credit Losses - Age Analysis of Past Due Loans Delinquencies (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "55", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-4", "name": "slm:PercentageOfLoansInRepaymentOriginatedInCurrentFiscalYear", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R56": { "role": "http://www.salliemae.com/role/AllowanceforCreditLossesAccruedInterestReceivableDetails", "longName": "9954500 - Disclosure - Allowance for Credit Losses - Accrued Interest Receivable (Details)", "shortName": "Allowance for Credit Losses - Accrued Interest Receivable (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "56", "firstAnchor": { "contextRef": "c-4", "name": "slm:AccruedInterestReceivableOnPrivateEducationLoans", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "slm:AccruedInterestReceivableTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-4", "name": "slm:AccruedInterestReceivableOnPrivateEducationLoans", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "slm:AccruedInterestReceivableTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R57": { "role": "http://www.salliemae.com/role/UnfundedLoanCommitmentsNarrativeDetails", "longName": "9954501 - Disclosure - Unfunded Loan Commitments - Narrative (Details)", "shortName": "Unfunded Loan Commitments - Narrative (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "57", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:ContractualObligation", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-8", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": null }, "R58": { "role": "http://www.salliemae.com/role/UnfundedLoanCommitmentsScheduleofAllowanceforCreditLossesandRecordedInvestmentsinLoansDetails", "longName": "9954502 - Disclosure - Unfunded Loan Commitments - Schedule of Allowance for Credit Losses and Recorded Investments in Loans (Details)", "shortName": "Unfunded Loan Commitments - Schedule of Allowance for Credit Losses and Recorded Investments in Loans (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "58", "firstAnchor": { "contextRef": "c-36", "name": "us-gaap:OffBalanceSheetCreditLossLiability", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R59": { "role": "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsNarrativeDetails", "longName": "9954503 - Disclosure - Goodwill and Acquired Intangible Assets - Narrative (Details)", "shortName": "Goodwill and Acquired Intangible Assets - Narrative (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "59", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:Goodwill", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "us-gaap:Goodwill", "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-5", "name": "us-gaap:Goodwill", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R60": { "role": "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails", "longName": "9954504 - Disclosure - Goodwill and Acquired Intangible Assets - Schedule of Acquired Intangible Assets (Details)", "shortName": "Goodwill and Acquired Intangible Assets - Schedule of Acquired Intangible Assets (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "60", "firstAnchor": { "contextRef": "c-5", "name": "us-gaap:FiniteLivedIntangibleAssetsGross", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-5", "name": "us-gaap:FiniteLivedIntangibleAssetsGross", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R61": { "role": "http://www.salliemae.com/role/DepositsSummaryofTotalDepositsDetails", "longName": "9954505 - Disclosure - Deposits - Summary of Total Deposits (Details)", "shortName": "Deposits - Summary of Total Deposits (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "61", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:InterestBearingDepositLiabilities", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "slm:InterestBearingDepositsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-4", "name": "us-gaap:NoninterestBearingDepositLiabilities", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "slm:ScheduleOfDepositsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R62": { "role": "http://www.salliemae.com/role/DepositsNarrativeDetails", "longName": "9954506 - Disclosure - Deposits - Narrative (Details)", "shortName": "Deposits - Narrative (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "62", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:Deposits", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "slm:ScheduleOfDepositsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-5", "name": "slm:BrokeredDeposits", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-8", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R63": { "role": "http://www.salliemae.com/role/DepositsInterestBearingDepositsDetails", "longName": "9954507 - Disclosure - Deposits - Interest Bearing Deposits (Details)", "shortName": "Deposits - Interest Bearing Deposits (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "63", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:InterestBearingDomesticDepositMoneyMarket", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "slm:InterestBearingDepositsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-4", "name": "us-gaap:InterestBearingDomesticDepositMoneyMarket", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "slm:InterestBearingDepositsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R64": { "role": "http://www.salliemae.com/role/DepositsScheduleofRemainingMaturitiesofCertificatesofDepositDetails", "longName": "9954508 - Disclosure - Deposits - Schedule of Remaining Maturities of Certificates of Deposit (Details)", "shortName": "Deposits - Schedule of Remaining Maturities of Certificates of Deposit (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "64", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:TimeDepositMaturitiesNextRollingTwelveMonths", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:TimeDepositMaturitiesTableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-4", "name": "us-gaap:TimeDepositMaturitiesNextRollingTwelveMonths", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:TimeDepositMaturitiesTableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R65": { "role": "http://www.salliemae.com/role/BorrowingsCompanyBorrowingsDetails", "longName": "9954509 - Disclosure - Borrowings - Company Borrowings (Details)", "shortName": "Borrowings - Company Borrowings (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "65", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:ShortTermBorrowings", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-299", "name": "us-gaap:ShortTermBorrowings", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R66": { "role": "http://www.salliemae.com/role/BorrowingsNarrativeDetails", "longName": "9954510 - Disclosure - Borrowings - Narrative (Details)", "shortName": "Borrowings - Narrative (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "66", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:ShortTermBorrowings", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-4", "name": "slm:UncommittedFederalFunds", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R67": { "role": "http://www.salliemae.com/role/BorrowingsSecuredFinancingDetails", "longName": "9954511 - Disclosure - Borrowings - Secured Financing (Details)", "shortName": "Borrowings - Secured Financing (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "67", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:DebtInstrumentFaceAmount", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfSecuritiesFinancingTransactionsTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-4", "name": "us-gaap:DebtInstrumentFaceAmount", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfSecuritiesFinancingTransactionsTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R68": { "role": "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails", "longName": "9954512 - Disclosure - Borrowings - Financing VIEs (Details)", "shortName": "Borrowings - Financing VIEs (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "68", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:ShortTermBorrowings", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-334", "name": "us-gaap:ShortTermBorrowings", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfVariableInterestEntitiesTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R69": { "role": "http://www.salliemae.com/role/BorrowingsSummaryofExposureRelatedToUnconsolidatedVIEsDetails", "longName": "9954513 - Disclosure - Borrowings - Summary of Exposure Related To Unconsolidated VIEs (Details)", "shortName": "Borrowings - Summary of Exposure Related To Unconsolidated VIEs (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "69", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:AvailableForSaleSecuritiesDebtSecurities", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:InvestmentsClassifiedByContractualMaturityDateTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-346", "name": "us-gaap:AvailableForSaleSecuritiesDebtSecurities", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R70": { "role": "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNarrativeDetails", "longName": "9954514 - Disclosure - Derivative Financial Instruments - Narrative (Details)", "shortName": "Derivative Financial Instruments - Narrative (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "70", "firstAnchor": { "contextRef": "c-4", "name": "slm:NumberOfCounterparties", "unitRef": "counterparty", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-4", "name": "slm:NumberOfCounterparties", "unitRef": "counterparty", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R71": { "role": "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedBalanceSheetDetails", "longName": "9954515 - Disclosure - Derivative Financial Instruments - Impact of Derivatives on Consolidated Balance Sheet (Details)", "shortName": "Derivative Financial Instruments - Impact of Derivatives on Consolidated Balance Sheet (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "71", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:DerivativeAssets", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-4", "name": "us-gaap:DerivativeAssetsLiabilitiesAtFairValueNet", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R72": { "role": "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails", "longName": "9954516 - Disclosure - Derivative Financial Instruments - Offsetting Assets and Liabilities (Details)", "shortName": "Derivative Financial Instruments - Offsetting Assets and Liabilities (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "72", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:DerivativeFairValueOfDerivativeAsset", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-4", "name": "us-gaap:DerivativeFairValueOfDerivativeAsset", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R73": { "role": "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNotionalValuesDetails", "longName": "9954517 - Disclosure - Derivative Financial Instruments - Notional Values (Details)", "shortName": "Derivative Financial Instruments - Notional Values (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "73", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:DerivativeNotionalAmount", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-364", "name": "us-gaap:DerivativeNotionalAmount", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R74": { "role": "http://www.salliemae.com/role/DerivativeFinancialInstrumentsScheduleofHedgedItemsRecordedinStatementofFinancialPositionDetails", "longName": "9954518 - Disclosure - Derivative Financial Instruments - Schedule of Hedged Items Recorded in Statement of Financial Position (Details)", "shortName": "Derivative Financial Instruments - Schedule of Hedged Items Recorded in Statement of Financial Position (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "74", "firstAnchor": { "contextRef": "c-366", "name": "us-gaap:HedgedLiabilityFairValueHedge", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfFairValueHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-366", "name": "us-gaap:HedgedLiabilityFairValueHedge", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfFairValueHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R75": { "role": "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails", "longName": "9954519 - Disclosure - Derivative Financial Instruments - Impact of Derivatives on Consolidated Statements of Income (Details)", "shortName": "Derivative Financial Instruments - Impact of Derivatives on Consolidated Statements of Income (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "75", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:DerivativeGainLossOnDerivativeNet", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:DerivativeGainLossOnDerivativeNet", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R76": { "role": "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementofChangesinStockholdersEquityDetails", "longName": "9954520 - Disclosure - Derivative Financial Instruments - Impact of Derivatives on Consolidated Statement of Changes in Stockholders' Equity (Details)", "shortName": "Derivative Financial Instruments - Impact of Derivatives on Consolidated Statement of Changes in Stockholders' Equity (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "76", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R77": { "role": "http://www.salliemae.com/role/StockholdersEquityCommonStockRepurchasedDetails", "longName": "9954521 - Disclosure - Stockholders' Equity - Common Stock Repurchased (Details)", "shortName": "Stockholders' Equity - Common Stock Repurchased (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "77", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:TreasuryStockSharesAcquired", "unitRef": "shares", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfTreasuryStockByClassTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "slm:TreasuryStockAcquiredAverageCostPerShareIncludingCommissionCosts", "unitRef": "usdPerShare", "xsiNil": "false", "lang": "en-US", "decimals": "2", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfTreasuryStockByClassTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R78": { "role": "http://www.salliemae.com/role/StockholdersEquityNarrativeDetails", "longName": "9954522 - Disclosure - Stockholders' Equity - Narrative (Details)", "shortName": "Stockholders' Equity - Narrative (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "78", "firstAnchor": { "contextRef": "c-381", "name": "us-gaap:CommonStockDividendsPerShareCashPaid", "unitRef": "usdPerShare", "xsiNil": "false", "lang": "en-US", "decimals": "2", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-381", "name": "us-gaap:CommonStockDividendsPerShareCashPaid", "unitRef": "usdPerShare", "xsiNil": "false", "lang": "en-US", "decimals": "2", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R79": { "role": "http://www.salliemae.com/role/EarningsLossperCommonShareDetails", "longName": "9954523 - Disclosure - Earnings (Loss) per Common Share (Details)", "shortName": "Earnings (Loss) per Common Share (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "79", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:NetIncomeLoss", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic", "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R80": { "role": "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails", "longName": "9954524 - Disclosure - Fair Value Measurements - Valuation of Financial Instruments That are Marked-to-Market on Recurring Basis (Details)", "shortName": "Fair Value Measurements - Valuation of Financial Instruments That are Marked-to-Market on Recurring Basis (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "80", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:TradingSecuritiesDebt", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-398", "name": "us-gaap:TradingSecuritiesDebt", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R81": { "role": "http://www.salliemae.com/role/FairValueMeasurementsFairValueMeasurementInputsandValuationTechniquesDetails", "longName": "9954525 - Disclosure - Fair Value Measurements - Fair Value Measurement Inputs and Valuation Techniques (Details)", "shortName": "Fair Value Measurements - Fair Value Measurement Inputs and Valuation Techniques (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "81", "firstAnchor": { "contextRef": "c-5", "name": "us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-5", "name": "us-gaap:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R82": { "role": "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails", "longName": "9954526 - Disclosure - Fair Value Measurements - Fair Values of Financial Assets and Liabilities, Including Derivative Financial Instruments (Details)", "shortName": "Fair Value Measurements - Fair Values of Financial Assets and Liabilities, Including Derivative Financial Instruments (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "82", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:AvailableForSaleSecuritiesDebtSecurities", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:InvestmentsClassifiedByContractualMaturityDateTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-419", "name": "us-gaap:AvailableForSaleSecuritiesDebtSecurities", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R83": { "role": "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1", "longName": "9954527 - Disclosure - Fair Value Measurements - Fair Values of Financial Assets and Liabilities, Including Derivative Financial Instruments (Details)", "shortName": "Fair Value Measurements - Fair Values of Financial Assets and Liabilities, Including Derivative Financial Instruments (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "83", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:LoansHeldForSaleFairValueDisclosure", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:FairValueByBalanceSheetGroupingTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-4", "name": "slm:AccruedInterestReceivableFairValueDisclosureDifference", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:FairValueByBalanceSheetGroupingTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R84": { "role": "http://www.salliemae.com/role/RegulatoryCapitalNarrativeDetails", "longName": "9954528 - Disclosure - Regulatory Capital - Narrative (Details)", "shortName": "Regulatory Capital - Narrative (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "84", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:DebtSecuritiesAvailableForSaleUnrealizedGainLoss", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R85": { "role": "http://www.salliemae.com/role/RegulatoryCapitalAdjustedTransitionAmountsDetails", "longName": "9954529 - Disclosure - Regulatory Capital - Adjusted Transition Amounts (Details)", "shortName": "Regulatory Capital - Adjusted Transition Amounts (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "85", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:RetainedEarningsAccumulatedDeficit", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-460", "name": "us-gaap:RetainedEarningsAccumulatedDeficit", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R86": { "role": "http://www.salliemae.com/role/RegulatoryCapitalUSBaselIIIRegulatoryRequirementsDetails", "longName": "9954530 - Disclosure - Regulatory Capital - U.S. Basel III Regulatory Requirements (Details)", "shortName": "Regulatory Capital - U.S. Basel III Regulatory Requirements (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "86", "firstAnchor": { "contextRef": "c-4", "name": "slm:CommonEquityTierOneRiskBasedCapital", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-4", "name": "slm:CommonEquityTierOneRiskBasedCapital", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true, "unique": true } }, "R87": { "role": "http://www.salliemae.com/role/CommitmentsContingenciesandGuaranteesDetails", "longName": "9954531 - Disclosure - Commitments, Contingencies and Guarantees (Details)", "shortName": "Commitments, Contingencies and Guarantees (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "87", "firstAnchor": { "contextRef": "c-4", "name": "us-gaap:ContractualObligation", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-8", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-4", "name": "slm:OtherLiabilitiesReserve", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } }, "R88": { "role": "http://www.salliemae.com/role/SubsequentEventsDetails", "longName": "9954532 - Disclosure - Subsequent Events (Details)", "shortName": "Subsequent Events (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "88", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:CommonStockDividendsPerShareDeclared", "unitRef": "usdPerShare", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-461", "name": "us-gaap:CommonStockDividendsPerShareDeclared", "unitRef": "usdPerShare", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "slm-20240930.htm", "unique": true } } }, "tag": { "slm_A2022ShareRepurchaseProgramMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "A2022ShareRepurchaseProgramMember", "presentation": [ "http://www.salliemae.com/role/StockholdersEquityNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2022 Share Repurchase Program", "label": "2022 Share Repurchase Program [Member]", "documentation": "2022 Share Repurchase Program" } } }, "auth_ref": [] }, "slm_A2024ShareRepurchaseProgramMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "A2024ShareRepurchaseProgramMember", "presentation": [ "http://www.salliemae.com/role/StockholdersEquityNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2024 Share Repurchase Program", "label": "2024 Share Repurchase Program [Member]", "documentation": "2024 Share Repurchase Program" } } }, "auth_ref": [] }, "slm_ABCPBorrowingsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "ABCPBorrowingsMember", "presentation": [ "http://www.salliemae.com/role/BorrowingsCompanyBorrowingsDetails", "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Secured Borrowing Facility", "label": "ABCP Borrowings [Member]", "documentation": "ABCP Borrowings [Member]" } } }, "auth_ref": [] }, "us-gaap_AccountingPoliciesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AccountingPoliciesAbstract", "lang": { "en-us": { "role": { "terseLabel": "Accounting Policies [Abstract]", "label": "Accounting Policies [Abstract]" } } }, "auth_ref": [] }, "us-gaap_AccountsNotesAndLoansReceivableLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AccountsNotesAndLoansReceivableLineItems", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivablesthatSubsequentlyDefaultedDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivableswithLoanModificationsDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesPaymentStatusAmortizedCostBasisDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentNarrativeDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfolioAverageBalancesDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfoliobyProgramDetails", "http://www.salliemae.com/role/LoansHeldforSaleDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Accounts, Notes, Loans and Financing Receivable [Line Items]", "label": "Accounts, Notes, Loans and Financing Receivable [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r304", "r1031" ] }, "us-gaap_AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AccountsNotesLoansAndFinancingReceivablesByIndustryOfCounterpartyTypeAxis", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPasDueLoansDelinquenciesDefermentDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivablesthatSubsequentlyDefaultedDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivableswithLoanModificationsDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesPaymentStatusAmortizedCostBasisDetails", "http://www.salliemae.com/role/LoansHeldforSaleDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Industry of Counterparty, Type [Axis]", "label": "Industry of Counterparty, Type [Axis]", "documentation": "Information by industry of counterparty. A counterparty is the other party that participates in a financial transaction." } } }, "auth_ref": [ "r95", "r101" ] }, "us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AccretionAmortizationOfDiscountsAndPremiumsInvestments", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 17.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Net amortization of discount on investments", "label": "Accretion (Amortization) of Discounts and Premiums, Investments", "documentation": "The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method." } } }, "auth_ref": [ "r112" ] }, "slm_AccruedInterestReceivableExpectedToBeCapitalizedReservedAllowanceForCreditLosses": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AccruedInterestReceivableExpectedToBeCapitalizedReservedAllowanceForCreditLosses", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAccruedInterestReceivableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued interest receivable expected to be capitalized reserved", "label": "Accrued Interest Receivable Expected To Be Capitalized Reserved Allowance For Credit Losses", "documentation": "Accrued Interest Receivable Expected To Be Capitalized Reserved Allowance For Credit Losses" } } }, "auth_ref": [] }, "slm_AccruedInterestReceivableFairValueDisclosure": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AccruedInterestReceivableFairValueDisclosure", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1": { "parentTag": "us-gaap_AssetsFairValueDisclosure", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued interest receivable", "label": "Accrued Interest Receivable, Fair Value Disclosure", "documentation": "Accrued Interest Receivable, Fair Value Disclosure" } } }, "auth_ref": [] }, "slm_AccruedInterestReceivableFairValueDisclosureDifference": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AccruedInterestReceivableFairValueDisclosureDifference", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued interest receivable, difference", "label": "Accrued Interest Receivable, Fair Value Disclosure, Difference", "documentation": "Accrued Interest Receivable, Fair Value Disclosure, Difference" } } }, "auth_ref": [] }, "slm_AccruedInterestReceivableNotExpectedToBeCapitalized": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AccruedInterestReceivableNotExpectedToBeCapitalized", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAccruedInterestReceivableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued interest receivable not expected to be capitalized", "label": "Accrued Interest Receivable Not Expected To Be Capitalized", "documentation": "Accrued Interest Receivable Not Expected To Be Capitalized" } } }, "auth_ref": [] }, "slm_AccruedInterestReceivableOnPrivateEducationLoans": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AccruedInterestReceivableOnPrivateEducationLoans", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAccruedInterestReceivableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Interest Receivable", "label": "Accrued Interest Receivable On Private Education Loans", "documentation": "Accrued interest receivable on private education loans." } } }, "auth_ref": [] }, "slm_AccruedInterestReceivableTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AccruedInterestReceivableTableTextBlock", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Accrued Interest Receivable", "label": "Accrued Interest Receivable [Table Text Block]", "documentation": "Accrued interest receivable." } } }, "auth_ref": [] }, "slm_AccruedInterestToBeCapitalizedAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AccruedInterestToBeCapitalizedAbstract", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued interest to be capitalized", "label": "Accrued Interest to be Capitalized [Abstract]", "documentation": "Accrued Interest to be Capitalized" } } }, "auth_ref": [] }, "slm_AccruedInterestToBeCapitalizedCollectivelyEvaluatedForImpairment": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AccruedInterestToBeCapitalizedCollectivelyEvaluatedForImpairment", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Ending balance: collectively evaluated for impairment", "label": "Accrued Interest to be Capitalized, Collectively Evaluated for Impairment", "documentation": "Accrued Interest to be Capitalized, Collectively Evaluated for Impairment" } } }, "auth_ref": [] }, "slm_AccruedInterestToBeCapitalizedOnLoansInRepayment": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AccruedInterestToBeCapitalizedOnLoansInRepayment", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued interest to be capitalized on loans in repayment", "label": "Accrued Interest To Be Capitalized On Loans In Repayment", "documentation": "Accrued Interest To Be Capitalized On Loans In Repayment" } } }, "auth_ref": [] }, "us-gaap_AccruedLiabilitiesFairValueDisclosure": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AccruedLiabilitiesFairValueDisclosure", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1": { "parentTag": "us-gaap_FinancialLiabilitiesFairValueDisclosure", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued interest payable", "label": "Accrued Liabilities, Fair Value Disclosure", "documentation": "Fair value portion of accrued expenses." } } }, "auth_ref": [ "r86", "r1097", "r1098", "r1108" ] }, "us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AccumulatedGainLossNetCashFlowHedgeParentMember", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent", "label": "Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]", "documentation": "Accumulated other comprehensive income (loss) from gain (loss) of derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness, attributable to parent." } } }, "auth_ref": [ "r227", "r235", "r236", "r534", "r828", "r1002" ] }, "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AccumulatedOtherComprehensiveIncomeLossNetOfTax", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "slm_StockholdersEquityAttributableToParentExcludingTreasuryStock", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Accumulated other comprehensive loss (net of tax benefit of ($16,210) and ($24,176), respectively)", "label": "Accumulated Other Comprehensive Income (Loss), Net of Tax", "documentation": "Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source." } } }, "auth_ref": [ "r20", "r21", "r104", "r215", "r674", "r695", "r696" ] }, "us-gaap_AccumulatedOtherComprehensiveIncomeMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AccumulatedOtherComprehensiveIncomeMember", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Accumulated Other Comprehensive Income (Loss)", "label": "AOCI Attributable to Parent [Member]", "documentation": "Accumulated increase (decrease) in equity from transactions and other events and circumstances from non-owner sources, attributable to the parent. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners." } } }, "auth_ref": [ "r1", "r10", "r21", "r546", "r549", "r603", "r691", "r692", "r1002", "r1003", "r1004", "r1015", "r1016", "r1017", "r1018" ] }, "us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife": { "xbrltype": "durationItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted average useful life of acquired intangible assets", "label": "Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life", "documentation": "Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days." } } }, "auth_ref": [ "r394", "r822" ] }, "ecd_Additional402vDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "Additional402vDisclosureTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Additional 402(v) Disclosure", "label": "Additional 402(v) Disclosure [Text Block]" } } }, "auth_ref": [ "r930" ] }, "us-gaap_AdditionalPaidInCapital": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AdditionalPaidInCapital", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "slm_StockholdersEquityAttributableToParentExcludingTreasuryStock", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Additional paid-in capital", "label": "Additional Paid in Capital", "documentation": "Amount of excess of issue price over par or stated value of stock and from other transaction involving stock or stockholder. Includes, but is not limited to, additional paid-in capital (APIC) for common and preferred stock." } } }, "auth_ref": [ "r96", "r876", "r1137" ] }, "us-gaap_AdditionalPaidInCapitalMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AdditionalPaidInCapitalMember", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Additional Paid-In Capital", "label": "Additional Paid-in Capital [Member]", "documentation": "Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders." } } }, "auth_ref": [ "r706", "r1015", "r1016", "r1017", "r1018", "r1095", "r1138" ] }, "slm_AdditionalProceedsFromSaleOfDebtSecuritiesAvailableForSale": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AdditionalProceedsFromSaleOfDebtSecuritiesAvailableForSale", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Additional proceeds from sale", "label": "Additional Proceeds From Sale Of Debt Securities, Available-For-Sale", "documentation": "Additional Proceeds From Sale Of Debt Securities, Available-For-Sale" } } }, "auth_ref": [] }, "ecd_AdjToCompAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AdjToCompAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Adjustment to Compensation, Amount", "label": "Adjustment to Compensation Amount" } } }, "auth_ref": [ "r943" ] }, "ecd_AdjToCompAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AdjToCompAxis", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Adjustment to Compensation:", "label": "Adjustment to Compensation [Axis]" } } }, "auth_ref": [ "r943" ] }, "ecd_AdjToNonPeoNeoCompFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AdjToNonPeoNeoCompFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Adjustment to Non-PEO NEO Compensation Footnote", "label": "Adjustment to Non-PEO NEO Compensation Footnote [Text Block]" } } }, "auth_ref": [ "r943" ] }, "ecd_AdjToPeoCompFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AdjToPeoCompFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Adjustment To PEO Compensation, Footnote", "label": "Adjustment To PEO Compensation, Footnote [Text Block]" } } }, "auth_ref": [ "r943" ] }, "us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Shares repurchased related to employee stock-based compensation plans", "label": "Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation", "documentation": "Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement." } } }, "auth_ref": [] }, "us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Stock-based compensation expense", "label": "APIC, Share-Based Payment Arrangement, Increase for Cost Recognition", "documentation": "Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement." } } }, "auth_ref": [ "r43", "r44", "r483" ] }, "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Total adjustments", "label": "Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities", "documentation": "The sum of adjustments which are added to or deducted from net income or loss, including the portion attributable to noncontrolling interest, to reflect cash provided by or used in operating activities, in accordance with the indirect cash flow method." } } }, "auth_ref": [ "r112" ] }, "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Adjustments to reconcile net income to net cash provided by (used in) operating activities:", "label": "Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]" } } }, "auth_ref": [] }, "slm_AdoptionOfNewAccountingPronouncementsPercentDeferredPerYear": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AdoptionOfNewAccountingPronouncementsPercentDeferredPerYear", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Percentage amount deferred per year", "label": "Adoption Of New Accounting Pronouncements, Percent Deferred Per Year", "documentation": "Adoption Of New Accounting Pronouncements, Percent Deferred Per Year" } } }, "auth_ref": [] }, "slm_AdoptionOfNewAccountingPronouncementsPercentPhasedInDuringYear": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AdoptionOfNewAccountingPronouncementsPercentPhasedInDuringYear", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Percentage amount phased in during year", "label": "Adoption Of New Accounting Pronouncements, Percent Phased In During Year", "documentation": "Adoption Of New Accounting Pronouncements, Percent Phased In During Year" } } }, "auth_ref": [] }, "us-gaap_AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/InvestmentsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Low income housing tax credit investments, tax credits and benefits (less than)", "label": "Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, before Amortization Expense", "documentation": "Amount, before amortization expense, of income tax credit and other tax benefit generated by investment under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, investment under tax credit program not meeting condition for accounting under proportional amortization method." } } }, "auth_ref": [ "r174", "r519" ] }, "slm_AffordableHousingTaxCreditsAndOtherTaxBenefitsPercentage": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AffordableHousingTaxCreditsAndOtherTaxBenefitsPercentage", "presentation": [ "http://www.salliemae.com/role/InvestmentsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Low income housing tax credit investments, expected tax benefits recognized", "label": "Affordable Housing Tax Credits And Other Tax Benefits, Percentage", "documentation": "Affordable Housing Tax Credits And Other Tax Benefits, Percentage" } } }, "auth_ref": [] }, "ecd_AggtChngPnsnValInSummryCompstnTblForAplblYrMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AggtChngPnsnValInSummryCompstnTblForAplblYrMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table", "label": "Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member]" } } }, "auth_ref": [ "r976" ] }, "ecd_AggtErrCompAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AggtErrCompAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Erroneous Compensation Amount", "label": "Aggregate Erroneous Compensation Amount" } } }, "auth_ref": [ "r902", "r912", "r922", "r954" ] }, "ecd_AggtErrCompNotYetDeterminedTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AggtErrCompNotYetDeterminedTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Erroneous Compensation Not Yet Determined", "label": "Aggregate Erroneous Compensation Not Yet Determined [Text Block]" } } }, "auth_ref": [ "r905", "r915", "r925", "r957" ] }, "ecd_AggtPnsnAdjsSvcCstMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AggtPnsnAdjsSvcCstMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Pension Adjustments Service Cost", "label": "Aggregate Pension Adjustments Service Cost [Member]" } } }, "auth_ref": [ "r977" ] }, "ecd_AllAdjToCompMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AllAdjToCompMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "All Adjustments to Compensation", "label": "All Adjustments to Compensation [Member]" } } }, "auth_ref": [ "r943" ] }, "ecd_AllExecutiveCategoriesMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AllExecutiveCategoriesMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "All Executive Categories", "label": "All Executive Categories [Member]" } } }, "auth_ref": [ "r950" ] }, "ecd_AllIndividualsMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AllIndividualsMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure", "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure", "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements", "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "All Individuals", "label": "All Individuals [Member]" } } }, "auth_ref": [ "r906", "r916", "r926", "r950", "r958", "r962", "r970" ] }, "ecd_AllTradingArrangementsMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AllTradingArrangementsMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "All Trading Arrangements", "label": "All Trading Arrangements [Member]" } } }, "auth_ref": [ "r968" ] }, "slm_AllowanceAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AllowanceAbstract", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails", "http://www.salliemae.com/role/UnfundedLoanCommitmentsScheduleofAllowanceforCreditLossesandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Allowance", "label": "Allowance [Abstract]", "documentation": "Allowance." } } }, "auth_ref": [] }, "slm_AllowanceAsPercentageOfEndingLoanBalanceAndAccruedInterest": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AllowanceAsPercentageOfEndingLoanBalanceAndAccruedInterest", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Allowance as a percentage of the ending total loan balance and accrued interest to be capitalized", "label": "Allowance As Percentage Of Ending Loan Balance And Accrued Interest", "documentation": "Allowance As Percentage Of Ending Loan Balance And Accrued Interest" } } }, "auth_ref": [] }, "slm_AllowanceAsPercentageOfEndingLoansInRepayment": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AllowanceAsPercentageOfEndingLoansInRepayment", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Allowance as a percentage of the ending loans in repayment and accrued interest to be capitalized on loans in repayment", "label": "Allowance As Percentage Of Ending Loans In Repayment", "documentation": "Allowance as a percentage of the ending loans in repayment." } } }, "auth_ref": [] }, "slm_AllowanceCoverageOfChargeOffsAverageLoansInRepayment": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AllowanceCoverageOfChargeOffsAverageLoansInRepayment", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Average loans in repayment", "label": "Allowance Coverage Of Charge Offs Average Loans In Repayment", "documentation": "Allowance coverage of charge offs average loans in repayment." } } }, "auth_ref": [] }, "slm_AllowanceCoverageOfChargeOffsEndingLoans": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AllowanceCoverageOfChargeOffsEndingLoans", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Ending total loans, gross", "label": "Allowance Coverage Of Charge Offs Ending Loans", "documentation": "Allowance coverage of charge-offs ending total loans." } } }, "auth_ref": [] }, "slm_AllowanceCoverageOfChargeOffsEndingLoansInRepayment": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AllowanceCoverageOfChargeOffsEndingLoansInRepayment", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Ending loans in repayment", "label": "Allowance Coverage Of Charge Offs Ending Loans In Repayment", "documentation": "Allowance coverage of charge-offs Ending loans in repayment." } } }, "auth_ref": [] }, "slm_AllowanceForCreditLossesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AllowanceForCreditLossesAbstract", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Allowance for Credit Losses", "label": "Allowance For Credit Losses [Abstract]", "documentation": "Allowance for credit losses." } } }, "auth_ref": [] }, "us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesTables", "http://www.salliemae.com/role/UnfundedLoanCommitmentsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Allowance for Credit Losses and Recorded Investments in Loans", "label": "Financing Receivable, Allowance for Credit Loss [Table Text Block]", "documentation": "Tabular disclosure of allowance for credit loss on financing receivable." } } }, "auth_ref": [ "r158", "r1049" ] }, "us-gaap_AllowanceForCreditLossesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AllowanceForCreditLossesTextBlock", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLosses" ], "lang": { "en-us": { "role": { "terseLabel": "Allowance for Credit Losses", "label": "Allowance for Credit Losses [Text Block]", "documentation": "The entire disclosure for allowance for credit losses." } } }, "auth_ref": [ "r29" ] }, "us-gaap_AllowanceForLoanAndLeaseLossesLoansSold": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AllowanceForLoanAndLeaseLossesLoansSold", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Write-downs arising from transfer of loans to held for sale", "label": "Allowance for Loan and Lease Losses, Loans Sold", "documentation": "Amount of reduction of allowance reserve for credit loss arising from sale of loan and lease portfolios." } } }, "auth_ref": [ "r161" ] }, "us-gaap_AllowanceForLoanAndLeaseLossesWriteoffsNetAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AllowanceForLoanAndLeaseLossesWriteoffsNetAbstract", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Net charge-offs:", "label": "Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery [Abstract]" } } }, "auth_ref": [] }, "slm_AllowanceForUncollectibleAccruedInterest": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AllowanceForUncollectibleAccruedInterest", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAccruedInterestReceivableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Allowance for Uncollectible Interest", "label": "Allowance For Uncollectible Accrued Interest", "documentation": "Allowance For Uncollectible Accrued Interest" } } }, "auth_ref": [] }, "dei_AmendmentFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "AmendmentFlag", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Amendment Flag", "label": "Amendment Flag", "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission." } } }, "auth_ref": [] }, "us-gaap_AmortizationMethodQualifiedAffordableHousingProjectInvestments": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AmortizationMethodQualifiedAffordableHousingProjectInvestments", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/InvestmentsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Low income housing tax credit investments", "label": "Investment, Proportional Amortization Method, Elected, Amount", "documentation": "Amount of investment that generates income tax credit and other income tax benefit under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, investment under program not meeting condition for accounting under proportional amortization method." } } }, "auth_ref": [ "r175", "r520" ] }, "slm_AmortizationOfABCPUpfrontLoanFees": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AmortizationOfABCPUpfrontLoanFees", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 13.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Amortization of Secured Borrowing Facility upfront fee", "label": "Amortization of ABCP Upfront Loan Fees", "documentation": "Amortization of ABCP Upfront Loan Fees" } } }, "auth_ref": [] }, "us-gaap_AmortizationOfAcquisitionCosts": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AmortizationOfAcquisitionCosts", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 14.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Acquisition transaction costs, net", "label": "Amortization of Acquisition Costs", "documentation": "The amount of expense recognized in the current period that reflects the allocation of capitalized costs associated with acquisition of business. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method." } } }, "auth_ref": [ "r5" ] }, "slm_AmortizationOfBrokeredDepositPlacement": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AmortizationOfBrokeredDepositPlacement", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 19.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Amortization of brokered deposit placement fee", "label": "Amortization Of Brokered Deposit Placement", "documentation": "amortization of brokered deposit placement" } } }, "auth_ref": [] }, "us-gaap_AmortizationOfDeferredLoanOriginationFeesNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AmortizationOfDeferredLoanOriginationFeesNet", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 16.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Amortization of deferred loan origination costs and loan premium/(discounts), net", "label": "Amortization of Deferred Loan Origination Fees, Net", "documentation": "The net increase(decrease) in interest income during the period representing the allocation of deferred loan origination fees less deferred loan origination costs using the effective interest method over the term of the debt arrangement to which they pertain taking into account the effect of prepayments." } } }, "auth_ref": [ "r1008", "r1030" ] }, "us-gaap_AmortizationOfIntangibleAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AmortizationOfIntangibleAssets", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_NoninterestExpense", "weight": 1.0, "order": 2.0 }, "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 21.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited", "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited", "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Acquired intangible assets amortization expense", "verboseLabel": "Acquired intangible assets amortization expense", "label": "Amortization of Intangible Assets", "documentation": "The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method." } } }, "auth_ref": [ "r5", "r391", "r398", "r846" ] }, "slm_AmountOfVariationMarginIncludedAsSettlement": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AmountOfVariationMarginIncludedAsSettlement", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Amount of variation margin included as settlement", "label": "Amount Of Variation Margin Included As Settlement", "documentation": "Amount Of Variation Margin Included As Settlement" } } }, "auth_ref": [] }, "slm_AnnualizedAllowanceOnPrivateEducationLoanCoverageOfChargeOffs": { "xbrltype": "pureItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AnnualizedAllowanceOnPrivateEducationLoanCoverageOfChargeOffs", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Allowance coverage of net charge-offs (annualized)", "label": "Annualized Allowance On Private Education Loan Coverage Of Charge Offs", "documentation": "Annualized allowance on private education loan coverage of charge offs." } } }, "auth_ref": [] }, "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount", "presentation": [ "http://www.salliemae.com/role/EarningsLossperCommonShareDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Antidilutive securities excluded from computation of earnings per share (less than) (in shares)", "label": "Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount", "documentation": "Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented." } } }, "auth_ref": [ "r289" ] }, "us-gaap_AociTaxAttributableToParent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AociTaxAttributableToParent", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnauditedParenthetical" ], "lang": { "en-us": { "role": { "negatedLabel": "Tax benefit on accumulated other comprehensive loss", "label": "AOCI Tax, Attributable to Parent", "documentation": "Amount of tax expense (benefit) allocated to accumulated other comprehensive income (loss) attributable to parent." } } }, "auth_ref": [] }, "us-gaap_Assets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "Assets", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": null, "weight": null, "order": null, "root": true }, "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails", "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Total assets", "label": "Assets", "documentation": "Amount of asset recognized for present right to economic benefit." } } }, "auth_ref": [ "r132", "r157", "r209", "r253", "r293", "r297", "r301", "r302", "r346", "r421", "r422", "r423", "r424", "r425", "r426", "r427", "r428", "r429", "r530", "r535", "r586", "r670", "r750", "r833", "r834", "r876", "r893", "r1080", "r1081", "r1118" ] }, "us-gaap_AssetsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AssetsAbstract", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Assets", "label": "Assets [Abstract]" } } }, "auth_ref": [] }, "us-gaap_AssetsFairValueDisclosure": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AssetsFairValueDisclosure", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails": { "parentTag": null, "weight": null, "order": null, "root": true }, "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails", "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1", "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total earning assets", "verboseLabel": "Total", "label": "Assets, Fair Value Disclosure", "documentation": "Fair value portion of asset recognized for present right to economic benefit." } } }, "auth_ref": [ "r560", "r561", "r864" ] }, "us-gaap_AssetsFairValueDisclosureAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AssetsFairValueDisclosureAbstract", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Assets:", "label": "Assets, Fair Value Disclosure [Abstract]" } } }, "auth_ref": [] }, "slm_AssetsFairValueDisclosureDifferenceBetweenCarryingValueAndFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AssetsFairValueDisclosureDifferenceBetweenCarryingValueAndFairValue", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Total earning assets, difference", "label": "Assets, Fair Value Disclosure, Difference Between Carrying Value And Fair Value", "documentation": "Assets, Fair Value Disclosure, Difference Between Carrying Value And Fair Value" } } }, "auth_ref": [] }, "us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/InvestmentsAmortizedCostandFairValueofSecuritiesAvailableforSaleDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Gross Unrealized Gains", "label": "Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax", "documentation": "Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r319" ] }, "us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/InvestmentsAmortizedCostandFairValueofSecuritiesAvailableforSaleDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Gross Unrealized Losses", "label": "Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax", "documentation": "Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r320" ] }, "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AvailableForSaleDebtSecuritiesAmortizedCostBasis", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnauditedParenthetical", "http://www.salliemae.com/role/InvestmentsAmortizedCostandFairValueofSecuritiesAvailableforSaleDetails", "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Available-for sale investments at fair value, cost", "terseLabel": "Amortized Cost", "label": "Debt Securities, Available-for-Sale, Amortized Cost", "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r316", "r375", "r668" ] }, "us-gaap_AvailableForSaleSecuritiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AvailableForSaleSecuritiesAbstract", "presentation": [ "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "12 months or more", "label": "Debt Securities, Available-for-Sale [Abstract]" } } }, "auth_ref": [] }, "us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract", "presentation": [ "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Less than 12 months", "label": "Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]" } } }, "auth_ref": [] }, "us-gaap_AvailableForSaleSecuritiesDebtSecurities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AvailableForSaleSecuritiesDebtSecurities", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails": { "parentTag": "us-gaap_AssetsFairValueDisclosure", "weight": 1.0, "order": 1.0 }, "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_Investments", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/BorrowingsSummaryofExposureRelatedToUnconsolidatedVIEsDetails", "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited", "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails", "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails", "http://www.salliemae.com/role/InvestmentsAmortizedCostandFairValueofSecuritiesAvailableforSaleDetails", "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Available-for-sale investments at fair value (cost of $2,113,257 and $2,563,984, respectively)", "verboseLabel": "Estimated Fair Value", "netLabel": "Available-for-sale investments", "label": "Debt Securities, Available-for-Sale", "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r317", "r375", "r560", "r648", "r864", "r868", "r1033", "r1099", "r1100", "r1101" ] }, "slm_AvailableForSaleSecuritiesUnrealizedLossPositionAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "AvailableForSaleSecuritiesUnrealizedLossPositionAbstract", "presentation": [ "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total", "label": "Available-For-Sale Securities, Unrealized Loss Position [Abstract]", "documentation": "Available-For-Sale Securities, Unrealized Loss Position [Abstract]" } } }, "auth_ref": [] }, "ecd_AwardExrcPrice": { "xbrltype": "perShareItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AwardExrcPrice", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Exercise Price", "label": "Award Exercise Price" } } }, "auth_ref": [ "r965" ] }, "ecd_AwardGrantDateFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AwardGrantDateFairValue", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value as of Grant Date", "label": "Award Grant Date Fair Value" } } }, "auth_ref": [ "r966" ] }, "ecd_AwardTmgDiscLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AwardTmgDiscLineItems", "lang": { "en-us": { "role": { "label": "Award Timing Disclosures [Line Items]" } } }, "auth_ref": [ "r961" ] }, "ecd_AwardTmgHowMnpiCnsdrdTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AwardTmgHowMnpiCnsdrdTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Award Timing, How MNPI Considered", "label": "Award Timing, How MNPI Considered [Text Block]" } } }, "auth_ref": [ "r961" ] }, "ecd_AwardTmgMethodTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AwardTmgMethodTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Award Timing Method", "label": "Award Timing Method [Text Block]" } } }, "auth_ref": [ "r961" ] }, "ecd_AwardTmgMnpiCnsdrdFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AwardTmgMnpiCnsdrdFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Award Timing MNPI Considered", "label": "Award Timing MNPI Considered [Flag]" } } }, "auth_ref": [ "r961" ] }, "ecd_AwardTmgMnpiDiscTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AwardTmgMnpiDiscTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Award Timing MNPI Disclosure", "label": "Award Timing MNPI Disclosure [Text Block]" } } }, "auth_ref": [ "r961" ] }, "ecd_AwardTmgPredtrmndFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AwardTmgPredtrmndFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Award Timing Predetermined", "label": "Award Timing Predetermined [Flag]" } } }, "auth_ref": [ "r961" ] }, "us-gaap_AwardTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "AwardTypeAxis", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Award Type", "label": "Award Type [Axis]", "documentation": "Information by type of award under share-based payment arrangement." } } }, "auth_ref": [ "r485", "r486", "r487", "r488", "r489", "r490", "r491", "r492", "r493", "r494", "r495", "r496", "r497", "r498", "r499", "r500", "r501", "r502", "r503", "r504", "r505", "r506", "r507", "r508", "r509", "r510" ] }, "ecd_AwardUndrlygSecuritiesAmt": { "xbrltype": "decimalItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AwardUndrlygSecuritiesAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Underlying Securities", "label": "Award Underlying Securities Amount" } } }, "auth_ref": [ "r964" ] }, "ecd_AwardsCloseToMnpiDiscIndName": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AwardsCloseToMnpiDiscIndName", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Name", "label": "Awards Close in Time to MNPI Disclosures, Individual Name" } } }, "auth_ref": [ "r963" ] }, "ecd_AwardsCloseToMnpiDiscTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AwardsCloseToMnpiDiscTable", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Awards Close in Time to MNPI Disclosures", "label": "Awards Close in Time to MNPI Disclosures [Table]" } } }, "auth_ref": [ "r962" ] }, "ecd_AwardsCloseToMnpiDiscTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "AwardsCloseToMnpiDiscTableTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Awards Close in Time to MNPI Disclosures, Table", "label": "Awards Close in Time to MNPI Disclosures [Table Text Block]" } } }, "auth_ref": [ "r962" ] }, "us-gaap_BankingAndThriftOtherDisclosuresAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "BankingAndThriftOtherDisclosuresAbstract", "lang": { "en-us": { "role": { "terseLabel": "Banking and Thrift, Other Disclosure [Abstract]", "label": "Banking and Thrift, Other Disclosure [Abstract]" } } }, "auth_ref": [] }, "us-gaap_BasisOfAccountingPolicyPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "BasisOfAccountingPolicyPolicyTextBlock", "presentation": [ "http://www.salliemae.com/role/SignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Basis of Presentation", "label": "Basis of Accounting, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS)." } } }, "auth_ref": [] }, "slm_BorrowingsCollateralizedByLoansInTrustIssued": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "BorrowingsCollateralizedByLoansInTrustIssued", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0, "order": 9.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Borrowings collateralized by loans in securitization trusts - issued", "label": "Borrowings Collateralized By Loans In Trust Issued", "documentation": "Borrowings Collateralized By Loans In Trust Issued" } } }, "auth_ref": [] }, "slm_BorrowingsCollateralizedByLoansInTrustRepaid": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "BorrowingsCollateralizedByLoansInTrustRepaid", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0, "order": 4.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Borrowings collateralized by loans in securitization trusts - repaid", "label": "Borrowings Collateralized By Loans In Trust Repaid", "documentation": "Borrowings Collateralized By Loans In Trust Repaid" } } }, "auth_ref": [] }, "slm_BrokeredDepositPlacementFee": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "BrokeredDepositPlacementFee", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/DepositsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Brokered deposit placement fee", "label": "Brokered Deposit Placement Fee", "documentation": "Brokered Deposit Placement Fee" } } }, "auth_ref": [] }, "slm_BrokeredDeposits": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "BrokeredDeposits", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/DepositsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Brokered deposits", "label": "Brokered Deposits", "documentation": "Brokered Deposits" } } }, "auth_ref": [] }, "us-gaap_BusinessAcquisitionAcquireeDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "BusinessAcquisitionAcquireeDomain", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Business Acquisition, Acquiree [Domain]", "label": "Business Acquisition, Acquiree [Domain]", "documentation": "Identification of the acquiree in a material business combination (or series of individually immaterial business combinations), which may include the name or other type of identification of the acquiree." } } }, "auth_ref": [ "r392", "r393", "r394", "r395", "r396", "r526", "r856", "r857" ] }, "us-gaap_BusinessAcquisitionAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "BusinessAcquisitionAxis", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Business Acquisition [Axis]", "label": "Business Acquisition [Axis]", "documentation": "Information by business combination or series of individually immaterial business combinations." } } }, "auth_ref": [ "r45", "r46", "r392", "r393", "r394", "r395", "r396", "r526", "r856", "r857" ] }, "us-gaap_Capital": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "Capital", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalUSBaselIIIRegulatoryRequirementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Capital (to Risk-Weighted Assets)", "label": "Banking Regulation, Total Capital, Actual", "documentation": "Amount of total capital as defined by regulatory framework." } } }, "auth_ref": [ "r659" ] }, "us-gaap_CapitalAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CapitalAbstract", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalUSBaselIIIRegulatoryRequirementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Actual Amount", "label": "Banking Regulation, Total Capital [Abstract]" } } }, "auth_ref": [] }, "us-gaap_CapitalRequiredToBeWellCapitalized": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CapitalRequiredToBeWellCapitalized", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalUSBaselIIIRegulatoryRequirementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Capital (to Risk-Weighted Assets)", "label": "Banking Regulation, Total Risk-Based Capital, Well Capitalized, Minimum", "documentation": "Amount of minimum total risk-based capital categorized as well capitalized as defined by regulatory framework for prompt corrective action." } } }, "auth_ref": [ "r659" ] }, "us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets": { "xbrltype": "pureItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalUSBaselIIIRegulatoryRequirementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Capital (to Risk-Weighted Assets)", "label": "Banking Regulation, Total Risk-Based Capital Ratio, Well Capitalized, Minimum", "documentation": "Ratio of minimum total risk-based capital to risk-weighted assets categorized as well capitalized as defined by regulatory framework for prompt corrective action." } } }, "auth_ref": [ "r659" ] }, "us-gaap_CapitalToRiskWeightedAssets": { "xbrltype": "pureItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CapitalToRiskWeightedAssets", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalUSBaselIIIRegulatoryRequirementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Capital (to Risk-Weighted Assets)", "label": "Banking Regulation, Total Risk-Based Capital Ratio, Actual", "documentation": "Ratio of total risk-based capital to risk-weighted assets as defined by regulatory framework." } } }, "auth_ref": [ "r659" ] }, "slm_CarryingAmountOfAssetsSecuringDebtOutstandingLoans": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "CarryingAmountOfAssetsSecuringDebtOutstandingLoans", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loans", "label": "Carrying Amount Of Assets Securing Debt Outstanding Loans", "documentation": "Carrying Amount Of Assets Securing Debt Outstanding Loans" } } }, "auth_ref": [] }, "us-gaap_CarryingReportedAmountFairValueDisclosureMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CarryingReportedAmountFairValueDisclosureMember", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Carrying Value", "label": "Reported Value Measurement [Member]", "documentation": "Measured as reported on the statement of financial position (balance sheet)." } } }, "auth_ref": [ "r80", "r81" ] }, "us-gaap_CashAndCashEquivalentsAtCarryingValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CashAndCashEquivalentsAtCarryingValue", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "weight": 1.0, "order": 2.0 }, "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 10.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited", "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Cash and cash equivalents", "verboseLabel": "Cash and cash equivalents", "label": "Cash and Cash Equivalents, at Carrying Value", "documentation": "Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation." } } }, "auth_ref": [ "r27", "r205", "r824" ] }, "us-gaap_CashAndCashEquivalentsFairValueDisclosure": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CashAndCashEquivalentsFairValueDisclosure", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1": { "parentTag": "us-gaap_AssetsFairValueDisclosure", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Cash and cash equivalents", "label": "Cash and Cash Equivalents, Fair Value Disclosure", "documentation": "Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates." } } }, "auth_ref": [ "r1097", "r1098" ] }, "slm_CashAndInvestmentsInterestIncomeLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "CashAndInvestmentsInterestIncomeLoss", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_InterestAndDividendIncomeOperating", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Cash and cash equivalents", "label": "Cash And Investments Interest Income Loss", "documentation": "Cash and investments interest income (loss)." } } }, "auth_ref": [] }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "periodStartLabel": "Cash, cash equivalents and restricted cash at beginning of period", "periodEndLabel": "Cash, cash equivalents and restricted cash at end of period", "totalLabel": "Total cash, cash equivalents and restricted cash", "label": "Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents", "documentation": "Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates." } } }, "auth_ref": [ "r27", "r109", "r249" ] }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Reconciliation of the Consolidated Statements of Cash Flows to the Consolidated Balance Sheets:", "label": "Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents [Abstract]" } } }, "auth_ref": [] }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Net increase (decrease) in cash, cash equivalents and restricted cash", "label": "Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect", "documentation": "Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates." } } }, "auth_ref": [ "r0", "r109" ] }, "us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Estimated accumulated gain (loss) to be reclassified in next 12 months", "label": "Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months", "documentation": "The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months." } } }, "auth_ref": [ "r79" ] }, "us-gaap_CashFlowHedgingMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CashFlowHedgingMember", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedBalanceSheetDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNotionalValuesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Cash Flow Hedges", "verboseLabel": "Cash Flow", "label": "Cash Flow Hedging [Member]", "documentation": "Hedge of the exposure to variability in the cash flows of a recognized asset or liability, or of a forecasted transaction, that is attributable to a particular risk." } } }, "auth_ref": [ "r64" ] }, "slm_CashPaidForBrokeredDepositPlacementFee": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "CashPaidForBrokeredDepositPlacementFee", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0, "order": 6.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "negatedLabel": "Brokered deposit placement fee", "label": "Cash Paid For Brokered Deposit Placement Fee", "documentation": "Cash Paid For Brokered Deposit Placement Fee" } } }, "auth_ref": [] }, "us-gaap_CashUninsuredAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CashUninsuredAmount", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/DepositsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Deposits exceeding FDIC insurance limits", "label": "Cash, Uninsured Amount", "documentation": "The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation." } } }, "auth_ref": [] }, "us-gaap_CertificatesOfDepositMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CertificatesOfDepositMember", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Certificates of deposit", "label": "Certificates of Deposit [Member]", "documentation": "Short to medium-term investment available at banks and savings and loan institutions where a customer agrees to lend money to the institution for a certain amount of time and is paid a predetermined rate of interest. Certificates of deposit (CD) are typically Federal Deposit Insurance Corporation (FDIC) insured." } } }, "auth_ref": [ "r9", "r885", "r886", "r887", "r890" ] }, "slm_ChangeInOtherComprehensiveIncomeLossForUnrealizedGainsLossesOnDerivativesBeforeIncomeTaxExpenseBenefit": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "ChangeInOtherComprehensiveIncomeLossForUnrealizedGainsLossesOnDerivativesBeforeIncomeTaxExpenseBenefit", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementofChangesinStockholdersEquityDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementofChangesinStockholdersEquityDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total change in other comprehensive income (loss) for unrealized gains (losses) on derivatives, before income tax (expense) benefit", "label": "Change In Other Comprehensive Income (Loss) For Unrealized Gains (Losses) On Derivatives, Before Income Tax (Expense) Benefit", "documentation": "Change In Other Comprehensive Income (Loss) For Unrealized Gains (Losses) On Derivatives, Before Income Tax (Expense) Benefit" } } }, "auth_ref": [] }, "us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails": { "parentTag": "us-gaap_DerivativeGainLossOnDerivativeNet", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivatives recorded in interest expense", "label": "Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments", "documentation": "Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement." } } }, "auth_ref": [ "r128" ] }, "us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails": { "parentTag": "us-gaap_DerivativeGainLossOnDerivativeNet", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Hedged items recorded in interest expense", "label": "Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge", "documentation": "Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement." } } }, "auth_ref": [ "r128" ] }, "ecd_ChangedPeerGroupFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "ChangedPeerGroupFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Changed Peer Group, Footnote", "label": "Changed Peer Group, Footnote [Text Block]" } } }, "auth_ref": [ "r941" ] }, "slm_ChargeOffsAsPercentageOfAverageLoansInRepayment": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "ChargeOffsAsPercentageOfAverageLoansInRepayment", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Net charge-offs as a percentage of average loans in repayment (annualized)", "label": "Charge Offs As Percentage Of Average Loans In Repayment", "documentation": "Charge offs as percentage of average loans in repayment." } } }, "auth_ref": [] }, "ecd_ChngInFrValAsOfVstngDtOfPrrYrEqtyAwrdsVstdInCvrdYrMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "ChngInFrValAsOfVstngDtOfPrrYrEqtyAwrdsVstdInCvrdYrMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year", "label": "Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member]" } } }, "auth_ref": [ "r938" ] }, "ecd_ChngInFrValOfOutsdngAndUnvstdEqtyAwrdsGrntdInPrrYrsMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "ChngInFrValOfOutsdngAndUnvstdEqtyAwrdsGrntdInPrrYrsMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested", "label": "Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member]" } } }, "auth_ref": [ "r936" ] }, "dei_CityAreaCode": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "CityAreaCode", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "City Area Code", "label": "City Area Code", "documentation": "Area code of city" } } }, "auth_ref": [] }, "us-gaap_ClassOfStockDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ClassOfStockDomain", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited", "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnauditedParenthetical", "http://www.salliemae.com/role/Coverpage", "http://www.salliemae.com/role/StockholdersEquityNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Class of Stock [Domain]", "label": "Class of Stock [Domain]", "documentation": "Share of stock differentiated by the voting rights the holder receives. Examples include, but are not limited to, common stock, redeemable preferred stock, nonredeemable preferred stock, and convertible stock." } } }, "auth_ref": [ "r181", "r211", "r212", "r213", "r253", "r275", "r279", "r286", "r288", "r295", "r296", "r346", "r421", "r423", "r424", "r425", "r428", "r429", "r459", "r460", "r463", "r466", "r473", "r586", "r699", "r700", "r701", "r702", "r706", "r707", "r708", "r709", "r710", "r711", "r712", "r713", "r714", "r715", "r716", "r717", "r738", "r759", "r777", "r808", "r809", "r810", "r811", "r812", "r981", "r1010", "r1019" ] }, "us-gaap_ClassOfStockLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ClassOfStockLineItems", "presentation": [ "http://www.salliemae.com/role/StockholdersEquityNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Class of Stock [Line Items]", "label": "Class of Stock [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r211", "r212", "r213", "r295", "r459", "r460", "r461", "r463", "r466", "r471", "r473", "r699", "r700", "r701", "r702", "r852", "r981", "r1010" ] }, "ecd_CoSelectedMeasureAmt": { "xbrltype": "decimalItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "CoSelectedMeasureAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Company Selected Measure Amount", "label": "Company Selected Measure Amount" } } }, "auth_ref": [ "r942" ] }, "ecd_CoSelectedMeasureName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "CoSelectedMeasureName", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Company Selected Measure Name", "label": "Company Selected Measure Name" } } }, "auth_ref": [ "r942" ] }, "us-gaap_CollateralAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CollateralAxis", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Collateral [Axis]", "label": "Collateral Held [Axis]", "documentation": "Information by category of collateral or no collateral, from lender's perspective." } } }, "auth_ref": [ "r840" ] }, "us-gaap_CollateralDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CollateralDomain", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Collateral [Domain]", "label": "Collateral Held [Domain]", "documentation": "Category of collateral or no collateral, from lender's perspective." } } }, "auth_ref": [] }, "us-gaap_CommitmentsAndContingencies": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CommitmentsAndContingencies", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Commitments and contingencies", "label": "Commitments and Contingencies", "documentation": "Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur." } } }, "auth_ref": [ "r91", "r137", "r672", "r737" ] }, "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CommitmentsAndContingenciesDisclosureAbstract", "lang": { "en-us": { "role": { "terseLabel": "Commitments and Contingencies Disclosure [Abstract]", "label": "Commitments and Contingencies Disclosure [Abstract]" } } }, "auth_ref": [] }, "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CommitmentsAndContingenciesDisclosureTextBlock", "presentation": [ "http://www.salliemae.com/role/CommitmentsContingenciesandGuarantees" ], "lang": { "en-us": { "role": { "terseLabel": "Commitments, Contingencies and Guarantees", "label": "Commitments and Contingencies Disclosure [Text Block]", "documentation": "The entire disclosure for commitments and contingencies." } } }, "auth_ref": [ "r114", "r412", "r413", "r818", "r1071", "r1076" ] }, "slm_CommonEquityTierOneRiskBasedCapital": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "CommonEquityTierOneRiskBasedCapital", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalUSBaselIIIRegulatoryRequirementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Common Equity Tier 1 Capital (to Risk-Weighted Assets)", "label": "Common Equity Tier One Risk Based Capital", "documentation": "Common Equity Tier One Risk Based Capital" } } }, "auth_ref": [] }, "us-gaap_CommonStockDividendsPerShareCashPaid": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CommonStockDividendsPerShareCashPaid", "presentation": [ "http://www.salliemae.com/role/StockholdersEquityNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Common stock dividend (in dollars per share)", "label": "Common Stock, Dividends, Per Share, Cash Paid", "documentation": "Aggregate dividends paid during the period for each share of common stock outstanding." } } }, "auth_ref": [ "r120" ] }, "us-gaap_CommonStockDividendsPerShareDeclared": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CommonStockDividendsPerShareDeclared", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnauditedParenthetical", "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited", "http://www.salliemae.com/role/SubsequentEventsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Declared dividends per common share (in dollars per share)", "netLabel": "Common stock dividend (in dollars per share)", "label": "Common Stock, Dividends, Per Share, Declared", "documentation": "Aggregate dividends declared during the period for each share of common stock outstanding." } } }, "auth_ref": [ "r120" ] }, "us-gaap_CommonStockMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CommonStockMember", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited", "http://www.salliemae.com/role/StockholdersEquityNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Common Stock", "label": "Common Stock [Member]", "documentation": "Stock that is subordinate to all other stock of the issuer." } } }, "auth_ref": [ "r881", "r882", "r883", "r885", "r886", "r887", "r890", "r1015", "r1016", "r1018", "r1095", "r1134", "r1138" ] }, "us-gaap_CommonStockParOrStatedValuePerShare": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CommonStockParOrStatedValuePerShare", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnauditedParenthetical" ], "lang": { "en-us": { "role": { "verboseLabel": "Common stock, par value (in dollars per share)", "label": "Common Stock, Par or Stated Value Per Share", "documentation": "Face amount or stated value per share of common stock." } } }, "auth_ref": [ "r94" ] }, "slm_CommonStockParValue20PerShareMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "CommonStockParValue20PerShareMember", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Common stock, par value $.20 per share", "label": "Common stock, par value $.20 per share [Member]", "documentation": "Common stock, par value $.20 per share" } } }, "auth_ref": [] }, "us-gaap_CommonStockSharesAuthorized": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CommonStockSharesAuthorized", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnauditedParenthetical" ], "lang": { "en-us": { "role": { "verboseLabel": "Common stock, shares authorized (in shares)", "label": "Common Stock, Shares Authorized", "documentation": "The maximum number of common shares permitted to be issued by an entity's charter and bylaws." } } }, "auth_ref": [ "r94", "r738" ] }, "us-gaap_CommonStockSharesIssued": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CommonStockSharesIssued", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnauditedParenthetical" ], "lang": { "en-us": { "role": { "verboseLabel": "Common stock, shares issued (in shares)", "label": "Common Stock, Shares, Issued", "documentation": "Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury." } } }, "auth_ref": [ "r94" ] }, "us-gaap_CommonStockSharesOutstanding": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CommonStockSharesOutstanding", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited" ], "lang": { "en-us": { "role": { "periodStartLabel": "Beginning balance (in shares)", "periodEndLabel": "Ending balance (in shares)", "label": "Common Stock, Shares, Outstanding", "documentation": "Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation." } } }, "auth_ref": [ "r11", "r94", "r738", "r756", "r1138", "r1139" ] }, "us-gaap_CommonStockValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CommonStockValue", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "slm_StockholdersEquityAttributableToParentExcludingTreasuryStock", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Common stock, par value $0.20 per share, 1.125 billion shares authorized: 440.5\u00a0million and 438.2 million shares issued, respectively", "label": "Common Stock, Value, Issued", "documentation": "Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity." } } }, "auth_ref": [ "r94", "r673", "r876" ] }, "ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "CompActuallyPaidVsCoSelectedMeasureTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Compensation Actually Paid vs. Company Selected Measure", "label": "Compensation Actually Paid vs. Company Selected Measure [Text Block]" } } }, "auth_ref": [ "r947" ] }, "ecd_CompActuallyPaidVsNetIncomeTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "CompActuallyPaidVsNetIncomeTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Compensation Actually Paid vs. Net Income", "label": "Compensation Actually Paid vs. Net Income [Text Block]" } } }, "auth_ref": [ "r946" ] }, "ecd_CompActuallyPaidVsOtherMeasureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "CompActuallyPaidVsOtherMeasureTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Compensation Actually Paid vs. Other Measure", "label": "Compensation Actually Paid vs. Other Measure [Text Block]" } } }, "auth_ref": [ "r948" ] }, "ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "CompActuallyPaidVsTotalShareholderRtnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Compensation Actually Paid vs. Total Shareholder Return", "label": "Compensation Actually Paid vs. Total Shareholder Return [Text Block]" } } }, "auth_ref": [ "r945" ] }, "us-gaap_ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsLineItems", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalAdjustedTransitionAmountsDetails", "http://www.salliemae.com/role/RegulatoryCapitalNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]", "label": "Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r1127", "r1128" ] }, "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUnaudited": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited", "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Total comprehensive income (loss)", "label": "Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest", "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners." } } }, "auth_ref": [ "r58", "r122", "r231", "r233", "r238", "r651", "r684" ] }, "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Other comprehensive income (loss):", "label": "Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]" } } }, "auth_ref": [] }, "srt_ConsolidatedEntitiesAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2024", "localname": "ConsolidatedEntitiesAxis", "presentation": [ "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails", "http://www.salliemae.com/role/BorrowingsSummaryofExposureRelatedToUnconsolidatedVIEsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Consolidated Entities [Axis]", "label": "Consolidated Entities [Axis]", "documentation": "Information by consolidated entity or group of entities." } } }, "auth_ref": [ "r192", "r198", "r254", "r530", "r531", "r535", "r536", "r604", "r819", "r994", "r995", "r996", "r1079", "r1082", "r1083" ] }, "srt_ConsolidatedEntitiesDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2024", "localname": "ConsolidatedEntitiesDomain", "presentation": [ "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails", "http://www.salliemae.com/role/BorrowingsSummaryofExposureRelatedToUnconsolidatedVIEsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Consolidated Entities [Domain]", "label": "Consolidated Entities [Domain]", "documentation": "Entity or group of entities consolidated into reporting entity." } } }, "auth_ref": [ "r192", "r198", "r254", "r530", "r531", "r535", "r536", "r604", "r819", "r994", "r995", "r996", "r1079", "r1082", "r1083" ] }, "us-gaap_ConsolidationPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ConsolidationPolicyTextBlock", "presentation": [ "http://www.salliemae.com/role/SignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Consolidation", "label": "Consolidation, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary." } } }, "auth_ref": [ "r51", "r829" ] }, "us-gaap_ConsumerPortfolioSegmentMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ConsumerPortfolioSegmentMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Consumer Portfolio Segment", "label": "Consumer Portfolio Segment [Member]", "documentation": "Portfolio segment of the company's total financing receivables related to consumer receivables." } } }, "auth_ref": [] }, "us-gaap_ContinuingInvolvementWithTransferredFinancialAssetsPrincipalAmountOutstanding": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ContinuingInvolvementWithTransferredFinancialAssetsPrincipalAmountOutstanding", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loans sold to third parties", "label": "Continuing Involvement with Transferred Financial Assets, Principal Amount Outstanding", "documentation": "Principal amount of transferred financial assets in which the transferor has continuing involvement with the assets underlying the transaction. Continuing involvement includes, but is not limited to, servicing, recourse, and restrictions on transferor's interests in transferred financial assets." } } }, "auth_ref": [ "r617" ] }, "us-gaap_ContractualObligation": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ContractualObligation", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/CommitmentsContingenciesandGuaranteesDetails", "http://www.salliemae.com/role/UnfundedLoanCommitmentsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Contractual obligation", "label": "Contractual Obligation", "documentation": "Amount of contractual obligation, including, but not limited to, long-term debt, lease obligation, purchase obligation, and other commitments." } } }, "auth_ref": [ "r1014" ] }, "slm_CosignerMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "CosignerMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "With and without cosigners", "label": "Cosigner [Member]", "documentation": "Cosigner credit quality indicators that are developed and used internally by the company." } } }, "auth_ref": [] }, "dei_CoverAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "CoverAbstract", "lang": { "en-us": { "role": { "terseLabel": "Cover page.", "label": "Cover [Abstract]", "documentation": "Cover page." } } }, "auth_ref": [] }, "slm_CreditCardsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "CreditCardsMember", "presentation": [ "http://www.salliemae.com/role/LoansHeldforSaleDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Credit Cards", "label": "Credit Cards [Member]", "documentation": "Credit Cards" } } }, "auth_ref": [] }, "us-gaap_CreditFacilityAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CreditFacilityAxis", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Credit Facility [Axis]", "label": "Credit Facility [Axis]", "documentation": "Information by type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing." } } }, "auth_ref": [ "r420", "r1077" ] }, "us-gaap_CreditFacilityDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CreditFacilityDomain", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Credit Facility [Domain]", "label": "Credit Facility [Domain]", "documentation": "Type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing." } } }, "auth_ref": [ "r420", "r1077", "r1078" ] }, "us-gaap_CreditLossAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CreditLossAbstract", "lang": { "en-us": { "role": { "label": "Credit Loss [Abstract]" } } }, "auth_ref": [] }, "us-gaap_CreditLossFinancialInstrumentPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CreditLossFinancialInstrumentPolicyTextBlock", "presentation": [ "http://www.salliemae.com/role/SignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Allowance for Credit Losses", "label": "Credit Loss, Financial Instrument [Policy Text Block]", "documentation": "Disclosure of accounting policy for credit loss on financial instrument measured at amortized cost basis, net investment in lease, off-balance sheet credit exposure, and available-for-sale debt security. Includes, but is not limited to, methodology used to estimate allowance for credit loss, how writeoff of uncollectible amount is recognized, and determination of past due status and nonaccrual status." } } }, "auth_ref": [ "r349", "r350", "r351", "r353", "r354", "r359", "r361", "r363", "r365", "r366", "r371", "r372", "r373", "r374", "r376", "r377", "r378", "r384" ] }, "us-gaap_CreditLossFinancialInstrumentTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CreditLossFinancialInstrumentTextBlock", "presentation": [ "http://www.salliemae.com/role/UnfundedLoanCommitments" ], "lang": { "en-us": { "role": { "terseLabel": "Unfunded Loan Commitments", "label": "Credit Loss, Financial Instrument [Text Block]", "documentation": "The entire disclosure for credit loss on financial instrument measured at amortized cost basis, net investment in lease, off-balance sheet credit exposure, and available-for-sale debt security." } } }, "auth_ref": [ "r309", "r311", "r354", "r362", "r363", "r367", "r370", "r379", "r384" ] }, "slm_CreditQualityIndicatorsAxis": { "xbrltype": "stringItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "CreditQualityIndicatorsAxis", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Credit Quality Indicators [Axis]", "label": "Credit Quality Indicators [Axis]", "documentation": "Credit Quality Indicators [Axis]" } } }, "auth_ref": [] }, "slm_CreditQualityIndicatorsDomain": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "CreditQualityIndicatorsDomain", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Credit Quality Indicators [Domain]", "label": "Credit Quality Indicators [Domain]", "documentation": "Credit Quality Indicators [Domain]" } } }, "auth_ref": [] }, "us-gaap_CreditScoreFicoAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CreditScoreFicoAxis", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Credit Score, FICO [Axis]", "label": "Credit Score, FICO [Axis]", "documentation": "Information by credit scores as defined by Fair Isaac Corporation (FICO), for example, but not limited to, greater than 740." } } }, "auth_ref": [ "r841", "r1051" ] }, "us-gaap_CreditScoreFicoDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CreditScoreFicoDomain", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Credit Score, FICO [Domain]", "label": "Credit Score, FICO [Domain]", "documentation": "Credit rating as defined by Fair Isaac Corporation (FICO), for example, but not limited to, greater than 740. Element name and standard label in FICO Score [numeric lower end] to [numeric higher end] [Member] format for ranges. Element name and standard label in FICO Score Greater Than [low end numeric value] [Member] or FICO Score Less Than [high end numeric value] [Member] formats for greater than or less than disclosures." } } }, "auth_ref": [] }, "slm_CriteriaForLoansToBeConsideredAsNonperforming": { "xbrltype": "durationItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "CriteriaForLoansToBeConsideredAsNonperforming", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Criteria for loans to be considered as nonperforming (greater than)", "label": "Criteria For Loans To Be Considered As Nonperforming", "documentation": "Criteria for loans to be considered as nonperforming." } } }, "auth_ref": [] }, "slm_CumulativeEffectPeriodOfAdoptionAdjustedPhaseInAmountsRemainingMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "CumulativeEffectPeriodOfAdoptionAdjustedPhaseInAmountsRemainingMember", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalAdjustedTransitionAmountsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Adjusted Phase-In Amounts Remaining", "label": "Cumulative Effect, Period Of Adoption, Adjusted Phase-In Amounts Remaining [Member]", "documentation": "Cumulative Effect, Period Of Adoption, Adjusted Phase-In Amounts Remaining" } } }, "auth_ref": [] }, "srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2024", "localname": "CumulativeEffectPeriodOfAdoptionAdjustmentMember", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalAdjustedTransitionAmountsDetails", "http://www.salliemae.com/role/RegulatoryCapitalNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Adjustments", "label": "Cumulative Effect, Period of Adoption, Adjustment [Member]", "documentation": "Increase (decrease) to financial statements for cumulative-effect adjustment in period of adoption of amendment to accounting standards." } } }, "auth_ref": [ "r199", "r202", "r258", "r263", "r270", "r347", "r348", "r403", "r514", "r515", "r521", "r523", "r545", "r546", "r547", "r549", "r550", "r551", "r554", "r555", "r556", "r557", "r602" ] }, "srt_CumulativeEffectPeriodOfAdoptionAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2024", "localname": "CumulativeEffectPeriodOfAdoptionAxis", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalAdjustedTransitionAmountsDetails", "http://www.salliemae.com/role/RegulatoryCapitalNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Cumulative Effect, Period Of Adoption [Axis]", "label": "Cumulative Effect, Period of Adoption [Axis]", "documentation": "Information by cumulative-effect adjustment to financial statements in period of adoption of amendment to accounting standards." } } }, "auth_ref": [ "r199", "r202", "r258", "r263", "r270", "r347", "r348", "r403", "r514", "r515", "r521", "r523", "r545", "r546", "r547", "r549", "r550", "r551", "r554", "r555", "r556", "r557", "r602" ] }, "srt_CumulativeEffectPeriodOfAdoptionDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2024", "localname": "CumulativeEffectPeriodOfAdoptionDomain", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalAdjustedTransitionAmountsDetails", "http://www.salliemae.com/role/RegulatoryCapitalNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Cumulative Effect, Period Of Adoption [Domain]", "label": "Cumulative Effect, Period of Adoption [Domain]", "documentation": "Cumulative-effect adjustment to financial statements in period of adoption of amendment to accounting standards." } } }, "auth_ref": [ "r199", "r202", "r258", "r263", "r270", "r347", "r348", "r403", "r514", "r515", "r521", "r523", "r545", "r546", "r547", "r549", "r550", "r551", "r554", "r555", "r556", "r557", "r602" ] }, "dei_CurrentFiscalYearEndDate": { "xbrltype": "gMonthDayItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "CurrentFiscalYearEndDate", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Current Fiscal Year End Date", "label": "Current Fiscal Year End Date", "documentation": "End date of current fiscal year in the format --MM-DD." } } }, "auth_ref": [] }, "us-gaap_CustomerRelationshipsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "CustomerRelationshipsMember", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Customer relationships", "label": "Customer Relationships [Member]", "documentation": "Customer relationship that exists between an entity and its customer, for example, but not limited to, tenant relationships." } } }, "auth_ref": [ "r48", "r1059", "r1060", "r1061", "r1062", "r1064", "r1066", "r1068", "r1069" ] }, "us-gaap_DebtDisclosureAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtDisclosureAbstract", "lang": { "en-us": { "role": { "terseLabel": "Debt Disclosure [Abstract]", "label": "Debt Disclosure [Abstract]" } } }, "auth_ref": [] }, "us-gaap_DebtDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtDisclosureTextBlock", "presentation": [ "http://www.salliemae.com/role/Borrowings" ], "lang": { "en-us": { "role": { "terseLabel": "Borrowings", "label": "Debt Disclosure [Text Block]", "documentation": "The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants." } } }, "auth_ref": [ "r115", "r251", "r405", "r406", "r407", "r408", "r409", "r419", "r420", "r430", "r436", "r437", "r438", "r439", "r440", "r441", "r446", "r453", "r454", "r456", "r596" ] }, "us-gaap_DebtInstrumentAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtInstrumentAxis", "presentation": [ "http://www.salliemae.com/role/BorrowingsCompanyBorrowingsDetails", "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails", "http://www.salliemae.com/role/BorrowingsNarrativeDetails", "http://www.salliemae.com/role/BorrowingsSecuredFinancingDetails", "http://www.salliemae.com/role/BorrowingsSummaryofExposureRelatedToUnconsolidatedVIEsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Debt Instrument [Axis]", "label": "Debt Instrument [Axis]", "documentation": "Information by type of debt instrument, including, but not limited to, draws against credit facilities." } } }, "auth_ref": [ "r19", "r85", "r86", "r134", "r136", "r254", "r431", "r432", "r433", "r434", "r435", "r437", "r442", "r443", "r444", "r445", "r447", "r448", "r449", "r450", "r451", "r452", "r847", "r848", "r849", "r850", "r851", "r875", "r1011", "r1072", "r1073", "r1074", "r1116", "r1117" ] }, "us-gaap_DebtInstrumentBasisSpreadOnVariableRate1": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtInstrumentBasisSpreadOnVariableRate1", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Basis spread on variable rate", "label": "Debt Instrument, Basis Spread on Variable Rate", "documentation": "Percentage points added to the reference rate to compute the variable rate on the debt instrument." } } }, "auth_ref": [] }, "us-gaap_DebtInstrumentFaceAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtInstrumentFaceAmount", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/BorrowingsSecuredFinancingDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Issued", "label": "Debt Instrument, Face Amount", "documentation": "Face (par) amount of debt instrument at time of issuance." } } }, "auth_ref": [ "r431", "r596", "r597", "r848", "r849", "r875" ] }, "us-gaap_DebtInstrumentLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtInstrumentLineItems", "presentation": [ "http://www.salliemae.com/role/BorrowingsCompanyBorrowingsDetails", "http://www.salliemae.com/role/BorrowingsSummaryofExposureRelatedToUnconsolidatedVIEsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Debt Instrument [Line Items]", "label": "Debt Instrument [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r254", "r431", "r432", "r433", "r434", "r435", "r437", "r442", "r443", "r444", "r445", "r447", "r448", "r449", "r450", "r451", "r452", "r455", "r847", "r848", "r849", "r850", "r851", "r875", "r1011", "r1116", "r1117" ] }, "us-gaap_DebtInstrumentNameDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtInstrumentNameDomain", "presentation": [ "http://www.salliemae.com/role/BorrowingsCompanyBorrowingsDetails", "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails", "http://www.salliemae.com/role/BorrowingsNarrativeDetails", "http://www.salliemae.com/role/BorrowingsSecuredFinancingDetails", "http://www.salliemae.com/role/BorrowingsSummaryofExposureRelatedToUnconsolidatedVIEsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Debt Instrument, Name [Domain]", "label": "Debt Instrument, Name [Domain]", "documentation": "The name for the particular debt instrument or borrowing that distinguishes it from other debt instruments or borrowings, including draws against credit facilities." } } }, "auth_ref": [ "r19", "r254", "r431", "r432", "r433", "r434", "r435", "r437", "r442", "r443", "r444", "r445", "r447", "r448", "r449", "r450", "r451", "r452", "r847", "r848", "r849", "r850", "r851", "r875", "r1011", "r1072", "r1073", "r1074", "r1116", "r1117" ] }, "us-gaap_DebtInstrumentTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtInstrumentTable", "presentation": [ "http://www.salliemae.com/role/BorrowingsCompanyBorrowingsDetails", "http://www.salliemae.com/role/BorrowingsSummaryofExposureRelatedToUnconsolidatedVIEsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Long-term Debt Instruments [Table]", "label": "Schedule of Long-Term Debt Instruments [Table]", "documentation": "Disclosure of information about long-term debt instrument or arrangement." } } }, "auth_ref": [ "r19", "r35", "r38", "r82", "r118", "r119", "r254", "r431", "r432", "r433", "r434", "r435", "r437", "r442", "r443", "r444", "r445", "r447", "r448", "r449", "r450", "r451", "r452", "r455", "r847", "r848", "r849", "r850", "r851", "r875", "r1011", "r1116", "r1117" ] }, "slm_DebtInstrumentWeightedAverageLife": { "xbrltype": "durationItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "DebtInstrumentWeightedAverageLife", "presentation": [ "http://www.salliemae.com/role/BorrowingsSecuredFinancingDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted Average Life (in years)", "label": "Debt Instrument, Weighted Average Life", "documentation": "Debt Instrument, Weighted Average Life" } } }, "auth_ref": [] }, "us-gaap_DebtLongtermAndShorttermCombinedAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtLongtermAndShorttermCombinedAmount", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/BorrowingsCompanyBorrowingsDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/BorrowingsCompanyBorrowingsDetails", "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total", "label": "Debt, Long-Term and Short-Term, Combined Amount", "documentation": "Represents the aggregate of total long-term debt, including current maturities and short-term debt." } } }, "auth_ref": [] }, "us-gaap_DebtLongtermAndShorttermCombinedAmountAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtLongtermAndShorttermCombinedAmountAbstract", "presentation": [ "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Debt Outstanding", "label": "Debt, Long-Term and Short-Term, Combined Amount [Abstract]" } } }, "auth_ref": [] }, "us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtSecuritiesAvailableForSaleAllowanceForCreditLoss", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/InvestmentsAmortizedCostandFairValueofSecuritiesAvailableforSaleDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Allowance for credit losses", "label": "Debt Securities, Available-for-Sale, Allowance for Credit Loss", "documentation": "Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r318", "r375", "r386", "r387" ] }, "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails": { "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Estimated Fair Value", "label": "Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer", "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset." } } }, "auth_ref": [ "r173", "r383", "r844" ] }, "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails": { "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Gross Unrealized Losses", "label": "Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss", "documentation": "Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset." } } }, "auth_ref": [ "r173", "r383" ] }, "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails": { "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Estimated Fair Value", "label": "Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months", "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset." } } }, "auth_ref": [ "r173", "r383", "r844" ] }, "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails": { "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Gross Unrealized Losses", "label": "Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss", "documentation": "Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset." } } }, "auth_ref": [ "r173", "r383" ] }, "us-gaap_DebtSecuritiesAvailableForSaleMeasurementInput": { "xbrltype": "decimalItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtSecuritiesAvailableForSaleMeasurementInput", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Debt Securities", "label": "Debt Securities, Available-for-Sale, Measurement Input", "documentation": "Value of input used to measure investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r562", "r563", "r564", "r868" ] }, "slm_DebtSecuritiesAvailableForSaleNumberOfPositions": { "xbrltype": "integerItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "DebtSecuritiesAvailableForSaleNumberOfPositions", "presentation": [ "http://www.salliemae.com/role/InvestmentsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Number of mortgage-backed securities", "label": "Debt Securities, Available-For-Sale, Number Of Positions", "documentation": "Debt Securities, Available-For-Sale, Number Of Positions" } } }, "auth_ref": [] }, "us-gaap_DebtSecuritiesAvailableForSaleRealizedGain": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtSecuritiesAvailableForSaleRealizedGain", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Gain on sale", "label": "Debt Securities, Available-for-Sale, Realized Gain", "documentation": "Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r345" ] }, "us-gaap_DebtSecuritiesAvailableForSaleTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtSecuritiesAvailableForSaleTable", "presentation": [ "http://www.salliemae.com/role/InvestmentsAmortizedCostandFairValueofSecuritiesAvailableforSaleDetails", "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails", "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Debt Securities, Available-for-sale [Table]", "label": "Debt Securities, Available-for-Sale [Table]", "documentation": "Disclosure of information about investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r315", "r316", "r317", "r318", "r319", "r320", "r321", "r322", "r323", "r324", "r325", "r326" ] }, "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedGainLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtSecuritiesAvailableForSaleUnrealizedGainLoss", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Unrealized gain (loss)", "label": "Debt Securities, Available-for-Sale, Unrealized Gain (Loss)", "documentation": "Amount of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r1036", "r1037" ] }, "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPosition", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Estimated Fair Value", "label": "Debt Securities, Available-for-Sale, Unrealized Loss Position", "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss." } } }, "auth_ref": [ "r170", "r380", "r844" ] }, "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails" ], "lang": { "en-us": { "role": { "negatedTotalLabel": "Gross Unrealized Losses", "label": "Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss", "documentation": "Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset." } } }, "auth_ref": [ "r171", "r381" ] }, "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock", "presentation": [ "http://www.salliemae.com/role/InvestmentsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Available-for-Sale Securities, Continuous Unrealized Loss Position, Fair Value", "label": "Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block]", "documentation": "Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset." } } }, "auth_ref": [ "r169", "r844", "r1052" ] }, "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions": { "xbrltype": "integerItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions", "presentation": [ "http://www.salliemae.com/role/InvestmentsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Number of government sponsored securities with unrealized losses", "label": "Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions", "documentation": "Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset." } } }, "auth_ref": [ "r172", "r382" ] }, "us-gaap_DebtSecuritiesMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtSecuritiesMember", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValueMeasurementInputsandValuationTechniquesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Available For Sale - Debt Securities", "label": "Debt Securities [Member]", "documentation": "Debt instrument issued by corporations, governments and governmental agencies, municipalities, and other institutions." } } }, "auth_ref": [ "r30", "r883", "r1141" ] }, "us-gaap_DebtSecuritiesTradingMeasurementInput": { "xbrltype": "decimalItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DebtSecuritiesTradingMeasurementInput", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Residual Interests", "label": "Debt Securities, Trading, Measurement Input", "documentation": "Value of input used to measure investment in debt security measured at fair value with change in fair value recognized in net income (trading)." } } }, "auth_ref": [ "r562", "r563", "r564" ] }, "us-gaap_DeferredIncomeTaxExpenseBenefit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DeferredIncomeTaxExpenseBenefit", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Income tax expense", "label": "Deferred Income Tax Expense (Benefit)", "documentation": "Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations." } } }, "auth_ref": [ "r5", "r179", "r1013" ] }, "us-gaap_DeferredTaxAssetsLiabilitiesNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DeferredTaxAssetsLiabilitiesNet", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalAdjustedTransitionAmountsDetails", "http://www.salliemae.com/role/RegulatoryCapitalNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Deferred tax asset", "label": "Deferred Tax Assets, Net", "documentation": "Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting." } } }, "auth_ref": [ "r1089" ] }, "slm_DelinquenciesAsPercentageOfLoansInRepayment": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "DelinquenciesAsPercentageOfLoansInRepayment", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Delinquent Private Education Loans in repayment as a percentage of Private Education Loans in repayment", "label": "Delinquencies As Percentage Of Loans In Repayment", "documentation": "Delinquencies as a percentage of loans in repayment." } } }, "auth_ref": [] }, "slm_DelinquenciesAsPercentageOfLoansInRepaymentOriginatedFiveYearsBeforeCurrentFiscalYear": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "DelinquenciesAsPercentageOfLoansInRepaymentOriginatedFiveYearsBeforeCurrentFiscalYear", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Delinquent Private Education Loans in repayment as a percentage of Private Education Loans in repayment, After Year 5", "label": "Delinquencies As Percentage Of Loans In Repayment, Originated Five Years Before Current Fiscal Year", "documentation": "Delinquencies As Percentage Of Loans In Repayment, Originated Five Or More Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_DelinquenciesAsPercentageOfLoansInRepaymentOriginatedFourYearsBeforeCurrentFiscalYear": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "DelinquenciesAsPercentageOfLoansInRepaymentOriginatedFourYearsBeforeCurrentFiscalYear", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Delinquent Private Education Loans in repayment as a percentage of Private Education Loans in repayment, Year 5", "label": "Delinquencies As Percentage Of Loans In Repayment, Originated Four Years Before Current Fiscal Year", "documentation": "Delinquencies As Percentage Of Loans In Repayment, Originated Four Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_DelinquenciesAsPercentageOfLoansInRepaymentOriginatedInCurrentFiscalYear": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "DelinquenciesAsPercentageOfLoansInRepaymentOriginatedInCurrentFiscalYear", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Delinquent Private Education Loans in repayment as a percentage of Private Education Loans in repayment, Year 1", "label": "Delinquencies As Percentage Of Loans In Repayment, Originated In Current Fiscal Year", "documentation": "Delinquencies As Percentage Of Loans In Repayment, Originated In Current Fiscal Year" } } }, "auth_ref": [] }, "slm_DelinquenciesAsPercentageOfLoansInRepaymentOriginatedInFiscalYearBeforeLatestFiscalYear": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "DelinquenciesAsPercentageOfLoansInRepaymentOriginatedInFiscalYearBeforeLatestFiscalYear", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Delinquent Private Education Loans in repayment as a percentage of Private Education Loans in repayment, Year 2", "label": "Delinquencies As Percentage Of Loans In Repayment, Originated In Fiscal Year Before Latest Fiscal Year", "documentation": "Delinquencies As Percentage Of Loans In Repayment, Originated In Fiscal Year Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_DelinquenciesAsPercentageOfLoansInRepaymentOriginatedThreeYearsBeforeCurrentFiscalYear": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "DelinquenciesAsPercentageOfLoansInRepaymentOriginatedThreeYearsBeforeCurrentFiscalYear", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Delinquent Private Education Loans in repayment as a percentage of Private Education Loans in repayment, Year 4", "label": "Delinquencies As Percentage Of Loans In Repayment, Originated Three Years Before Current Fiscal Year", "documentation": "Delinquencies As Percentage Of Loans In Repayment, Originated Three Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_DelinquenciesAsPercentageOfLoansInRepaymentOriginatedTwoYearsBeforeCurrentFiscalYear": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "DelinquenciesAsPercentageOfLoansInRepaymentOriginatedTwoYearsBeforeCurrentFiscalYear", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Delinquent Private Education Loans in repayment as a percentage of Private Education Loans in repayment, Year 3", "label": "Delinquencies As Percentage Of Loans In Repayment, Originated Two Years Before Current Fiscal Year", "documentation": "Delinquencies As Percentage Of Loans In Repayment, Originated Two Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_DenominatorAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "DenominatorAbstract", "presentation": [ "http://www.salliemae.com/role/EarningsLossperCommonShareDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Denominator:", "label": "Denominator [Abstract]", "documentation": "Denominator [Abstract]" } } }, "auth_ref": [] }, "us-gaap_DepositLiabilitiesDisclosuresTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DepositLiabilitiesDisclosuresTextBlock", "presentation": [ "http://www.salliemae.com/role/Deposits" ], "lang": { "en-us": { "role": { "terseLabel": "Deposits", "label": "Deposit Liabilities Disclosures [Text Block]", "documentation": "The entire disclosure for deposit liabilities including data and tables. It may include a description of the entity's deposit liabilities, the aggregate amount of time deposits (including certificates of deposit) in denominations of $100,000 or more at the balance sheet date; the aggregate amount of any demand deposits that have been reclassified as loan balances, such as overdrafts, at the balance sheet date; deposits that are received on terms other than those in the normal course of business, the amount of accrued interest on deposit liabilities; securities, mortgage loans or other financial instruments that serve as collateral for deposits; for time deposits having a remaining term of more than one year, the aggregate amount of maturities for each of the five years following the balance sheet date; and the weighted average interest rate for all deposit liabilities held by the entity." } } }, "auth_ref": [ "r9", "r133", "r190", "r191" ] }, "us-gaap_Deposits": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "Deposits", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_Liabilities", "weight": 1.0, "order": 1.0 }, "http://www.salliemae.com/role/DepositsSummaryofTotalDepositsDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited", "http://www.salliemae.com/role/DepositsNarrativeDetails", "http://www.salliemae.com/role/DepositsSummaryofTotalDepositsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Deposits", "totalLabel": "Total deposits", "label": "Deposits", "documentation": "The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others." } } }, "auth_ref": [ "r133" ] }, "us-gaap_DepositsFairValueDisclosure": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DepositsFairValueDisclosure", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1": { "parentTag": "us-gaap_FinancialLiabilitiesFairValueDisclosure", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Deposits", "label": "Deposits, Fair Value Disclosure", "documentation": "Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits." } } }, "auth_ref": [ "r1097", "r1098", "r1108" ] }, "slm_DepositsFairValueDisclosureDifferenceBetweenCarryingValueAndFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "DepositsFairValueDisclosureDifferenceBetweenCarryingValueAndFairValue", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1": { "parentTag": "slm_FinancialLiabilitiesFairValueDisclosureDifferenceBetweenCarryingValueandFairValue", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Deposits, difference", "label": "Deposits, Fair Value Disclosure, Difference Between Carrying Value And Fair Value", "documentation": "Deposits, Fair Value Disclosure, Difference Between Carrying Value And Fair Value" } } }, "auth_ref": [] }, "us-gaap_DepositsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DepositsMember", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsScheduleofHedgedItemsRecordedinStatementofFinancialPositionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Deposits", "label": "Deposits [Member]", "documentation": "Amounts held on account by the entity representing a liability to the depositor. Deposits may take various forms (for example, demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits) and may be categorized in multiple ways (such as, foreign and domestic, interest and noninterest bearing)." } } }, "auth_ref": [ "r154" ] }, "us-gaap_Depreciation": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "Depreciation", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 8.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Depreciation of premises and equipment", "label": "Depreciation", "documentation": "The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation." } } }, "auth_ref": [ "r5", "r31" ] }, "us-gaap_DerivativeAssetCollateralObligationToReturnCashOffset": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeAssetCollateralObligationToReturnCashOffset", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Cash collateral pledged", "label": "Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset", "documentation": "Amount of obligation to return cash collateral under master netting arrangements offset against derivative assets." } } }, "auth_ref": [ "r6", "r13" ] }, "us-gaap_DerivativeAssetFairValueGrossLiability": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeAssetFairValueGrossLiability", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails": { "parentTag": "us-gaap_DerivativeAssets", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Impact of master netting agreement", "label": "Derivative Asset, Subject to Master Netting Arrangement, Liability Offset", "documentation": "Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset." } } }, "auth_ref": [ "r13", "r18", "r124", "r125", "r797", "r798" ] }, "us-gaap_DerivativeAssetStatementOfFinancialPositionExtensibleEnumeration": { "xbrltype": "enumerationSetItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeAssetStatementOfFinancialPositionExtensibleEnumeration", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative Asset, Statement of Financial Position [Extensible Enumeration]", "label": "Derivative Asset, Statement of Financial Position [Extensible Enumeration]", "documentation": "Indicates line item in statement of financial position that includes derivative asset." } } }, "auth_ref": [ "r537" ] }, "slm_DerivativeAssetSubjectToMasterNettingArrangementCollateralObligationToReturnCashNotOffset": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "DerivativeAssetSubjectToMasterNettingArrangementCollateralObligationToReturnCashNotOffset", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails": { "parentTag": "us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Cash collateral pledged", "label": "Derivative Asset, Subject To Master Netting Arrangement, Collateral, Obligation To Return Cash Not Offset", "documentation": "Derivative Asset, Subject To Master Netting Arrangement, Collateral, Obligation To Return Cash Not Offset" } } }, "auth_ref": [] }, "us-gaap_DerivativeAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeAssets", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedBalanceSheetDetails": { "parentTag": "us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet", "weight": 1.0, "order": 1.0 }, "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails": { "parentTag": "us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral", "weight": 1.0, "order": 2.0 }, "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails": { "parentTag": "us-gaap_AssetsFairValueDisclosure", "weight": 1.0, "order": 3.0 }, "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1": { "parentTag": "us-gaap_AssetsFairValueDisclosure", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedBalanceSheetDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails", "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1", "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Derivative assets", "totalLabel": "Derivative values with impact of master netting agreements (as carried on balance sheet)", "terseLabel": "Derivative instruments", "label": "Derivative Asset", "documentation": "Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset." } } }, "auth_ref": [ "r217", "r220", "r560", "r561", "r574", "r585", "r718", "r719", "r720", "r722", "r723", "r724", "r725", "r726", "r728", "r729", "r744", "r745", "r791", "r794", "r796", "r797", "r799", "r800", "r827", "r864", "r868", "r883", "r1099", "r1100", "r1101", "r1135" ] }, "us-gaap_DerivativeAssetsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeAssetsAbstract", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other Assets", "label": "Derivative Asset [Abstract]" } } }, "auth_ref": [] }, "us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeAssetsLiabilitiesAtFairValueNet", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedBalanceSheetDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedBalanceSheetDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total net derivatives", "label": "Derivative Assets (Liabilities), at Fair Value, Net", "documentation": "Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments." } } }, "auth_ref": [ "r6", "r1099", "r1100", "r1101" ] }, "us-gaap_DerivativeBasisSpreadOnVariableRate": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeBasisSpreadOnVariableRate", "presentation": [ "http://www.salliemae.com/role/BorrowingsSecuredFinancingDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted Average Cost of Funds (as a percent)", "label": "Derivative, Basis Spread on Variable Rate", "documentation": "The percentage points added to the reference rate to compute the variable rate on the interest rate derivative." } } }, "auth_ref": [] }, "slm_DerivativeCashCollateralHeldRelativeToDerivativeExposureNet": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "DerivativeCashCollateralHeldRelativeToDerivativeExposureNet", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Cash collateral held relative to derivative exposure", "label": "Derivative, Cash Collateral Held Relative To Derivative Exposure, Net", "documentation": "Derivative, Cash Collateral Held Relative To Derivative Exposure, Net" } } }, "auth_ref": [] }, "us-gaap_DerivativeCollateralRightToReclaimCash": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeCollateralRightToReclaimCash", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails": { "parentTag": "us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Cash collateral pledged", "label": "Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset", "documentation": "Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities." } } }, "auth_ref": [ "r16", "r76", "r218", "r826" ] }, "us-gaap_DerivativeContractTypeDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeContractTypeDomain", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedBalanceSheetDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNarrativeDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNotionalValuesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative Contract [Domain]", "label": "Derivative Contract [Domain]", "documentation": "Financial instrument or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset." } } }, "auth_ref": [ "r726", "r729", "r743", "r744", "r745", "r746", "r747", "r748", "r749", "r751", "r752", "r753", "r754", "r765", "r766", "r767", "r768", "r771", "r772", "r773", "r774", "r791", "r792", "r796", "r799", "r881", "r883", "r1102", "r1103", "r1104", "r1105", "r1106", "r1107", "r1109", "r1110" ] }, "us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeFairValueAmountOffsetAgainstCollateralNet", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative, fair value, amount offset against collateral, net", "label": "Derivative, Fair Value, Amount Offset Against Collateral, Net", "documentation": "The net amount as of the balance sheet date of the fair value of derivative assets and derivative liabilities that in accordance with the entity's accounting policy were offset against collateral under a master netting arrangement." } } }, "auth_ref": [ "r75" ] }, "us-gaap_DerivativeFairValueOfDerivativeAsset": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeFairValueOfDerivativeAsset", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails": { "parentTag": "us-gaap_DerivativeAssets", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Gross position", "label": "Derivative Asset, Subject to Master Netting Arrangement, before Offset", "documentation": "Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement." } } }, "auth_ref": [ "r14", "r103", "r124", "r125", "r216", "r827" ] }, "us-gaap_DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Net position", "label": "Derivative Asset, Including Not Subject to Master Netting Arrangement, after Offset and Deduction", "documentation": "Fair value, after effect of master netting arrangement and deduction of obligation to return financial collateral not offset and financial instrument subject to master netting arrangement not offset, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and contract can be net settled by means outside contract or delivery of asset. Includes derivative not subject to master netting arrangement or similar agreement." } } }, "auth_ref": [ "r16", "r75" ] }, "us-gaap_DerivativeFairValueOfDerivativeLiability": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeFairValueOfDerivativeLiability", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails": { "parentTag": "us-gaap_DerivativeLiabilities", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "negatedLabel": "Gross position", "label": "Derivative Liability, Subject to Master Netting Arrangement, before Offset", "documentation": "Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement." } } }, "auth_ref": [ "r14", "r103", "r124", "r125", "r216", "r827" ] }, "us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "negatedTotalLabel": "Net position", "label": "Derivative Liability, Including Not Subject to Master Netting Arrangement, after Offset and Deduction", "documentation": "Fair value, after effect of master netting arrangement and deduction of obligation to return financial collateral not offset and financial instrument subject to master netting arrangement not offset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and contract can be net settled by means outside contract or delivery of asset. Includes derivative not subject to master netting arrangement or similar agreement." } } }, "auth_ref": [ "r16", "r75" ] }, "us-gaap_DerivativeGainLossOnDerivativeNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeGainLossOnDerivativeNet", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total", "label": "Derivative, Gain (Loss) on Derivative, Net", "documentation": "Amount of increase (decrease) in the fair value of derivatives recognized in the income statement." } } }, "auth_ref": [ "r1094" ] }, "slm_DerivativeInstrumentPercentOfTotalNotionalDerivativeContracts": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "DerivativeInstrumentPercentOfTotalNotionalDerivativeContracts", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Percent of total notional derivative contracts", "label": "Derivative Instrument, Percent Of Total Notional Derivative Contracts", "documentation": "Derivative Instrument, Percent Of Total Notional Derivative Contracts" } } }, "auth_ref": [] }, "us-gaap_DerivativeInstrumentRiskAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeInstrumentRiskAxis", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedBalanceSheetDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNarrativeDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNotionalValuesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative Instrument [Axis]", "label": "Derivative Instrument [Axis]", "documentation": "Information by type of derivative contract." } } }, "auth_ref": [ "r67", "r69", "r71", "r126", "r726", "r729", "r743", "r744", "r745", "r746", "r747", "r748", "r749", "r751", "r752", "r753", "r754", "r765", "r766", "r767", "r768", "r771", "r772", "r773", "r774", "r791", "r792", "r796", "r799", "r827", "r881", "r883", "r1102", "r1103", "r1104", "r1105", "r1106", "r1107", "r1109", "r1110" ] }, "us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract", "lang": { "en-us": { "role": { "terseLabel": "Derivative Instruments and Hedging Activities Disclosure [Abstract]", "label": "Derivative Instruments and Hedging Activities Disclosure [Abstract]" } } }, "auth_ref": [] }, "us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstruments" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative Financial Instruments", "label": "Derivative Instruments and Hedging Activities Disclosure [Text Block]", "documentation": "The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts." } } }, "auth_ref": [ "r123", "r543", "r552" ] }, "us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeInstrumentsGainLossByHedgingRelationshipAxis", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedBalanceSheetDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNotionalValuesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Hedging Relationship [Axis]", "label": "Hedging Relationship [Axis]", "documentation": "Information by type of hedging relationship." } } }, "auth_ref": [ "r12", "r67", "r69" ] }, "us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative Instruments, Gain (Loss) [Table]", "label": "Derivative Instruments, Gain (Loss) [Table]", "documentation": "Disclosure of information about the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments." } } }, "auth_ref": [ "r12", "r67", "r69", "r71", "r77", "r78", "r540" ] }, "us-gaap_DerivativeInstrumentsGainLossLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeInstrumentsGainLossLineItems", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative Instruments, Gain (Loss) [Line Items]", "label": "Derivative Instruments, Gain (Loss) [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r540" ] }, "slm_DerivativeInstrumentsIncreaseDecreaseInFairValueOfFutureInterestPaymentsRecordedInEarnings": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "DerivativeInstrumentsIncreaseDecreaseInFairValueOfFutureInterestPaymentsRecordedInEarnings", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Change in fair value of future interest payments recorded in earnings", "label": "Derivative Instruments Increase (Decrease) In Fair Value Of Future Interest Payments Recorded In Earnings", "documentation": "Derivative Instruments Increase (Decrease) In Fair Value Of Future Interest Payments Recorded In Earnings" } } }, "auth_ref": [] }, "us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNetAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNetAbstract", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Trading", "label": "Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net [Abstract]" } } }, "auth_ref": [] }, "us-gaap_DerivativeLiabilities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeLiabilities", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails": { "parentTag": "us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral", "weight": 1.0, "order": 1.0 }, "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedBalanceSheetDetails": { "parentTag": "us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet", "weight": -1.0, "order": 2.0 }, "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1": { "parentTag": "us-gaap_FinancialLiabilitiesFairValueDisclosure", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedBalanceSheetDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails", "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1", "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails" ], "lang": { "en-us": { "role": { "negatedLabel": "Derivative liabilities", "negatedTotalLabel": "Derivative values with impact of master netting agreements (as carried on balance sheet)", "negatedTerseLabel": "Derivative instruments", "terseLabel": "Derivative instruments", "label": "Derivative Liability", "documentation": "Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset." } } }, "auth_ref": [ "r217", "r220", "r560", "r561", "r574", "r585", "r718", "r719", "r720", "r722", "r724", "r725", "r726", "r728", "r729", "r751", "r753", "r754", "r792", "r793", "r794", "r796", "r797", "r799", "r800", "r827", "r1099", "r1100", "r1101", "r1135" ] }, "us-gaap_DerivativeLiabilitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeLiabilitiesAbstract", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other Liabilities", "label": "Derivative Liability [Abstract]" } } }, "auth_ref": [] }, "us-gaap_DerivativeLiabilityFairValueGrossAsset": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeLiabilityFairValueGrossAsset", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails": { "parentTag": "us-gaap_DerivativeLiabilities", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsOffsettingAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Impact of master netting agreement", "label": "Derivative Liability, Subject to Master Netting Arrangement, Asset Offset", "documentation": "Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset." } } }, "auth_ref": [ "r13", "r18", "r124", "r125", "r797", "r798", "r826" ] }, "us-gaap_DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration": { "xbrltype": "enumerationSetItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative Liability, Statement of Financial Position [Extensible Enumeration]", "label": "Derivative Liability, Statement of Financial Position [Extensible Enumeration]", "documentation": "Indicates line item in statement of financial position that includes derivative liability." } } }, "auth_ref": [ "r537" ] }, "us-gaap_DerivativeLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeLineItems", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative [Line Items]", "label": "Derivative [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r552" ] }, "us-gaap_DerivativeNotionalAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeNotionalAmount", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNarrativeDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNotionalValuesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Notional value", "verboseLabel": "Notional Values", "label": "Derivative, Notional Amount", "documentation": "Nominal or face amount used to calculate payment on derivative." } } }, "auth_ref": [ "r1092", "r1093" ] }, "us-gaap_DerivativeTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativeTable", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative [Table]", "label": "Derivative [Table]", "documentation": "Disclosure of information about derivative instrument or group of derivative instruments, including, but not limited to, type of derivative instrument, risk being hedged, notional amount, hedge designation, related hedged item, inception date, and maturity date." } } }, "auth_ref": [ "r12", "r59", "r60", "r62", "r65", "r68", "r69", "r73", "r74", "r78", "r552" ] }, "us-gaap_DerivativesFairValueLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DerivativesFairValueLineItems", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedBalanceSheetDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNotionalValuesDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsScheduleofHedgedItemsRecordedinStatementofFinancialPositionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivatives, Fair Value [Line Items]", "label": "Derivatives, Fair Value [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [] }, "us-gaap_DesignatedAsHedgingInstrumentMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DesignatedAsHedgingInstrumentMember", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedBalanceSheetDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNotionalValuesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Designated as Hedging Instrument", "label": "Designated as Hedging Instrument [Member]", "documentation": "Derivative instrument designated as hedging instrument under Generally Accepted Accounting Principles (GAAP)." } } }, "auth_ref": [ "r12" ] }, "us-gaap_DevelopedTechnologyRightsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DevelopedTechnologyRightsMember", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Developed technology", "label": "Developed Technology Rights [Member]", "documentation": "Rights to developed technology, which can include the right to develop, use, market, sell, or offer for sale products, compounds, or intellectual property." } } }, "auth_ref": [ "r121", "r1059", "r1060", "r1061", "r1062", "r1064", "r1066", "r1068", "r1069" ] }, "us-gaap_DilutiveSecuritiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DilutiveSecuritiesAbstract", "presentation": [ "http://www.salliemae.com/role/EarningsLossperCommonShareDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Effect of dilutive securities:", "label": "Dilutive Securities, Effect on Basic Earnings Per Share [Abstract]" } } }, "auth_ref": [] }, "us-gaap_Dividends": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "Dividends", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Dividends", "label": "Dividends", "documentation": "Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock." } } }, "auth_ref": [ "r3", "r120" ] }, "us-gaap_DividendsCashAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DividendsCashAbstract", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Cash dividends declared:", "label": "Dividends, Cash [Abstract]" } } }, "auth_ref": [] }, "us-gaap_DividendsCommonStockCash": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DividendsCommonStockCash", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Common Stock", "label": "Dividends, Common Stock, Cash", "documentation": "Amount of paid and unpaid common stock dividends declared with the form of settlement in cash." } } }, "auth_ref": [ "r120" ] }, "us-gaap_DividendsPreferredStockCash": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "DividendsPreferredStockCash", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Preferred Stock", "label": "Dividends, Preferred Stock, Cash", "documentation": "Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash." } } }, "auth_ref": [ "r3", "r120" ] }, "dei_DocumentFiscalPeriodFocus": { "xbrltype": "fiscalPeriodItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "DocumentFiscalPeriodFocus", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Document Fiscal Period Focus", "label": "Document Fiscal Period Focus", "documentation": "Fiscal period values are FY, Q1, Q2, and Q3. 1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY." } } }, "auth_ref": [] }, "dei_DocumentFiscalYearFocus": { "xbrltype": "gYearItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "DocumentFiscalYearFocus", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Document Fiscal Year Focus", "label": "Document Fiscal Year Focus", "documentation": "This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006." } } }, "auth_ref": [] }, "dei_DocumentPeriodEndDate": { "xbrltype": "dateItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "DocumentPeriodEndDate", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Document Period End Date", "label": "Document Period End Date", "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD." } } }, "auth_ref": [] }, "dei_DocumentQuarterlyReport": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "DocumentQuarterlyReport", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Document Quarterly Report", "label": "Document Quarterly Report", "documentation": "Boolean flag that is true only for a form used as an quarterly report." } } }, "auth_ref": [ "r897" ] }, "dei_DocumentTransitionReport": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "DocumentTransitionReport", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Document Transition Report", "label": "Document Transition Report", "documentation": "Boolean flag that is true only for a form used as a transition report." } } }, "auth_ref": [ "r929" ] }, "dei_DocumentType": { "xbrltype": "submissionTypeItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "DocumentType", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Document Type", "label": "Document Type", "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'." } } }, "auth_ref": [] }, "ecd_DvddsOrOthrErngsPdOnEqtyAwrdsNtOthrwsRflctdInTtlCompForCvrdYrMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "DvddsOrOthrErngsPdOnEqtyAwrdsNtOthrwsRflctdInTtlCompForCvrdYrMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year", "label": "Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member]" } } }, "auth_ref": [ "r940" ] }, "us-gaap_EarningsPerShareAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "EarningsPerShareAbstract", "lang": { "en-us": { "role": { "terseLabel": "Earnings Per Share [Abstract]", "label": "Earnings Per Share [Abstract]" } } }, "auth_ref": [] }, "us-gaap_EarningsPerShareBasic": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "EarningsPerShareBasic", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited", "http://www.salliemae.com/role/EarningsLossperCommonShareDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Basic earnings per common share (in dollars per share)", "terseLabel": "Basic earnings per common share (in dollars per share)", "label": "Earnings Per Share, Basic", "documentation": "The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period." } } }, "auth_ref": [ "r239", "r261", "r262", "r263", "r264", "r265", "r266", "r272", "r275", "r286", "r287", "r288", "r292", "r524", "r528", "r557", "r558", "r652", "r685", "r830" ] }, "us-gaap_EarningsPerShareDiluted": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "EarningsPerShareDiluted", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited", "http://www.salliemae.com/role/EarningsLossperCommonShareDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Diluted earnings per common share (in dollars per share)", "label": "Earnings Per Share, Diluted", "documentation": "The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period." } } }, "auth_ref": [ "r239", "r261", "r262", "r263", "r264", "r265", "r266", "r275", "r286", "r287", "r288", "r292", "r524", "r528", "r557", "r558", "r652", "r685", "r830" ] }, "us-gaap_EarningsPerShareTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "EarningsPerShareTextBlock", "presentation": [ "http://www.salliemae.com/role/EarningsLossperCommonShare" ], "lang": { "en-us": { "role": { "terseLabel": "Earnings (Loss) per Common Share", "label": "Earnings Per Share [Text Block]", "documentation": "The entire disclosure for earnings per share." } } }, "auth_ref": [ "r271", "r289", "r290", "r291" ] }, "us-gaap_EffectOfCashFlowHedgesOnResultsOfOperationsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "EffectOfCashFlowHedgesOnResultsOfOperationsAbstract", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Cash Flow Hedges", "label": "Effect of Cash Flow Hedges on Results of Operations [Abstract]" } } }, "auth_ref": [] }, "us-gaap_EmployeeStockOptionMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "EmployeeStockOptionMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Employee Stock Option", "label": "Share-Based Payment Arrangement, Option [Member]", "documentation": "Share-based payment arrangement granting right, subject to vesting and other restrictions, to purchase or sell certain number of shares at predetermined price for specified period of time." } } }, "auth_ref": [] }, "dei_EntitiesTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntitiesTable", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Entities [Table]", "label": "Entities [Table]", "documentation": "Container to assemble all relevant information about each entity associated with the document instance" } } }, "auth_ref": [] }, "dei_EntityAddressAddressLine1": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityAddressAddressLine1", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, Address Line One", "label": "Entity Address, Address Line One", "documentation": "Address Line 1 such as Attn, Building Name, Street Name" } } }, "auth_ref": [] }, "dei_EntityAddressCityOrTown": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityAddressCityOrTown", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, City or Town", "label": "Entity Address, City or Town", "documentation": "Name of the City or Town" } } }, "auth_ref": [] }, "dei_EntityAddressPostalZipCode": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityAddressPostalZipCode", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, Postal Zip Code", "label": "Entity Address, Postal Zip Code", "documentation": "Code for the postal or zip code" } } }, "auth_ref": [] }, "dei_EntityAddressStateOrProvince": { "xbrltype": "stateOrProvinceItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityAddressStateOrProvince", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, State or Province", "label": "Entity Address, State or Province", "documentation": "Name of the state or province." } } }, "auth_ref": [] }, "dei_EntityCentralIndexKey": { "xbrltype": "centralIndexKeyItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityCentralIndexKey", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Central Index Key", "label": "Entity Central Index Key", "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK." } } }, "auth_ref": [ "r895" ] }, "dei_EntityCommonStockSharesOutstanding": { "xbrltype": "sharesItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityCommonStockSharesOutstanding", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Common Stock, Shares Outstanding", "label": "Entity Common Stock, Shares Outstanding", "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument." } } }, "auth_ref": [] }, "dei_EntityCurrentReportingStatus": { "xbrltype": "yesNoItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityCurrentReportingStatus", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Current Reporting Status", "label": "Entity Current Reporting Status", "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure." } } }, "auth_ref": [] }, "dei_EntityEmergingGrowthCompany": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityEmergingGrowthCompany", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Emerging Growth Company", "label": "Entity Emerging Growth Company", "documentation": "Indicate if registrant meets the emerging growth company criteria." } } }, "auth_ref": [ "r895" ] }, "dei_EntityFileNumber": { "xbrltype": "fileNumberItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityFileNumber", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity File Number", "label": "Entity File Number", "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen." } } }, "auth_ref": [] }, "dei_EntityFilerCategory": { "xbrltype": "filerCategoryItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityFilerCategory", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Filer Category", "label": "Entity Filer Category", "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure." } } }, "auth_ref": [ "r895" ] }, "dei_EntityIncorporationStateCountryCode": { "xbrltype": "edgarStateCountryItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityIncorporationStateCountryCode", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Incorporation, State or Country Code", "label": "Entity Incorporation, State or Country Code", "documentation": "Two-character EDGAR code representing the state or country of incorporation." } } }, "auth_ref": [] }, "dei_EntityInformationLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityInformationLineItems", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Information [Line Items]", "label": "Entity Information [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [] }, "dei_EntityInteractiveDataCurrent": { "xbrltype": "yesNoItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityInteractiveDataCurrent", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Interactive Data Current", "label": "Entity Interactive Data Current", "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files)." } } }, "auth_ref": [ "r979" ] }, "dei_EntityRegistrantName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityRegistrantName", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Registrant Name", "label": "Entity Registrant Name", "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC." } } }, "auth_ref": [ "r895" ] }, "dei_EntityShellCompany": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityShellCompany", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Shell Company", "label": "Entity Shell Company", "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act." } } }, "auth_ref": [ "r895" ] }, "dei_EntitySmallBusiness": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntitySmallBusiness", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Small Business", "label": "Entity Small Business", "documentation": "Indicates that the company is a Smaller Reporting Company (SRC)." } } }, "auth_ref": [ "r895" ] }, "dei_EntityTaxIdentificationNumber": { "xbrltype": "employerIdItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityTaxIdentificationNumber", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Tax Identification Number", "label": "Entity Tax Identification Number", "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS." } } }, "auth_ref": [ "r895" ] }, "ecd_EqtyAwrdsAdjFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "EqtyAwrdsAdjFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Equity Awards Adjustments, Footnote", "label": "Equity Awards Adjustments, Footnote [Text Block]" } } }, "auth_ref": [ "r934" ] }, "ecd_EqtyAwrdsAdjsExclgValRprtdInSummryCompstnTblMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "EqtyAwrdsAdjsExclgValRprtdInSummryCompstnTblMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Equity Awards Adjustments, Excluding Value Reported in Compensation Table", "label": "Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member]" } } }, "auth_ref": [ "r975" ] }, "ecd_EqtyAwrdsAdjsMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "EqtyAwrdsAdjsMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Equity Awards Adjustments", "label": "Equity Awards Adjustments [Member]" } } }, "auth_ref": [ "r975" ] }, "ecd_EqtyAwrdsInSummryCompstnTblForAplblYrMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "EqtyAwrdsInSummryCompstnTblForAplblYrMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table", "label": "Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member]" } } }, "auth_ref": [ "r975" ] }, "us-gaap_EquityAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "EquityAbstract", "lang": { "en-us": { "role": { "terseLabel": "Equity [Abstract]", "label": "Equity [Abstract]" } } }, "auth_ref": [] }, "us-gaap_EquityComponentDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "EquityComponentDomain", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Equity Component [Domain]", "label": "Equity Component [Domain]", "documentation": "Components of equity are the parts of the total Equity balance including that which is allocated to common, preferred, treasury stock, retained earnings, etc." } } }, "auth_ref": [ "r11", "r202", "r234", "r235", "r236", "r255", "r256", "r257", "r260", "r265", "r267", "r269", "r294", "r347", "r348", "r403", "r474", "r514", "r515", "r521", "r522", "r523", "r525", "r527", "r528", "r545", "r546", "r547", "r548", "r549", "r551", "r556", "r587", "r589", "r590", "r591", "r592", "r593", "r598", "r600", "r603", "r682", "r691", "r692", "r693", "r706", "r777" ] }, "ecd_EquityValuationAssumptionDifferenceFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "EquityValuationAssumptionDifferenceFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Equity Valuation Assumption Difference, Footnote", "label": "Equity Valuation Assumption Difference, Footnote [Text Block]" } } }, "auth_ref": [ "r944" ] }, "ecd_ErrCompAnalysisTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "ErrCompAnalysisTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Erroneous Compensation Analysis", "label": "Erroneous Compensation Analysis [Text Block]" } } }, "auth_ref": [ "r902", "r912", "r922", "r954" ] }, "ecd_ErrCompRecoveryTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "ErrCompRecoveryTable", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Erroneously Awarded Compensation Recovery", "label": "Erroneously Awarded Compensation Recovery [Table]" } } }, "auth_ref": [ "r899", "r909", "r919", "r951" ] }, "us-gaap_EstimateOfFairValueFairValueDisclosureMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "EstimateOfFairValueFairValueDisclosureMember", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value", "label": "Estimate of Fair Value Measurement [Member]", "documentation": "Measured as an estimate of fair value." } } }, "auth_ref": [ "r444", "r585", "r848", "r849" ] }, "slm_EstimatedWeightedAverageLifeOfStudentLoans": { "xbrltype": "durationItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "EstimatedWeightedAverageLifeOfStudentLoans", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Estimated weighted average life of student loans", "label": "Estimated Weighted Average Life Of Student Loans", "documentation": "Estimated weighted average life of student loans." } } }, "auth_ref": [] }, "slm_ExcessOfNetAssetFairValueOverCarryingValue": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "ExcessOfNetAssetFairValueOverCarryingValue", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Excess of net asset fair value over carrying value", "label": "Excess Of Net Asset Fair Value Over Carrying Value", "documentation": "Excess of net asset fair value over carrying value." } } }, "auth_ref": [] }, "ecd_ExecutiveCategoryAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "ExecutiveCategoryAxis", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Executive Category:", "label": "Executive Category [Axis]" } } }, "auth_ref": [ "r950" ] }, "us-gaap_ExtendedMaturityMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ExtendedMaturityMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Extended Maturity", "label": "Extended Maturity [Member]", "documentation": "Loan modification for an extension of the term of a loan in which it must be paid." } } }, "auth_ref": [ "r306", "r835" ] }, "slm_FICOscore670699Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FICOscore670699Member", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "670-699", "label": "FICO score 670-699 [Member]", "documentation": "FICO score 670-699 [Member]" } } }, "auth_ref": [] }, "slm_FICOscore700749Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FICOscore700749Member", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "700-749", "label": "FICO score 700-749 [Member]", "documentation": "FICO score 700-749 [Member]" } } }, "auth_ref": [] }, "slm_FICOscoregreaterthan750Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FICOscoregreaterthan750Member", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Greater than or equal to 750", "label": "FICO score greater than 750 [Member]", "documentation": "FICO score greater than 750 [Member]" } } }, "auth_ref": [] }, "slm_FICOscorelessthan670Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FICOscorelessthan670Member", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Less than 670", "label": "FICO score less than 670 [Member]", "documentation": "FICO score less than 670 [Member]" } } }, "auth_ref": [] }, "us-gaap_FairValueAssetRecurringBasisStillHeldUnrealizedGainLossOci": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueAssetRecurringBasisStillHeldUnrealizedGainLossOci", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValueMeasurementInputsandValuationTechniquesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Change in unrealized gains or losses for the period included in other comprehensive income for assets held at the end of the reporting period", "label": "Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI", "documentation": "Amount of unrealized gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3) and still held." } } }, "auth_ref": [ "r570", "r575", "r866" ] }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]", "label": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r560", "r561", "r574", "r864" ] }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value, Recurring and Nonrecurring [Table]", "label": "Fair Value, Recurring and Nonrecurring [Table]", "documentation": "Disclosure of information about asset and liability measured at fair value on recurring and nonrecurring basis." } } }, "auth_ref": [ "r560", "r561", "r574", "r864" ] }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value Measurement Inputs and Valuation Techniques [Line Items]", "label": "Fair Value Measurement Inputs and Valuation Techniques [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r562", "r563", "r564", "r868" ] }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value Measurement Inputs and Valuation Techniques [Table]", "label": "Fair Value Measurement Inputs and Valuation Techniques [Table]", "documentation": "Disclosure of information about input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis." } } }, "auth_ref": [ "r562", "r563", "r564", "r868" ] }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value Measurement Inputs and Valuation Techniques", "label": "Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]", "documentation": "Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis." } } }, "auth_ref": [ "r562", "r563", "r868" ] }, "us-gaap_FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValueMeasurementInputsandValuationTechniquesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Change in unrealized gains or losses for the period included in earnings (or changes in net assets) for assets held at the end of the reporting period", "label": "Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss)", "documentation": "Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held." } } }, "auth_ref": [ "r570", "r575", "r866", "r867" ] }, "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsScheduleofHedgedItemsRecordedinStatementofFinancialPositionDetails", "http://www.salliemae.com/role/FairValueMeasurementsFairValueMeasurementInputsandValuationTechniquesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Asset Class [Domain]", "label": "Asset Class [Domain]", "documentation": "Class of asset." } } }, "auth_ref": [ "r565", "r566", "r567", "r568", "r569", "r570", "r575", "r866" ] }, "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValueMeasurementInputsandValuationTechniquesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]", "label": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]", "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period." } } }, "auth_ref": [] }, "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValueMeasurementInputsandValuationTechniquesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]", "label": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r565", "r566", "r567", "r568", "r569", "r570", "r575", "r866" ] }, "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValueMeasurementInputsandValuationTechniquesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]", "label": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]", "documentation": "Disclosure of information about financial instrument asset measured at fair value on recurring basis using unobservable input." } } }, "auth_ref": [ "r565", "r566", "r567", "r568", "r569", "r570", "r575", "r866" ] }, "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation", "label": "Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]", "documentation": "Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset." } } }, "auth_ref": [ "r565", "r570", "r575", "r866" ] }, "us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]", "label": "Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [] }, "us-gaap_FairValueByAssetClassAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueByAssetClassAxis", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsScheduleofHedgedItemsRecordedinStatementofFinancialPositionDetails", "http://www.salliemae.com/role/FairValueMeasurementsFairValueMeasurementInputsandValuationTechniquesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Asset Class [Axis]", "label": "Asset Class [Axis]", "documentation": "Information by class of asset." } } }, "auth_ref": [ "r565", "r566", "r567", "r568", "r569", "r570", "r575", "r866" ] }, "us-gaap_FairValueByBalanceSheetGroupingTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueByBalanceSheetGroupingTable", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value, by Balance Sheet Grouping [Table]", "label": "Fair Value, by Balance Sheet Grouping [Table]", "documentation": "Disclosure of information about the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities." } } }, "auth_ref": [ "r80", "r81" ] }, "us-gaap_FairValueByBalanceSheetGroupingTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueByBalanceSheetGroupingTextBlock", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Values of Financial Assets and Liabilities, Including Derivative Financial Instruments", "label": "Fair Value, by Balance Sheet Grouping [Table Text Block]", "documentation": "Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities." } } }, "auth_ref": [ "r80" ] }, "us-gaap_FairValueByFairValueHierarchyLevelAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueByFairValueHierarchyLevelAxis", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails", "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value Hierarchy and NAV [Axis]", "label": "Fair Value Hierarchy and NAV [Axis]", "documentation": "Information by level within fair value hierarchy and fair value measured at net asset value per share as practical expedient." } } }, "auth_ref": [ "r444", "r476", "r477", "r478", "r479", "r480", "r481", "r559", "r561", "r562", "r563", "r564", "r573", "r574", "r576", "r611", "r612", "r613", "r848", "r849", "r853", "r854", "r855", "r864", "r868" ] }, "us-gaap_FairValueByLiabilityClassAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueByLiabilityClassAxis", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Liability Class [Axis]", "label": "Liability Class [Axis]", "documentation": "Information by class of liability." } } }, "auth_ref": [ "r565", "r566", "r567", "r568", "r569", "r570", "r575" ] }, "us-gaap_FairValueByMeasurementBasisAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueByMeasurementBasisAxis", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Measurement Basis [Axis]", "label": "Measurement Basis [Axis]", "documentation": "Information by measurement basis." } } }, "auth_ref": [ "r444", "r848", "r849" ] }, "us-gaap_FairValueByMeasurementFrequencyAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueByMeasurementFrequencyAxis", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Measurement Frequency [Axis]", "label": "Measurement Frequency [Axis]", "documentation": "Information by measurement frequency." } } }, "auth_ref": [ "r560", "r561", "r562", "r564", "r864", "r1100", "r1111" ] }, "us-gaap_FairValueDisclosureItemAmountsDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueDisclosureItemAmountsDomain", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value Measurement [Domain]", "label": "Fair Value Measurement [Domain]", "documentation": "Measurement basis, for example, but not limited to, reported value, fair value, portion at fair value, portion at other than fair value." } } }, "auth_ref": [ "r444", "r848", "r849" ] }, "slm_FairValueDisclosureOffBalanceSheetRisksAmountLiabilityAdditionalCommitments": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FairValueDisclosureOffBalanceSheetRisksAmountLiabilityAdditionalCommitments", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/UnfundedLoanCommitmentsScheduleofAllowanceforCreditLossesandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Provision/New commitments - net", "label": "Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability, Additional Commitments", "documentation": "Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability, Additional Commitments" } } }, "auth_ref": [] }, "slm_FairValueDisclosureOffBalanceSheetRisksAmountLiabilityCommitmentsFunded": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FairValueDisclosureOffBalanceSheetRisksAmountLiabilityCommitmentsFunded", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/UnfundedLoanCommitmentsScheduleofAllowanceforCreditLossesandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Transfer - funded loans", "label": "Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability, Commitments Funded", "documentation": "Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability, Commitments Funded" } } }, "auth_ref": [] }, "us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueDisclosureOffbalanceSheetRisksAmountLiability", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/UnfundedLoanCommitmentsScheduleofAllowanceforCreditLossesandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "periodStartLabel": "Beginning balance", "periodEndLabel": "Ending balance", "label": "Fair Value Disclosure, off-Balance-Sheet Risks, Amount, Liability", "documentation": "The fair value of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition." } } }, "auth_ref": [ "r585" ] }, "us-gaap_FairValueDisclosuresAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueDisclosuresAbstract", "lang": { "en-us": { "role": { "terseLabel": "Fair Value Disclosures [Abstract]", "label": "Fair Value Disclosures [Abstract]" } } }, "auth_ref": [] }, "us-gaap_FairValueDisclosuresTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueDisclosuresTextBlock", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurements" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value Measurements", "label": "Fair Value Disclosures [Text Block]", "documentation": "The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information." } } }, "auth_ref": [ "r569", "r571", "r572", "r573", "r576", "r577", "r578", "r579", "r580", "r645", "r864", "r869" ] }, "us-gaap_FairValueHedgingMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueHedgingMember", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedBalanceSheetDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNotionalValuesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value Hedges", "verboseLabel": "Fair Value", "label": "Fair Value Hedging [Member]", "documentation": "A hedge of the exposure to changes in the fair value of a recognized asset or liability, or of an unrecognized firm commitment, that are attributable to a particular risk." } } }, "auth_ref": [ "r63" ] }, "us-gaap_FairValueInputsLevel1Member": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueInputsLevel1Member", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Level\u00a01", "label": "Fair Value, Inputs, Level 1 [Member]", "documentation": "Quoted prices in active markets for identical assets or liabilities that the reporting entity can access at the measurement date." } } }, "auth_ref": [ "r444", "r476", "r481", "r561", "r574", "r611", "r853", "r854", "r855", "r864" ] }, "us-gaap_FairValueInputsLevel2Member": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueInputsLevel2Member", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Level\u00a02", "label": "Fair Value, Inputs, Level 2 [Member]", "documentation": "Inputs other than quoted prices included within level 1 that are observable for an asset or liability, either directly or indirectly, including, but not limited to, quoted prices for similar assets or liabilities in active markets, or quoted prices for identical or similar assets or liabilities in inactive markets." } } }, "auth_ref": [ "r444", "r476", "r481", "r561", "r562", "r574", "r612", "r848", "r849", "r853", "r854", "r855", "r864" ] }, "us-gaap_FairValueInputsLevel3Member": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueInputsLevel3Member", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails", "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Level\u00a03", "label": "Fair Value, Inputs, Level 3 [Member]", "documentation": "Unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing." } } }, "auth_ref": [ "r444", "r476", "r477", "r478", "r479", "r480", "r481", "r561", "r562", "r563", "r564", "r574", "r613", "r848", "r849", "r853", "r854", "r855", "r864", "r868" ] }, "us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value by Liability Class [Domain]", "label": "Fair Value by Liability Class [Domain]", "documentation": "Represents classes of liabilities measured and disclosed at fair value." } } }, "auth_ref": [ "r565", "r566", "r567", "r568", "r569", "r570", "r575" ] }, "us-gaap_FairValueMeasurementFrequencyDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueMeasurementFrequencyDomain", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Measurement Frequency [Domain]", "label": "Measurement Frequency [Domain]", "documentation": "Measurement frequency." } } }, "auth_ref": [ "r560", "r561", "r562", "r564", "r864", "r1100", "r1111" ] }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValueMeasurementInputsandValuationTechniquesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Included in earnings (or changes in net assets)", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings", "documentation": "Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3)." } } }, "auth_ref": [ "r566", "r575", "r866", "r867" ] }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValueMeasurementInputsandValuationTechniquesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Included in other comprehensive income", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)", "documentation": "Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3)." } } }, "auth_ref": [ "r567", "r575", "r866" ] }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValueMeasurementInputsandValuationTechniquesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Settlements", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements", "documentation": "Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing." } } }, "auth_ref": [ "r568", "r575", "r866" ] }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValueMeasurementInputsandValuationTechniquesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Transfers into level 3", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3", "documentation": "Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy." } } }, "auth_ref": [ "r569", "r575", "r866" ] }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValueMeasurementInputsandValuationTechniquesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Transfers out of level 3", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3", "documentation": "Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy." } } }, "auth_ref": [ "r569", "r575", "r866" ] }, "us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValueMeasurementInputsandValuationTechniquesDetails" ], "lang": { "en-us": { "role": { "periodStartLabel": "Balance, beginning of period", "periodEndLabel": "Balance, end of period", "label": "Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value", "documentation": "Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing." } } }, "auth_ref": [ "r565", "r575", "r866" ] }, "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueMeasurementsFairValueHierarchyDomain", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails", "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value, Measurements, Fair Value Hierarchy [Domain]", "label": "Fair Value Hierarchy and NAV [Domain]", "documentation": "Categories used to prioritize the inputs to valuation techniques to measure fair value." } } }, "auth_ref": [ "r444", "r476", "r477", "r478", "r479", "r480", "r481", "r559", "r561", "r562", "r563", "r564", "r573", "r574", "r576", "r611", "r612", "r613", "r848", "r849", "r853", "r854", "r855", "r864", "r868" ] }, "us-gaap_FairValueMeasurementsRecurringMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValueMeasurementsRecurringMember", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fair\u00a0Value\u00a0Measurements\u00a0on\u00a0a\u00a0Recurring Basis", "label": "Fair Value, Recurring [Member]", "documentation": "Frequent fair value measurement. Includes, but is not limited to, fair value adjustment for impairment of asset, liability or equity, frequently measured at fair value." } } }, "auth_ref": [ "r864", "r1097", "r1098", "r1099", "r1100", "r1101", "r1111" ] }, "us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedBalanceSheetDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNotionalValuesDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsScheduleofHedgedItemsRecordedinStatementofFinancialPositionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]", "label": "Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]", "documentation": "Disclosure of information about location and fair value of derivative instrument and nonderivative instrument designated as hedging instrument." } } }, "auth_ref": [ "r66", "r68", "r77" ] }, "us-gaap_FederalDepositInsuranceCorporationPremiumExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FederalDepositInsuranceCorporationPremiumExpense", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "slm_OperatingExpensesExcludingAmortizationOfIntangibleAssets", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "FDIC assessment fees", "label": "Federal Deposit Insurance Corporation Premium Expense", "documentation": "Amount of expense for Federal Deposit Insurance Corporation (FDIC) insurance." } } }, "auth_ref": [ "r144" ] }, "us-gaap_FederalFamilyEducationLoanProgramFfelpGuaranteedLoansMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FederalFamilyEducationLoanProgramFfelpGuaranteedLoansMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails", "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1", "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfolioAverageBalancesDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfoliobyProgramDetails" ], "lang": { "en-us": { "role": { "terseLabel": "FFELP Loans", "verboseLabel": "FFELP Loans(1)", "label": "Federal Family Education Loan Program (FFELP) Guaranteed Loans [Member]", "documentation": "Guarantee by the U.S. government for government insured loans under the Federal Family Education Loan Program (FFELP)." } } }, "auth_ref": [] }, "slm_FinancialAssetEqualTo60DaysPastDueMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancialAssetEqualTo60DaysPastDueMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loan delinquent, 60 days", "label": "Financial Asset, Equal to 60 Days Past Due [Member]", "documentation": "Financial Asset, Equal to 60 Days Past Due" } } }, "auth_ref": [] }, "slm_FinancialAssetEqualToOrGreaterThan60DaysPastDueMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancialAssetEqualToOrGreaterThan60DaysPastDueMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivablesthatSubsequentlyDefaultedDetails" ], "lang": { "en-us": { "role": { "terseLabel": "60 Days or Greater Past Due", "label": "Financial Asset, Equal To Or Greater Than 60 Days Past Due [Member]", "documentation": "Financial Asset, Equal To Or Greater Than 60 Days Past Due" } } }, "auth_ref": [] }, "us-gaap_FinancialAssetNotPastDueMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancialAssetNotPastDueMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPasDueLoansDelinquenciesDefermentDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesPaymentStatusAmortizedCostBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loan delinquent, current", "verboseLabel": "Current", "label": "Financial Asset, Not Past Due [Member]", "documentation": "Financial asset not past due." } } }, "auth_ref": [ "r359", "r843" ] }, "us-gaap_FinancialInstrumentAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancialInstrumentAxis", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1", "http://www.salliemae.com/role/InvestmentsAmortizedCostandFairValueofSecuritiesAvailableforSaleDetails", "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Financial Instrument [Axis]", "label": "Financial Instrument [Axis]", "documentation": "Information by type of financial instrument." } } }, "auth_ref": [ "r315", "r316", "r317", "r318", "r319", "r320", "r321", "r322", "r323", "r324", "r325", "r326", "r327", "r328", "r329", "r330", "r331", "r332", "r333", "r334", "r335", "r336", "r337", "r338", "r339", "r340", "r341", "r342", "r343", "r344", "r354", "r355", "r359", "r360", "r367", "r379", "r384", "r385", "r455", "r471", "r552", "r581", "r608", "r609", "r610", "r611", "r612", "r613", "r614", "r615", "r616", "r618", "r619", "r620", "r621", "r623", "r624", "r626", "r627", "r628", "r629", "r630", "r631", "r632", "r633", "r634", "r635", "r636", "r637", "r638", "r639", "r640", "r683", "r844", "r864", "r866", "r868", "r869", "r870", "r871", "r872", "r873", "r874", "r877", "r983", "r984", "r985", "r986", "r987", "r988", "r989", "r1042", "r1043", "r1044", "r1045", "r1096", "r1099", "r1100", "r1101", "r1108", "r1111" ] }, "us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Earning assets:", "label": "Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]" } } }, "auth_ref": [] }, "us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Interest-bearing liabilities:", "label": "Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]" } } }, "auth_ref": [] }, "us-gaap_FinancialLiabilitiesFairValueDisclosure": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancialLiabilitiesFairValueDisclosure", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "totalLabel": "Total interest-bearing liabilities", "label": "Financial Liabilities Fair Value Disclosure", "documentation": "Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities." } } }, "auth_ref": [ "r1097", "r1098", "r1108" ] }, "slm_FinancialLiabilitiesFairValueDisclosureDifferenceBetweenCarryingValueandFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancialLiabilitiesFairValueDisclosureDifferenceBetweenCarryingValueandFairValue", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "totalLabel": "Total interest-bearing liabilities, difference", "label": "Financial Liabilities Fair Value Disclosure, Difference Between Carrying Value and Fair Value", "documentation": "Financial Liabilities Fair Value Disclosure, Difference Between Carrying Value and Fair Value" } } }, "auth_ref": [] }, "slm_FinancingPercentageOfFFELPLoansInsuredAndGuaranteed": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingPercentageOfFFELPLoansInsuredAndGuaranteed", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Percentage of FFELP loans insured and guaranteed (at least)", "label": "Financing, Percentage of FFELP Loans Insured and Guaranteed", "documentation": "Financing, Percentage of FFELP Loans Insured and Guaranteed" } } }, "auth_ref": [] }, "slm_FinancingReceivableAccruedInterestOriginationInterestOriginatedFiveOrMoreYearsBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAccruedInterestOriginationInterestOriginatedFiveOrMoreYearsBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "slm_FinancingReceivableAccruedInterestOriginationVintageBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total accrued interest by origination vintage, After Year 5", "label": "Financing Receivable, Accrued Interest, Origination Interest, Originated Five or More Years before Latest Fiscal Year", "documentation": "Financing Receivable, Accrued Interest, Origination Interest, Originated Five or More Years before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAccruedInterestOriginationVintageBeforeAllowanceForCreditLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAccruedInterestOriginationVintageBeforeAllowanceForCreditLoss", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total accrued interest by origination vintage", "label": "Financing Receivable, Accrued Interest, Origination Vintage, before Allowance for Credit Loss", "documentation": "Financing Receivable, Accrued Interest, Origination Vintage, before Allowance for Credit Loss" } } }, "auth_ref": [] }, "slm_FinancingReceivableAccruedInterestOriginationVintageOriginatedFourYearsBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAccruedInterestOriginationVintageOriginatedFourYearsBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "slm_FinancingReceivableAccruedInterestOriginationVintageBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total accrued interest by origination vintage, Year 5", "label": "Financing Receivable, Accrued interest, Origination Vintage, Originated Four Years before Latest Fiscal Year", "documentation": "Financing Receivable, Accrued interest, Origination Vintage, Originated Four Years before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAccruedInterestOriginationVintageOriginatedInCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAccruedInterestOriginationVintageOriginatedInCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "slm_FinancingReceivableAccruedInterestOriginationVintageBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total accrued interest by origination vintage, Year 1", "label": "Financing Receivable, Accrued Interest, Origination Vintage, Originated in Current Fiscal Year", "documentation": "Financing Receivable, Accrued Interest, Origination Vintage, Originated in Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAccruedInterestOriginationVintageOriginatedInFiscalYearBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAccruedInterestOriginationVintageOriginatedInFiscalYearBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "slm_FinancingReceivableAccruedInterestOriginationVintageBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total accrued interest by origination vintage, Year 2", "label": "Financing Receivable, Accrued Interest, Origination Vintage, Originated in Fiscal Year before Latest Fiscal Year", "documentation": "Financing Receivable, Accrued Interest, Origination Vintage, Originated in Fiscal Year before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAccruedInterestOriginationVintageOriginatedThreeYearsBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAccruedInterestOriginationVintageOriginatedThreeYearsBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "slm_FinancingReceivableAccruedInterestOriginationVintageBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total accrued interest by origination vintage, Year 4", "label": "Financing Receivable, Accrued interest, Origination Vintage, Originated Three Years before Latest Fiscal Year", "documentation": "Financing Receivable, Accrued interest, Origination Vintage, Originated Three Years before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAccruedInterestOriginationVintageOriginatedTwoYearsBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAccruedInterestOriginationVintageOriginatedTwoYearsBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "slm_FinancingReceivableAccruedInterestOriginationVintageBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total accrued interest by origination vintage, Year 3", "label": "Financing Receivable, Accrued interest, Origination Vintage, Originated Two Years before Latest Fiscal Year", "documentation": "Financing Receivable, Accrued interest, Origination Vintage, Originated Two Years before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAfterAllowanceForCreditLossOriginatedFiveYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAfterAllowanceForCreditLossOriginatedFiveYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Private Education Loans, net, After Year 5", "label": "Financing Receivable, after Allowance for Credit Loss, Originated Five Years Before Current Fiscal Year", "documentation": "Financing Receivable, after Allowance for Credit Loss, Originated Five Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAfterAllowanceForCreditLossOriginatedFourYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAfterAllowanceForCreditLossOriginatedFourYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Private Education Loans, net, Year 5", "label": "Financing Receivable, after Allowance for Credit Loss, Originated Four Years Before Current Fiscal Year", "documentation": "Financing Receivable, after Allowance for Credit Loss, Originated Four Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAfterAllowanceForCreditLossOriginatedInCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAfterAllowanceForCreditLossOriginatedInCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Private Education Loans, net, Year 1", "label": "Financing Receivable, after Allowance for Credit Loss, Originated In Current Fiscal Year", "documentation": "Financing Receivable, after Allowance for Credit Loss, Originated In Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAfterAllowanceForCreditLossOriginatedInFiscalYearBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAfterAllowanceForCreditLossOriginatedInFiscalYearBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Private Education Loans, net, Year 2", "label": "Financing Receivable, after Allowance for Credit Loss, Originated In Fiscal Year Before Latest Fiscal Year", "documentation": "Financing Receivable, after Allowance for Credit Loss, Originated In Fiscal Year Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAfterAllowanceForCreditLossOriginatedThreeYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAfterAllowanceForCreditLossOriginatedThreeYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Private Education Loans, net, Year 4", "label": "Financing Receivable, after Allowance for Credit Loss, Originated Three Years Before Current Fiscal Year", "documentation": "Financing Receivable, after Allowance for Credit Loss, Originated Three Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAfterAllowanceForCreditLossOriginatedTwoYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAfterAllowanceForCreditLossOriginatedTwoYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Private Education Loans, net, Year 3", "label": "Financing Receivable, after Allowance for Credit Loss, Originated Two Years Before Current Fiscal Year", "documentation": "Financing Receivable, after Allowance for Credit Loss, Originated Two Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails", "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnauditedParenthetical", "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfoliobyProgramDetails", "http://www.salliemae.com/role/RegulatoryCapitalAdjustedTransitionAmountsDetails", "http://www.salliemae.com/role/RegulatoryCapitalNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Allowance for credit losses", "negatedLabel": "Allowance for credit losses", "periodStartLabel": "Beginning balance", "periodEndLabel": "Ending Balance", "negatedTotalLabel": "Private Education Loans allowance for losses", "label": "Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest", "documentation": "Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease." } } }, "auth_ref": [ "r1048" ] }, "slm_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestPeriodIncreaseDecreaseBeforeWriteOffRecovery": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestPeriodIncreaseDecreaseBeforeWriteOffRecovery", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total provisions", "label": "Financing Receivable, Allowance For Credit Loss, Excluding Accrued Interest, Period Increase (Decrease) Before Write-Off (Recovery)", "documentation": "Financing Receivable, Allowance For Credit Loss, Excluding Accrued Interest, Period Increase (Decrease) Before Write-Off (Recovery)" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestWriteoffOriginatedFiveOrMoreYearsBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestWriteoffOriginatedFiveOrMoreYearsBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Current period gross charge-offs, After Year 5", "label": "Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Writeoff, Originated Five Or More Years Before Latest Fiscal Year", "documentation": "Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Writeoff, Originated Five Or More Years Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestWriteoffOriginatedFourYearsBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestWriteoffOriginatedFourYearsBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Current period gross charge-offs, Year 5", "label": "Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Writeoff, Originated Four Years Before Latest Fiscal Year", "documentation": "Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Writeoff, Originated Four Years Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestWriteoffOriginatedInCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestWriteoffOriginatedInCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Current period gross charge-offs, Year 1", "label": "Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Writeoff, Originated In Current Fiscal Year", "documentation": "Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Writeoff, Originated In Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestWriteoffOriginatedInFiscalYearBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestWriteoffOriginatedInFiscalYearBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Current period gross charge-offs, Year 2", "label": "Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Writeoff, Originated In Fiscal Year Before Latest Fiscal Year", "documentation": "Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Writeoff, Originated In Fiscal Year Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestWriteoffOriginatedThreeYearsBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestWriteoffOriginatedThreeYearsBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Current period gross charge-offs, Year 4", "label": "Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Writeoff, Originated Three Years Before Latest Fiscal Year", "documentation": "Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Writeoff, Originated Three Years Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestWriteoffOriginatedTwoYearsBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestWriteoffOriginatedTwoYearsBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Current period gross charge-offs, Year 3", "label": "Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Writeoff, Originated Two Years Before Latest Fiscal Year", "documentation": "Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest, Writeoff, Originated Two Years Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossOriginatedFiscalYearBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossOriginatedFiscalYearBeforeLatestFiscalYear", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Private Education Loans allowance for losses, Year 2", "label": "Financing Receivable, Allowance For Credit Loss, Originated Fiscal Year Before Latest Fiscal Year", "documentation": "Financing Receivable, Allowance For Credit Loss, Originated Fiscal Year Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossOriginatedFiveYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossOriginatedFiveYearsBeforeCurrentFiscalYear", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Private Education Loans allowance for losses, After Year 5", "label": "Financing Receivable, Allowance For Credit Loss, Originated Five Years Before Current Fiscal Year", "documentation": "Financing Receivable, Allowance For Credit Loss, Originated Five Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossOriginatedFourYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossOriginatedFourYearsBeforeCurrentFiscalYear", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Private Education Loans allowance for losses, Year 5", "label": "Financing Receivable, Allowance For Credit Loss, Originated Four Years Before Current Fiscal Year", "documentation": "Financing Receivable, Allowance For Credit Loss, Originated Four Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossOriginatedInCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossOriginatedInCurrentFiscalYear", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Private Education Loans allowance for losses, Year 1", "label": "Financing Receivable, Allowance For Credit Loss, Originated In Current Fiscal Year", "documentation": "Financing Receivable, Allowance For Credit Loss, Originated In Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossOriginatedThreeYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossOriginatedThreeYearsBeforeCurrentFiscalYear", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Private Education Loans allowance for losses, Year 4", "label": "Financing Receivable, Allowance For Credit Loss, Originated Three Years Before Current Fiscal Year", "documentation": "Financing Receivable, Allowance For Credit Loss, Originated Three Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossOriginatedTwoYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossOriginatedTwoYearsBeforeCurrentFiscalYear", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Private Education Loans allowance for losses, Year 3", "label": "Financing Receivable, Allowance For Credit Loss, Originated Two Years Before Current Fiscal Year", "documentation": "Financing Receivable, Allowance For Credit Loss, Originated Two Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossRecoveryOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossRecoveryOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Current period recoveries, After Year 5", "label": "Financing Receivable, Allowance for Credit Loss, Recovery, Originated Five Or More Years Before Current Fiscal Year", "documentation": "Financing Receivable, Allowance for Credit Loss, Recovery, Originated Five Or More Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossRecoveryOriginatedFourYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossRecoveryOriginatedFourYearsBeforeCurrentFiscalYear", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Current period recoveries, Year 5", "label": "Financing Receivable, Allowance for Credit Loss, Recovery, Originated Four Years Before Current Fiscal Year", "documentation": "Financing Receivable, Allowance for Credit Loss, Recovery, Originated Four Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossRecoveryOriginatedInCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossRecoveryOriginatedInCurrentFiscalYear", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Current period recoveries, Year 1", "label": "Financing Receivable, Allowance for Credit Loss, Recovery, Originated In Current Fiscal Year", "documentation": "Financing Receivable, Allowance for Credit Loss, Recovery, Originated In Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossRecoveryOriginatedInFiscalYearBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossRecoveryOriginatedInFiscalYearBeforeLatestFiscalYear", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Current period recoveries, Year 2", "label": "Financing Receivable, Allowance for Credit Loss, Recovery, Originated In Fiscal Year Before Latest Fiscal Year", "documentation": "Financing Receivable, Allowance for Credit Loss, Recovery, Originated In Fiscal Year Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossRecoveryOriginatedThreeYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossRecoveryOriginatedThreeYearsBeforeCurrentFiscalYear", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Current period recoveries, Year 4", "label": "Financing Receivable, Allowance for Credit Loss, Recovery, Originated Three Years Before Current Fiscal Year", "documentation": "Financing Receivable, Allowance for Credit Loss, Recovery, Originated Three Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossRecoveryOriginatedTwoYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossRecoveryOriginatedTwoYearsBeforeCurrentFiscalYear", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Current period recoveries, Year 3", "label": "Financing Receivable, Allowance for Credit Loss, Recovery, Originated Two Years Before Current Fiscal Year", "documentation": "Financing Receivable, Allowance for Credit Loss, Recovery, Originated Two Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails_1": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Current period recoveries, After Year 5", "label": "Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Originated Five Or More Years Before Current Fiscal Year", "documentation": "Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Originated Five Or More Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedFourYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedFourYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails_1": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Current period recoveries, Year 5", "label": "Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Originated Four Years Before Current Fiscal Year", "documentation": "Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Originated Four Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedInCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedInCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails_1": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Current period net charge-offs, Year 1", "label": "Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Originated In Current Fiscal Year", "documentation": "Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Originated In Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedInFiscalYearBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedInFiscalYearBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails_1": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Current period net charge-offs, Year 2", "label": "Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Originated In Fiscal Year Before Latest Fiscal Year", "documentation": "Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Originated In Fiscal Year Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedThreeYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedThreeYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails_1": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Current period recoveries, Year 4", "label": "Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Originated Three Years Before Current Fiscal Year", "documentation": "Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Originated Three Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedTwoYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAllowanceForCreditLossWriteoffAfterRecoveryOriginatedTwoYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails_1": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Current period recoveries, Year 3", "label": "Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Originated Two Years Before Current Fiscal Year", "documentation": "Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Originated Two Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Ending balance: collectively evaluated for impairment", "label": "Financing Receivable, Allowance for Credit Loss, Collectively Evaluated", "documentation": "Amount of allowance for credit loss on financing receivable evaluated on collective basis. Excludes financing receivable evaluated on individual basis." } } }, "auth_ref": [ "r160", "r836", "r1047" ] }, "us-gaap_FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Financing receivable allowance period increase (decrease)", "label": "Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease)", "documentation": "Amount of increase (decrease) in allowance for credit loss on financing receivable." } } }, "auth_ref": [ "r159", "r1049" ] }, "us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableAllowanceForCreditLossesRollForward", "presentation": [ "http://www.salliemae.com/role/UnfundedLoanCommitmentsScheduleofAllowanceforCreditLossesandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Financing Receivable, Allowance for Credit Loss [Roll Forward]", "label": "Financing Receivable, Allowance for Credit Loss [Roll Forward]", "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period." } } }, "auth_ref": [] }, "slm_FinancingReceivableAndOffBalanceSheetExcludingAccruedInterestBeforeAllowanceForCreditLossLoanSold": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAndOffBalanceSheetExcludingAccruedInterestBeforeAllowanceForCreditLossLoanSold", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loans sold", "label": "Financing Receivable And Off-Balance Sheet, Excluding Accrued Interest, Before Allowance For Credit Loss, Loan Sold", "documentation": "Financing Receivable And Off-Balance Sheet, Excluding Accrued Interest, Before Allowance For Credit Loss, Loan Sold" } } }, "auth_ref": [] }, "slm_FinancingReceivableAndOffBalanceSheetExcludingAccruedInterestCreditLossExpenseReversal": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableAndOffBalanceSheetExcludingAccruedInterestCreditLossExpenseReversal", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss", "weight": -1.0, "order": 1.0 }, "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 22.0 }, "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails", "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited", "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Less: provisions for credit losses", "verboseLabel": "Provisions for credit losses", "totalLabel": "Provisions for credit losses reported in consolidated statements of operations", "label": "Financing Receivable And Off-Balance Sheet, Excluding Accrued Interest, Credit Loss, Expense (Reversal)", "documentation": "Financing Receivable And Off-Balance Sheet, Excluding Accrued Interest, Credit Loss, Expense (Reversal)" } } }, "auth_ref": [] }, "slm_FinancingReceivableBeforeAllowanceForCreditLossAverageBalance": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableBeforeAllowanceForCreditLossAverageBalance", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfolioAverageBalancesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Average Balance", "label": "Financing Receivable, Before Allowance For Credit Loss, Average Balance", "documentation": "Financing Receivable, Before Allowance For Credit Loss, Average Balance" } } }, "auth_ref": [] }, "slm_FinancingReceivableChangeInContractualRate": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableChangeInContractualRate", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivableswithLoanModificationsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Average contractual rate", "label": "Financing Receivable, Change in Contractual Rate", "documentation": "Financing Receivable, Change in Contractual Rate" } } }, "auth_ref": [] }, "us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableCollectivelyEvaluatedForImpairment", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Ending balance: collectively evaluated for impairment", "label": "Financing Receivable, Collectively Evaluated for Credit Loss", "documentation": "Amount of financing receivable collectively evaluated for credit loss. Excludes financing receivable individually evaluated for credit loss." } } }, "auth_ref": [ "r305", "r836" ] }, "slm_FinancingReceivableCreditLossExpenseReversalCommitments": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableCreditLossExpenseReversalCommitments", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails": { "parentTag": "slm_FinancingReceivableAndOffBalanceSheetExcludingAccruedInterestCreditLossExpenseReversal", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total Private Education Loan provisions for credit losses", "label": "Financing Receivable, Credit Loss, Expense (Reversal), Commitments", "documentation": "Financing Receivable, Credit Loss, Expense (Reversal), Commitments" } } }, "auth_ref": [] }, "slm_FinancingReceivableCreditLossExpenseReversalExistingCommitments": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableCreditLossExpenseReversalExistingCommitments", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails": { "parentTag": "slm_FinancingReceivableCreditLossExpenseReversalCommitments", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Provisions for unfunded loan commitments", "label": "Financing Receivable, Credit Loss, Expense (Reversal), Existing Commitments", "documentation": "Financing Receivable, Credit Loss, Expense (Reversal), Existing Commitments" } } }, "auth_ref": [] }, "slm_FinancingReceivableCreditLossExpenseReversalNewCommitments": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableCreditLossExpenseReversalNewCommitments", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails": { "parentTag": "slm_FinancingReceivableCreditLossExpenseReversalCommitments", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Provisions for loan losses", "label": "Financing Receivable, Credit Loss, Expense (Reversal), New Commitments", "documentation": "Financing Receivable, Credit Loss, Expense (Reversal), New Commitments" } } }, "auth_ref": [] }, "slm_FinancingReceivableCreditLossExpenseReversalOtherImpacts": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableCreditLossExpenseReversalOtherImpacts", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails": { "parentTag": "slm_FinancingReceivableAndOffBalanceSheetExcludingAccruedInterestCreditLossExpenseReversal", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other impacts to the provisions for credit losses:", "label": "Financing Receivable, Credit Loss, Expense (Reversal), Other Impacts", "documentation": "Financing Receivable, Credit Loss, Expense (Reversal), Other Impacts" } } }, "auth_ref": [] }, "us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableCreditQualityIndicatorsTableTextBlock", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Private Education Loan Portfolio Stratified by Key Credit Quality Indicators", "label": "Financing Receivable Credit Quality Indicators [Table Text Block]", "documentation": "Tabular disclosure of financing receivables by credit quality indicator. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics." } } }, "auth_ref": [ "r162", "r1051" ] }, "us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 3.0 }, "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited", "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfoliobyProgramDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Loans held for investment (net of allowance for losses of $1,413,621 and $1,339,772, respectively)", "totalLabel": "Private Education Loans, net", "label": "Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss", "documentation": "Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease." } } }, "auth_ref": [ "r1048" ] }, "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossLoanSold": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossLoanSold", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Loan sale reduction to provision", "terseLabel": "Loan sale reduction to provision", "label": "Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Loan Sold", "documentation": "Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from sale of loan. Excludes net investment in lease." } } }, "auth_ref": [ "r1049" ] }, "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery", "weight": -1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Recoveries", "totalLabel": "Current period recoveries, total", "label": "Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery", "documentation": "Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease." } } }, "auth_ref": [ "r358" ] }, "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Charge-offs", "negatedTotalLabel": "Current period gross charge-offs, total", "label": "Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff", "documentation": "Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease." } } }, "auth_ref": [ "r357", "r369" ] }, "us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": null, "weight": null, "order": null, "root": true }, "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails_1": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Net charge-offs", "negatedTotalLabel": "Current period net charge-offs, total", "label": "Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff (Recovery)", "documentation": "Amount, excluding accrued interest, of decrease (increase) in allowance for credit loss on financing receivable from writeoff (recovery). Excludes net investment in lease." } } }, "auth_ref": [ "r1049" ] }, "us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfoliobyProgramDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loan type", "totalLabel": "Loan type", "label": "Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss", "documentation": "Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease." } } }, "auth_ref": [ "r364", "r368", "r1048" ] }, "slm_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossesLoanModificationsAmortizedCost": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossesLoanModificationsAmortizedCost", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivableswithLoanModificationsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Amortized Cost Basis", "label": "Financing Receivable, Excluding Accrued Interest, Before Allowance For Credit Losses, Loan Modifications, Amortized Cost", "documentation": "Financing Receivable, Excluding Accrued Interest, Before Allowance For Credit Losses, Loan Modifications, Amortized Cost" } } }, "auth_ref": [] }, "us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Provision for current period", "label": "Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal)", "documentation": "Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease." } } }, "auth_ref": [ "r356" ] }, "us-gaap_FinancingReceivableExcludingAccruedInterestModifiedAccumulated": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableExcludingAccruedInterestModifiedAccumulated", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Financial receivable, excluding accrued interest, modified, accumulated", "label": "Financing Receivable, Excluding Accrued Interest, Modified, Accumulated", "documentation": "Accumulated amortized cost excluding accrued interest, of financing receivable modified for debtor experiencing financial difficulty." } } }, "auth_ref": [ "r1029" ] }, "slm_FinancingReceivableExcludingAccruedInterestModifiedChargedOff": { "xbrltype": "integerItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableExcludingAccruedInterestModifiedChargedOff", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Financing receivable, excluding accrued interest, modified, charged off", "label": "Financing Receivable, Excluding Accrued Interest, Modified, Charged Off", "documentation": "Financing Receivable, Excluding Accrued Interest, Modified, Charged Off" } } }, "auth_ref": [] }, "us-gaap_FinancingReceivableExcludingAccruedInterestModifiedSubsequentDefault": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableExcludingAccruedInterestModifiedSubsequentDefault", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Financial receivable, excluding accrued interest, modified, subsequent default", "label": "Financing Receivable, Excluding Accrued Interest, Modified, Subsequent Default", "documentation": "Amortized cost excluding accrued interest, of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty." } } }, "auth_ref": [ "r310" ] }, "slm_FinancingReceivableExcludingAccruedInterestModifiedSubsequentDefaultUnpaidPrincipalBalance": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableExcludingAccruedInterestModifiedSubsequentDefaultUnpaidPrincipalBalance", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Financing receivable, excluding accrued interest, modified, subsequent default, unpaid principal balance", "label": "Financing Receivable, Excluding Accrued Interest, Modified, Subsequent Default, Unpaid Principal Balance", "documentation": "Financing Receivable, Excluding Accrued Interest, Modified, Subsequent Default, Unpaid Principal Balance" } } }, "auth_ref": [] }, "us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "After Year 5", "label": "Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year", "documentation": "Amortized cost excluding accrued interest, of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease." } } }, "auth_ref": [ "r364", "r369", "r842" ] }, "us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Year 5", "label": "Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year", "documentation": "Amortized cost excluding accrued interest, of financing receivable originated four years prior to current fiscal year. Excludes net investment in lease." } } }, "auth_ref": [ "r364", "r369", "r842" ] }, "us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Year 4", "label": "Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year", "documentation": "Amortized cost excluding accrued interest, of financing receivable originated three years prior to current fiscal year. Excludes net investment in lease." } } }, "auth_ref": [ "r364", "r369", "r842" ] }, "us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Year 1", "label": "Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year", "documentation": "Amortized cost excluding accrued interest, of financing receivable originated in current fiscal year. Excludes net investment in lease." } } }, "auth_ref": [ "r364", "r369", "r842" ] }, "us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Year 3", "label": "Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year", "documentation": "Amortized cost excluding accrued interest, of financing receivable originated two years prior to current fiscal year. Excludes net investment in lease." } } }, "auth_ref": [ "r364", "r369", "r842" ] }, "us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Year 2", "label": "Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year", "documentation": "Amortized cost excluding accrued interest of financing receivable originated in fiscal year prior to current fiscal year. Excludes net investment in lease." } } }, "auth_ref": [ "r364", "r369", "r842" ] }, "slm_FinancingReceivableIncrementsInWhichForbearanceIsGranted": { "xbrltype": "durationItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableIncrementsInWhichForbearanceIsGranted", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Increments in which forbearance is granted", "label": "Financing Receivable, Increments In Which Forbearance Is Granted", "documentation": "Financing Receivable, Increments In Which Forbearance Is Granted" } } }, "auth_ref": [] }, "slm_FinancingReceivableLoansInForbearanceBeforeAllowanceForCreditLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableLoansInForbearanceBeforeAllowanceForCreditLoss", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total Private Education Loans in forbearance", "label": "Financing Receivable, Loans In Forbearance, before Allowance for Credit Loss", "documentation": "Financing Receivable, Loans In Forbearance, before Allowance for Credit Loss" } } }, "auth_ref": [] }, "slm_FinancingReceivableLoansInForbearanceOriginatedInCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableLoansInForbearanceOriginatedInCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_FinancingReceivableLoansInForbearanceBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans in forbearance, Year 1", "label": "Financing Receivable, Loans In Forbearance, Originated In Current Fiscal Year", "documentation": "Financing Receivable, Loans In Forbearance, Originated In Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableLoansInForbearanceYearFiveOriginatedFourYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableLoansInForbearanceYearFiveOriginatedFourYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_FinancingReceivableLoansInForbearanceBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans in forbearance, Year 5", "label": "Financing Receivable, Loans In Forbearance, Year Five, Originated, Four Years before Current Fiscal Year", "documentation": "Financing Receivable, Loans In Forbearance, Year Five, Originated, Four Years before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableLoansInForbearanceYearFourOriginatedThreeYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableLoansInForbearanceYearFourOriginatedThreeYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_FinancingReceivableLoansInForbearanceBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans in forbearance, Year 4", "label": "Financing Receivable, Loans In Forbearance, Year Four, Originated, Three Years before Current Fiscal Year", "documentation": "Financing Receivable, Loans In Forbearance, Year Four, Originated, Three Years before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableLoansInForbearanceYearSixOriginatedMoreThanSixYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableLoansInForbearanceYearSixOriginatedMoreThanSixYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_FinancingReceivableLoansInForbearanceBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans in forbearance, After Year 5", "label": "Financing Receivable, Loans In Forbearance, Year Six, Originated, More Than Six Years before Current Fiscal Year", "documentation": "Financing Receivable, Loans In Forbearance, Year Six, Originated, More Than Six Years before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableLoansInForbearanceYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableLoansInForbearanceYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_FinancingReceivableLoansInForbearanceBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans in forbearance, Year 3", "label": "Financing Receivable, Loans In Forbearance, Year Three, Originated, Two Years before Current Fiscal Year", "documentation": "Financing Receivable, Loans In Forbearance, Year Three, Originated, Two Years before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_FinancingReceivableLoansInForbearanceYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableLoansInForbearanceYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_FinancingReceivableLoansInForbearanceBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans in forbearance, Year 2", "label": "Financing Receivable, Loans In Forbearance, Year Two, Originated, Fiscal Year before Current Fiscal Year", "documentation": "Financing Receivable, Loans In Forbearance, Year Two, Originated, Fiscal Year before Current Fiscal Year" } } }, "auth_ref": [] }, "us-gaap_FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Financial receivable, excluding accrued interest, modified in period, to total financing receivables, percentage", "label": "Financing Receivable, Excluding Accrued Interest, Modified in Period, to Total Financing Receivables, Percentage", "documentation": "Percentage, excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables." } } }, "auth_ref": [ "r306" ] }, "us-gaap_FinancingReceivableModificationToTotalFinancingReceivablesPercent": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableModificationToTotalFinancingReceivablesPercent", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPasDueLoansDelinquenciesDefermentDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Financing receivable, modified in period, to total financing receivable, percentage", "label": "Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage", "documentation": "Percentage of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables." } } }, "auth_ref": [ "r306", "r835" ] }, "us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableModificationsPostModificationRecordedInvestment2", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPasDueLoansDelinquenciesDefermentDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivablesthatSubsequentlyDefaultedDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesPaymentStatusAmortizedCostBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Modified Loans", "verboseLabel": "Financing receivable, modified in period, amount", "label": "Financing Receivable, Modified in Period, Amount", "documentation": "Amortized cost of financing receivable modified during period for debtor experiencing financial difficulty." } } }, "auth_ref": [ "r164", "r306", "r835" ] }, "us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivablesthatSubsequentlyDefaultedDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Payment Default", "label": "Financing Receivable, Modified, Subsequent Default", "documentation": "Amortized cost of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty." } } }, "auth_ref": [ "r165", "r310", "r835" ] }, "us-gaap_FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification": { "xbrltype": "durationItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Financing receivable, modified, weighted average term increase from modification", "label": "Financing Receivable, Modified, Weighted Average Term Increase from Modification", "documentation": "Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days." } } }, "auth_ref": [ "r835" ] }, "slm_FinancingReceivableMonthLimitOnForbearanceGrantedLifeOfLoan": { "xbrltype": "durationItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableMonthLimitOnForbearanceGrantedLifeOfLoan", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Maximum amount of forbearance granted", "label": "Financing Receivable, Month Limit On Forbearance Granted, Life Of Loan", "documentation": "Financing Receivable, Month Limit On Forbearance Granted, Life Of Loan" } } }, "auth_ref": [] }, "slm_FinancingReceivableNumberOfMonthlyPaymentsRequiredBetweenForbearanceGrants": { "xbrltype": "integerItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableNumberOfMonthlyPaymentsRequiredBetweenForbearanceGrants", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Number of monthly payments required by a borrower between successive grants of forbearance", "label": "Financing Receivable, Number Of Monthly Payments Required Between Forbearance Grants", "documentation": "Financing Receivable, Number Of Monthly Payments Required Between Forbearance Grants" } } }, "auth_ref": [] }, "us-gaap_FinancingReceivablePortfolioSegmentAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivablePortfolioSegmentAxis", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Financing Receivable Portfolio Segment [Axis]", "label": "Financing Receivable Portfolio Segment [Axis]", "documentation": "Information by the level at which an entity develops and documents a systematic methodology to determine its allowance for credit losses." } } }, "auth_ref": [ "r184", "r185", "r188", "r189", "r354", "r355", "r837", "r983", "r984", "r985", "r986", "r987", "r988", "r989", "r991", "r992", "r993" ] }, "us-gaap_FinancingReceivablePortfolioSegmentDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivablePortfolioSegmentDomain", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Financing Receivable Portfolio Segment [Domain]", "label": "Financing Receivable Portfolio Segment [Domain]", "documentation": "Level at which an entity develops and documents a systematic methodology to determine its allowance for credit losses." } } }, "auth_ref": [ "r184", "r185", "r188", "r189", "r983", "r984", "r985", "r986", "r987", "r988", "r989", "r991", "r992", "r993" ] }, "us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails", "http://www.salliemae.com/role/BorrowingsNarrativeDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentNarrativeDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfolioAverageBalancesDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfoliobyProgramDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Class of Financing Receivable [Axis]", "label": "Class of Financing Receivable [Axis]", "documentation": "Information by class of financing receivable determined on the basis of initial measurement attribute, risk characteristics and method of monitoring and assessing credit risk." } } }, "auth_ref": [ "r163", "r166", "r167", "r168", "r184", "r185", "r188", "r189", "r304", "r306", "r307", "r308", "r310", "r359", "r360", "r367", "r835", "r838", "r839", "r842", "r843", "r983", "r984", "r985", "r986", "r987", "r988", "r989", "r991", "r992", "r993", "r1031" ] }, "us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails", "http://www.salliemae.com/role/BorrowingsNarrativeDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentNarrativeDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfolioAverageBalancesDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfoliobyProgramDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Class of Financing Receivable [Domain]", "label": "Class of Financing Receivable [Domain]", "documentation": "Financing receivables determined on the basis of initial measurement attribute, risk characteristics and method of monitoring and assessing credit risk." } } }, "auth_ref": [ "r168", "r184", "r185", "r188", "r189", "r304", "r306", "r307", "r308", "r310", "r835", "r983", "r984", "r985", "r986", "r987", "r988", "r989", "r991", "r992", "r993", "r1031" ] }, "us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableRecordedInvestmentPastDueLineItems", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAccruedInterestReceivableDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPasDueLoansDelinquenciesDefermentDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Financing Receivable, Past Due [Line Items]", "label": "Financing Receivable, Past Due [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r843", "r1050" ] }, "slm_FinancingReceivableTemporaryInterestRateReductionFinancialDifficultyStatus": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableTemporaryInterestRateReductionFinancialDifficultyStatus", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Interest rate offered to borrowers facing financial difficulty", "label": "Financing Receivable, Temporary Interest Rate Reduction, Financial Difficulty Status", "documentation": "Financing Receivable, Temporary Interest Rate Reduction, Financial Difficulty Status" } } }, "auth_ref": [] }, "slm_FinancingReceivableTemporaryInterestRateReductionPeriod": { "xbrltype": "durationItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableTemporaryInterestRateReductionPeriod", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Temporary interest rate reduction, period", "label": "Financing Receivable, Temporary Interest Rate Reduction, Period", "documentation": "Financing Receivable, Temporary Interest Rate Reduction, Period" } } }, "auth_ref": [] }, "slm_FinancingReceivableThresholdPeriodForPaymentDefault": { "xbrltype": "durationItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableThresholdPeriodForPaymentDefault", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivablesthatSubsequentlyDefaultedDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Threshold period for payment default", "label": "Financing Receivable, Threshold Period For Payment Default", "documentation": "Financing Receivable, Threshold Period For Payment Default" } } }, "auth_ref": [] }, "slm_FinancingReceivableTroubledDebtRestructuringWriteDown": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivableTroubledDebtRestructuringWriteDown", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivablesthatSubsequentlyDefaultedDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Charge-Offs", "label": "Financing Receivable, Troubled Debt Restructuring, Write-Down", "documentation": "Financing Receivable, Troubled Debt Restructuring, Write-Down" } } }, "auth_ref": [] }, "us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfoliobyProgramDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Deferred origination costs and unamortized premium/(discount)", "label": "Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount)", "documentation": "Amount of unamortized loan commitment, origination, and other costs (fees) and purchase premium (discount) on financing receivable recognized as adjustment to yield. Excludes financing receivable covered under loss sharing agreement." } } }, "auth_ref": [ "r980", "r1028", "r1032" ] }, "us-gaap_FinancingReceivables30To59DaysPastDueMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivables30To59DaysPastDueMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPasDueLoansDelinquenciesDefermentDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesPaymentStatusAmortizedCostBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loan delinquent 30-59 days", "verboseLabel": "30-59 Days Past Due", "label": "Financial Asset, 30 to 59 Days Past Due [Member]", "documentation": "Financial asset more than 29 days past due but fewer than 60 days past due." } } }, "auth_ref": [ "r843" ] }, "us-gaap_FinancingReceivables60To89DaysPastDueMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivables60To89DaysPastDueMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPasDueLoansDelinquenciesDefermentDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesPaymentStatusAmortizedCostBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loan delinquent 60-89 days", "verboseLabel": "60-89 Days Past Due", "label": "Financial Asset, 60 to 89 Days Past Due [Member]", "documentation": "Financial asset more than 59 days past due but fewer than 90 days past due." } } }, "auth_ref": [ "r843" ] }, "slm_FinancingReceivablesAmortizedCostBasisTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FinancingReceivablesAmortizedCostBasisTableTextBlock", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Amortized Cost Basis of Financing Receivables", "label": "Financing Receivables, Amortized Cost Basis [Table Text Block]", "documentation": "Financing Receivables, Amortized Cost Basis" } } }, "auth_ref": [] }, "us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivablesEqualToGreaterThan90DaysPastDueMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAccruedInterestReceivableDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPasDueLoansDelinquenciesDefermentDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesPaymentStatusAmortizedCostBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loan delinquent 90 days or greater past due", "verboseLabel": "90 Days or Greater Past Due", "label": "Financial Asset, Equal to or Greater than 90 Days Past Due [Member]", "documentation": "Financial asset equal to or greater than 90 days past due." } } }, "auth_ref": [ "r843" ] }, "us-gaap_FinancingReceivablesPeriodPastDueAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivablesPeriodPastDueAxis", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAccruedInterestReceivableDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPasDueLoansDelinquenciesDefermentDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivablesthatSubsequentlyDefaultedDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesPaymentStatusAmortizedCostBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Financial Asset, Period Past Due [Axis]", "label": "Financial Asset, Aging [Axis]", "documentation": "Information by period in which financial asset is past due or not past due." } } }, "auth_ref": [ "r167", "r359", "r843" ] }, "us-gaap_FinancingReceivablesPeriodPastDueDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FinancingReceivablesPeriodPastDueDomain", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAccruedInterestReceivableDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPasDueLoansDelinquenciesDefermentDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivablesthatSubsequentlyDefaultedDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesPaymentStatusAmortizedCostBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Financial Asset, Period Past Due [Domain]", "label": "Financial Asset, Aging [Domain]", "documentation": "Period in which financial asset is past due or not past due. For past due, element name and standard label in Financial Asset, [numeric lower end] to [numeric higher end] [date measure] Past Due [Member] or Financial Asset, Greater than [low end numeric value] [date measure] Past Due [Member] or Financial Asset, Less than [high end numeric value] [date measure] Past Due [Member] formats." } } }, "auth_ref": [ "r167", "r359", "r843" ] }, "us-gaap_FiniteLivedIntangibleAssetUsefulLife": { "xbrltype": "durationItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FiniteLivedIntangibleAssetUsefulLife", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Useful Life (in years)", "label": "Finite-Lived Intangible Asset, Useful Life", "documentation": "Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days." } } }, "auth_ref": [] }, "us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FiniteLivedIntangibleAssetsAccumulatedAmortization", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails": { "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Accumulated Amortization", "label": "Finite-Lived Intangible Assets, Accumulated Amortization", "documentation": "Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life." } } }, "auth_ref": [ "r207", "r388", "r397", "r846" ] }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Expected amortization of 2024", "label": "Finite-Lived Intangible Asset, Expected Amortization, Year One", "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r399", "r822", "r846" ] }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearFour", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Expected amortization of 2027", "label": "Finite-Lived Intangible Asset, Expected Amortization, Year Four", "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r399", "r822", "r846" ] }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearThree", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Expected amortization of 2026", "label": "Finite-Lived Intangible Asset, Expected Amortization, Year Three", "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r399", "r822", "r846" ] }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Expected amortization of 2025", "label": "Finite-Lived Intangible Asset, Expected Amortization, Year Two", "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r399", "r822", "r846" ] }, "us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FiniteLivedIntangibleAssetsByMajorClassAxis", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Finite-Lived Intangible Assets by Major Class [Axis]", "label": "Finite-Lived Intangible Assets by Major Class [Axis]", "documentation": "Information by major type or class of finite-lived intangible assets." } } }, "auth_ref": [ "r390", "r392", "r393", "r394", "r396", "r397", "r400", "r401", "r643", "r644", "r822" ] }, "us-gaap_FiniteLivedIntangibleAssetsGross": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FiniteLivedIntangibleAssetsGross", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails": { "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Cost Basis", "label": "Finite-Lived Intangible Assets, Gross", "documentation": "Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life." } } }, "auth_ref": [ "r388", "r397", "r644", "r846" ] }, "us-gaap_FiniteLivedIntangibleAssetsLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FiniteLivedIntangibleAssetsLineItems", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Finite-Lived Intangible Assets [Line Items]", "label": "Finite-Lived Intangible Assets [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r390", "r397", "r400", "r401", "r402", "r643", "r822", "r846" ] }, "us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FiniteLivedIntangibleAssetsMajorClassNameDomain", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Finite-Lived Intangible Assets, Major Class Name [Domain]", "label": "Finite-Lived Intangible Assets, Major Class Name [Domain]", "documentation": "The major class of finite-lived intangible asset (for example, patents, trademarks, copyrights, etc.) A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company." } } }, "auth_ref": [ "r390", "r392", "r393", "r394", "r396", "r397", "r400", "r401", "r822" ] }, "us-gaap_FiniteLivedIntangibleAssetsNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FiniteLivedIntangibleAssetsNet", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Net", "label": "Finite-Lived Intangible Assets, Net", "documentation": "Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life." } } }, "auth_ref": [ "r643", "r1066" ] }, "us-gaap_FixedIncomeInterestRateMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "FixedIncomeInterestRateMember", "presentation": [ "http://www.salliemae.com/role/BorrowingsCompanyBorrowingsDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfoliobyProgramDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Fixed-rate", "terseLabel": "Fixed-rate", "label": "Fixed Income Interest Rate [Member]", "documentation": "Trading in a derivative or nonderivative instrument that provides a return in the form of fixed periodic payments of interest and eventual return of principal at maturity." } } }, "auth_ref": [ "r72" ] }, "slm_FixedPayLoanMonthlyPaymentAmountBelowMonthlyAccruedInterest": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FixedPayLoanMonthlyPaymentAmountBelowMonthlyAccruedInterest", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Monthly payment that is smaller than the interest accrued on the loan in that month", "label": "Fixed-Pay Loan, Monthly Payment Amount, Below Monthly Accrued Interest", "documentation": "Fixed-Pay Loan, Monthly Payment Amount, Below Monthly Accrued Interest" } } }, "auth_ref": [] }, "slm_FloatingRateNonCumulativePreferredStockSeriesBParValue20PerShareMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "FloatingRateNonCumulativePreferredStockSeriesBParValue20PerShareMember", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Floating Rate Non-Cumulative Preferred Stock, Series B, par value $.20 per share", "label": "Floating Rate Non-Cumulative Preferred Stock, Series B, par value $.20 per share [Member]", "documentation": "Floating Rate Non-Cumulative Preferred Stock, Series B, par value $.20 per share" } } }, "auth_ref": [] }, "ecd_ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Forgone Recovery due to Disqualification of Tax Benefits, Amount", "label": "Forgone Recovery due to Disqualification of Tax Benefits, Amount" } } }, "auth_ref": [ "r906", "r916", "r926", "r958" ] }, "ecd_ForgoneRecoveryDueToExpenseOfEnforcementAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "ForgoneRecoveryDueToExpenseOfEnforcementAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Forgone Recovery due to Expense of Enforcement, Amount", "label": "Forgone Recovery due to Expense of Enforcement, Amount" } } }, "auth_ref": [ "r906", "r916", "r926", "r958" ] }, "ecd_ForgoneRecoveryDueToViolationOfHomeCountryLawAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "ForgoneRecoveryDueToViolationOfHomeCountryLawAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Forgone Recovery due to Violation of Home Country Law, Amount", "label": "Forgone Recovery due to Violation of Home Country Law, Amount" } } }, "auth_ref": [ "r906", "r916", "r926", "r958" ] }, "ecd_ForgoneRecoveryExplanationOfImpracticabilityTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "ForgoneRecoveryExplanationOfImpracticabilityTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Forgone Recovery, Explanation of Impracticability", "label": "Forgone Recovery, Explanation of Impracticability [Text Block]" } } }, "auth_ref": [ "r906", "r916", "r926", "r958" ] }, "ecd_ForgoneRecoveryIndName": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "ForgoneRecoveryIndName", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Name", "label": "Forgone Recovery, Individual Name" } } }, "auth_ref": [ "r906", "r916", "r926", "r958" ] }, "ecd_FrValAsOfPrrYrEndOfEqtyAwrdsGrntdInPrrYrsFldVstngCondsDrngCvrdYrMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "FrValAsOfPrrYrEndOfEqtyAwrdsGrntdInPrrYrsFldVstngCondsDrngCvrdYrMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year", "label": "Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member]" } } }, "auth_ref": [ "r939" ] }, "us-gaap_GainLossOnFairValueHedgesRecognizedInEarnings": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "GainLossOnFairValueHedgesRecognizedInEarnings", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails": { "parentTag": "us-gaap_DerivativeGainLossOnDerivativeNet", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Interest recognized on derivatives", "label": "Gain (Loss) on Fair Value Hedges Recognized in Earnings", "documentation": "Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period." } } }, "auth_ref": [ "r70" ] }, "us-gaap_GainLossOnFairValueHedgesRecognizedInEarningsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "GainLossOnFairValueHedgesRecognizedInEarningsAbstract", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value Hedges", "label": "Gain (Loss) on Fair Value Hedges Recognized in Earnings [Abstract]" } } }, "auth_ref": [] }, "us-gaap_GainLossOnInvestmentsMember1": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "GainLossOnInvestmentsMember1", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValueMeasurementInputsandValuationTechniquesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Gains (losses) on securities, net", "label": "Gain (Loss) on Investments [Member]", "documentation": "Primary financial statement caption encompassing gain (loss) on investments." } } }, "auth_ref": [] }, "us-gaap_GainLossOnSaleOfNotesReceivable": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "GainLossOnSaleOfNotesReceivable", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/LoansHeldforInvestmentNarrativeDetails", "http://www.salliemae.com/role/LoansHeldforSaleDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Gain on sales of loans, net", "verboseLabel": "Gain (loss) on sale of financing receivable", "label": "Gain (Loss) on Sale of Financing Receivable", "documentation": "Amount of gain (loss) on sale of financing receivable." } } }, "auth_ref": [ "r622" ] }, "us-gaap_GainLossOnSalesOfLoansNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "GainLossOnSalesOfLoansNet", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_NoninterestIncome", "weight": 1.0, "order": 3.0 }, "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 5.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited", "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Gains (losses) on sales of loans, net", "negatedTerseLabel": "Gains on sales of loans, net", "label": "Gain (Loss) on Sales of Loans, Net", "documentation": "The net gain (loss) resulting from a sale of loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes." } } }, "auth_ref": [ "r5", "r142" ] }, "us-gaap_GainLossOnSalesOfMortgageBackedSecuritiesMBS": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "GainLossOnSalesOfMortgageBackedSecuritiesMBS", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_NoninterestIncome", "weight": 1.0, "order": 1.0 }, "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited", "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Gains (losses) on securities, net", "negatedTerseLabel": "Gains on securities, net", "label": "Gain (Loss) on Sales of Mortgage-Backed Securities (MBS)", "documentation": "Net gain (loss) resulting from the sales of securitized, pay-through debt securities collateralized by real estate mortgage loans (mortgages)." } } }, "auth_ref": [ "r142" ] }, "us-gaap_Goodwill": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "Goodwill", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Goodwill", "label": "Goodwill", "documentation": "Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized." } } }, "auth_ref": [ "r206", "r389", "r647", "r834", "r845", "r865", "r876", "r1056", "r1057" ] }, "us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "GoodwillAndIntangibleAssetsDisclosureAbstract", "lang": { "en-us": { "role": { "label": "Goodwill and Intangible Assets Disclosure [Abstract]" } } }, "auth_ref": [] }, "us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "GoodwillAndIntangibleAssetsDisclosureTextBlock", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssets" ], "lang": { "en-us": { "role": { "terseLabel": "Goodwill and Acquired Intangible Assets", "label": "Goodwill and Intangible Assets Disclosure [Text Block]", "documentation": "The entire disclosure for goodwill and intangible assets." } } }, "auth_ref": [ "r1055", "r1058" ] }, "slm_GreaterThanNinetyDaysPastDueAccruedInterestReceivable": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "GreaterThanNinetyDaysPastDueAccruedInterestReceivable", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAccruedInterestReceivableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "90 Days or Greater Past Due", "label": "Greater Than Ninety Days Past Due Accrued Interest Receivable", "documentation": "Greater than ninety days past due accrued interest receivable." } } }, "auth_ref": [] }, "us-gaap_HedgedAssetFairValueHedgeCumulativeIncreaseDecrease": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "HedgedAssetFairValueHedgeCumulativeIncreaseDecrease", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsScheduleofHedgedItemsRecordedinStatementofFinancialPositionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets/(Liabilities)", "label": "Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease)", "documentation": "Amount of cumulative increase (decrease) in fair value of hedged asset in fair value hedge, attributable to hedged risk." } } }, "auth_ref": [ "r542", "r863" ] }, "us-gaap_HedgedLiabilityFairValueHedge": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "HedgedLiabilityFairValueHedge", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsScheduleofHedgedItemsRecordedinStatementofFinancialPositionDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Carrying Amount of the Hedged Assets/(Liabilities)", "label": "Hedged Liability, Fair Value Hedge", "documentation": "Amount of liability hedged in fair value hedging relationship." } } }, "auth_ref": [ "r541" ] }, "us-gaap_HedgingDesignationAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "HedgingDesignationAxis", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedBalanceSheetDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNotionalValuesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Hedging Designation [Axis]", "label": "Hedging Designation [Axis]", "documentation": "Information by designation of purpose of derivative instrument." } } }, "auth_ref": [ "r12", "r540" ] }, "us-gaap_HedgingDesignationDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "HedgingDesignationDomain", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedBalanceSheetDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNotionalValuesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Hedging Designation [Domain]", "label": "Hedging Designation [Domain]", "documentation": "Designation of purpose of derivative instrument." } } }, "auth_ref": [ "r12" ] }, "us-gaap_HedgingRelationshipDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "HedgingRelationshipDomain", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedBalanceSheetDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNotionalValuesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Hedging Relationship [Domain]", "label": "Hedging Relationship [Domain]", "documentation": "Nature or intent of a hedge." } } }, "auth_ref": [ "r12" ] }, "us-gaap_ImpairmentOfIntangibleAssetsFinitelived": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ImpairmentOfIntangibleAssetsFinitelived", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Impairment of intangible assets", "label": "Impairment of Intangible Assets, Finite-Lived", "documentation": "The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value." } } }, "auth_ref": [ "r391", "r1008", "r1070" ] }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_ProfitLoss", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Income (loss) before income tax expense (benefit)", "label": "Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest", "documentation": "Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest." } } }, "auth_ref": [ "r106", "r145", "r156", "r654", "r679", "r832", "r833", "r1021", "r1022", "r1023", "r1024", "r1025" ] }, "us-gaap_IncomeStatementAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "IncomeStatementAbstract", "lang": { "en-us": { "role": { "terseLabel": "Income Statement [Abstract]", "label": "Income Statement [Abstract]" } } }, "auth_ref": [] }, "us-gaap_IncomeStatementLocationAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "IncomeStatementLocationAxis", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValueMeasurementInputsandValuationTechniquesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Statement of Income Location, Balance [Axis]", "label": "Statement of Income Location, Balance [Axis]", "documentation": "Information by location in statement of income where disaggregated amount has been reported." } } }, "auth_ref": [ "r404", "r410", "r411", "r566", "r570", "r575", "r688", "r690", "r762", "r822", "r867", "r1132" ] }, "us-gaap_IncomeStatementLocationDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "IncomeStatementLocationDomain", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValueMeasurementInputsandValuationTechniquesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Statement of Income Location, Balance [Domain]", "label": "Statement of Income Location, Balance [Domain]", "documentation": "Location in statement of income where disaggregated amount has been reported." } } }, "auth_ref": [ "r410", "r411", "r566", "r570", "r575", "r688", "r690", "r762", "r822", "r867", "r1132" ] }, "us-gaap_IncomeTaxExpenseBenefit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "IncomeTaxExpenseBenefit", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_ProfitLoss", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Income tax expense (benefit)", "label": "Income Tax Expense (Benefit)", "documentation": "Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations." } } }, "auth_ref": [ "r177", "r180", "r268", "r269", "r293", "r299", "r302", "r512", "r513", "r516", "r686", "r859" ] }, "us-gaap_IncomeTaxReceivable": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "IncomeTaxReceivable", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "verboseLabel": "Income taxes receivable, net", "label": "Income Taxes Receivable", "documentation": "Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable." } } }, "auth_ref": [ "r1001" ] }, "us-gaap_IncomeTaxesPaid": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "IncomeTaxesPaid", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Income taxes paid", "label": "Income Taxes Paid", "documentation": "Amount, before refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax." } } }, "auth_ref": [ "r28", "r111", "r1009", "r1090", "r1091" ] }, "us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "IncreaseDecreaseInAccruedIncomeTaxesPayable", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 20.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Decrease in income taxes payable, net", "label": "Increase (Decrease) in Income Taxes Payable", "documentation": "The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction." } } }, "auth_ref": [ "r4" ] }, "us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "IncreaseDecreaseInAccruedInterestReceivableNet", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 10.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "negatedLabel": "Increase in accrued interest receivable", "label": "Increase (Decrease) in Accrued Interest Receivable, Net", "documentation": "The increase (decrease) during the reporting period in the amount due from borrowers for interest payments." } } }, "auth_ref": [ "r4" ] }, "us-gaap_IncreaseDecreaseInEquitySecuritiesFvNi": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "IncreaseDecreaseInEquitySecuritiesFvNi", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 11.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Increase in non-marketable securities", "label": "Increase (Decrease) in Equity Securities, FV-NI", "documentation": "Amount of increase (decrease) of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI)." } } }, "auth_ref": [ "r176", "r244" ] }, "us-gaap_IncreaseDecreaseInInterestPayableNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "IncreaseDecreaseInInterestPayableNet", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 12.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "(Decrease) increase in accrued interest payable", "label": "Increase (Decrease) in Interest Payable, Net", "documentation": "The increase (decrease) during the reporting period in interest payable, which represents the amount owed to note holders, bond holders, and other parties for interest earned on loans or credit extended to the reporting entity." } } }, "auth_ref": [ "r4" ] }, "us-gaap_IncreaseDecreaseInOperatingAssetsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "IncreaseDecreaseInOperatingAssetsAbstract", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Changes in operating assets and liabilities:", "label": "Increase (Decrease) in Operating Assets [Abstract]" } } }, "auth_ref": [] }, "us-gaap_IncreaseDecreaseInOtherOperatingAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "IncreaseDecreaseInOtherOperatingAssets", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 6.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Increase in other assets", "label": "Increase (Decrease) in Other Operating Assets", "documentation": "Amount of increase (decrease) in operating assets classified as other." } } }, "auth_ref": [ "r4" ] }, "us-gaap_IncreaseDecreaseInOtherOperatingLiabilities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "IncreaseDecreaseInOtherOperatingLiabilities", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Decrease in other liabilities", "label": "Increase (Decrease) in Other Operating Liabilities", "documentation": "Amount of increase (decrease) in operating liabilities classified as other." } } }, "auth_ref": [ "r4" ] }, "us-gaap_IncreaseDecreaseInStockholdersEquityRollForward": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "IncreaseDecreaseInStockholdersEquityRollForward", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Increase (Decrease) in Stockholders' Equity [Roll Forward]", "label": "Increase (Decrease) in Stockholders' Equity [Roll Forward]", "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period." } } }, "auth_ref": [] }, "us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "IncrementalCommonSharesAttributableToShareBasedPaymentArrangements", "calculation": { "http://www.salliemae.com/role/EarningsLossperCommonShareDetails": { "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/EarningsLossperCommonShareDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Dilutive effect of stock options, restricted stock, restricted stock units, performance stock units, and Employee Stock Purchase Plan (\u201cESPP\u201d) (in shares)", "label": "Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements", "documentation": "Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method." } } }, "auth_ref": [ "r276", "r277", "r278", "r288", "r484" ] }, "ecd_IndividualAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "IndividualAxis", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure", "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure", "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements", "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Individual:", "label": "Individual [Axis]" } } }, "auth_ref": [ "r906", "r916", "r926", "r950", "r958", "r962", "r970" ] }, "us-gaap_IndustryOfCounterpartyDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "IndustryOfCounterpartyDomain", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPasDueLoansDelinquenciesDefermentDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivablesthatSubsequentlyDefaultedDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivableswithLoanModificationsDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesPaymentStatusAmortizedCostBasisDetails", "http://www.salliemae.com/role/LoansHeldforSaleDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Industry of Counterparty [Domain]", "label": "Industry of Counterparty [Domain]", "documentation": "The industry of the party or parties having primary responsibility to meet the obligations of the arrangement with the entity." } } }, "auth_ref": [] }, "ecd_InsiderTradingArrLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "InsiderTradingArrLineItems", "lang": { "en-us": { "role": { "label": "Insider Trading Arrangements [Line Items]" } } }, "auth_ref": [ "r968" ] }, "ecd_InsiderTradingPoliciesProcLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "InsiderTradingPoliciesProcLineItems", "lang": { "en-us": { "role": { "label": "Insider Trading Policies and Procedures [Line Items]" } } }, "auth_ref": [ "r898", "r974" ] }, "ecd_InsiderTrdPoliciesProcAdoptedFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "InsiderTrdPoliciesProcAdoptedFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc" ], "lang": { "en-us": { "role": { "terseLabel": "Insider Trading Policies and Procedures Adopted", "label": "Insider Trading Policies and Procedures Adopted [Flag]" } } }, "auth_ref": [ "r898", "r974" ] }, "ecd_InsiderTrdPoliciesProcNotAdoptedTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "InsiderTrdPoliciesProcNotAdoptedTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc" ], "lang": { "en-us": { "role": { "terseLabel": "Insider Trading Policies and Procedures Not Adopted", "label": "Insider Trading Policies and Procedures Not Adopted [Text Block]" } } }, "auth_ref": [ "r898", "r974" ] }, "us-gaap_IntangibleAssetsNetIncludingGoodwill": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "IntangibleAssetsNetIncludingGoodwill", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Goodwill and acquired intangible assets, net", "label": "Intangible Assets, Net (Including Goodwill)", "documentation": "Amount, after impairment and amortization, of goodwill, indefinite-lived, and finite-lived intangible assets." } } }, "auth_ref": [ "r1054" ] }, "us-gaap_InterestAndDividendIncomeOperating": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestAndDividendIncomeOperating", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_InterestIncomeExpenseNet", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Total interest income", "label": "Interest and Dividend Income, Operating", "documentation": "Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein." } } }, "auth_ref": [ "r140", "r146", "r148", "r149", "r150", "r1142" ] }, "us-gaap_InterestAndFeeIncomeLoansAndLeases": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestAndFeeIncomeLoansAndLeases", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_InterestAndDividendIncomeOperating", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Loans", "label": "Interest and Fee Income, Loans and Leases", "documentation": "The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases." } } }, "auth_ref": [ "r140" ] }, "us-gaap_InterestBearingDepositLiabilities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestBearingDepositLiabilities", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DepositsSummaryofTotalDepositsDetails": { "parentTag": "us-gaap_Deposits", "weight": 1.0, "order": 1.0 }, "http://www.salliemae.com/role/DepositsInterestBearingDepositsDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/DepositsInterestBearingDepositsDetails", "http://www.salliemae.com/role/DepositsSummaryofTotalDepositsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Deposits - interest-bearing", "totalLabel": "Deposits - interest bearing", "label": "Interest-Bearing Deposit Liabilities", "documentation": "The aggregate of all domestic and foreign interest-bearing deposit liabilities." } } }, "auth_ref": [ "r133" ] }, "us-gaap_InterestBearingDepositLiabilitiesDomesticByComponentAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestBearingDepositLiabilitiesDomesticByComponentAbstract", "presentation": [ "http://www.salliemae.com/role/DepositsInterestBearingDepositsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Amount", "label": "Interest-Bearing Deposit Liabilities, Domestic, by Component [Abstract]" } } }, "auth_ref": [] }, "slm_InterestBearingDepositsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "InterestBearingDepositsTableTextBlock", "presentation": [ "http://www.salliemae.com/role/DepositsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Interest Bearing Deposits", "label": "Interest Bearing Deposits [Table Text Block]", "documentation": "[Table Text Block] for Interest Bearing Deposits [Table]" } } }, "auth_ref": [] }, "us-gaap_InterestBearingDomesticDepositMoneyMarket": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestBearingDomesticDepositMoneyMarket", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DepositsInterestBearingDepositsDetails": { "parentTag": "us-gaap_InterestBearingDepositLiabilities", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/DepositsInterestBearingDepositsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Money market", "label": "Interest-Bearing Domestic Deposit, Money Market", "documentation": "Amount of interest-bearing domestic money market demand account deposit liabilities." } } }, "auth_ref": [ "r133" ] }, "us-gaap_InterestBearingDomesticDepositSavings": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestBearingDomesticDepositSavings", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DepositsInterestBearingDepositsDetails": { "parentTag": "us-gaap_InterestBearingDepositLiabilities", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/DepositsInterestBearingDepositsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Savings", "label": "Interest-Bearing Domestic Deposit, Savings", "documentation": "Amount of interest-bearing domestic savings deposit liabilities. Saving deposits bear interest and have no stated maturity." } } }, "auth_ref": [ "r133" ] }, "us-gaap_InterestBearingDomesticDepositTimeDeposits": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestBearingDomesticDepositTimeDeposits", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DepositsInterestBearingDepositsDetails": { "parentTag": "us-gaap_InterestBearingDepositLiabilities", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/DepositsInterestBearingDepositsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Certificates of deposit", "label": "Interest-Bearing Domestic Deposit, Time Deposits", "documentation": "Amount of interest-bearing domestic time deposits. Time deposits bear interest for a fixed, stated period of time and include certificate of deposits and individual retirement accounts." } } }, "auth_ref": [ "r133" ] }, "us-gaap_InterestExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestExpense", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Amount of gain (loss) reclassified from accumulated other comprehensive income into interest expense", "label": "Interest Expense, Operating and Nonoperating", "documentation": "Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense." } } }, "auth_ref": [ "r293", "r297", "r298", "r300", "r302", "r595", "r833", "r834" ] }, "us-gaap_InterestExpenseAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestExpenseAbstract", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Interest expense:", "label": "Interest Expense, Operating and Nonoperating [Abstract]" } } }, "auth_ref": [] }, "us-gaap_InterestExpenseDeposits": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestExpenseDeposits", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_InterestExpenseOperating", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Deposits", "label": "Interest Expense, Deposits", "documentation": "Aggregate amount of interest expense on all deposits." } } }, "auth_ref": [ "r151" ] }, "us-gaap_InterestExpenseLongTermDebt": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestExpenseLongTermDebt", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_InterestExpenseOperating", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Interest expense on long-term borrowings", "label": "Interest Expense, Long-Term Debt", "documentation": "Aggregate amount of interest paid or due on all long-term debt." } } }, "auth_ref": [ "r153", "r181", "r182" ] }, "us-gaap_InterestExpenseOperating": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestExpenseOperating", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_InterestIncomeExpenseNet", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Total interest expense", "label": "Interest Expense, Operating", "documentation": "Amount of interest expense classified as operating." } } }, "auth_ref": [ "r298", "r653", "r1005" ] }, "us-gaap_InterestExpenseShortTermBorrowings": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestExpenseShortTermBorrowings", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_InterestExpenseOperating", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Interest expense on short-term borrowings", "label": "Interest Expense, Short-Term Borrowings", "documentation": "The aggregate interest expense incurred on short-term borrowings including commercial paper and Federal funds purchased and securities sold under agreements to repurchase." } } }, "auth_ref": [ "r152", "r181", "r182" ] }, "us-gaap_InterestIncomeDebtSecuritiesAvailableForSaleOperating": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestIncomeDebtSecuritiesAvailableForSaleOperating", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_InterestAndDividendIncomeOperating", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Investments", "label": "Interest Income, Debt Securities, Available-for-Sale, Operating", "documentation": "Amount of interest income, amortization of premium and accretion of discount on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale); classified as operating." } } }, "auth_ref": [] }, "us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestIncomeExpenseAfterProvisionForLoanLoss", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Net interest income after provisions for credit losses", "label": "Interest Income (Expense), after Provision for Loan Loss", "documentation": "Amount of interest income or expense, including any amortization and accretion (as applicable) of discounts and premiums, including consideration of the provisions for loan, lease, credit, and other related losses." } } }, "auth_ref": [ "r141" ] }, "us-gaap_InterestIncomeExpenseNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestIncomeExpenseNet", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Net interest income", "label": "Interest Income (Expense), Operating", "documentation": "Amount of interest income (expense) classified as operating." } } }, "auth_ref": [ "r649", "r1022" ] }, "us-gaap_InterestIncomeMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestIncomeMember", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValueMeasurementInputsandValuationTechniquesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Interest Income - Investments", "label": "Interest Income [Member]", "documentation": "Primary financial statement caption in which reported facts about interest income have been included." } } }, "auth_ref": [] }, "slm_InterestIncomeOnTaxIndemnificationReceivable": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "InterestIncomeOnTaxIndemnificationReceivable", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 9.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Increase in tax indemnification receivable", "label": "Interest Income On Tax Indemnification Receivable", "documentation": "Interest Income On Tax Indemnification Receivable" } } }, "auth_ref": [] }, "us-gaap_InterestPaidNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestPaidNet", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Interest", "label": "Interest Paid, Excluding Capitalized Interest, Operating Activities", "documentation": "Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount." } } }, "auth_ref": [ "r243", "r247", "r248" ] }, "us-gaap_InterestPayableCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestPayableCurrent", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/DepositsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued interest on deposits", "label": "Interest Payable, Current", "documentation": "Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer)." } } }, "auth_ref": [ "r86" ] }, "us-gaap_InterestRateBelowMarketReductionMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestRateBelowMarketReductionMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivablesthatSubsequentlyDefaultedDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivableswithLoanModificationsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Interest Rate Reduction", "label": "Interest Rate Below Market Reduction [Member]", "documentation": "Loan modification for a reduction of stated interest rate to a rate lower than the current market rate for new debt with similar risk." } } }, "auth_ref": [] }, "slm_InterestRateReductionAndTermExtensionMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "InterestRateReductionAndTermExtensionMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivablesthatSubsequentlyDefaultedDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivableswithLoanModificationsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Combination - Interest Rate Reduction and Term Extension", "label": "Interest Rate Reduction And Term Extension [Member]", "documentation": "Interest Rate Reduction And Term Extension" } } }, "auth_ref": [] }, "slm_InterestRateReductionPercentage": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "InterestRateReductionPercentage", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Interest rate reduction", "label": "Interest Rate Reduction, Percentage", "documentation": "Interest Rate Reduction, Percentage" } } }, "auth_ref": [] }, "us-gaap_InterestRateSwapMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestRateSwapMember", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedBalanceSheetDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNotionalValuesDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Interest rate swaps", "terseLabel": "Interest rate swaps", "label": "Interest Rate Swap [Member]", "documentation": "Forward based contracts in which two parties agree to swap periodic payments that are fixed at the outset of the swap contract with variable payments based on a market interest rate (index rate) over a specified period." } } }, "auth_ref": [ "r823", "r888", "r889" ] }, "us-gaap_InterestReceivable": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InterestReceivable", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued interest receivable", "label": "Interest Receivable", "documentation": "Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable." } } }, "auth_ref": [ "r1001", "r1140" ] }, "us-gaap_InvestmentIncomeInterestAndDividendAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InvestmentIncomeInterestAndDividendAbstract", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Interest income:", "label": "Investment Income, Interest and Dividend [Abstract]" } } }, "auth_ref": [] }, "us-gaap_InvestmentTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InvestmentTypeAxis", "presentation": [ "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Investment Type [Axis]", "label": "Investment Type [Axis]", "documentation": "Information by type of investments." } } }, "auth_ref": [ "r719", "r721", "r722", "r724", "r727", "r782", "r784", "r786", "r789", "r790", "r801", "r803", "r804", "r805", "r806", "r807", "r883" ] }, "us-gaap_InvestmentTypeCategorizationMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InvestmentTypeCategorizationMember", "presentation": [ "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Investments [Domain]", "label": "Investments [Domain]", "documentation": "Asset obtained to generate income or appreciate in value." } } }, "auth_ref": [ "r719", "r721", "r722", "r724", "r727", "r782", "r784", "r786", "r789", "r790", "r801", "r803", "r804", "r805", "r806", "r807", "r883" ] }, "us-gaap_Investments": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "Investments", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 9.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Total investments", "label": "Investments", "documentation": "Sum of the carrying amounts as of the balance sheet date of all investments." } } }, "auth_ref": [ "r666", "r667", "r879", "r880" ] }, "us-gaap_InvestmentsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InvestmentsAbstract", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Investments:", "label": "Investments [Abstract]" } } }, "auth_ref": [] }, "us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InvestmentsClassifiedByContractualMaturityDateTableTextBlock", "presentation": [ "http://www.salliemae.com/role/InvestmentsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Amortized Cost and Fair Value of Securities by Contractual Maturities", "label": "Investments Classified by Contractual Maturity Date [Table Text Block]", "documentation": "Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments." } } }, "auth_ref": [] }, "us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InvestmentsDebtAndEquitySecuritiesAbstract", "lang": { "en-us": { "role": { "terseLabel": "Investments, Debt and Equity Securities [Abstract]", "label": "Investments, Debt and Equity Securities [Abstract]" } } }, "auth_ref": [] }, "us-gaap_InvestmentsFairValueDisclosure": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InvestmentsFairValueDisclosure", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1": { "parentTag": "us-gaap_AssetsFairValueDisclosure", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Available-for-sale investments", "label": "Investments, Fair Value Disclosure", "documentation": "Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method." } } }, "auth_ref": [ "r1097", "r1098", "r1108" ] }, "us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "presentation": [ "http://www.salliemae.com/role/Investments" ], "lang": { "en-us": { "role": { "terseLabel": "Investments", "label": "Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]", "documentation": "The entire disclosure for investments in certain debt and equity securities." } } }, "auth_ref": [ "r155", "r183", "r312", "r314", "r582", "r583", "r1126" ] }, "us-gaap_LaborAndRelatedExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "LaborAndRelatedExpense", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "slm_OperatingExpensesExcludingAmortizationOfIntangibleAssets", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Compensation and benefits", "label": "Labor and Related Expense", "documentation": "Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit." } } }, "auth_ref": [ "r1006" ] }, "slm_LendableValueOfCollateral": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LendableValueOfCollateral", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Lendable value of collateral", "label": "Lendable Value Of Collateral", "documentation": "Lendable Value Of Collateral" } } }, "auth_ref": [] }, "us-gaap_LeverageRatiosAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "LeverageRatiosAbstract", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalUSBaselIIIRegulatoryRequirementsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "U.S. Basel III Regulatory Requirements, Ratio", "label": "Banking Regulation, Leverage Ratio [Abstract]" } } }, "auth_ref": [] }, "us-gaap_Liabilities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "Liabilities", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Total liabilities", "label": "Liabilities", "documentation": "Amount of liability recognized for present obligation requiring transfer or otherwise providing economic benefit to others." } } }, "auth_ref": [ "r19", "r85", "r86", "r87", "r89", "r90", "r91", "r92", "r253", "r346", "r421", "r422", "r423", "r424", "r425", "r426", "r427", "r428", "r429", "r531", "r535", "r536", "r586", "r736", "r831", "r893", "r1080", "r1118", "r1119" ] }, "us-gaap_LiabilitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "LiabilitiesAbstract", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Liabilities", "label": "Liabilities [Abstract]" } } }, "auth_ref": [] }, "us-gaap_LiabilitiesAndStockholdersEquity": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "LiabilitiesAndStockholdersEquity", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Total liabilities and equity", "label": "Liabilities and Equity", "documentation": "Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any." } } }, "auth_ref": [ "r100", "r138", "r676", "r876", "r1012", "r1046", "r1113" ] }, "us-gaap_LiabilitiesFairValueDisclosureAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "LiabilitiesFairValueDisclosureAbstract", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Liabilities:", "label": "Liabilities, Fair Value Disclosure [Abstract]" } } }, "auth_ref": [] }, "slm_LineOfCreditFacilityInterestHoldingPercentage": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LineOfCreditFacilityInterestHoldingPercentage", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Line of credit facility, interest holding percentage", "label": "Line of Credit Facility, Interest Holding Percentage", "documentation": "Line of Credit Facility, Interest Holding Percentage" } } }, "auth_ref": [] }, "us-gaap_LineOfCreditFacilityLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "LineOfCreditFacilityLineItems", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Line of Credit Facility [Line Items]", "label": "Line of Credit Facility [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r420", "r1011", "r1077" ] }, "us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "LineOfCreditFacilityMaximumBorrowingCapacity", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Secured borrowing facility maximum borrowing capacity", "label": "Line of Credit Facility, Maximum Borrowing Capacity", "documentation": "Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility." } } }, "auth_ref": [ "r84", "r88" ] }, "us-gaap_LineOfCreditFacilityTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "LineOfCreditFacilityTable", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Line of Credit Facility [Table]", "label": "Line of Credit Facility [Table]", "documentation": "Disclosure of information about short-term and long-term contractual arrangements with lender under which borrowing can occur up to maximum amount. Includes, but is not limited to, letter of credit, standby letter of credit, and revolving credit arrangement." } } }, "auth_ref": [ "r84", "r88", "r420", "r1011", "r1077" ] }, "us-gaap_LineOfCreditMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "LineOfCreditMember", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Line of Credit", "label": "Line of Credit [Member]", "documentation": "A contractual arrangement with a lender under which borrowings can be made up to a specific amount at any point in time, and under which borrowings outstanding may be either short-term or long-term, depending upon the particulars." } } }, "auth_ref": [] }, "slm_LoanAmountSecuritized": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoanAmountSecuritized", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/BorrowingsSecuredFinancingDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total loans and accrued interest amount securitized at inception", "label": "Loan Amount Securitized", "documentation": "Loan Amount Securitized" } } }, "auth_ref": [] }, "slm_LoanDefermentMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoanDefermentMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPasDueLoansDelinquenciesDefermentDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loan Deferment", "label": "Loan Deferment [Member]", "documentation": "Loan Deferment" } } }, "auth_ref": [] }, "slm_LoanModificationsMadeToBorrowersExperiencingFinancialDifficultyPercentage": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoanModificationsMadeToBorrowersExperiencingFinancialDifficultyPercentage", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivableswithLoanModificationsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "% of Total Class of Financing Receivable", "label": "Loan Modifications Made to Borrowers Experiencing Financial Difficulty, Percentage", "documentation": "Loan Modifications Made to Borrowers Experiencing Financial Difficulty, Percentage" } } }, "auth_ref": [] }, "us-gaap_LoanRestructuringModificationAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "LoanRestructuringModificationAxis", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivablesthatSubsequentlyDefaultedDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivableswithLoanModificationsDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loan Restructuring Modification [Axis]", "label": "Loan Restructuring Modification [Axis]", "documentation": "Information by concessions made to the terms of loan contracts." } } }, "auth_ref": [ "r306", "r307", "r310", "r835" ] }, "us-gaap_LoanRestructuringModificationDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "LoanRestructuringModificationDomain", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivablesthatSubsequentlyDefaultedDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivableswithLoanModificationsDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loan Restructuring Modification [Domain]", "label": "Loan Restructuring Modification [Domain]", "documentation": "Concessions made to the terms of loan contracts, including but not limited to, interest rate reductions, maturity extensions, principal forgiveness, and payment deferral." } } }, "auth_ref": [ "r306", "r307", "r310", "r835" ] }, "slm_LoansAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansAbstract", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loans", "label": "Loans [Abstract]", "documentation": "Loans." } } }, "auth_ref": [] }, "slm_LoansBeforeAllowanceForCreditLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansBeforeAllowanceForCreditLoss", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total Private Education Loans", "label": "Loans, Before Allowance For Credit Loss", "documentation": "Loans, Before Allowance For Credit Loss" } } }, "auth_ref": [] }, "slm_LoansGrossBeforeAllowanceForCreditLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansGrossBeforeAllowanceForCreditLoss", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total Private Education Loans, gross", "label": "Loans Gross, Before Allowance For Credit Loss", "documentation": "Loans Gross, Before Allowance For Credit Loss" } } }, "auth_ref": [] }, "slm_LoansGrossOriginatedFiveYearsBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansGrossOriginatedFiveYearsBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_LoansGrossBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans, gross, After Year 5", "label": "Loans Gross, Originated Five Years Before Latest Fiscal Year", "documentation": "Loans Gross, Originated Five Years Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_LoansGrossOriginatedFourYearsBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansGrossOriginatedFourYearsBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_LoansGrossBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans, gross, Year 5", "label": "Loans Gross, Originated Four Years Before Latest Fiscal Year", "documentation": "Loans Gross, Originated Four Years Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_LoansGrossOriginatedInCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansGrossOriginatedInCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_LoansGrossBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans, gross, Year 1", "label": "Loans Gross, Originated In Current Fiscal Year", "documentation": "Loans Gross, Originated In Current Fiscal Year" } } }, "auth_ref": [] }, "slm_LoansGrossOriginatedInFiscalYearBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansGrossOriginatedInFiscalYearBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_LoansGrossBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans, gross, Year 2", "label": "Loans Gross, Originated In Fiscal Year Before Latest Fiscal Year", "documentation": "Loans Gross, Originated In Fiscal Year Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_LoansGrossOriginatedThreeYearsBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansGrossOriginatedThreeYearsBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_LoansGrossBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans, gross, Year 4", "label": "Loans Gross, Originated Three Years Before Latest Fiscal Year", "documentation": "Loans Gross, Originated Three Years Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_LoansGrossOriginatedTwoYearsBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansGrossOriginatedTwoYearsBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_LoansGrossBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans, gross, Year 3", "label": "Loans Gross, Originated Two Years Before Latest Fiscal Year", "documentation": "Loans Gross, Originated Two Years Before Latest Fiscal Year" } } }, "auth_ref": [] }, "us-gaap_LoansHeldForSaleFairValueDisclosure": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "LoansHeldForSaleFairValueDisclosure", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1", "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loans held for sale", "label": "Loan, Held-for-Sale, Fair Value Disclosure", "documentation": "Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables." } } }, "auth_ref": [ "r560", "r561", "r1099", "r1100", "r1101" ] }, "slm_LoansInForbearanceAsAPercentageOfPrivateEducationLoansInRepaymentAndForbearance": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansInForbearanceAsAPercentageOfPrivateEducationLoansInRepaymentAndForbearance", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loans in forbearance as a percentage of loans in repayment and forbearance", "label": "Loans In Forbearance As A Percentage Of Private Education Loans In repayment And Forbearance", "documentation": "Loans In Forbearance As A Percentage Of Private Education Loans In repayment And Forbearance" } } }, "auth_ref": [] }, "slm_LoansInForbearanceAsAPercentageOfPrivateEducationLoansInRepaymentAndForbearanceOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansInForbearanceAsAPercentageOfPrivateEducationLoansInRepaymentAndForbearanceOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loans in forbearance as a percentage of loans in repayment and forbearance, After Year 5", "label": "Loans In Forbearance As A Percentage Of Private Education Loans In repayment And Forbearance Originated Five Or More Years Before Current Fiscal Year", "documentation": "Loans In Forbearance As A Percentage Of Private Education Loans In repayment And Forbearance Originated Five Or More Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_LoansInForbearanceAsAPercentageOfPrivateEducationLoansInRepaymentAndForbearanceOriginatedFourYearsBeforeCurrentFiscalYear": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansInForbearanceAsAPercentageOfPrivateEducationLoansInRepaymentAndForbearanceOriginatedFourYearsBeforeCurrentFiscalYear", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loans in forbearance as a percentage of loans in repayment and forbearance, Year 5", "label": "Loans In Forbearance As A Percentage Of Private Education Loans In repayment And Forbearance, Originated Four Years Before Current Fiscal Year", "documentation": "Loans In Forbearance As A Percentage Of Private Education Loans In repayment And Forbearance, Originated Four Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_LoansInForbearanceAsAPercentageOfPrivateEducationLoansInRepaymentAndForbearanceOriginatedInFiscalYearBeforeLatestFiscalYear": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansInForbearanceAsAPercentageOfPrivateEducationLoansInRepaymentAndForbearanceOriginatedInFiscalYearBeforeLatestFiscalYear", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loans in forbearance as a percentage of loans in repayment and forbearance, Year 2", "label": "Loans In Forbearance As A Percentage Of Private Education Loans In repayment And Forbearance, Originated In Fiscal Year Before Latest Fiscal Year", "documentation": "Loans In Forbearance As A Percentage Of Private Education Loans In repayment And Forbearance, Originated In Fiscal Year Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_LoansInForbearanceAsAPercentageOfPrivateEducationLoansInRepaymentAndForbearanceOriginatedThreeYearsBeforeCurrentFiscalYear": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansInForbearanceAsAPercentageOfPrivateEducationLoansInRepaymentAndForbearanceOriginatedThreeYearsBeforeCurrentFiscalYear", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loans in forbearance as a percentage of loans in repayment and forbearance, Year 4", "label": "Loans In Forbearance As A Percentage Of Private Education Loans In repayment And Forbearance, Originated Three Years Before Current Fiscal Year", "documentation": "Loans In Forbearance As A Percentage Of Private Education Loans In repayment And Forbearance, Originated Three Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_LoansInForbearanceAsAPercentageOfPrivateEducationLoansInRepaymentAndForbearanceOriginatedTwoYearsBeforeCurrentFiscalYear": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansInForbearanceAsAPercentageOfPrivateEducationLoansInRepaymentAndForbearanceOriginatedTwoYearsBeforeCurrentFiscalYear", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loans in forbearance as a percentage of loans in repayment and forbearance, Year 3", "label": "Loans In Forbearance As A Percentage Of Private Education Loans In repayment And Forbearance, Originated Two Years Before Current Fiscal Year", "documentation": "Loans In Forbearance As A Percentage Of Private Education Loans In repayment And Forbearance, Originated Two Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_LoansInForbearanceAsPercentageOfLoansInRepaymentAndForbearance": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansInForbearanceAsPercentageOfLoansInRepaymentAndForbearance", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loans in forbearance as a percentage of loans in repayment and forbearance, Year 1", "label": "Loans In Forbearance As Percentage Of Loans In Repayment And Forbearance", "documentation": "Loans in forbearance as a percentage of loans in repayment and forbearance." } } }, "auth_ref": [] }, "slm_LoansInForbearanceMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansInForbearanceMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loans In forbearance", "label": "Loans In Forbearance [Member]", "documentation": "Loans In Forbearance" } } }, "auth_ref": [] }, "slm_LoansInRepaymentBeforeAllowanceForCreditLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansInRepaymentBeforeAllowanceForCreditLoss", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total Private Education Loans in repayment", "label": "Loans In Repayment, Before Allowance For Credit Loss", "documentation": "Loans In Repayment, Before Allowance For Credit Loss" } } }, "auth_ref": [] }, "slm_LoansInRepaymentOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansInRepaymentOriginatedFiveOrMoreYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_LoansInRepaymentBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans in Repayment, After Year 5", "label": "Loans In Repayment, Originated Five Or More Years Before Current Fiscal Year", "documentation": "Loans In Repayment, Originated Five Or More Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_LoansInRepaymentOriginatedFourYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansInRepaymentOriginatedFourYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_LoansInRepaymentBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans in Repayment, Year 5", "label": "Loans In Repayment, Originated Four Years Before Current Fiscal Year", "documentation": "Loans In Repayment, Originated Four Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_LoansInRepaymentOriginatedInCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansInRepaymentOriginatedInCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_LoansInRepaymentBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans in Repayment, Year 1", "label": "Loans In Repayment, Originated In Current Fiscal Year", "documentation": "Total loans in repayment." } } }, "auth_ref": [] }, "slm_LoansInRepaymentOriginatedInFiscalYearBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansInRepaymentOriginatedInFiscalYearBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_LoansInRepaymentBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans in Repayment, Year 2", "label": "Loans In Repayment, Originated In Fiscal Year Before Latest Fiscal Year", "documentation": "Loans In Repayment, Originated In Fiscal Year Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_LoansInRepaymentOriginatedThreeYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansInRepaymentOriginatedThreeYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_LoansInRepaymentBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans in Repayment, Year 4", "label": "Loans In Repayment, Originated Three Years Before Current Fiscal Year", "documentation": "Loans In Repayment, Originated Three Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_LoansInRepaymentOriginatedTwoYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansInRepaymentOriginatedTwoYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_LoansInRepaymentBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans in Repayment, Year 3", "label": "Loans In Repayment, Originated Two Years Before Current Fiscal Year", "documentation": "Loans In Repayment, Originated Two Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_LoansInSchoolGraceDefermentMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansInSchoolGraceDefermentMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesPaymentStatusAmortizedCostBasisDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Deferment", "terseLabel": "Loans In-school/grace/deferment", "label": "Loans In-School/Grace/Deferment [Member]", "documentation": "Loans In-School/Grace/Deferment" } } }, "auth_ref": [] }, "us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "presentation": [ "http://www.salliemae.com/role/LoansHeldforInvestment", "http://www.salliemae.com/role/LoansHeldforSale" ], "lang": { "en-us": { "role": { "terseLabel": "Loans Held for Investment", "verboseLabel": "Loans Held for Sale", "label": "Loans, Notes, Trade and Other Receivables Disclosure [Text Block]", "documentation": "The entire disclosure for claims held for amounts due to entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses." } } }, "auth_ref": [ "r596", "r1026" ] }, "slm_LoansOriginatedFiveOrMoreYearsBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansOriginatedFiveOrMoreYearsBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_LoansBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans, After Year 5", "label": "Loans, Originated Five Or More Years Before Latest Fiscal Year", "documentation": "Loans, Originated Five Or More Years Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_LoansOriginatedFourYearsBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansOriginatedFourYearsBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_LoansBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans, Year 5", "label": "Loans, Originated Four Years Before Latest Fiscal Year", "documentation": "Loans, Originated Four Years Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_LoansOriginatedInCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansOriginatedInCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_LoansBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans, Year 1", "label": "Loans, Originated In Current Fiscal Year", "documentation": "Loans, Originated In Current Fiscal Year" } } }, "auth_ref": [] }, "slm_LoansOriginatedInFiscalYearBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansOriginatedInFiscalYearBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_LoansBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans, Year 2", "label": "Loans, Originated In Fiscal Year Before Latest Fiscal Year", "documentation": "Loans, Originated In Fiscal Year Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_LoansOriginatedThreeYearsBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansOriginatedThreeYearsBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_LoansBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans, Year 4", "label": "Loans, Originated Three Years Before Latest Fiscal Year", "documentation": "Loans, Originated Three Years Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_LoansOriginatedTwoYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansOriginatedTwoYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_LoansBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Private Education Loans, Year 3", "label": "Loans, Originated Two Years Before Current Fiscal Year", "documentation": "Loans, Originated Two Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_LoansPledgedAsCollateralCapitalizedInterest": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansPledgedAsCollateralCapitalizedInterest", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails", "http://www.salliemae.com/role/BorrowingsSecuredFinancingDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Capitalized interest", "label": "Loans Pledged As Collateral, Capitalized Interest", "documentation": "Loans Pledged As Collateral, Capitalized Interest" } } }, "auth_ref": [] }, "slm_LoansPledgedAsCollateralPrincipalAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansPledgedAsCollateralPrincipalAmount", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails", "http://www.salliemae.com/role/BorrowingsSecuredFinancingDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Principal amount of collateral", "label": "Loans Pledged As Collateral, Principal Amount", "documentation": "Loans Pledged As Collateral, Principal Amount" } } }, "auth_ref": [] }, "us-gaap_LoansReceivableFairValueDisclosure": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "LoansReceivableFairValueDisclosure", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1": { "parentTag": "us-gaap_AssetsFairValueDisclosure", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Loans held for investment, net", "label": "Loans Receivable, Fair Value Disclosure", "documentation": "Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts." } } }, "auth_ref": [ "r1112" ] }, "slm_LoansReceivableFairValueDisclosureDifferenceBetweenCarryingValueAndFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansReceivableFairValueDisclosureDifferenceBetweenCarryingValueAndFairValue", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Loans held for investment, net, difference", "label": "Loans Receivable, Fair Value Disclosure, Difference Between Carrying Value And Fair Value", "documentation": "Loans Receivable, Fair Value Disclosure, Difference" } } }, "auth_ref": [] }, "us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "LoansReceivableHeldForSaleNetNotPartOfDisposalGroup", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 8.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited", "http://www.salliemae.com/role/LoansHeldforSaleDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loans held for sale", "verboseLabel": "Loans held for sale", "label": "Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance", "documentation": "Amount, after valuation allowance, of financing receivable held for sale and not part of disposal group. Excludes loan covered under loss sharing agreement and loan classified as investment in debt security." } } }, "auth_ref": [ "r815", "r1027" ] }, "slm_LoansSecuritizedOrAssetBackedFinancingArrangementOwnershipInterestPercentage": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LoansSecuritizedOrAssetBackedFinancingArrangementOwnershipInterestPercentage", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Ownership interest percentage on asset-backed financing", "label": "Loans Securitized or Asset Backed Financing Arrangement Ownership Interest Percentage", "documentation": "Loans Securitized or Asset Backed Financing Arrangement Ownership Interest Percentage" } } }, "auth_ref": [] }, "dei_LocalPhoneNumber": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "LocalPhoneNumber", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Local Phone Number", "label": "Local Phone Number", "documentation": "Local phone number for entity." } } }, "auth_ref": [] }, "slm_LondonClearingHouseMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LondonClearingHouseMember", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "LCH", "label": "London Clearing House [Member]", "documentation": "London Clearing House [Member]" } } }, "auth_ref": [] }, "us-gaap_LongTermDebt": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "LongTermDebt", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_Liabilities", "weight": 1.0, "order": 2.0 }, "http://www.salliemae.com/role/BorrowingsCompanyBorrowingsDetails": { "parentTag": "us-gaap_DebtLongtermAndShorttermCombinedAmount", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/BorrowingsCompanyBorrowingsDetails", "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails", "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Long-term borrowings", "verboseLabel": "Long-Term", "label": "Long-Term Debt", "documentation": "Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation." } } }, "auth_ref": [ "r19", "r136", "r443", "r457", "r848", "r849", "r875", "r1130" ] }, "us-gaap_LongTermDebtFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "LongTermDebtFairValue", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1": { "parentTag": "us-gaap_FinancialLiabilitiesFairValueDisclosure", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Long-term borrowings", "label": "Long-Term Debt, Fair Value", "documentation": "The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission." } } }, "auth_ref": [ "r1097", "r1099", "r1100", "r1101" ] }, "slm_LongTermDebtFairValueDifferenceBetweenCarryingValueAndFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LongTermDebtFairValueDifferenceBetweenCarryingValueAndFairValue", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1": { "parentTag": "slm_FinancialLiabilitiesFairValueDisclosureDifferenceBetweenCarryingValueandFairValue", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Long-term borrowings, difference", "label": "Long-Term Debt, Fair Value, Difference Between Carrying Value And Fair Value", "documentation": "Long-Term Debt, Fair Value, Difference Between Carrying Value And Fair Value" } } }, "auth_ref": [] }, "us-gaap_LongtermDebtTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "LongtermDebtTypeAxis", "presentation": [ "http://www.salliemae.com/role/BorrowingsCompanyBorrowingsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Long-term Debt, Type [Axis]", "label": "Long-Term Debt, Type [Axis]", "documentation": "Information by type of long-term debt." } } }, "auth_ref": [ "r19", "r1072", "r1073", "r1074" ] }, "us-gaap_LongtermDebtTypeDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "LongtermDebtTypeDomain", "presentation": [ "http://www.salliemae.com/role/BorrowingsCompanyBorrowingsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Long-term Debt, Type [Domain]", "label": "Long-Term Debt, Type [Domain]", "documentation": "Type of long-term debt arrangement, such as notes, line of credit, commercial paper, asset-based financing, project financing, letter of credit financing. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer." } } }, "auth_ref": [ "r19", "r32", "r1072", "r1073", "r1074" ] }, "slm_LossContingencyLossEmergencePeriod": { "xbrltype": "durationItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "LossContingencyLossEmergencePeriod", "presentation": [ "http://www.salliemae.com/role/CommitmentsContingenciesandGuaranteesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loss emergence period", "label": "Loss Contingency, Loss Emergence Period", "documentation": "Loss Contingency, Loss Emergence Period" } } }, "auth_ref": [] }, "slm_Maturity2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2024Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2024", "label": "Maturity 2024 [Member]", "documentation": "Maturity 2024" } } }, "auth_ref": [] }, "slm_Maturity2025Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2025Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2025", "label": "Maturity 2025 [Member]", "documentation": "Maturity 2025" } } }, "auth_ref": [] }, "slm_Maturity2026Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2026Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2026", "label": "Maturity 2026 [Member]", "documentation": "Maturity 2026" } } }, "auth_ref": [] }, "slm_Maturity2027Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2027Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2027", "label": "Maturity 2027 [Member]", "documentation": "Maturity 2027" } } }, "auth_ref": [] }, "slm_Maturity2038Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2038Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2038", "label": "Maturity 2038 [Member]", "documentation": "Maturity 2038 [Member]" } } }, "auth_ref": [] }, "slm_Maturity2039Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2039Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2039", "label": "Maturity 2039 [Member]", "documentation": "Maturity 2039 [Member]" } } }, "auth_ref": [] }, "slm_Maturity2042Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2042Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2042", "label": "Maturity 2042 [Member]", "documentation": "Maturity 2042 [Member]" } } }, "auth_ref": [] }, "slm_Maturity2043Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2043Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2043", "label": "Maturity 2043 [Member]", "documentation": "Maturity 2043 [Member]" } } }, "auth_ref": [] }, "slm_Maturity2044Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2044Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2044", "label": "Maturity 2044 [Member]", "documentation": "Maturity 2044 [Member]" } } }, "auth_ref": [] }, "slm_Maturity2045Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2045Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2045", "label": "Maturity 2045 [Member]", "documentation": "Maturity 2045 [Member]" } } }, "auth_ref": [] }, "slm_Maturity2046Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2046Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2046", "label": "Maturity 2046 [Member]", "documentation": "Maturity 2046 [Member]" } } }, "auth_ref": [] }, "slm_Maturity2047Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2047Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2047", "label": "Maturity 2047 [Member]", "documentation": "Maturity 2047 [Member]" } } }, "auth_ref": [] }, "slm_Maturity2048Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2048Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2048", "label": "Maturity 2048 [Member]", "documentation": "Maturity 2048 [Member]" } } }, "auth_ref": [] }, "slm_Maturity2049Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2049Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2049", "label": "Maturity 2049 [Member]", "documentation": "Maturity 2049 [Member]" } } }, "auth_ref": [] }, "slm_Maturity2050Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2050Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2050", "label": "Maturity 2050 [Member]", "documentation": "Maturity 2050" } } }, "auth_ref": [] }, "slm_Maturity2051Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2051Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2051", "label": "Maturity 2051 [Member]", "documentation": "Maturity 2051" } } }, "auth_ref": [] }, "slm_Maturity2052Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2052Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2052", "label": "Maturity 2052 [Member]", "documentation": "Maturity 2052" } } }, "auth_ref": [] }, "slm_Maturity2053Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2053Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2053", "label": "Maturity 2053 [Member]", "documentation": "Maturity 2053" } } }, "auth_ref": [] }, "slm_Maturity2054Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2054Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2054", "label": "Maturity 2054 [Member]", "documentation": "Maturity 2054" } } }, "auth_ref": [] }, "slm_Maturity2055Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2055Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2055", "label": "Maturity 2055 [Member]", "documentation": "Maturity 2055" } } }, "auth_ref": [] }, "slm_Maturity2056Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2056Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2056", "label": "Maturity 2056 [Member]", "documentation": "Maturity 2056" } } }, "auth_ref": [] }, "slm_Maturity2058Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Maturity2058Member", "presentation": [ "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2058", "label": "Maturity 2058 [Member]", "documentation": "Maturity 2058" } } }, "auth_ref": [] }, "srt_MaximumMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2024", "localname": "MaximumMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivableswithLoanModificationsDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails", "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Maximum", "label": "Maximum [Member]", "documentation": "Upper limit of the provided range." } } }, "auth_ref": [ "r193", "r194", "r195", "r196", "r197", "r200", "r201", "r414", "r415", "r416", "r417", "r482", "r511", "r564", "r641", "r687", "r689", "r697", "r728", "r729", "r783", "r785", "r787", "r788", "r802", "r820", "r821", "r835", "r852", "r858", "r868", "r869", "r873", "r874", "r878", "r1084", "r1120", "r1121", "r1122", "r1123", "r1124", "r1125" ] }, "ecd_MeasureAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "MeasureAxis", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Measure:", "label": "Measure [Axis]" } } }, "auth_ref": [ "r942" ] }, "ecd_MeasureName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "MeasureName", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Name", "label": "Measure Name" } } }, "auth_ref": [ "r942" ] }, "us-gaap_MeasurementInputDefaultRateMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "MeasurementInputDefaultRateMember", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Measurement Input, Default Rate", "label": "Measurement Input, Default Rate [Member]", "documentation": "Measurement input using likelihood loan will not be repaid as proportion of outstanding loan." } } }, "auth_ref": [ "r868", "r1099", "r1100", "r1101" ] }, "us-gaap_MeasurementInputPrepaymentRateMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "MeasurementInputPrepaymentRateMember", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Measurement Input, Prepayment Rate", "label": "Measurement Input, Prepayment Rate [Member]", "documentation": "Measurement input using principal prepayment at other than constant rate as proportion of outstanding loan principal." } } }, "auth_ref": [ "r1099", "r1100", "r1101" ] }, "us-gaap_MeasurementInputTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "MeasurementInputTypeAxis", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Measurement Input Type [Axis]", "label": "Measurement Input Type [Axis]", "documentation": "Information by type of measurement input used to determine value of asset and liability." } } }, "auth_ref": [ "r562", "r563", "r564", "r868" ] }, "us-gaap_MeasurementInputTypeDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "MeasurementInputTypeDomain", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Measurement Input Type [Domain]", "label": "Measurement Input Type [Domain]", "documentation": "Measurement input used to determine value of asset and liability." } } }, "auth_ref": [ "r562", "r563", "r564", "r868" ] }, "srt_MinimumMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2024", "localname": "MinimumMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivableswithLoanModificationsDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails", "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Minimum", "label": "Minimum [Member]", "documentation": "Lower limit of the provided range." } } }, "auth_ref": [ "r193", "r194", "r195", "r196", "r197", "r200", "r201", "r414", "r415", "r416", "r417", "r482", "r511", "r564", "r641", "r687", "r689", "r697", "r728", "r729", "r783", "r785", "r787", "r788", "r802", "r820", "r821", "r835", "r852", "r858", "r868", "r869", "r873", "r878", "r1084", "r1120", "r1121", "r1122", "r1123", "r1124", "r1125" ] }, "ecd_MnpiDiscTimedForCompValFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "MnpiDiscTimedForCompValFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "MNPI Disclosure Timed for Compensation Value", "label": "MNPI Disclosure Timed for Compensation Value [Flag]" } } }, "auth_ref": [ "r961" ] }, "slm_MoneyMarketandSavingsAccountsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "MoneyMarketandSavingsAccountsMember", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Money-market and savings accounts", "label": "Money Market and Savings Accounts [Member]", "documentation": "Money Market and Savings Accounts [Member]" } } }, "auth_ref": [] }, "us-gaap_MortgageBackedSecuritiesMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "MortgageBackedSecuritiesMember", "presentation": [ "http://www.salliemae.com/role/InvestmentsAmortizedCostandFairValueofSecuritiesAvailableforSaleDetails", "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Mortgage-backed securities", "label": "Collateralized Mortgage-Backed Securities [Member]", "documentation": "Securities collateralized by mortgage loans." } } }, "auth_ref": [ "r853", "r854", "r855", "r1035", "r1038", "r1039", "r1040", "r1041", "r1133" ] }, "ecd_MtrlTermsOfTrdArrTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "MtrlTermsOfTrdArrTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Material Terms of Trading Arrangement", "label": "Material Terms of Trading Arrangement [Text Block]" } } }, "auth_ref": [ "r969" ] }, "ecd_NamedExecutiveOfficersFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "NamedExecutiveOfficersFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Named Executive Officers, Footnote", "label": "Named Executive Officers, Footnote [Text Block]" } } }, "auth_ref": [ "r943" ] }, "us-gaap_NetCashProvidedByUsedInFinancingActivities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "NetCashProvidedByUsedInFinancingActivities", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Total net cash provided by financing activities", "label": "Net Cash Provided by (Used in) Financing Activities", "documentation": "Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit." } } }, "auth_ref": [ "r246" ] }, "us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "NetCashProvidedByUsedInFinancingActivitiesAbstract", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Financing activities", "label": "Net Cash Provided by (Used in) Financing Activities [Abstract]" } } }, "auth_ref": [] }, "us-gaap_NetCashProvidedByUsedInInvestingActivities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "NetCashProvidedByUsedInInvestingActivities", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Total net cash provided by (used in) investing activities", "label": "Net Cash Provided by (Used in) Investing Activities", "documentation": "Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets." } } }, "auth_ref": [ "r246" ] }, "us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "NetCashProvidedByUsedInInvestingActivitiesAbstract", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Investing activities", "label": "Net Cash Provided by (Used in) Investing Activities [Abstract]" } } }, "auth_ref": [] }, "us-gaap_NetCashProvidedByUsedInOperatingActivities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "NetCashProvidedByUsedInOperatingActivities", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Total net cash used in operating activities", "label": "Net Cash Provided by (Used in) Operating Activities", "documentation": "Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities." } } }, "auth_ref": [ "r109", "r110", "r112" ] }, "us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "NetCashProvidedByUsedInOperatingActivitiesAbstract", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Operating activities", "label": "Net Cash Provided by (Used in) Operating Activities [Abstract]" } } }, "auth_ref": [] }, "slm_NetDecreaseInLoansHeldForInvestmentAndLoansHeldForSale": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "NetDecreaseInLoansHeldForInvestmentAndLoansHeldForSale", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0, "order": 5.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "negatedLabel": "Net decrease in loans held for investment and loans held for sale (other than loans acquired and originated, and loan sales)", "label": "Net Decrease in Loans Held for Investment and Loans Held for Sale", "documentation": "Net Decrease in Loans Held for Investment and Loans Held for Sale" } } }, "auth_ref": [] }, "us-gaap_NetIncomeLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "NetIncomeLoss", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/EarningsLossperCommonShareDetails": { "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/EarningsLossperCommonShareDetails", "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Net income (loss)", "label": "Net Income (Loss) Attributable to Parent", "documentation": "The portion of profit or loss for the period, net of income taxes, which is attributable to the parent." } } }, "auth_ref": [ "r107", "r112", "r147", "r204", "r229", "r232", "r236", "r253", "r259", "r261", "r262", "r263", "r264", "r265", "r268", "r269", "r284", "r346", "r421", "r422", "r423", "r424", "r425", "r426", "r427", "r428", "r429", "r524", "r528", "r558", "r586", "r681", "r758", "r775", "r776", "r891", "r1080" ] }, "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "NetIncomeLossAvailableToCommonStockholdersBasic", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": null, "weight": null, "order": null, "root": true }, "http://www.salliemae.com/role/EarningsLossperCommonShareDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited", "http://www.salliemae.com/role/EarningsLossperCommonShareDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Net income (loss) attributable to SLM Corporation common stock", "label": "Net Income (Loss) Available to Common Stockholders, Basic", "documentation": "Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders." } } }, "auth_ref": [ "r240", "r261", "r262", "r263", "r264", "r272", "r273", "r285", "r288", "r528" ] }, "us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "NetIncomeLossAvailableToCommonStockholdersDiluted", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/EarningsLossperCommonShareDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/EarningsLossperCommonShareDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Net income (loss) attributable to SLM Corporation common stock", "label": "Net Income (Loss) Available to Common Stockholders, Diluted", "documentation": "Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders." } } }, "auth_ref": [ "r240", "r274", "r280", "r281", "r282", "r283", "r285", "r288" ] }, "slm_NetIncreaseDecreaseInBrokeredCertificatesOfDeposit": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "NetIncreaseDecreaseInBrokeredCertificatesOfDeposit", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0, "order": 7.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Net increase in certificates of deposit", "label": "Net Increase (Decrease) In Brokered Certificates Of Deposit", "documentation": "Net Increase (Decrease) In Brokered Certificates Of Deposit" } } }, "auth_ref": [] }, "slm_NetIncreaseDecreaseInUpfrontLoanFees": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "NetIncreaseDecreaseInUpfrontLoanFees", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Fees paid on Secured Borrowing Facility", "label": "Net Increase (Decrease) In Upfront Loan Fees", "documentation": "Net Increase (Decrease) In Upfront Loan Fees" } } }, "auth_ref": [] }, "slm_NetIncreaseInNOWAccountDeposits": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "NetIncreaseInNOWAccountDeposits", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Net decrease in other deposits", "label": "Net Increase In NOW Account Deposits", "documentation": "Net Increase In NOW Account Deposits" } } }, "auth_ref": [] }, "slm_NetProceedsFromLoansHeldForInvestmentAndLoansHeldForSale": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "NetProceedsFromLoansHeldForInvestmentAndLoansHeldForSale", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Net proceeds from sales of loans held for investment and loans held for sale", "label": "Net Proceeds from Loans Held for Investment and Loans Held for Sale", "documentation": "Net Proceeds from Loans Held for Investment and Loans Held for Sale" } } }, "auth_ref": [] }, "slm_NetProceedsFromSalesOfStudentLoansHeldForSaleCapitalizedInterest": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "NetProceedsFromSalesOfStudentLoansHeldForSaleCapitalizedInterest", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/LoansHeldforInvestmentNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Net proceeds from sales of loans held for investment, capitalized interest", "label": "Net Proceeds From Sales Of Student Loans Held For Sale, Capitalized Interest", "documentation": "Net Proceeds From Sales Of Student Loans Held For Sale, Capitalized Interest" } } }, "auth_ref": [] }, "slm_NetProceedsFromSalesOfStudentLoansHeldForSalePrincipal": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "NetProceedsFromSalesOfStudentLoansHeldForSalePrincipal", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/LoansHeldforInvestmentNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Net proceeds from sales of loans held for investment, principal", "label": "Net Proceeds From Sales Of Student Loans Held For Sale, Principal", "documentation": "Net Proceeds From Sales Of Student Loans Held For Sale, Principal" } } }, "auth_ref": [] }, "slm_NetUnamortizedPremiumOrDiscountBeforeAllowanceForCreditLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "NetUnamortizedPremiumOrDiscountBeforeAllowanceForCreditLoss", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Private Education Loans deferred origination costs and unamortized premium/(discount)", "label": "Net Unamortized Premium Or Discount, Before Allowance For Credit Loss", "documentation": "Net Unamortized Premium Or Discount, Before Allowance For Credit Loss" } } }, "auth_ref": [] }, "slm_NetUnamortizedPremiumOrDiscountOriginatedFiveOrMoreYearsBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "NetUnamortizedPremiumOrDiscountOriginatedFiveOrMoreYearsBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_NetUnamortizedPremiumOrDiscountBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Private Education Loans deferred origination costs and unamortized premium/(discount), After Year 5", "label": "Net Unamortized Premium Or Discount, Originated Five Or More Years Before Latest Fiscal Year", "documentation": "Net Unamortized Premium Or Discount, Originated Five Or More Years Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_NetUnamortizedPremiumOrDiscountOriginatedFourYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "NetUnamortizedPremiumOrDiscountOriginatedFourYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_NetUnamortizedPremiumOrDiscountBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Private Education Loans deferred origination costs and unamortized premium/(discount), Year 5", "label": "Net Unamortized Premium Or Discount, Originated Four Years Before Current Fiscal Year", "documentation": "Net Unamortized Premium Or Discount, Originated Four Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_NetUnamortizedPremiumOrDiscountOriginatedInCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "NetUnamortizedPremiumOrDiscountOriginatedInCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_NetUnamortizedPremiumOrDiscountBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Private Education Loans deferred origination costs and unamortized premium/(discount), Year 1", "label": "Net Unamortized Premium Or Discount, Originated In Current Fiscal Year", "documentation": "Net Unamortized Premium Or Discount, Originated In Current Fiscal Year" } } }, "auth_ref": [] }, "slm_NetUnamortizedPremiumOrDiscountOriginatedInFiscalYearBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "NetUnamortizedPremiumOrDiscountOriginatedInFiscalYearBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_NetUnamortizedPremiumOrDiscountBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Private Education Loans deferred origination costs and unamortized premium/(discount), Year 2", "label": "Net Unamortized Premium Or Discount, Originated In Fiscal Year Before Latest Fiscal Year", "documentation": "Net Unamortized Premium Or Discount, Originated In Fiscal Year Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_NetUnamortizedPremiumOrDiscountOriginatedThreeYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "NetUnamortizedPremiumOrDiscountOriginatedThreeYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_NetUnamortizedPremiumOrDiscountBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Private Education Loans deferred origination costs and unamortized premium/(discount), Year 4", "label": "Net Unamortized Premium Or Discount, Originated Three Years Before Current Fiscal Year", "documentation": "Net Unamortized Premium Or Discount, Originated Three Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "slm_NetUnamortizedPremiumOrDiscountOriginatedTwoYearsBeforeCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "NetUnamortizedPremiumOrDiscountOriginatedTwoYearsBeforeCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails": { "parentTag": "slm_NetUnamortizedPremiumOrDiscountBeforeAllowanceForCreditLoss", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Private Education Loans deferred origination costs and unamortized premium/(discount), Year 3", "label": "Net Unamortized Premium Or Discount, Originated Two Years Before Current Fiscal Year", "documentation": "Net Unamortized Premium Or Discount, Originated Two Years Before Current Fiscal Year" } } }, "auth_ref": [] }, "us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock", "presentation": [ "http://www.salliemae.com/role/SignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Recently Issued Accounting Pronouncements", "label": "New Accounting Pronouncements, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact." } } }, "auth_ref": [] }, "slm_NitroCollegeMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "NitroCollegeMember", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Nitro", "label": "Nitro College [Member]", "documentation": "Nitro College" } } }, "auth_ref": [] }, "ecd_NonGaapMeasureDescriptionTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "NonGaapMeasureDescriptionTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Non-GAAP Measure Description", "label": "Non-GAAP Measure Description [Text Block]" } } }, "auth_ref": [ "r942" ] }, "ecd_NonNeosMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "NonNeosMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Non-NEOs", "label": "Non-NEOs [Member]" } } }, "auth_ref": [ "r906", "r916", "r926", "r950", "r958" ] }, "ecd_NonPeoNeoAvgCompActuallyPaidAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "NonPeoNeoAvgCompActuallyPaidAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Non-PEO NEO Average Compensation Actually Paid Amount", "label": "Non-PEO NEO Average Compensation Actually Paid Amount" } } }, "auth_ref": [ "r933" ] }, "ecd_NonPeoNeoAvgTotalCompAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "NonPeoNeoAvgTotalCompAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Non-PEO NEO Average Total Compensation Amount", "label": "Non-PEO NEO Average Total Compensation Amount" } } }, "auth_ref": [ "r932" ] }, "ecd_NonPeoNeoMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "NonPeoNeoMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Non-PEO NEO", "label": "Non-PEO NEO [Member]" } } }, "auth_ref": [ "r950" ] }, "ecd_NonRule10b51ArrAdoptedFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "NonRule10b51ArrAdoptedFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Non-Rule 10b5-1 Arrangement Adopted", "label": "Non-Rule 10b5-1 Arrangement Adopted [Flag]" } } }, "auth_ref": [ "r969" ] }, "ecd_NonRule10b51ArrTrmntdFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "NonRule10b51ArrTrmntdFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Non-Rule 10b5-1 Arrangement Terminated", "label": "Non-Rule 10b5-1 Arrangement Terminated [Flag]" } } }, "auth_ref": [ "r969" ] }, "us-gaap_NondesignatedMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "NondesignatedMember", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedBalanceSheetDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNotionalValuesDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Trading", "terseLabel": "Trading", "label": "Not Designated as Hedging Instrument [Member]", "documentation": "Derivative instrument not designated as hedging instrument under Generally Accepted Accounting Principles (GAAP)." } } }, "auth_ref": [ "r12" ] }, "us-gaap_NoninterestBearingDepositLiabilities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "NoninterestBearingDepositLiabilities", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DepositsSummaryofTotalDepositsDetails": { "parentTag": "us-gaap_Deposits", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/DepositsSummaryofTotalDepositsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Deposits - non-interest-bearing", "label": "Noninterest-Bearing Deposit Liabilities", "documentation": "The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity." } } }, "auth_ref": [ "r133" ] }, "us-gaap_NoninterestExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "NoninterestExpense", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": -1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Total non-interest expenses", "label": "Noninterest Expense", "documentation": "Total aggregate amount of all noninterest expense." } } }, "auth_ref": [ "r144" ] }, "us-gaap_NoninterestExpenseAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "NoninterestExpenseAbstract", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Non-interest expenses:", "label": "Noninterest Expense [Abstract]" } } }, "auth_ref": [] }, "us-gaap_NoninterestIncome": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "NoninterestIncome", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Total non-interest income", "label": "Noninterest Income", "documentation": "The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified." } } }, "auth_ref": [ "r143" ] }, "us-gaap_NoninterestIncomeAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "NoninterestIncomeAbstract", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Non-interest income:", "label": "Noninterest Income [Abstract]" } } }, "auth_ref": [] }, "us-gaap_NoninterestIncomeOtherOperatingIncome": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "NoninterestIncomeOtherOperatingIncome", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_NoninterestIncome", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Other income", "label": "Noninterest Income, Other Operating Income", "documentation": "Amount of revenue earned, classified as other, excluding interest income." } } }, "auth_ref": [ "r105", "r143" ] }, "us-gaap_NotesReceivableGross": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "NotesReceivableGross", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/BorrowingsSecuredFinancingDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Loans", "label": "Financing Receivable, before Allowance for Credit Loss", "documentation": "Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease." } } }, "auth_ref": [ "r163", "r167", "r186", "r187", "r214", "r303", "r359", "r368", "r842", "r843", "r990", "r1048" ] }, "slm_NumberOfCounterparties": { "xbrltype": "integerItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "NumberOfCounterparties", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Number of central counterparties", "label": "Number Of Counterparties", "documentation": "Number Of Counterparties" } } }, "auth_ref": [] }, "slm_NumeratorAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "NumeratorAbstract", "presentation": [ "http://www.salliemae.com/role/EarningsLossperCommonShareDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Numerator:", "label": "Numerator [Abstract]", "documentation": "Numerator." } } }, "auth_ref": [] }, "us-gaap_OffBalanceSheetCreditLossLiability": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "OffBalanceSheetCreditLossLiability", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/BorrowingsSummaryofExposureRelatedToUnconsolidatedVIEsDetails", "http://www.salliemae.com/role/RegulatoryCapitalAdjustedTransitionAmountsDetails", "http://www.salliemae.com/role/RegulatoryCapitalNarrativeDetails", "http://www.salliemae.com/role/UnfundedLoanCommitmentsScheduleofAllowanceforCreditLossesandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "periodStartLabel": "Beginning balance", "periodEndLabel": "Ending balance", "verboseLabel": "Total Exposure", "terseLabel": "Liability for unfunded commitments", "label": "Off-Balance-Sheet, Credit Loss, Liability", "documentation": "Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging." } } }, "auth_ref": [ "r352", "r418" ] }, "us-gaap_OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/UnfundedLoanCommitmentsScheduleofAllowanceforCreditLossesandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Provision/New commitments - net", "label": "Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal)", "documentation": "Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging." } } }, "auth_ref": [ "r356" ] }, "slm_OffBalanceSheetCreditLossLiabilityTransferFromUnfundedCommitments": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "OffBalanceSheetCreditLossLiabilityTransferFromUnfundedCommitments", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Transfer from unfunded commitment liability", "label": "Off-Balance Sheet, Credit Loss, Liability, Transfer From Unfunded Commitments", "documentation": "Off-Balance Sheet, Credit Loss, Liability, Transfer From Unfunded Commitments" } } }, "auth_ref": [] }, "slm_OffBalanceSheetCreditLossLiabilityWriteoff": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "OffBalanceSheetCreditLossLiabilityWriteoff", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/UnfundedLoanCommitmentsScheduleofAllowanceforCreditLossesandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "negatedLabel": "Transfer - funded loans", "label": "Off-Balance Sheet, Credit Loss, Liability, Writeoff", "documentation": "Off-Balance Sheet, Credit Loss, Liability, Writeoff" } } }, "auth_ref": [] }, "us-gaap_OffsettingAssetsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "OffsettingAssetsTableTextBlock", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Offsetting Assets", "label": "Offsetting Assets [Table Text Block]", "documentation": "Tabular disclosure of derivative and other financial assets that are subject to offsetting, including master netting arrangements." } } }, "auth_ref": [ "r102", "r219" ] }, "us-gaap_OffsettingLiabilitiesTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "OffsettingLiabilitiesTableTextBlock", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Offsetting Liabilities", "label": "Offsetting Liabilities [Table Text Block]", "documentation": "Tabular disclosure of derivative and other financial liabilities that are subject to offsetting, including master netting arrangements." } } }, "auth_ref": [ "r102", "r219" ] }, "us-gaap_OperatingExpensesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "OperatingExpensesAbstract", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Operating expenses:", "label": "Operating Expenses [Abstract]" } } }, "auth_ref": [] }, "slm_OperatingExpensesExcludingAmortizationOfIntangibleAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "OperatingExpensesExcludingAmortizationOfIntangibleAssets", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_NoninterestExpense", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Total operating expenses", "label": "Operating Expenses, Excluding Amortization Of Intangible Assets", "documentation": "Operating Expenses, Excluding Amortization Of Intangible Assets" } } }, "auth_ref": [] }, "us-gaap_OtherAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "OtherAssets", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 2.0 }, "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails", "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "verboseLabel": "Other assets", "terseLabel": "Other Assets", "label": "Other Assets", "documentation": "Amount of assets classified as other." } } }, "auth_ref": [ "r131", "r208", "r669", "r834", "r893" ] }, "us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUnaudited": { "parentTag": "us-gaap_OtherComprehensiveIncomeLossBeforeTax", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Unrealized gains (losses) on investments", "label": "OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax", "documentation": "Amount, before tax and after adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale." } } }, "auth_ref": [ "r223", "r224", "r225", "r682" ] }, "us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalNarrativeDetails" ], "lang": { "en-us": { "role": { "negatedLabel": "Unrealized loss, tax benefit", "label": "OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax", "documentation": "Amount, after adjustment, of tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale." } } }, "auth_ref": [ "r223", "r224", "r226" ] }, "us-gaap_OtherComprehensiveIncomeLossBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "OtherComprehensiveIncomeLossBeforeTax", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUnaudited": { "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Total unrealized gains (losses)", "label": "Other Comprehensive Income (Loss), before Tax", "documentation": "Amount before tax, after reclassification adjustments of other comprehensive income (loss)." } } }, "auth_ref": [ "r237", "r587", "r588", "r593", "r650", "r682", "r1002", "r1003" ] }, "us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUnaudited": { "parentTag": "us-gaap_OtherComprehensiveIncomeLossBeforeTax", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Unrealized gains (losses) on cash flow hedges", "label": "Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax", "documentation": "Amount, after tax and before reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness." } } }, "auth_ref": [ "r222", "r225" ] }, "us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementofChangesinStockholdersEquityDetails": { "parentTag": "slm_ChangeInOtherComprehensiveIncomeLossForUnrealizedGainsLossesOnDerivativesBeforeIncomeTaxExpenseBenefit", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementofChangesinStockholdersEquityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Amount of gain (loss) recognized in other comprehensive income (loss)", "label": "Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax", "documentation": "Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness." } } }, "auth_ref": [ "r222", "r225", "r538", "r539", "r544" ] }, "us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementofChangesinStockholdersEquityDetails": { "parentTag": "slm_ChangeInOtherComprehensiveIncomeLossForUnrealizedGainsLossesOnDerivativesBeforeIncomeTaxExpenseBenefit", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementofChangesinStockholdersEquityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Less: amount of gain (loss) reclassified in interest expense", "label": "Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax", "documentation": "Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness." } } }, "auth_ref": [ "r178", "r225", "r228" ] }, "us-gaap_OtherComprehensiveIncomeLossNetOfTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "OtherComprehensiveIncomeLossNetOfTax", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUnaudited": { "parentTag": "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited", "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Other comprehensive income (loss), net of tax (expense) benefit", "terseLabel": "Other comprehensive loss, net of tax", "label": "Other Comprehensive Income (Loss), Net of Tax", "documentation": "Amount after tax and reclassification adjustments of other comprehensive income (loss)." } } }, "auth_ref": [ "r11", "r17", "r230", "r233", "r237", "r265", "r587", "r588", "r593", "r650", "r682", "r1002", "r1003" ] }, "us-gaap_OtherComprehensiveIncomeLossTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "OtherComprehensiveIncomeLossTax", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUnaudited": { "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUnaudited" ], "lang": { "en-us": { "role": { "negatedLabel": "Income tax (expense) benefit", "label": "Other Comprehensive Income (Loss), Tax", "documentation": "Amount of tax expense (benefit) allocated to other comprehensive income (loss)." } } }, "auth_ref": [ "r2", "r234", "r237", "r512", "r517", "r518", "r587", "r591", "r593", "r650", "r682" ] }, "us-gaap_OtherDebtSecuritiesMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "OtherDebtSecuritiesMember", "presentation": [ "http://www.salliemae.com/role/InvestmentsAmortizedCostandFairValueofSecuritiesAvailableforSaleDetails", "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other securities", "label": "Other Debt Obligations [Member]", "documentation": "Investments in debt securities classified as other." } } }, "auth_ref": [ "r1053", "r1088" ] }, "us-gaap_OtherInterestEarningAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "OtherInterestEarningAssets", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Other interest-earning assets", "label": "Other Interest Earning Assets", "documentation": "Amount of interest earning assets classified as other." } } }, "auth_ref": [] }, "us-gaap_OtherInvestmentNotReadilyMarketableFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "OtherInvestmentNotReadilyMarketableFairValue", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/InvestmentsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Non-marketable securities investment", "label": "Other Investment Not Readily Marketable, Fair Value", "documentation": "Value of the other investment not readily marketable determined by management based upon fair value methods, including pricing of similar securities and valuation techniques, that was used to record the investment for financial reporting purposes." } } }, "auth_ref": [ "r646" ] }, "us-gaap_OtherInvestments": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "OtherInvestments", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_Investments", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Other investments", "label": "Other Investments", "documentation": "Amount of investments classified as other." } } }, "auth_ref": [ "r677", "r997" ] }, "us-gaap_OtherLiabilities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "OtherLiabilities", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_Liabilities", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Other liabilities", "label": "Other Liabilities", "documentation": "Amount of liabilities classified as other." } } }, "auth_ref": [ "r135", "r671", "r732", "r733", "r893", "r1131", "r1136" ] }, "slm_OtherLiabilitiesReserve": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "OtherLiabilitiesReserve", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/CommitmentsContingenciesandGuaranteesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other liabilities reserve", "label": "Other Liabilities Reserve", "documentation": "Other Liabilities Reserve" } } }, "auth_ref": [] }, "us-gaap_OtherNoncashIncomeExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "OtherNoncashIncomeExpense", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 15.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Other adjustments to net income, net", "label": "Other Noncash Income (Expense)", "documentation": "Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other." } } }, "auth_ref": [ "r112" ] }, "us-gaap_OtherNoninterestExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "OtherNoninterestExpense", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "slm_OperatingExpensesExcludingAmortizationOfIntangibleAssets", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Other operating expenses", "label": "Other Noninterest Expense", "documentation": "Amount of noninterest expense classified as other." } } }, "auth_ref": [ "r144" ] }, "ecd_OtherPerfMeasureAmt": { "xbrltype": "decimalItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "OtherPerfMeasureAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Other Performance Measure, Amount", "label": "Other Performance Measure, Amount" } } }, "auth_ref": [ "r942" ] }, "ecd_OutstandingAggtErrCompAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "OutstandingAggtErrCompAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Outstanding Aggregate Erroneous Compensation Amount", "label": "Outstanding Aggregate Erroneous Compensation Amount" } } }, "auth_ref": [ "r904", "r914", "r924", "r956" ] }, "ecd_OutstandingRecoveryCompAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "OutstandingRecoveryCompAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Compensation Amount", "label": "Outstanding Recovery Compensation Amount" } } }, "auth_ref": [ "r907", "r917", "r927", "r959" ] }, "ecd_OutstandingRecoveryIndName": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "OutstandingRecoveryIndName", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Name", "label": "Outstanding Recovery, Individual Name" } } }, "auth_ref": [ "r907", "r917", "r927", "r959" ] }, "slm_ParValueOfMortgageBackedSecuritiesPledgedToFRB": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "ParValueOfMortgageBackedSecuritiesPledgedToFRB", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/InvestmentsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Par value of mortgage-backed securities pledged to FRB", "label": "Par Value Of Mortgage-Backed Securities Pledged To FRB", "documentation": "Par Value Of Mortgage-Backed Securities Pledged To FRB" } } }, "auth_ref": [] }, "slm_PartnerRelationshipsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "PartnerRelationshipsMember", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Partner relationships", "label": "Partner Relationships [Member]", "documentation": "Partner Relationships" } } }, "auth_ref": [] }, "us-gaap_PastDueFinancingReceivablesTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "PastDueFinancingReceivablesTableTextBlock", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Age Analysis of Past Due Loans Delinquencies", "label": "Financing Receivable, Past Due [Table Text Block]", "documentation": "Tabular disclosure of aging analysis for financing receivable." } } }, "auth_ref": [ "r166", "r167", "r843", "r1050" ] }, "ecd_PayVsPerformanceDisclosureLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "PayVsPerformanceDisclosureLineItems", "lang": { "en-us": { "role": { "label": "Pay vs Performance Disclosure [Line Items]" } } }, "auth_ref": [ "r931" ] }, "us-gaap_PaymentsForProceedsFromOtherInterestEarningAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "PaymentsForProceedsFromOtherInterestEarningAssets", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 7.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Decrease in other interest-earning assets", "label": "Payments for (Proceeds from) Other Interest Earning Assets", "documentation": "The net cash outflow or inflow for the increase (decrease) in other interest earning assets not separately disclosed." } } }, "auth_ref": [ "r154" ] }, "us-gaap_PaymentsForRepurchaseOfCommonStock": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "PaymentsForRepurchaseOfCommonStock", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0, "order": 5.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Common stock repurchased", "label": "Payments for Repurchase of Common Stock", "documentation": "The cash outflow to reacquire common stock during the period." } } }, "auth_ref": [ "r108" ] }, "us-gaap_PaymentsOfDebtIssuanceCosts": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "PaymentsOfDebtIssuanceCosts", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0, "order": 10.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "negatedLabel": "Issuance costs for collateralized borrowings", "label": "Payments of Debt Issuance Costs", "documentation": "The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt." } } }, "auth_ref": [ "r26" ] }, "us-gaap_PaymentsOfDividendsCommonStock": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "PaymentsOfDividendsCommonStock", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Common stock dividends paid", "label": "Payments of Ordinary Dividends, Common Stock", "documentation": "Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity." } } }, "auth_ref": [ "r108" ] }, "us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "PaymentsOfDividendsPreferredStockAndPreferenceStock", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0, "order": 8.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "negatedLabel": "Preferred stock dividends paid", "label": "Payments of Ordinary Dividends, Preferred Stock and Preference Stock", "documentation": "Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity." } } }, "auth_ref": [ "r108" ] }, "us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "PaymentsToAcquireAvailableForSaleSecuritiesDebt", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0, "order": 4.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "negatedLabel": "Purchases of available-for-sale securities", "label": "Payments to Acquire Debt Securities, Available-for-Sale", "documentation": "Amount of cash outflow to acquire investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r23", "r241", "r313" ] }, "us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "PaymentsToAcquireInterestInSubsidiariesAndAffiliates", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0, "order": 6.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Purchase of subsidiary, net of cash acquired", "label": "Payments to Acquire Interest in Subsidiaries and Affiliates", "documentation": "The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity)." } } }, "auth_ref": [ "r24" ] }, "ecd_PeerGroupIssuersFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "PeerGroupIssuersFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Peer Group Issuers, Footnote", "label": "Peer Group Issuers, Footnote [Text Block]" } } }, "auth_ref": [ "r941" ] }, "ecd_PeerGroupTotalShareholderRtnAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "PeerGroupTotalShareholderRtnAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Peer Group Total Shareholder Return Amount", "label": "Peer Group Total Shareholder Return Amount" } } }, "auth_ref": [ "r941" ] }, "ecd_PeoActuallyPaidCompAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "PeoActuallyPaidCompAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "PEO Actually Paid Compensation Amount", "label": "PEO Actually Paid Compensation Amount" } } }, "auth_ref": [ "r933" ] }, "ecd_PeoMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "PeoMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "PEO", "label": "PEO [Member]" } } }, "auth_ref": [ "r950" ] }, "ecd_PeoName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "PeoName", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "PEO Name", "label": "PEO Name" } } }, "auth_ref": [ "r943" ] }, "ecd_PeoTotalCompAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "PeoTotalCompAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "PEO Total Compensation Amount", "label": "PEO Total Compensation Amount" } } }, "auth_ref": [ "r932" ] }, "slm_PercentOfBalanceAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "PercentOfBalanceAbstract", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "% of Balance", "label": "Percent Of Balance [Abstract]", "documentation": "Percent Of Balance" } } }, "auth_ref": [] }, "slm_PercentOfPrivateLoans": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "PercentOfPrivateLoans", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Private education loans", "label": "Percent Of Private Loans", "documentation": "Percent of private loans" } } }, "auth_ref": [] }, "slm_PercentOfPrivateLoansIndexedToLIBOROrSOFR": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "PercentOfPrivateLoansIndexedToLIBOROrSOFR", "presentation": [ "http://www.salliemae.com/role/LoansHeldforInvestmentNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Percent of private loans indexed to LIBOR", "label": "Percent of Private Loans indexed to LIBOR Or SOFR", "documentation": "Percent of Private Loans indexed to LIBOR Or SOFR" } } }, "auth_ref": [] }, "slm_PercentageOfLoansInRepaymentBeforeAllowanceForCreditLoss": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "PercentageOfLoansInRepaymentBeforeAllowanceForCreditLoss", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Percentage of Private Education Loans in repayment", "label": "Percentage Of Loans In Repayment, Before Allowance For Credit Loss", "documentation": "Percentage Of Loans In Repayment, Before Allowance For Credit Loss" } } }, "auth_ref": [] }, "slm_PercentageOfLoansInRepaymentOriginatedFiveOrMoreYearsBeforeLatestFiscalYear": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "PercentageOfLoansInRepaymentOriginatedFiveOrMoreYearsBeforeLatestFiscalYear", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Percentage of Private Education Loans in repayment, After Year 5", "label": "Percentage Of Loans In Repayment, Originated Five Or More Years Before Latest Fiscal Year", "documentation": "Percentage Of Loans In Repayment, Originated Five Or More Years Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_PercentageOfLoansInRepaymentOriginatedFourYearsBeforeLatestFiscalYear": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "PercentageOfLoansInRepaymentOriginatedFourYearsBeforeLatestFiscalYear", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Percentage of Private Education Loans in repayment, Year 5", "label": "Percentage Of Loans In Repayment, Originated Four Years Before Latest Fiscal Year", "documentation": "Percentage Of Loans In Repayment, Originated Four Years Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_PercentageOfLoansInRepaymentOriginatedInCurrentFiscalYear": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "PercentageOfLoansInRepaymentOriginatedInCurrentFiscalYear", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Percentage of Private Education Loans in repayment, Year 1", "label": "Percentage Of Loans In Repayment, Originated In Current Fiscal Year", "documentation": "Percentage Of Loans In Repayment, Originated In Current Fiscal Year" } } }, "auth_ref": [] }, "slm_PercentageOfLoansInRepaymentOriginatedInFiscalYearBeforeLatestFiscalYear": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "PercentageOfLoansInRepaymentOriginatedInFiscalYearBeforeLatestFiscalYear", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Percentage of Private Education Loans in repayment, Year 2", "label": "Percentage Of Loans In Repayment, Originated In Fiscal Year Before Latest Fiscal Year", "documentation": "Percentage Of Loans In Repayment, Originated In Fiscal Year Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_PercentageOfLoansInRepaymentOriginatedThreeYearsBeforeLatestFiscalYear": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "PercentageOfLoansInRepaymentOriginatedThreeYearsBeforeLatestFiscalYear", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Percentage of Private Education Loans in repayment, Year 4", "label": "Percentage Of Loans In Repayment, Originated Three Years Before Latest Fiscal Year", "documentation": "Percentage Of Loans In Repayment, Originated Three Years Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_PercentageOfLoansInRepaymentOriginatedTwoYearsBeforeLatestFiscalYear": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "PercentageOfLoansInRepaymentOriginatedTwoYearsBeforeLatestFiscalYear", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Percentage of Private Education Loans in repayment, Year 3", "label": "Percentage Of Loans In Repayment, Originated Two Years Before Latest Fiscal Year", "documentation": "Percentage Of Loans In Repayment, Originated Two Years Before Latest Fiscal Year" } } }, "auth_ref": [] }, "slm_PeriodOfDefermentForAdoptionOfNewAccountingPronouncements": { "xbrltype": "durationItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "PeriodOfDefermentForAdoptionOfNewAccountingPronouncements", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Period of deferment", "label": "Period Of Deferment For Adoption Of New Accounting Pronouncements", "documentation": "Period Of Deferment For Adoption Of New Accounting Pronouncements" } } }, "auth_ref": [] }, "slm_PeriodofLoansPastDueThatHaveAccruedInterest": { "xbrltype": "durationItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "PeriodofLoansPastDueThatHaveAccruedInterest", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Period of loans past due that have accrued interest", "label": "Period of Loans Past Due That Have Accrued Interest", "documentation": "Period of Loans Past Due That Have Accrued Interest" } } }, "auth_ref": [] }, "ecd_PnsnAdjsPrrSvcCstMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "PnsnAdjsPrrSvcCstMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Pension Adjustments Prior Service Cost", "label": "Pension Adjustments Prior Service Cost [Member]" } } }, "auth_ref": [ "r934" ] }, "ecd_PnsnAdjsSvcCstMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "PnsnAdjsSvcCstMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Pension Adjustments Service Cost", "label": "Pension Adjustments Service Cost [Member]" } } }, "auth_ref": [ "r978" ] }, "ecd_PnsnBnftsAdjFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "PnsnBnftsAdjFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Pension Benefits Adjustments, Footnote", "label": "Pension Benefits Adjustments, Footnote [Text Block]" } } }, "auth_ref": [ "r933" ] }, "us-gaap_PortionAtFairValueFairValueDisclosureMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "PortionAtFairValueFairValueDisclosureMember", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1" ], "lang": { "en-us": { "role": { "terseLabel": "Portion at Fair Value Measurement", "label": "Portion at Fair Value Measurement [Member]", "documentation": "Measured at fair value for financial reporting purposes." } } }, "auth_ref": [ "r584" ] }, "us-gaap_PreferredStockDividendRatePerDollarAmount": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "PreferredStockDividendRatePerDollarAmount", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnauditedParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Preferred stock dividend rate (in dollars per share)", "label": "Preferred Stock, Dividend Rate, Per-Dollar-Amount", "documentation": "The amount per share used to calculated dividend payments on preferred stock." } } }, "auth_ref": [ "r460" ] }, "us-gaap_PreferredStockDividendsIncomeStatementImpact": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "PreferredStockDividendsIncomeStatementImpact", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/EarningsLossperCommonShareDetails": { "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic", "weight": -1.0, "order": 2.0 }, "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited", "http://www.salliemae.com/role/EarningsLossperCommonShareDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Preferred stock dividends", "label": "Preferred Stock Dividends, Income Statement Impact", "documentation": "The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders." } } }, "auth_ref": [] }, "us-gaap_PreferredStockLiquidationPreference": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "PreferredStockLiquidationPreference", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnauditedParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Preferred stock, liquidation preference (in dollars per share)", "label": "Preferred Stock, Liquidation Preference Per Share", "documentation": "The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share." } } }, "auth_ref": [ "r35", "r36", "r93", "r1010", "r1085" ] }, "us-gaap_PreferredStockMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "PreferredStockMember", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Preferred Stock", "label": "Preferred Stock [Member]", "documentation": "Preferred shares may provide a preferential dividend to the dividend on common stock and may take precedence over common stock in the event of a liquidation. Preferred shares typically represent an ownership interest in the company." } } }, "auth_ref": [ "r881", "r882", "r885", "r886", "r887", "r890", "r1134", "r1138" ] }, "us-gaap_PreferredStockParOrStatedValuePerShare": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "PreferredStockParOrStatedValuePerShare", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnauditedParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Preferred stock, par or stated value (in dollars per share)", "label": "Preferred Stock, Par or Stated Value Per Share", "documentation": "Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer." } } }, "auth_ref": [ "r93", "r459" ] }, "us-gaap_PreferredStockSharesAuthorized": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "PreferredStockSharesAuthorized", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnauditedParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Preferred stock, shares authorized (in shares)", "label": "Preferred Stock, Shares Authorized", "documentation": "The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws." } } }, "auth_ref": [ "r93", "r738" ] }, "us-gaap_PreferredStockSharesOutstanding": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "PreferredStockSharesOutstanding", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnauditedParenthetical" ], "lang": { "en-us": { "role": { "verboseLabel": "Preferred stock, shares issued (in shares)", "label": "Preferred Stock, Shares Outstanding", "documentation": "Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased." } } }, "auth_ref": [ "r93", "r738", "r756", "r1138", "r1139" ] }, "us-gaap_PreferredStockValueOutstanding": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "PreferredStockValueOutstanding", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "slm_StockholdersEquityAttributableToParentExcludingTreasuryStock", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Series B: 2.5 million and 2.5 million shares issued, respectively, at stated value of $100 per share", "label": "Preferred Stock, Value, Outstanding", "documentation": "Value of nonredeemable preferred shares and preferred shares redeemable solely at option of issuer, held by shareholders. Excludes preferred shares repurchased and held as treasury shares." } } }, "auth_ref": [ "r93", "r738" ] }, "us-gaap_PrincipalAmountOutstandingOnLoansHeldForSaleOrSecuritization": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "PrincipalAmountOutstandingOnLoansHeldForSaleOrSecuritization", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Private education loan term accounted for as a secured financing", "label": "Loan, Held-for-Sale or Securitization or Asset-Backed Financing Arrangement, Principal Outstanding", "documentation": "This is the principal amount outstanding for loans which are in the process of being securitized as of the date of the statement of financial position (across all types of loans)." } } }, "auth_ref": [ "r15" ] }, "slm_PrivateEducationLoanSecuritizationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "PrivateEducationLoanSecuritizationMember", "presentation": [ "http://www.salliemae.com/role/BorrowingsCompanyBorrowingsDetails", "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails", "http://www.salliemae.com/role/BorrowingsSummaryofExposureRelatedToUnconsolidatedVIEsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Private Education Loan term securitizations", "label": "Private Education Loan Securitization [Member]", "documentation": "Private Education Loan Securitization [Member]" } } }, "auth_ref": [] }, "slm_PrivateEducationLoansAtOrigination": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "PrivateEducationLoansAtOrigination", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Private education loans at origination", "label": "Private Education Loans At Origination", "documentation": "Private Education Loans At Origination" } } }, "auth_ref": [] }, "slm_PrivateEducationLoansGrossPercentage": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "PrivateEducationLoansGrossPercentage", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total in percent", "label": "Private Education Loans Gross, Percentage", "documentation": "Private education loans gross in percent." } } }, "auth_ref": [] }, "slm_PrivateEducationLoansMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "PrivateEducationLoansMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPasDueLoansDelinquenciesDefermentDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivablesthatSubsequentlyDefaultedDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivableswithLoanModificationsDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesPaymentStatusAmortizedCostBasisDetails", "http://www.salliemae.com/role/BorrowingsNarrativeDetails", "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1", "http://www.salliemae.com/role/LoansHeldforInvestmentNarrativeDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfolioAverageBalancesDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfoliobyProgramDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Private Education Loans", "verboseLabel": "Private Education Loans", "label": "Private Education Loans [Member]", "documentation": "Private education loans." } } }, "auth_ref": [] }, "slm_PrivateEducationLoansSecuritizedIn2023Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "PrivateEducationLoansSecuritizedIn2023Member", "presentation": [ "http://www.salliemae.com/role/BorrowingsSecuredFinancingDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Private Education Loans Securitized In 2023", "label": "Private Education Loans Securitized In 2023 [Member]", "documentation": "Private Education Loans Securitized In 2023" } } }, "auth_ref": [] }, "slm_PrivateEducationLoansSecuritizedIn2024Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "PrivateEducationLoansSecuritizedIn2024Member", "presentation": [ "http://www.salliemae.com/role/BorrowingsSecuredFinancingDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Private Education Loans Securitized In 2024", "label": "Private Education Loans Securitized In 2024 [Member]", "documentation": "Private Education Loans Securitized In 2024" } } }, "auth_ref": [] }, "slm_ProceedsFromClaimPayments": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "ProceedsFromClaimPayments", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Proceeds from FFELP Loan claim payments", "label": "Proceeds From Claim Payments", "documentation": "Proceeds From Claim Payments" } } }, "auth_ref": [] }, "us-gaap_ProceedsFromIncomeTaxRefunds": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ProceedsFromIncomeTaxRefunds", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Income taxes refunded", "label": "Proceeds from Income Tax Refunds", "documentation": "Amount of income tax refund received from tax jurisdiction." } } }, "auth_ref": [ "r28", "r110", "r1009", "r1090", "r1091" ] }, "us-gaap_ProceedsFromIssuanceOfUnsecuredDebt": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ProceedsFromIssuanceOfUnsecuredDebt", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Unsecured debt issued", "label": "Proceeds from Issuance of Unsecured Debt", "documentation": "The cash inflow from the issuance of long-term debt that is not secured by collateral. Excludes proceeds from tax exempt unsecured debt." } } }, "auth_ref": [ "r25" ] }, "us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Proceeds from sales and maturities of available-for-sale securities", "label": "Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale", "documentation": "Amount of cash inflow from sale, maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r241", "r242", "r1034" ] }, "us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ProceedsFromSaleOfAvailableForSaleSecuritiesDebt", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Private education loans sold", "label": "Proceeds from Sale of Debt Securities, Available-for-Sale", "documentation": "Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r22", "r241", "r313", "r345" ] }, "us-gaap_ProceedsFromSaleOfFinanceReceivables": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ProceedsFromSaleOfFinanceReceivables", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/LoansHeldforInvestmentNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Proceeds from sale of loans receivable", "label": "Proceeds from Sale of Finance Receivables", "documentation": "The cash inflow associated with the sale of receivables arising from the financing of goods and services." } } }, "auth_ref": [ "r1007" ] }, "us-gaap_ProfitLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ProfitLoss", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited": { "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic", "weight": 1.0, "order": 1.0 }, "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUnaudited": { "parentTag": "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest", "weight": 1.0, "order": 1.0 }, "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited", "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited", "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUnaudited", "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Net income (loss)", "terseLabel": "Net income (loss)", "verboseLabel": "Net income", "label": "Net Income (Loss), Including Portion Attributable to Noncontrolling Interest", "documentation": "The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest." } } }, "auth_ref": [ "r204", "r229", "r232", "r245", "r253", "r259", "r265", "r268", "r269", "r346", "r421", "r422", "r423", "r424", "r425", "r426", "r427", "r428", "r429", "r524", "r528", "r529", "r532", "r533", "r558", "r586", "r654", "r680", "r705", "r758", "r775", "r776", "r860", "r861", "r892", "r1004", "r1080" ] }, "us-gaap_PropertyPlantAndEquipmentNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "PropertyPlantAndEquipmentNet", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 11.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Premises and equipment, net", "label": "Property, Plant and Equipment, Net", "documentation": "Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures." } } }, "auth_ref": [ "r7", "r601", "r655", "r678", "r876" ] }, "ecd_PvpTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "PvpTable", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Pay vs Performance Disclosure", "label": "Pay vs Performance Disclosure [Table]" } } }, "auth_ref": [ "r931" ] }, "ecd_PvpTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "PvpTableTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Pay vs Performance Disclosure, Table", "label": "Pay vs Performance [Table Text Block]" } } }, "auth_ref": [ "r931" ] }, "us-gaap_QualifiedAffordableHousingProjectInvestmentsCommitment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "QualifiedAffordableHousingProjectInvestmentsCommitment", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/InvestmentsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Liability for unfunded commitments", "label": "Investment Program, Proportional Amortization Method, Elected, Commitment", "documentation": "Amount of commitment and contingent commitment, including amount of delayed equity contribution, for investment that generates income tax credit and other income tax benefit under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, commitment and contingent commitment related to investment under tax credit program not meeting condition for accounting under proportional amortization method." } } }, "auth_ref": [ "r982" ] }, "srt_RangeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2024", "localname": "RangeAxis", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivableswithLoanModificationsDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails", "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Statistical Measurement [Axis]", "label": "Statistical Measurement [Axis]", "documentation": "Information by statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median." } } }, "auth_ref": [ "r193", "r194", "r195", "r196", "r197", "r200", "r201", "r414", "r415", "r416", "r417", "r475", "r482", "r507", "r508", "r509", "r511", "r564", "r614", "r625", "r641", "r687", "r689", "r697", "r728", "r729", "r783", "r785", "r787", "r788", "r802", "r820", "r821", "r835", "r852", "r858", "r868", "r869", "r873", "r874", "r878", "r883", "r1075", "r1084", "r1100", "r1121", "r1122", "r1123", "r1124", "r1125" ] }, "srt_RangeMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2024", "localname": "RangeMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivableswithLoanModificationsDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails", "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Statistical Measurement [Domain]", "label": "Statistical Measurement [Domain]", "documentation": "Statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median." } } }, "auth_ref": [ "r193", "r194", "r195", "r196", "r197", "r200", "r201", "r414", "r415", "r416", "r417", "r475", "r482", "r507", "r508", "r509", "r511", "r564", "r614", "r625", "r641", "r687", "r689", "r697", "r728", "r729", "r783", "r785", "r787", "r788", "r802", "r820", "r821", "r835", "r852", "r858", "r868", "r869", "r873", "r874", "r878", "r883", "r1075", "r1084", "r1100", "r1121", "r1122", "r1123", "r1124", "r1125" ] }, "us-gaap_ReceivablesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ReceivablesAbstract", "lang": { "en-us": { "role": { "terseLabel": "Receivables [Abstract]", "label": "Receivables [Abstract]" } } }, "auth_ref": [] }, "us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Reclassification out of Accumulated Other Comprehensive Income [Axis]", "label": "Reclassification out of Accumulated Other Comprehensive Income [Axis]", "documentation": "Information by item reclassified out of accumulated other comprehensive income (loss)." } } }, "auth_ref": [ "r236" ] }, "us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Reclassification out of Accumulated Other Comprehensive Income [Domain]", "label": "Reclassification out of Accumulated Other Comprehensive Income [Domain]", "documentation": "Item reclassified out of accumulated other comprehensive income (loss)." } } }, "auth_ref": [ "r236" ] }, "us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Reclassification out of Accumulated Other Comprehensive Income", "label": "Reclassification out of Accumulated Other Comprehensive Income [Member]", "documentation": "Identifies item reclassified out of accumulated other comprehensive income (loss)." } } }, "auth_ref": [ "r236" ] }, "ecd_RecoveryOfErrCompDisclosureLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "RecoveryOfErrCompDisclosureLineItems", "lang": { "en-us": { "role": { "label": "Recovery of Erroneously Awarded Compensation Disclosure [Line Items]" } } }, "auth_ref": [ "r899", "r909", "r919", "r951" ] }, "us-gaap_RegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "RegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapital" ], "lang": { "en-us": { "role": { "terseLabel": "Regulatory Capital", "label": "Regulatory Capital Requirements under Banking Regulations [Text Block]", "documentation": "The entire disclosure for regulatory capital requirement for depository and lending institutions. Institutions include, but not are not limited to, finance company, insured depository institution, bank holding company, savings and loan association holding company, bank and savings institution not federally insured, mortgage company, foreign financial institution and credit union." } } }, "auth_ref": [ "r656", "r657", "r658", "r660", "r661", "r662", "r664", "r665" ] }, "slm_RepaymentsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "RepaymentsMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Seasoning", "label": "Repayments [Member]", "documentation": "Repayments credit quality indicators that are developed and used internally by the company." } } }, "auth_ref": [] }, "ecd_RestatementDateAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "RestatementDateAxis", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Restatement Determination Date:", "label": "Restatement Determination Date [Axis]" } } }, "auth_ref": [ "r900", "r910", "r920", "r952" ] }, "ecd_RestatementDeterminationDate": { "xbrltype": "dateItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "RestatementDeterminationDate", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Restatement Determination Date", "label": "Restatement Determination Date" } } }, "auth_ref": [ "r901", "r911", "r921", "r953" ] }, "ecd_RestatementDoesNotRequireRecoveryTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "RestatementDoesNotRequireRecoveryTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Restatement does not require Recovery", "label": "Restatement Does Not Require Recovery [Text Block]" } } }, "auth_ref": [ "r908", "r918", "r928", "r960" ] }, "us-gaap_RestrictedCashAndInvestments": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "RestrictedCashAndInvestments", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "weight": 1.0, "order": 1.0 }, "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 1.0 }, "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 7.0 } }, "presentation": [ "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails", "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited", "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "verboseLabel": "Restricted cash", "terseLabel": "Restricted Cash", "label": "Restricted Cash and Investments", "documentation": "Cash and investments whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet." } } }, "auth_ref": [ "r816", "r817" ] }, "slm_RetailAndOtherDeposits": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "RetailAndOtherDeposits", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/DepositsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Retail and other deposits", "label": "Retail And Other Deposits", "documentation": "Retail And Other Deposits" } } }, "auth_ref": [] }, "us-gaap_RetainedEarningsAccumulatedDeficit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "RetainedEarningsAccumulatedDeficit", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "slm_StockholdersEquityAttributableToParentExcludingTreasuryStock", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited", "http://www.salliemae.com/role/RegulatoryCapitalAdjustedTransitionAmountsDetails", "http://www.salliemae.com/role/RegulatoryCapitalNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Retained earnings", "label": "Retained Earnings (Accumulated Deficit)", "documentation": "Amount of accumulated undistributed earnings (deficit)." } } }, "auth_ref": [ "r97", "r120", "r675", "r694", "r696", "r703", "r739", "r876" ] }, "us-gaap_RetainedEarningsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "RetainedEarningsMember", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Retained Earnings", "label": "Retained Earnings [Member]", "documentation": "Accumulated undistributed earnings (deficit)." } } }, "auth_ref": [ "r202", "r255", "r256", "r257", "r260", "r265", "r267", "r269", "r347", "r348", "r403", "r514", "r515", "r521", "r522", "r523", "r525", "r527", "r528", "r545", "r547", "r548", "r551", "r556", "r598", "r600", "r691", "r693", "r706", "r1138" ] }, "us-gaap_RetainedInterestMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "RetainedInterestMember", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValueMeasurementInputsandValuationTechniquesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Trading - Residual Interests", "label": "Retained Interest [Member]", "documentation": "This item represents the interest continued to be held by a transferor (retained or residual interest) after transferring financial assets to a third party." } } }, "auth_ref": [ "r129" ] }, "us-gaap_RiskBasedRatiosAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "RiskBasedRatiosAbstract", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalUSBaselIIIRegulatoryRequirementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Actual Ratio", "label": "Banking Regulation, Risk-Based Information [Abstract]" } } }, "auth_ref": [] }, "ecd_Rule10b51ArrAdoptedFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "Rule10b51ArrAdoptedFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Rule 10b5-1 Arrangement Adopted", "label": "Rule 10b5-1 Arrangement Adopted [Flag]" } } }, "auth_ref": [ "r969" ] }, "ecd_Rule10b51ArrTrmntdFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "Rule10b51ArrTrmntdFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Rule 10b5-1 Arrangement Terminated", "label": "Rule 10b5-1 Arrangement Terminated [Flag]" } } }, "auth_ref": [ "r969" ] }, "slm_Rule10b51TradingPlanMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "Rule10b51TradingPlanMember", "presentation": [ "http://www.salliemae.com/role/StockholdersEquityNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Rule 10b5-1 Trading Plan", "label": "Rule 10b5-1 Trading Plan [Member]", "documentation": "Rule 10b5-1 Trading Plan" } } }, "auth_ref": [] }, "slm_SMBPrivateEducationLoanTrust2023AMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SMBPrivateEducationLoanTrust2023AMember", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails", "http://www.salliemae.com/role/BorrowingsSecuredFinancingDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2023-A", "label": "SMB Private Education Loan Trust 2023-A [Member]", "documentation": "SMB Private Education Loan Trust 2023-A" } } }, "auth_ref": [] }, "slm_SMBPrivateEducationLoanTrust2023CMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SMBPrivateEducationLoanTrust2023CMember", "presentation": [ "http://www.salliemae.com/role/BorrowingsSecuredFinancingDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2023-C", "label": "SMB Private Education Loan Trust 2023-C [Member]", "documentation": "SMB Private Education Loan Trust 2023-C" } } }, "auth_ref": [] }, "slm_SMBPrivateEducationLoanTrust2024BMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SMBPrivateEducationLoanTrust2024BMember", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2024-B", "label": "SMB Private Education Loan Trust 2024-B [Member]", "documentation": "SMB Private Education Loan Trust 2024-B" } } }, "auth_ref": [] }, "slm_SMBPrivateEducationLoanTrust2024CMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SMBPrivateEducationLoanTrust2024CMember", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails", "http://www.salliemae.com/role/BorrowingsSecuredFinancingDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2024-C", "label": "SMB Private Education Loan Trust 2024-C [Member]", "documentation": "SMB Private Education Loan Trust 2024-C" } } }, "auth_ref": [] }, "slm_SMBPrivateEducationLoanTrust2024DMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SMBPrivateEducationLoanTrust2024DMember", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2024-D", "label": "SMB Private Education Loan Trust 2024-D [Member]", "documentation": "SMB Private Education Loan Trust 2024-D" } } }, "auth_ref": [] }, "slm_SMBPrivateEducationLoanTrust2024EMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SMBPrivateEducationLoanTrust2024EMember", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails", "http://www.salliemae.com/role/BorrowingsSecuredFinancingDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2024-E", "label": "SMB Private Education Loan Trust 2024-E [Member]", "documentation": "SMB Private Education Loan Trust 2024-E" } } }, "auth_ref": [] }, "slm_SMBPrivateEducationLoanTrust2024R1Member": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SMBPrivateEducationLoanTrust2024R1Member", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2024-R1", "label": "SMB Private Education Loan Trust 2024-R1 [Member]", "documentation": "SMB Private Education Loan Trust 2024-R1" } } }, "auth_ref": [] }, "us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ScheduleOfAccountsNotesLoansAndFinancingReceivableTable", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAllowanceandRecordedInvestmentsinLoansDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivablesthatSubsequentlyDefaultedDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivableswithLoanModificationsDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesPaymentStatusAmortizedCostBasisDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentNarrativeDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfolioAverageBalancesDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfoliobyProgramDetails", "http://www.salliemae.com/role/LoansHeldforSaleDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Accounts, Notes, Loans and Financing Receivable [Table]", "label": "Accounts and Financing Receivables [Table]", "documentation": "Disclosure of information about accounts and financing receivables. Includes, but is not limited to, amount of receivable and allowance for credit loss." } } }, "auth_ref": [ "r95", "r101", "r304", "r1031" ] }, "us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "presentation": [ "http://www.salliemae.com/role/LoansHeldforInvestmentTables" ], "lang": { "en-us": { "role": { "verboseLabel": "Schedule of Loans Held for Investment", "label": "Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]", "documentation": "Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables." } } }, "auth_ref": [ "r95", "r101" ] }, "us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss)", "label": "Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]", "documentation": "Tabular disclosure of the components of accumulated other comprehensive income (loss)." } } }, "auth_ref": [ "r21", "r1114", "r1115" ] }, "us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ScheduleOfAvailableForSaleSecuritiesLineItems", "presentation": [ "http://www.salliemae.com/role/InvestmentsAmortizedCostandFairValueofSecuritiesAvailableforSaleDetails", "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails", "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Debt Securities, Available-for-sale [Line Items]", "label": "Debt Securities, Available-for-Sale [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r315", "r316", "r317", "r318", "r319", "r320", "r321", "r322", "r323", "r324", "r325", "r326" ] }, "us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock", "presentation": [ "http://www.salliemae.com/role/InvestmentsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Amortized Cost and Fair Value of Securities Available-for-Sale", "label": "Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]", "documentation": "Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value." } } }, "auth_ref": [] }, "us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTable", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalAdjustedTransitionAmountsDetails", "http://www.salliemae.com/role/RegulatoryCapitalNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table]", "label": "Banking Regulation, Regulatory Capital Requirement, Compliance [Table]", "documentation": "Disclosure of information about compliance with regulatory capital requirement. Includes, but is not limited to, required and actual ratios and amount of regulatory capital." } } }, "auth_ref": [ "r1127", "r1128" ] }, "us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Compliance with Regulatory Capital Requirements Under Banking Regulations", "label": "Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]", "documentation": "Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity." } } }, "auth_ref": [ "r659", "r663" ] }, "us-gaap_ScheduleOfDebtTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ScheduleOfDebtTableTextBlock", "presentation": [ "http://www.salliemae.com/role/BorrowingsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Debt", "label": "Schedule of Debt [Table Text Block]", "documentation": "Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation." } } }, "auth_ref": [] }, "slm_ScheduleOfDepositsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "ScheduleOfDepositsTableTextBlock", "presentation": [ "http://www.salliemae.com/role/DepositsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Deposits", "label": "Schedule Of Deposits [Table Text Block]", "documentation": "Schedule of Deposits [Table Text Block]" } } }, "auth_ref": [] }, "us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Impact of Derivatives on the Consolidated Statements of Income", "label": "Derivative Instruments, Gain (Loss) [Table Text Block]", "documentation": "Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments." } } }, "auth_ref": [ "r67", "r69", "r540" ] }, "us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Impact of Derivatives on the Consolidated Balance Sheet", "label": "Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]", "documentation": "Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position." } } }, "auth_ref": [ "r68" ] }, "us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "presentation": [ "http://www.salliemae.com/role/EarningsLossperCommonShareTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Earnings Per Share, Basic and Diluted", "label": "Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]", "documentation": "Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations." } } }, "auth_ref": [ "r1020" ] }, "us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Valuation of Financial Instruments that are Marked-to-Market on Recurring Basis", "label": "Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]", "documentation": "Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3)." } } }, "auth_ref": [ "r1097", "r1098" ] }, "us-gaap_ScheduleOfFairValueHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ScheduleOfFairValueHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Cumulative Basis Adjustments for Fair Value Hedges", "label": "Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]", "documentation": "Tabular disclosure for fair value hedging instruments of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position." } } }, "auth_ref": [ "r70" ] }, "us-gaap_ScheduleOfFinancingReceivablesPastDueTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ScheduleOfFinancingReceivablesPastDueTable", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAccruedInterestReceivableDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPasDueLoansDelinquenciesDefermentDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Financing Receivable, Past Due [Table]", "label": "Financing Receivable, Past Due [Table]", "documentation": "Disclosure of information about aging analysis for financing receivable." } } }, "auth_ref": [ "r843", "r1050" ] }, "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ScheduleOfFiniteLivedIntangibleAssetsTable", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Finite-Lived Intangible Assets [Table]", "label": "Intangible Asset, Finite-Lived [Table]", "documentation": "Disclosure of information about finite-lived intangible asset. Excludes indefinite-lived intangible asset." } } }, "auth_ref": [ "r390", "r397", "r400", "r401", "r402", "r643", "r822", "r846" ] }, "us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Acquired Intangible Assets", "label": "Schedule of Finite-Lived Intangible Assets [Table Text Block]", "documentation": "Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment." } } }, "auth_ref": [ "r846", "r1065" ] }, "us-gaap_ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Notional Amounts of Outstanding Derivative Positions", "label": "Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]", "documentation": "Tabular disclosure of the notional amounts of outstanding derivative positions." } } }, "auth_ref": [ "r61" ] }, "us-gaap_ScheduleOfSecuritiesFinancingTransactionsTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ScheduleOfSecuritiesFinancingTransactionsTextBlock", "presentation": [ "http://www.salliemae.com/role/BorrowingsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Securities Financing Transactions", "label": "Schedule of Securities Financing Transactions [Table Text Block]", "documentation": "Tabular disclosure of securities financing transactions including resale and repurchase agreements, securities borrowed and lending transactions, securities received as collateral and obligations to return securities received as collateral." } } }, "auth_ref": [ "r130", "r219" ] }, "us-gaap_ScheduleOfStockByClassTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ScheduleOfStockByClassTable", "presentation": [ "http://www.salliemae.com/role/StockholdersEquityNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Stock by Class [Table]", "label": "Stock, Class of Stock [Table]", "documentation": "Disclosure of information about stock by class. Includes, but is not limited to, common, convertible, and preferred stocks." } } }, "auth_ref": [ "r33", "r34", "r35", "r36", "r37", "r38", "r116", "r118", "r119", "r120", "r211", "r212", "r213", "r295", "r459", "r460", "r461", "r463", "r466", "r471", "r473", "r699", "r700", "r701", "r702", "r852", "r981", "r1010" ] }, "us-gaap_ScheduleOfTreasuryStockByClassTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ScheduleOfTreasuryStockByClassTextBlock", "presentation": [ "http://www.salliemae.com/role/StockholdersEquityTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Common Share Repurchases", "label": "Class of Treasury Stock [Table Text Block]", "documentation": "Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock." } } }, "auth_ref": [ "r39", "r40", "r41", "r42" ] }, "us-gaap_ScheduleOfVariableInterestEntitiesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ScheduleOfVariableInterestEntitiesTextBlock", "presentation": [ "http://www.salliemae.com/role/BorrowingsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Variable Interest Entities", "label": "Schedule of Variable Interest Entities [Table Text Block]", "documentation": "Tabular disclosure of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide." } } }, "auth_ref": [ "r52", "r53", "r54", "r55", "r56" ] }, "slm_SchollyIncMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SchollyIncMember", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Scholly, Inc.", "label": "Scholly, Inc. [Member]", "documentation": "Scholly, Inc." } } }, "auth_ref": [] }, "slm_SchoolFICORefreshedAmountsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SchoolFICORefreshedAmountsMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "FICO Refreshed", "label": "School FICO, Refreshed Amounts [Member]", "documentation": "School FICO, Refreshed Amounts [Member]" } } }, "auth_ref": [] }, "slm_SchoolFicoMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SchoolFicoMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "FICO at Origination", "label": "School Fico [Member]", "documentation": "School type fico credit quality indicators that are developed and used internally by the company." } } }, "auth_ref": [] }, "slm_SeasoningBasedOnMonthlyScheduledPaymentsDueFromMoreThanFortyEightPaymentsInPercent": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SeasoningBasedOnMonthlyScheduledPaymentsDueFromMoreThanFortyEightPaymentsInPercent", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "slm_PrivateEducationLoansGrossPercentage", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Seasoning based on monthly scheduled payments due from more than 48 payments", "label": "Seasoning Based On Monthly Scheduled Payments Due From More Than Forty Eight Payments In Percent", "documentation": "Seasoning based on monthly scheduled payments due from more than forty eight payments in percent" } } }, "auth_ref": [] }, "slm_SeasoningBasedOnMonthlyScheduledPaymentsDueFromMoreThanFortyEightPaymentsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SeasoningBasedOnMonthlyScheduledPaymentsDueFromMoreThanFortyEightPaymentsMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "More than 48 payments", "label": "Seasoning Based On Monthly Scheduled Payments Due From More Than Forty Eight Payments [Member]", "documentation": "Seasoning Based On Monthly Scheduled Payments Due From More Than Forty Eight Payments [Member]" } } }, "auth_ref": [] }, "slm_SeasoningBasedOnMonthlyScheduledPaymentsDueFromNotYetInRepaymentInPercent": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SeasoningBasedOnMonthlyScheduledPaymentsDueFromNotYetInRepaymentInPercent", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "slm_PrivateEducationLoansGrossPercentage", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Seasoning based on monthly scheduled payments due from not yet in repayment", "label": "Seasoning Based On Monthly Scheduled Payments Due From Not Yet In Repayment In Percent", "documentation": "Seasoning based on monthly scheduled payments due from not yet in repayment in percent" } } }, "auth_ref": [] }, "slm_SeasoningBasedOnMonthlyScheduledPaymentsDueFromNotYetInRepaymentMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SeasoningBasedOnMonthlyScheduledPaymentsDueFromNotYetInRepaymentMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Not yet in repayment", "label": "Seasoning Based On Monthly Scheduled Payments Due From Not Yet In Repayment [Member]", "documentation": "Seasoning Based On Monthly Scheduled Payments Due From Not Yet In Repayment [Member]" } } }, "auth_ref": [] }, "slm_SeasoningBasedOnMonthlyScheduledPaymentsDueFromOneToTwelvePaymentsInPercent": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SeasoningBasedOnMonthlyScheduledPaymentsDueFromOneToTwelvePaymentsInPercent", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "slm_PrivateEducationLoansGrossPercentage", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Seasoning based on monthly scheduled payments due from 1-12 payments", "label": "Seasoning Based On Monthly Scheduled Payments Due From One To Twelve Payments In Percent", "documentation": "Seasoning based on monthly scheduled payments due from one to twelve payments in percent." } } }, "auth_ref": [] }, "slm_SeasoningBasedOnMonthlyScheduledPaymentsDueFromOneToTwelvePaymentsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SeasoningBasedOnMonthlyScheduledPaymentsDueFromOneToTwelvePaymentsMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "1-12 payments", "label": "Seasoning Based On Monthly Scheduled Payments Due From One To Twelve Payments [Member]", "documentation": "Seasoning Based On Monthly Scheduled Payments Due From One To Twelve Payments [Member]" } } }, "auth_ref": [] }, "slm_SeasoningBasedOnMonthlyScheduledPaymentsDueFromThirteenToTwentyFourPaymentsInPercent": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SeasoningBasedOnMonthlyScheduledPaymentsDueFromThirteenToTwentyFourPaymentsInPercent", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "slm_PrivateEducationLoansGrossPercentage", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Seasoning based on monthly scheduled payments due from 13 - 24 payments", "label": "Seasoning Based On Monthly Scheduled Payments Due From Thirteen To Twenty Four Payments In Percent", "documentation": "Seasoning based on monthly scheduled payments due from thirteen to twenty four payments in percent." } } }, "auth_ref": [] }, "slm_SeasoningBasedOnMonthlyScheduledPaymentsDueFromThirteenToTwentyFourPaymentsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SeasoningBasedOnMonthlyScheduledPaymentsDueFromThirteenToTwentyFourPaymentsMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "13-24 payments", "label": "Seasoning Based On Monthly Scheduled Payments Due From Thirteen To Twenty Four Payments [Member]", "documentation": "Seasoning Based On Monthly Scheduled Payments Due From Thirteen To Twenty Four Payments [Member]" } } }, "auth_ref": [] }, "slm_SeasoningBasedOnMonthlyScheduledPaymentsDueFromThirtySevenToFortyEightPaymentsInPercent": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SeasoningBasedOnMonthlyScheduledPaymentsDueFromThirtySevenToFortyEightPaymentsInPercent", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "slm_PrivateEducationLoansGrossPercentage", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Seasoning based on monthly scheduled payments due from 37 - 48 payments", "label": "Seasoning Based On Monthly Scheduled Payments Due From Thirty Seven To Forty Eight Payments In Percent", "documentation": "Seasoning based on monthly scheduled payments due from thirty seven to forty eight payments in percent." } } }, "auth_ref": [] }, "slm_SeasoningBasedOnMonthlyScheduledPaymentsDueFromThirtySevenToFortyEightPaymentsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SeasoningBasedOnMonthlyScheduledPaymentsDueFromThirtySevenToFortyEightPaymentsMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "37-48 payments", "label": "Seasoning Based On Monthly Scheduled Payments Due From Thirty Seven To Forty Eight Payments [Member]", "documentation": "Seasoning Based On Monthly Scheduled Payments Due From Thirty Seven To Forty Eight Payments [Member]" } } }, "auth_ref": [] }, "slm_SeasoningBasedOnMonthlyScheduledPaymentsDueFromTwentyFiveToThirtySixPaymentsInPercent": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SeasoningBasedOnMonthlyScheduledPaymentsDueFromTwentyFiveToThirtySixPaymentsInPercent", "calculation": { "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails": { "parentTag": "slm_PrivateEducationLoansGrossPercentage", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Seasoning based on monthly scheduled payments due from 25 - 36 payments", "label": "Seasoning Based On Monthly Scheduled Payments Due From Twenty Five To Thirty Six Payments In Percent", "documentation": "Seasoning based on monthly scheduled payments due from thirteen to twenty four payments in percent" } } }, "auth_ref": [] }, "slm_SeasoningBasedOnMonthlyScheduledPaymentsDueFromTwentyFiveToThirtySixPaymentsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "SeasoningBasedOnMonthlyScheduledPaymentsDueFromTwentyFiveToThirtySixPaymentsMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "25-36 payments", "label": "Seasoning Based On Monthly Scheduled Payments Due From Twenty Five To Thirty Six Payments [Member]", "documentation": "Seasoning Based On Monthly Scheduled Payments Due From Twenty Five To Thirty Six Payments [Member]" } } }, "auth_ref": [] }, "us-gaap_SecuredDebtMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "SecuredDebtMember", "presentation": [ "http://www.salliemae.com/role/BorrowingsCompanyBorrowingsDetails", "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Secured Borrowings", "label": "Secured Debt [Member]", "documentation": "Collateralized debt obligation backed by, for example, but not limited to, pledge, mortgage or other lien on the entity's assets." } } }, "auth_ref": [] }, "us-gaap_SecuritiesFinancingTransactionLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "SecuritiesFinancingTransactionLineItems", "presentation": [ "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails", "http://www.salliemae.com/role/BorrowingsSecuredFinancingDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Securities Financing Transaction [Line Items]", "label": "Securities Financing Transaction [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [] }, "us-gaap_SecuritiesFinancingTransactionTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "SecuritiesFinancingTransactionTable", "presentation": [ "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails", "http://www.salliemae.com/role/BorrowingsSecuredFinancingDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Securities Financing Transaction [Table]", "label": "Security Financing Transaction [Table]", "documentation": "Disclosure of information about security financing transaction by measurement type." } } }, "auth_ref": [ "r130" ] }, "us-gaap_SecuritiesLoanedFairValueOfCollateral": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "SecuritiesLoanedFairValueOfCollateral", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loans pledged as collateral", "label": "Securities Loaned, Fair Value of Collateral", "documentation": "Fair value of the securities pledged as collateral against securities loaned." } } }, "auth_ref": [ "r221" ] }, "dei_Security12bTitle": { "xbrltype": "securityTitleItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "Security12bTitle", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Title of 12(b) Security", "label": "Title of 12(b) Security", "documentation": "Title of a 12(b) registered security." } } }, "auth_ref": [ "r894" ] }, "dei_SecurityExchangeName": { "xbrltype": "edgarExchangeCodeItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "SecurityExchangeName", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Security Exchange Name", "label": "Security Exchange Name", "documentation": "Name of the Exchange on which a security is registered." } } }, "auth_ref": [ "r896" ] }, "us-gaap_SeriesBPreferredStockMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "SeriesBPreferredStockMember", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited", "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnauditedParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Series B Preferred Stock", "label": "Series B Preferred Stock [Member]", "documentation": "Series B preferred stock." } } }, "auth_ref": [ "r999", "r1000", "r1086" ] }, "us-gaap_ShareBasedCompensation": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ShareBasedCompensation", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 18.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "verboseLabel": "Stock-based compensation expense", "label": "Share-Based Payment Arrangement, Noncash Expense", "documentation": "Amount of noncash expense for share-based payment arrangement." } } }, "auth_ref": [ "r4" ] }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "All Award Types", "label": "Award Type [Domain]", "documentation": "Award under share-based payment arrangement." } } }, "auth_ref": [ "r485", "r486", "r487", "r488", "r489", "r490", "r491", "r492", "r493", "r494", "r495", "r496", "r497", "r498", "r499", "r500", "r501", "r502", "r503", "r504", "r505", "r506", "r507", "r508", "r509", "r510" ] }, "us-gaap_SharePrice": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "SharePrice", "presentation": [ "http://www.salliemae.com/role/StockholdersEquityNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Common stock closing price (in dollars per share)", "label": "Share Price", "documentation": "Price of a single share of a number of saleable stocks of a company." } } }, "auth_ref": [] }, "srt_ShareRepurchaseProgramAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2024", "localname": "ShareRepurchaseProgramAxis", "presentation": [ "http://www.salliemae.com/role/StockholdersEquityNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Share Repurchase Program [Axis]", "label": "Share Repurchase Program [Axis]", "documentation": "Information by share repurchase program." } } }, "auth_ref": [ "r1087" ] }, "srt_ShareRepurchaseProgramDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2024", "localname": "ShareRepurchaseProgramDomain", "presentation": [ "http://www.salliemae.com/role/StockholdersEquityNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Share Repurchase Program [Domain]", "label": "Share Repurchase Program [Domain]", "documentation": "Name of share repurchase program." } } }, "auth_ref": [ "r1087" ] }, "us-gaap_SharesIssued": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "SharesIssued", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited" ], "lang": { "en-us": { "role": { "periodStartLabel": "Beginning balance, shares issued (in shares)", "periodEndLabel": "Ending balance, shares issued (in shares)", "label": "Shares, Issued", "documentation": "Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury." } } }, "auth_ref": [ "r11" ] }, "us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "SharesPaidForTaxWithholdingForShareBasedCompensation", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited", "http://www.salliemae.com/role/StockholdersEquityCommonStockRepurchasedDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Shares repurchased related to employee stock-based compensation plans (in shares)", "terseLabel": "Shares repurchased related to employee stock-based compensation plans (in shares)", "label": "Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation", "documentation": "Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement." } } }, "auth_ref": [] }, "us-gaap_ShortTermBorrowings": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ShortTermBorrowings", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/BorrowingsCompanyBorrowingsDetails": { "parentTag": "us-gaap_DebtLongtermAndShorttermCombinedAmount", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/BorrowingsCompanyBorrowingsDetails", "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails", "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Short-Term", "terseLabel": "Short-term borrowings", "label": "Short-Term Debt", "documentation": "Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer." } } }, "auth_ref": [ "r83", "r134", "r876", "r1129" ] }, "us-gaap_ShortTermDebtTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ShortTermDebtTypeAxis", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Short-Term Debt, Type [Axis]", "label": "Short-Term Debt, Type [Axis]", "documentation": "Information by type of short-term debt arrangement." } } }, "auth_ref": [ "r85", "r1072", "r1073", "r1074" ] }, "us-gaap_ShortTermDebtTypeDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ShortTermDebtTypeDomain", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Short-Term Debt, Type [Domain]", "label": "Short-Term Debt, Type [Domain]", "documentation": "Type of short-term debt arrangement, such as notes, line of credit, commercial paper, asset-based financing, project financing, letter of credit financing." } } }, "auth_ref": [ "r83", "r1072", "r1073", "r1074" ] }, "us-gaap_SignificantAccountingPoliciesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "SignificantAccountingPoliciesTextBlock", "presentation": [ "http://www.salliemae.com/role/SignificantAccountingPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Significant Accounting Policies", "label": "Significant Accounting Policies [Text Block]", "documentation": "The entire disclosure for all significant accounting policies of the reporting entity." } } }, "auth_ref": [ "r113", "r250" ] }, "slm_StableInterestBearingDepositsTotal": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "StableInterestBearingDepositsTotal", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/DepositsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Stable interest-bearing deposits, total", "label": "Stable Interest-Bearing Deposits, Total", "documentation": "Stable Interest-Bearing Deposits, Total" } } }, "auth_ref": [] }, "us-gaap_StatementClassOfStockAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "StatementClassOfStockAxis", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited", "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnauditedParenthetical", "http://www.salliemae.com/role/Coverpage", "http://www.salliemae.com/role/StockholdersEquityNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Class of Stock [Axis]", "label": "Class of Stock [Axis]", "documentation": "Information by the different classes of stock of the entity." } } }, "auth_ref": [ "r181", "r211", "r212", "r213", "r253", "r275", "r279", "r286", "r288", "r295", "r296", "r346", "r421", "r423", "r424", "r425", "r428", "r429", "r459", "r460", "r463", "r466", "r473", "r586", "r699", "r700", "r701", "r702", "r706", "r707", "r708", "r709", "r710", "r711", "r712", "r713", "r714", "r715", "r716", "r717", "r738", "r759", "r777", "r808", "r809", "r810", "r811", "r812", "r981", "r1010", "r1019" ] }, "us-gaap_StatementEquityComponentsAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "StatementEquityComponentsAxis", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited", "http://www.salliemae.com/role/DerivativeFinancialInstrumentsImpactofDerivativesonConsolidatedStatementsofIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Equity Components [Axis]", "label": "Equity Components [Axis]", "documentation": "Information by component of equity." } } }, "auth_ref": [ "r11", "r94", "r98", "r99", "r202", "r234", "r235", "r236", "r255", "r256", "r257", "r260", "r265", "r267", "r269", "r294", "r347", "r348", "r403", "r474", "r514", "r515", "r521", "r522", "r523", "r525", "r527", "r528", "r545", "r546", "r547", "r548", "r549", "r551", "r556", "r587", "r589", "r590", "r591", "r592", "r593", "r598", "r600", "r603", "r682", "r691", "r692", "r693", "r706", "r777" ] }, "us-gaap_StatementLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "StatementLineItems", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited", "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnauditedParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Statement [Line Items]", "label": "Statement [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r255", "r256", "r257", "r294", "r600", "r642", "r698", "r717", "r730", "r731", "r732", "r733", "r734", "r735", "r738", "r741", "r742", "r743", "r744", "r745", "r746", "r747", "r748", "r749", "r751", "r752", "r753", "r754", "r755", "r757", "r760", "r761", "r763", "r764", "r765", "r766", "r767", "r768", "r769", "r770", "r771", "r772", "r773", "r774", "r777", "r884" ] }, "us-gaap_StatementOfCashFlowsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "StatementOfCashFlowsAbstract", "lang": { "en-us": { "role": { "terseLabel": "Statement of Cash Flows [Abstract]", "label": "Statement of Cash Flows [Abstract]" } } }, "auth_ref": [] }, "us-gaap_StatementOfFinancialPositionAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "StatementOfFinancialPositionAbstract", "lang": { "en-us": { "role": { "terseLabel": "Statement of Financial Position [Abstract]", "label": "Statement of Financial Position [Abstract]" } } }, "auth_ref": [] }, "us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "StatementOfIncomeAndComprehensiveIncomeAbstract", "lang": { "en-us": { "role": { "terseLabel": "Statement of Comprehensive Income [Abstract]", "label": "Statement of Comprehensive Income [Abstract]" } } }, "auth_ref": [] }, "us-gaap_StatementOfStockholdersEquityAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "StatementOfStockholdersEquityAbstract", "lang": { "en-us": { "role": { "terseLabel": "Statement of Stockholders' Equity [Abstract]", "label": "Statement of Stockholders' Equity [Abstract]" } } }, "auth_ref": [] }, "us-gaap_StatementTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "StatementTable", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited", "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnauditedParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Statement [Table]", "label": "Statement [Table]", "documentation": "Disclosure of information about statement of comprehensive income, income, other comprehensive income, financial position, cash flows, and shareholders' equity." } } }, "auth_ref": [ "r255", "r256", "r257", "r294", "r303", "r600", "r642", "r698", "r717", "r730", "r731", "r732", "r733", "r734", "r735", "r738", "r741", "r742", "r743", "r744", "r745", "r746", "r747", "r748", "r749", "r751", "r752", "r753", "r754", "r755", "r757", "r760", "r761", "r763", "r764", "r765", "r766", "r767", "r768", "r769", "r770", "r771", "r772", "r773", "r774", "r777", "r884" ] }, "ecd_StkPrcOrTsrEstimationMethodTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "StkPrcOrTsrEstimationMethodTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Stock Price or TSR Estimation Method", "label": "Stock Price or TSR Estimation Method [Text Block]" } } }, "auth_ref": [ "r903", "r913", "r923", "r955" ] }, "us-gaap_StockAppreciationRightsSARSMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "StockAppreciationRightsSARSMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Stock Appreciation Rights (SARs)", "label": "Stock Appreciation Rights (SARs) [Member]", "documentation": "Right to receive cash or shares equal to appreciation of predetermined number of grantor's shares during predetermined time period." } } }, "auth_ref": [] }, "us-gaap_StockIssuedDuringPeriodSharesNewIssues": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "StockIssuedDuringPeriodSharesNewIssues", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited", "http://www.salliemae.com/role/StockholdersEquityCommonStockRepurchasedDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Issuance of common shares (in shares)", "verboseLabel": "Common shares issued (in shares)", "label": "Stock Issued During Period, Shares, New Issues", "documentation": "Number of new stock issued during the period." } } }, "auth_ref": [ "r11", "r93", "r94", "r120", "r699", "r777", "r809" ] }, "us-gaap_StockIssuedDuringPeriodValueNewIssues": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "StockIssuedDuringPeriodValueNewIssues", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Issuance of common shares", "label": "Stock Issued During Period, Value, New Issues", "documentation": "Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering." } } }, "auth_ref": [ "r11", "r93", "r94", "r120", "r706", "r777", "r809", "r892" ] }, "srt_StockRepurchaseProgramAuthorizedAmount1": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/srt/2024", "localname": "StockRepurchaseProgramAuthorizedAmount1", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/StockholdersEquityNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate purchase price (not to exceed)", "label": "Share Repurchase Program, Authorized, Amount", "documentation": "Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership." } } }, "auth_ref": [ "r1087" ] }, "us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/StockholdersEquityCommonStockRepurchasedDetails", "http://www.salliemae.com/role/StockholdersEquityNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Remaining authority under the share repurchase program", "label": "Share Repurchase Program, Remaining Authorized, Amount", "documentation": "Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership." } } }, "auth_ref": [] }, "us-gaap_StockholdersEquityAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "StockholdersEquityAbstract", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Equity", "label": "Equity, Attributable to Parent [Abstract]" } } }, "auth_ref": [] }, "slm_StockholdersEquityAttributableToParentExcludingTreasuryStock": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "StockholdersEquityAttributableToParentExcludingTreasuryStock", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Total SLM Corporation stockholders\u2019 equity before treasury stock", "label": "Stockholders' Equity Attributable To Parent, Excluding Treasury Stock", "documentation": "Stockholders' Equity Attributable To Parent, Excluding Treasury Stock" } } }, "auth_ref": [] }, "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited", "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited" ], "lang": { "en-us": { "role": { "totalLabel": "Total equity", "periodStartLabel": "Beginning balance", "periodEndLabel": "Ending balance", "label": "Equity, Including Portion Attributable to Noncontrolling Interest", "documentation": "Amount of equity (deficit) attributable to parent and noncontrolling interest. Excludes temporary equity." } } }, "auth_ref": [ "r49", "r50", "r57", "r202", "r203", "r235", "r255", "r256", "r257", "r260", "r265", "r267", "r347", "r348", "r403", "r474", "r514", "r515", "r521", "r522", "r523", "r525", "r527", "r528", "r545", "r546", "r547", "r548", "r549", "r551", "r556", "r587", "r589", "r593", "r599", "r603", "r692", "r693", "r704", "r740", "r756", "r778", "r779", "r813", "r892", "r1012", "r1046", "r1113", "r1138" ] }, "us-gaap_StockholdersEquityNoteDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "StockholdersEquityNoteDisclosureTextBlock", "presentation": [ "http://www.salliemae.com/role/StockholdersEquity" ], "lang": { "en-us": { "role": { "terseLabel": "Stockholders' Equity", "label": "Equity [Text Block]", "documentation": "The entire disclosure for equity." } } }, "auth_ref": [ "r117", "r252", "r458", "r460", "r462", "r463", "r464", "r465", "r466", "r467", "r468", "r469", "r470", "r472", "r474", "r553", "r780", "r781", "r814" ] }, "us-gaap_StudentLoanMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "StudentLoanMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAgeAnalysisofPastDueLoansDelinquenciesDetails", "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Student Loan", "label": "Student Loan [Member]", "documentation": "Loan to finance tuition costs." } } }, "auth_ref": [ "r1027" ] }, "slm_StudentLoansAcquiredAndOriginated": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "StudentLoansAcquiredAndOriginated", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0, "order": 7.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Loans acquired and originated", "label": "Student Loans Acquired And Originated", "documentation": "Student Loans Acquired And Originated" } } }, "auth_ref": [] }, "us-gaap_SubsequentEventLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "SubsequentEventLineItems", "presentation": [ "http://www.salliemae.com/role/SubsequentEventsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Subsequent Event [Line Items]", "label": "Subsequent Event [Line Items]", "documentation": "Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event." } } }, "auth_ref": [ "r594", "r606" ] }, "us-gaap_SubsequentEventMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "SubsequentEventMember", "presentation": [ "http://www.salliemae.com/role/SubsequentEventsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Subsequent Event", "label": "Subsequent Event [Member]", "documentation": "Identifies event that occurred after the balance sheet date but before financial statements are issued or available to be issued." } } }, "auth_ref": [ "r594", "r606" ] }, "us-gaap_SubsequentEventTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "SubsequentEventTable", "presentation": [ "http://www.salliemae.com/role/SubsequentEventsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Subsequent Event Table", "label": "Subsequent Event [Table]", "documentation": "Disclosure of information about significant event or transaction occurring between statement of financial position date and date when financial statements were issued." } } }, "auth_ref": [ "r594", "r606" ] }, "us-gaap_SubsequentEventTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "SubsequentEventTypeAxis", "presentation": [ "http://www.salliemae.com/role/SubsequentEventsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Subsequent Event Type [Axis]", "label": "Subsequent Event Type [Axis]", "documentation": "Information by event that occurred after the balance sheet date but before financial statements are issued or available to be issued." } } }, "auth_ref": [ "r594", "r606" ] }, "us-gaap_SubsequentEventTypeDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "SubsequentEventTypeDomain", "presentation": [ "http://www.salliemae.com/role/SubsequentEventsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Subsequent Event Type [Domain]", "label": "Subsequent Event Type [Domain]", "documentation": "Event that occurred after the balance sheet date but before financial statements are issued or available to be issued." } } }, "auth_ref": [ "r594", "r606" ] }, "us-gaap_SubsequentEventsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "SubsequentEventsAbstract", "lang": { "en-us": { "role": { "label": "Subsequent Events [Abstract]" } } }, "auth_ref": [] }, "us-gaap_SubsequentEventsTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "SubsequentEventsTextBlock", "presentation": [ "http://www.salliemae.com/role/SubsequentEvent" ], "lang": { "en-us": { "role": { "terseLabel": "Subsequent Event", "label": "Subsequent Events [Text Block]", "documentation": "The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business." } } }, "auth_ref": [ "r605", "r607" ] }, "us-gaap_SupplementalCashFlowInformationAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "SupplementalCashFlowInformationAbstract", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Cash disbursements made for:", "label": "Supplemental Cash Flow Information [Abstract]" } } }, "auth_ref": [] }, "ecd_TabularListTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "TabularListTableTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Tabular List, Table", "label": "Tabular List [Table Text Block]" } } }, "auth_ref": [ "r949" ] }, "slm_ThirdPartyBrokerFeesPaid": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "ThirdPartyBrokerFeesPaid", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/DepositsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Third party broker fees paid", "label": "Third Party Broker Fees Paid", "documentation": "Third Party Broker Fees Paid" } } }, "auth_ref": [] }, "slm_ThresholdPeriodPastDueForWriteOffOfFinancingReceivable": { "xbrltype": "durationItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "ThresholdPeriodPastDueForWriteOffOfFinancingReceivable", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Threshold period when delinquent loans are written off", "label": "Threshold Period Past Due For Write-off Of Financing Receivable", "documentation": "Threshold Period Past Due For Write-off Of Financing Receivable" } } }, "auth_ref": [] }, "slm_TierOneCommonEquityCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "TierOneCommonEquityCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalUSBaselIIIRegulatoryRequirementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Common Equity Tier 1 Capital (to Risk-Weighted Assets)", "label": "Tier One Common Equity Capital Required To Be Well Capitalized To Risk Weighted Assets", "documentation": "Tier One Common Equity Capital Required To Be Well Capitalized To Risk Weighted Assets" } } }, "auth_ref": [] }, "slm_TierOneCommonEquityCapitaltoRiskWeightedAssets": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "TierOneCommonEquityCapitaltoRiskWeightedAssets", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalUSBaselIIIRegulatoryRequirementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Common Equity Tier 1 Capital (to Risk-Weighted Assets)", "label": "Tier One Common Equity Capital to Risk Weighted Assets", "documentation": "Tier One Common Equity Capital to Risk Weighted Assets" } } }, "auth_ref": [] }, "us-gaap_TierOneLeverageCapital": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TierOneLeverageCapital", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalUSBaselIIIRegulatoryRequirementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Tier 1 Capital (to Average Assets)", "label": "Banking Regulation, Tier 1 Leverage Capital, Actual", "documentation": "Amount of Tier 1 leverage capital as defined by regulatory framework." } } }, "auth_ref": [ "r659" ] }, "us-gaap_TierOneLeverageCapitalAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TierOneLeverageCapitalAbstract", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalUSBaselIIIRegulatoryRequirementsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "U.S. Basel III Regulatory Requirements, Amount", "label": "Banking Regulation, Tier 1 Leverage Capital [Abstract]" } } }, "auth_ref": [] }, "us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TierOneLeverageCapitalRequiredToBeWellCapitalized", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalUSBaselIIIRegulatoryRequirementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Tier 1 Capital (to Average Assets)", "label": "Banking Regulation, Tier 1 Leverage Capital, Well Capitalized, Minimum", "documentation": "Amount of minimum Tier 1 leverage capital categorized as well capitalized as defined by regulatory framework for prompt corrective action." } } }, "auth_ref": [ "r659" ] }, "us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets": { "xbrltype": "pureItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalUSBaselIIIRegulatoryRequirementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Tier 1 Capital (to Average Assets)", "label": "Banking Regulation, Tier 1 Leverage Capital Ratio, Well Capitalized, Minimum", "documentation": "Ratio of minimum Tier 1 leverage capital to average assets categorized as well capitalized as defined by regulatory framework for prompt corrective action." } } }, "auth_ref": [ "r659" ] }, "us-gaap_TierOneLeverageCapitalToAverageAssets": { "xbrltype": "pureItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TierOneLeverageCapitalToAverageAssets", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalUSBaselIIIRegulatoryRequirementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Tier 1 Capital (to Average Assets)", "label": "Banking Regulation, Tier 1 Leverage Capital Ratio, Actual", "documentation": "Ratio of Tier 1 capital to average assets as defined by regulatory framework." } } }, "auth_ref": [ "r659" ] }, "us-gaap_TierOneRiskBasedCapital": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TierOneRiskBasedCapital", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalUSBaselIIIRegulatoryRequirementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Tier 1 Capital (to Risk-Weighted Assets)", "label": "Banking Regulation, Tier 1 Risk-Based Capital, Actual", "documentation": "Amount of Tier 1 risk-based capital as defined by regulatory framework." } } }, "auth_ref": [ "r659" ] }, "slm_TierOneRiskBasedCapitalForCommonEquityRequiredToBeCapitalized": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "TierOneRiskBasedCapitalForCommonEquityRequiredToBeCapitalized", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalUSBaselIIIRegulatoryRequirementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Common Equity Tier 1 Capital (to Risk-Weighted Assets)", "label": "Tier One Risk Based Capital For Common Equity Required To Be Capitalized", "documentation": "Tier One Risk Based Capital For Common Equity Required To Be Capitalized" } } }, "auth_ref": [] }, "us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TierOneRiskBasedCapitalRequiredToBeWellCapitalized", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalUSBaselIIIRegulatoryRequirementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Tier 1 Capital (to Risk-Weighted Assets)", "label": "Banking Regulation, Tier 1 Risk-Based Capital, Well Capitalized, Minimum", "documentation": "Amount of minimum Tier 1 risk-based capital categorized as well capitalized as defined by regulatory framework for prompt corrective action." } } }, "auth_ref": [ "r659" ] }, "us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets": { "xbrltype": "pureItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalUSBaselIIIRegulatoryRequirementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Tier 1 Capital (to Risk-Weighted Assets)", "label": "Banking Regulation, Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum", "documentation": "Ratio of minimum Tier 1 risk-based capital to risk-weighted assets categorized as well capitalized as defined by regulatory framework for prompt corrective action." } } }, "auth_ref": [ "r659" ] }, "us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets": { "xbrltype": "pureItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TierOneRiskBasedCapitalToRiskWeightedAssets", "presentation": [ "http://www.salliemae.com/role/RegulatoryCapitalUSBaselIIIRegulatoryRequirementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Tier 1 Capital (to Risk-Weighted Assets)", "label": "Banking Regulation, Tier 1 Risk-Based Capital Ratio, Actual", "documentation": "Ratio of Tier 1 risk-based capital to risk-weighted assets as defined by regulatory framework." } } }, "auth_ref": [ "r659" ] }, "slm_TierOneofGovernmentGuarantee": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "TierOneofGovernmentGuarantee", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesNarrativeDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Tier 1 of government guarantee (at least)", "label": "Tier One of Government Guarantee", "documentation": "Tier One of Government Guarantee" } } }, "auth_ref": [] }, "slm_TierThreeofGovernmentGuarantee": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "TierThreeofGovernmentGuarantee", "presentation": [ "http://www.salliemae.com/role/LoansHeldforInvestmentNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Tier 3 of government guarantee", "label": "Tier Three of Government Guarantee", "documentation": "Tier Three of Government Guarantee" } } }, "auth_ref": [] }, "slm_TierTwoofGovernmentGuarantee": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "TierTwoofGovernmentGuarantee", "presentation": [ "http://www.salliemae.com/role/LoansHeldforInvestmentNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Tier 2 of government guarantee", "label": "Tier Two of Government Guarantee", "documentation": "Tier Two of Government Guarantee" } } }, "auth_ref": [] }, "us-gaap_TimeDepositMaturitiesAfterRollingYearFive": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TimeDepositMaturitiesAfterRollingYearFive", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DepositsScheduleofRemainingMaturitiesofCertificatesofDepositDetails": { "parentTag": "us-gaap_TimeDeposits", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.salliemae.com/role/DepositsScheduleofRemainingMaturitiesofCertificatesofDepositDetails" ], "lang": { "en-us": { "role": { "terseLabel": "After five years", "label": "Time Deposit Maturities, after Rolling Year Five", "documentation": "Amount of time deposits maturing after the fifth rolling twelve months following the latest balance sheet. Time deposits include, but are not limited to, certificates of deposits. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date." } } }, "auth_ref": [] }, "us-gaap_TimeDepositMaturitiesNextRollingTwelveMonths": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TimeDepositMaturitiesNextRollingTwelveMonths", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DepositsScheduleofRemainingMaturitiesofCertificatesofDepositDetails": { "parentTag": "us-gaap_TimeDeposits", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/DepositsScheduleofRemainingMaturitiesofCertificatesofDepositDetails" ], "lang": { "en-us": { "role": { "terseLabel": "One year or less", "label": "Time Deposit Maturities, Next Rolling 12 Months", "documentation": "Amount of time deposits maturing in the next rolling twelve months following the latest balance sheet. Time deposits include, but are not limited to, certificates of deposits. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date." } } }, "auth_ref": [] }, "us-gaap_TimeDepositMaturitiesRollingYearFive": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TimeDepositMaturitiesRollingYearFive", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DepositsScheduleofRemainingMaturitiesofCertificatesofDepositDetails": { "parentTag": "us-gaap_TimeDeposits", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/DepositsScheduleofRemainingMaturitiesofCertificatesofDepositDetails" ], "lang": { "en-us": { "role": { "terseLabel": "After four years to five years", "label": "Time Deposit Maturities, Rolling Year Five", "documentation": "Amount of time deposits maturing in the fifth rolling twelve months following the latest balance sheet. Time deposits include, but are not limited to, certificates of deposits. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date." } } }, "auth_ref": [] }, "us-gaap_TimeDepositMaturitiesRollingYearFour": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TimeDepositMaturitiesRollingYearFour", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DepositsScheduleofRemainingMaturitiesofCertificatesofDepositDetails": { "parentTag": "us-gaap_TimeDeposits", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.salliemae.com/role/DepositsScheduleofRemainingMaturitiesofCertificatesofDepositDetails" ], "lang": { "en-us": { "role": { "terseLabel": "After three years to four years", "label": "Time Deposit Maturities, Rolling Year Four", "documentation": "Amount of time deposits maturing in the fourth rolling twelve months following the latest balance sheet. Time deposits include, but are not limited to, certificates of deposits. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date." } } }, "auth_ref": [] }, "us-gaap_TimeDepositMaturitiesRollingYearThree": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TimeDepositMaturitiesRollingYearThree", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DepositsScheduleofRemainingMaturitiesofCertificatesofDepositDetails": { "parentTag": "us-gaap_TimeDeposits", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.salliemae.com/role/DepositsScheduleofRemainingMaturitiesofCertificatesofDepositDetails" ], "lang": { "en-us": { "role": { "terseLabel": "After two years to three years", "label": "Time Deposit Maturities, Rolling Year Three", "documentation": "Amount of time deposits maturing in the third rolling twelve months following the latest balance sheet. Time deposits include, but are not limited to, certificates of deposits. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date." } } }, "auth_ref": [] }, "us-gaap_TimeDepositMaturitiesRollingYearTwo": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TimeDepositMaturitiesRollingYearTwo", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DepositsScheduleofRemainingMaturitiesofCertificatesofDepositDetails": { "parentTag": "us-gaap_TimeDeposits", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.salliemae.com/role/DepositsScheduleofRemainingMaturitiesofCertificatesofDepositDetails" ], "lang": { "en-us": { "role": { "terseLabel": "After one year to two years", "label": "Time Deposit Maturities, Rolling Year Two", "documentation": "Amount of time deposits maturing in the second rolling twelve months following the latest balance sheet. Time deposits include, but are not limited to, certificates of deposits. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date." } } }, "auth_ref": [] }, "us-gaap_TimeDepositMaturitiesTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TimeDepositMaturitiesTableTextBlock", "presentation": [ "http://www.salliemae.com/role/DepositsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Certificates of Deposit Maturities", "label": "Time Deposit Maturities [Table Text Block]", "documentation": "Tabular disclosure of time deposit liability maturities." } } }, "auth_ref": [ "r8" ] }, "us-gaap_TimeDeposits": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TimeDeposits", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/DepositsScheduleofRemainingMaturitiesofCertificatesofDepositDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/DepositsScheduleofRemainingMaturitiesofCertificatesofDepositDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total", "label": "Time Deposits", "documentation": "Amount of time deposit liabilities, including certificates of deposit." } } }, "auth_ref": [ "r9", "r133" ] }, "ecd_TotalShareholderRtnAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "TotalShareholderRtnAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Total Shareholder Return Amount", "label": "Total Shareholder Return Amount" } } }, "auth_ref": [ "r941" ] }, "ecd_TotalShareholderRtnVsPeerGroupTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "TotalShareholderRtnVsPeerGroupTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Total Shareholder Return Vs Peer Group", "label": "Total Shareholder Return Vs Peer Group [Text Block]" } } }, "auth_ref": [ "r948" ] }, "us-gaap_TrademarksAndTradeNamesMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TrademarksAndTradeNamesMember", "presentation": [ "http://www.salliemae.com/role/GoodwillandAcquiredIntangibleAssetsScheduleofAcquiredIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Tradename and trademarks", "label": "Trademarks and Trade Names [Member]", "documentation": "Rights acquired through registration of a trademark to gain or protect exclusive use of a business name, symbol or other device or style, or rights either acquired through registration of a business name to gain or protect exclusive use thereof." } } }, "auth_ref": [ "r47", "r1059", "r1060", "r1061", "r1062", "r1063", "r1064", "r1066", "r1067", "r1068", "r1069" ] }, "us-gaap_TradingActivityByTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TradingActivityByTypeAxis", "presentation": [ "http://www.salliemae.com/role/BorrowingsCompanyBorrowingsDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfoliobyProgramDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Trading Activity [Axis]", "label": "Trading Activity [Axis]", "documentation": "Information by type of trading activity." } } }, "auth_ref": [ "r127" ] }, "us-gaap_TradingActivityByTypeDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TradingActivityByTypeDomain", "presentation": [ "http://www.salliemae.com/role/BorrowingsCompanyBorrowingsDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfoliobyProgramDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Trading Activity, by Type [Domain]", "label": "Trading Activity, by Type [Domain]", "documentation": "Gains and losses on trading activities (including both derivative and nonderivative instruments) recognized in the statement of financial performance, separately by major types of items (such as fixed income/interest rates, foreign exchange, equity, commodity, and credit)." } } }, "auth_ref": [ "r127" ] }, "ecd_TradingArrAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "TradingArrAxis", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Trading Arrangement:", "label": "Trading Arrangement [Axis]" } } }, "auth_ref": [ "r968" ] }, "ecd_TradingArrByIndTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "TradingArrByIndTable", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Trading Arrangements, by Individual", "label": "Trading Arrangements, by Individual [Table]" } } }, "auth_ref": [ "r970" ] }, "us-gaap_TradingSecurities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TradingSecurities", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/BorrowingsSummaryofExposureRelatedToUnconsolidatedVIEsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Equity Interests", "label": "Debt Securities, Trading, and Equity Securities, FV-NI", "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI)." } } }, "auth_ref": [ "r139", "r210", "r825" ] }, "us-gaap_TradingSecuritiesDebt": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TradingSecuritiesDebt", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_Investments", "weight": 1.0, "order": 1.0 }, "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails": { "parentTag": "us-gaap_AssetsFairValueDisclosure", "weight": 1.0, "order": 2.0 }, "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1": { "parentTag": "us-gaap_AssetsFairValueDisclosure", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited", "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails", "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1", "http://www.salliemae.com/role/FairValueMeasurementsValuationofFinancialInstrumentsThatareMarkedtoMarketonRecurringBasisDetails", "http://www.salliemae.com/role/InvestmentsNarrativeDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Trading investments at fair value (cost of $43,373 and $43,412, respectively)", "terseLabel": "Trading investments", "label": "Debt Securities, Trading", "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading)." } } }, "auth_ref": [ "r210", "r560", "r825", "r1033", "r1099", "r1100", "r1101" ] }, "us-gaap_TradingSecuritiesDebtAmortizedCost": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TradingSecuritiesDebtAmortizedCost", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnauditedParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Trading investments, cost", "label": "Debt Securities, Trading, Amortized Cost", "documentation": "Amortized cost of investments in debt securities classified as trading." } } }, "auth_ref": [ "r668", "r998" ] }, "dei_TradingSymbol": { "xbrltype": "tradingSymbolItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "TradingSymbol", "presentation": [ "http://www.salliemae.com/role/Coverpage" ], "lang": { "en-us": { "role": { "terseLabel": "Trading Symbol", "label": "Trading Symbol", "documentation": "Trading symbol of an instrument as listed on an exchange." } } }, "auth_ref": [] }, "us-gaap_TransfersAndServicingAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TransfersAndServicingAbstract", "lang": { "en-us": { "role": { "label": "Transfers and Servicing [Abstract]" } } }, "auth_ref": [] }, "us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails_1", "http://www.salliemae.com/role/InvestmentsAmortizedCostandFairValueofSecuritiesAvailableforSaleDetails", "http://www.salliemae.com/role/InvestmentsMaturityTableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Financial Instruments [Domain]", "label": "Financial Instruments [Domain]", "documentation": "Instrument or contract that imposes a contractual obligation to deliver cash or another financial instrument or to exchange other financial instruments on potentially unfavorable terms and conveys a contractual right to receive cash or another financial instrument or to exchange other financial instruments on potentially favorable terms." } } }, "auth_ref": [ "r315", "r316", "r317", "r318", "r319", "r320", "r321", "r322", "r323", "r324", "r325", "r326", "r327", "r328", "r329", "r330", "r331", "r332", "r333", "r334", "r335", "r336", "r337", "r338", "r339", "r340", "r341", "r342", "r343", "r344", "r455", "r471", "r552", "r581", "r608", "r609", "r610", "r611", "r612", "r613", "r614", "r615", "r616", "r618", "r619", "r620", "r621", "r623", "r624", "r626", "r627", "r628", "r629", "r630", "r631", "r632", "r633", "r634", "r635", "r636", "r637", "r638", "r639", "r640", "r683", "r864", "r866", "r868", "r869", "r870", "r871", "r872", "r873", "r874", "r877", "r983", "r984", "r985", "r986", "r987", "r988", "r989", "r1042", "r1043", "r1044", "r1045", "r1096", "r1099", "r1100", "r1101", "r1108", "r1111" ] }, "ecd_TrdArrAdoptionDate": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "TrdArrAdoptionDate", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Adoption Date", "label": "Trading Arrangement Adoption Date" } } }, "auth_ref": [ "r971" ] }, "ecd_TrdArrDuration": { "xbrltype": "durationItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "TrdArrDuration", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Arrangement Duration", "label": "Trading Arrangement Duration" } } }, "auth_ref": [ "r972" ] }, "ecd_TrdArrExpirationDate": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "TrdArrExpirationDate", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Expiration Date", "label": "Trading Arrangement Expiration Date" } } }, "auth_ref": [ "r972" ] }, "ecd_TrdArrIndName": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "TrdArrIndName", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Name", "label": "Trading Arrangement, Individual Name" } } }, "auth_ref": [ "r970" ] }, "ecd_TrdArrIndTitle": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "TrdArrIndTitle", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Title", "label": "Trading Arrangement, Individual Title" } } }, "auth_ref": [ "r970" ] }, "ecd_TrdArrSecuritiesAggAvailAmt": { "xbrltype": "sharesItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "TrdArrSecuritiesAggAvailAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Available", "label": "Trading Arrangement, Securities Aggregate Available Amount" } } }, "auth_ref": [ "r973" ] }, "ecd_TrdArrTerminationDate": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "TrdArrTerminationDate", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Termination Date", "label": "Trading Arrangement Termination Date" } } }, "auth_ref": [ "r971" ] }, "us-gaap_TreasuryStockAcquiredAverageCostPerShare": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TreasuryStockAcquiredAverageCostPerShare", "presentation": [ "http://www.salliemae.com/role/StockholdersEquityCommonStockRepurchasedDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Average purchase price per share (in dollars per share)", "label": "Shares Acquired, Average Cost Per Share", "documentation": "Total cost of shares repurchased divided by the total number of shares repurchased." } } }, "auth_ref": [ "r39" ] }, "slm_TreasuryStockAcquiredAverageCostPerShareIncludingCommissionCosts": { "xbrltype": "perShareItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "TreasuryStockAcquiredAverageCostPerShareIncludingCommissionCosts", "presentation": [ "http://www.salliemae.com/role/StockholdersEquityCommonStockRepurchasedDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Average purchase price per share (in dollars per share)", "label": "Treasury Stock Acquired, Average Cost Per Share, Including Commission Costs", "documentation": "Treasury Stock Acquired, Average Cost Per Share, Including Commission Costs" } } }, "auth_ref": [] }, "us-gaap_TreasuryStockCommonMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TreasuryStockCommonMember", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Treasury Stock", "label": "Treasury Stock, Common [Member]", "documentation": "Previously issued common shares repurchased by the issuing entity and held in treasury." } } }, "auth_ref": [ "r39" ] }, "us-gaap_TreasuryStockCommonShares": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TreasuryStockCommonShares", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnauditedParenthetical", "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited" ], "lang": { "en-us": { "role": { "terseLabel": "Common stock held in treasury (in shares)", "negatedPeriodStartLabel": "Beginning balance (in shares)", "negatedPeriodEndLabel": "Ending balance (in shares)", "label": "Treasury Stock, Common, Shares", "documentation": "Number of previously issued common shares repurchased by the issuing entity and held in treasury." } } }, "auth_ref": [ "r39" ] }, "us-gaap_TreasuryStockCommonValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TreasuryStockCommonValue", "crdr": "debit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited": { "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDBALANCESHEETSUnaudited" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Less: Common stock held in treasury at cost: 228.2\u00a0million and 217.9\u00a0million shares, respectively", "label": "Treasury Stock, Common, Value", "documentation": "Amount allocated to previously issued common shares repurchased by the issuing entity and held in treasury." } } }, "auth_ref": [ "r39", "r42", "r98" ] }, "us-gaap_TreasuryStockSharesAcquired": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TreasuryStockSharesAcquired", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited", "http://www.salliemae.com/role/StockholdersEquityCommonStockRepurchasedDetails", "http://www.salliemae.com/role/StockholdersEquityNarrativeDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Common stock repurchased (in shares)", "terseLabel": "Common stock repurchased (in shares)", "label": "Treasury Stock, Shares, Acquired", "documentation": "Number of shares that have been repurchased during the period and are being held in treasury." } } }, "auth_ref": [ "r11", "r94", "r120" ] }, "us-gaap_TreasuryStockValueAcquiredCostMethod": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TreasuryStockValueAcquiredCostMethod", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/StockholdersEquityNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Common stock repurchased, amount", "label": "Treasury Stock, Value, Acquired, Cost Method", "documentation": "Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method." } } }, "auth_ref": [ "r11", "r39", "r120" ] }, "us-gaap_TreasuryStockValueAcquiredParValueMethod": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "TreasuryStockValueAcquiredParValueMethod", "crdr": "debit", "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINEQUITYUnaudited", "http://www.salliemae.com/role/StockholdersEquityNarrativeDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Common stock repurchased", "terseLabel": "Common stock repurchased, price", "label": "Treasury Stock, Value, Acquired, Par Value Method", "documentation": "Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the par value method." } } }, "auth_ref": [ "r11", "r39", "r120" ] }, "slm_USGovernmentSponsoredEnterprisesAndTreasuriesMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "USGovernmentSponsoredEnterprisesAndTreasuriesMember", "presentation": [ "http://www.salliemae.com/role/InvestmentsAmortizedCostandFairValueofSecuritiesAvailableforSaleDetails", "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "U.S. government-sponsored enterprises and Treasuries", "label": "U.S. Government-Sponsored Enterprises and Treasuries [Member]", "documentation": "U.S. Government-Sponsored Enterprises and Treasuries" } } }, "auth_ref": [] }, "slm_UncommittedFederalFunds": { "xbrltype": "monetaryItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "UncommittedFederalFunds", "crdr": "credit", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Uncommitted federal funds", "label": "Uncommitted Federal Funds", "documentation": "Uncommitted Federal Funds" } } }, "auth_ref": [] }, "ecd_UndrlygSecurityMktPriceChngPct": { "xbrltype": "pureItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "UndrlygSecurityMktPriceChngPct", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Underlying Security Market Price Change", "label": "Underlying Security Market Price Change, Percent" } } }, "auth_ref": [ "r967" ] }, "slm_UnfundedCommitmentsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "UnfundedCommitmentsAbstract", "presentation": [ "http://www.salliemae.com/role/UnfundedLoanCommitmentsScheduleofAllowanceforCreditLossesandRecordedInvestmentsinLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Unfunded Commitments", "label": "Unfunded Commitments [Abstract]", "documentation": "Unfunded Commitments" } } }, "auth_ref": [] }, "us-gaap_UnrealizedGainLossOnDerivatives": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "UnrealizedGainLossOnDerivatives", "crdr": "credit", "calculation": { "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited": { "parentTag": "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Unrealized (gains) losses on derivatives and hedging activities, net", "label": "Unrealized Gain (Loss) on Derivatives", "documentation": "The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period." } } }, "auth_ref": [ "r5", "r771", "r772", "r773", "r774", "r795" ] }, "us-gaap_UnsecuredDebtMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "UnsecuredDebtMember", "presentation": [ "http://www.salliemae.com/role/BorrowingsCompanyBorrowingsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Unsecured borrowings", "label": "Unsecured Debt [Member]", "documentation": "Debt obligation not collateralized by pledge of, mortgage of or other lien on the entity's assets." } } }, "auth_ref": [] }, "slm_UtahHousingCorporationBondsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "UtahHousingCorporationBondsMember", "presentation": [ "http://www.salliemae.com/role/InvestmentsAmortizedCostandFairValueofSecuritiesAvailableforSaleDetails", "http://www.salliemae.com/role/InvestmentsGrossUnrealizedLossesandFairValueforMortgageBackedinUnrealizedLossPositionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Utah Housing Corporation bonds", "label": "Utah Housing Corporation Bonds [Member]", "documentation": "Utah Housing Corporation Bonds [Member]" } } }, "auth_ref": [] }, "us-gaap_ValuationTechniqueAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ValuationTechniqueAxis", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Valuation Approach and Technique [Axis]", "label": "Valuation Approach and Technique [Axis]", "documentation": "Information by valuation approach and technique." } } }, "auth_ref": [ "r562", "r563", "r868", "r1101" ] }, "us-gaap_ValuationTechniqueDiscountedCashFlowMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ValuationTechniqueDiscountedCashFlowMember", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Valuation Technique, Discounted Cash Flow", "label": "Valuation Technique, Discounted Cash Flow [Member]", "documentation": "Valuation technique calculating present value of future cash flows." } } }, "auth_ref": [ "r868", "r1099", "r1100", "r1101" ] }, "us-gaap_ValuationTechniqueDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "ValuationTechniqueDomain", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Valuation Approach and Technique [Domain]", "label": "Valuation Approach and Technique [Domain]", "documentation": "Valuation approach and technique." } } }, "auth_ref": [ "r562", "r563", "r868", "r1101" ] }, "us-gaap_VariableIncomeInterestRateMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "VariableIncomeInterestRateMember", "presentation": [ "http://www.salliemae.com/role/BorrowingsCompanyBorrowingsDetails", "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfoliobyProgramDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Variable-rate", "terseLabel": "Variable-rate", "label": "Variable Income Interest Rate [Member]", "documentation": "Trading in derivative and nonderivative instrument that provides fluctuating return in form of periodic payment of interest based on movement of benchmark rate and return of principal at maturity." } } }, "auth_ref": [ "r862" ] }, "us-gaap_VariableInterestEntityNonconsolidatedComparisonOfCarryingAmountOfAssetsAndLiabilitiesToMaximumLossExposureAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "VariableInterestEntityNonconsolidatedComparisonOfCarryingAmountOfAssetsAndLiabilitiesToMaximumLossExposureAbstract", "presentation": [ "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Carrying Amount of Assets Securing Debt Outstanding", "label": "Variable Interest Entity, Nonconsolidated, Comparison of Carrying Amount of Assets and Liabilities to Maximum Loss Exposure [Abstract]" } } }, "auth_ref": [] }, "us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "VariableInterestEntityNotPrimaryBeneficiaryMember", "presentation": [ "http://www.salliemae.com/role/BorrowingsSummaryofExposureRelatedToUnconsolidatedVIEsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Variable Interest Entity, Not Primary Beneficiary", "label": "Variable Interest Entity, Not Primary Beneficiary [Member]", "documentation": "Variable Interest Entities (VIE) in which the entity does not have a controlling financial interest (as defined) and of which it is therefore not the primary beneficiary. VIEs of which the entity is not the primary beneficiary because it does not have the power to direct the activities of the VIE that most significantly impact the VIE's economic performance and for which it does not have the obligation to absorb losses of the VIE that could potentially be significant to the VIE or the right to receive benefits from the VIE that could potentially be significant to the VIE are not included in the consolidated financial statements of the entity." } } }, "auth_ref": [] }, "us-gaap_VariableInterestEntityPrimaryBeneficiaryMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "VariableInterestEntityPrimaryBeneficiaryMember", "presentation": [ "http://www.salliemae.com/role/BorrowingsFinancingVIEsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Variable Interest Entity, Primary Beneficiary", "label": "Variable Interest Entity, Primary Beneficiary [Member]", "documentation": "Variable Interest Entities (VIE) in which the entity has a controlling financial interest (as defined) and of which it is therefore the primary beneficiary. A controlling financial interest is determined based on both: (a) the entity's power to direct activities of the VIE that most significantly impact the VIE's economic performance and (b) the entity's obligation to absorb losses of the VIE that could potentially be significant to the VIE or the right to receive benefits from the VIE that could potentially be significant to the VIE. VIEs of which the entity is the primary beneficiary are included in the consolidated financial statements of the entity." } } }, "auth_ref": [ "r52", "r530", "r531", "r535", "r536" ] }, "slm_VerticalRiskRetentionPercentage": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "VerticalRiskRetentionPercentage", "presentation": [ "http://www.salliemae.com/role/BorrowingsNarrativeDetails", "http://www.salliemae.com/role/InvestmentsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Vertical risk retention interest", "label": "Vertical Risk Retention, Percentage", "documentation": "Vertical Risk Retention, Percentage" } } }, "auth_ref": [] }, "ecd_VstngDtFrValOfEqtyAwrdsGrntdAndVstdInCvrdYrMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "VstngDtFrValOfEqtyAwrdsGrntdAndVstdInCvrdYrMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year", "label": "Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member]" } } }, "auth_ref": [ "r937" ] }, "slm_WeightedAverageInterestRateOnLoans": { "xbrltype": "percentItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "WeightedAverageInterestRateOnLoans", "presentation": [ "http://www.salliemae.com/role/LoansHeldforInvestmentStudentLoanPortfolioAverageBalancesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted Average Interest Rate", "label": "Weighted Average Interest Rate On Loans", "documentation": "Weighted Average Interest Rate On Loans" } } }, "auth_ref": [] }, "slm_WeightedAverageLifeOfLoans": { "xbrltype": "durationItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "WeightedAverageLifeOfLoans", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesAmortizedCostBasisofFinancingReceivableswithLoanModificationsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted average life of loans", "label": "Weighted Average Life of Loans", "documentation": "Weighted Average Life of Loans" } } }, "auth_ref": [] }, "srt_WeightedAverageMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2024", "localname": "WeightedAverageMember", "presentation": [ "http://www.salliemae.com/role/FairValueMeasurementsFairValuesofFinancialAssetsandLiabilitiesIncludingDerivativeFinancialInstrumentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted Average", "label": "Weighted Average [Member]", "documentation": "Average of a range of values, calculated with consideration of proportional relevance." } } }, "auth_ref": [ "r564", "r625", "r820", "r821", "r868", "r1120", "r1122", "r1125" ] }, "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "WeightedAverageNumberOfDilutedSharesOutstanding", "calculation": { "http://www.salliemae.com/role/EarningsLossperCommonShareDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited", "http://www.salliemae.com/role/EarningsLossperCommonShareDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Average common and common equivalent shares outstanding (in shares)", "totalLabel": "Weighted average shares used to compute diluted EPS (in shares)", "label": "Weighted Average Number of Shares Outstanding, Diluted", "documentation": "The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period." } } }, "auth_ref": [ "r274", "r288" ] }, "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "WeightedAverageNumberOfSharesOutstandingBasic", "calculation": { "http://www.salliemae.com/role/EarningsLossperCommonShareDetails": { "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.salliemae.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited", "http://www.salliemae.com/role/EarningsLossperCommonShareDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Average common shares outstanding (in shares)", "verboseLabel": "Weighted average shares used to compute basic EPS (in shares)", "label": "Weighted Average Number of Shares Outstanding, Basic", "documentation": "Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period." } } }, "auth_ref": [ "r272", "r288" ] }, "us-gaap_WeightedAverageRateDomesticDepositLiabilitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "WeightedAverageRateDomesticDepositLiabilitiesAbstract", "presentation": [ "http://www.salliemae.com/role/DepositsInterestBearingDepositsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Qtr.-End Weighted Average Stated Rate", "label": "Weighted Average Rate Domestic Deposit Liabilities [Abstract]" } } }, "auth_ref": [] }, "us-gaap_WeightedAverageRateDomesticDepositMoneyMarket": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "WeightedAverageRateDomesticDepositMoneyMarket", "presentation": [ "http://www.salliemae.com/role/DepositsInterestBearingDepositsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Money market", "label": "Weighted Average Rate Domestic Deposit, Money Market", "documentation": "The weighted average interest rate for domestic money market demand account deposit liabilities." } } }, "auth_ref": [] }, "us-gaap_WeightedAverageRateDomesticDepositSavings": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "WeightedAverageRateDomesticDepositSavings", "presentation": [ "http://www.salliemae.com/role/DepositsInterestBearingDepositsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Savings", "label": "Weighted Average Rate Domestic Deposit, Savings", "documentation": "The weighted average interest rate for domestic savings deposit liabilities." } } }, "auth_ref": [] }, "us-gaap_WeightedAverageRateDomesticDepositTimeDeposits": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2024", "localname": "WeightedAverageRateDomesticDepositTimeDeposits", "presentation": [ "http://www.salliemae.com/role/DepositsInterestBearingDepositsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Certificates of deposit", "label": "Weighted Average Rate Domestic Deposit, Time Deposits", "documentation": "The weighted average interest rate for domestic time deposit liabilities." } } }, "auth_ref": [] }, "slm_WithCosignerMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "WithCosignerMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "With cosigner", "label": "With Cosigner [Member]", "documentation": "With Cosigner [Member]" } } }, "auth_ref": [] }, "slm_WithoutCosignerMember": { "xbrltype": "domainItemType", "nsuri": "http://www.salliemae.com/20240930", "localname": "WithoutCosignerMember", "presentation": [ "http://www.salliemae.com/role/AllowanceforCreditLossesLoanPortfolioStratifiedbyKeyCreditQualityIndicatorsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Without cosigner", "label": "Without Cosigner [Member]", "documentation": "Without Cosigner [Member]" } } }, "auth_ref": [] }, "exch_XCME": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/exch/2024", "localname": "XCME", "presentation": [ "http://www.salliemae.com/role/DerivativeFinancialInstrumentsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "CME", "label": "CHICAGO MERCANTILE EXCHANGE [Member]" } } }, "auth_ref": [] }, "ecd_YrEndFrValOfEqtyAwrdsGrntdInCvrdYrOutsdngAndUnvstdMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2024", "localname": "YrEndFrValOfEqtyAwrdsGrntdInCvrdYrOutsdngAndUnvstdMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested", "label": "Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member]" } } }, "auth_ref": [ "r935" ] } } } }, "std_ref": { "r0": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "SubTopic": "230", "Topic": "830", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477401/830-230-45-1" }, "r1": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "10A", "SubTopic": "10", "Topic": "220", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-10A" }, "r2": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "12", "SubTopic": "10", "Topic": "220", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-12" }, "r3": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "SubTopic": "405", "Topic": "942", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477787/942-405-45-2" }, "r4": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "28", "Subparagraph": "(a)", "SubTopic": "10", "Topic": "230", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-28" }, "r5": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "28", "Subparagraph": "(b)", "SubTopic": "10", "Topic": "230", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-28" }, "r6": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "SubTopic": "10", "Topic": "815", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480463/815-10-45-5" }, "r7": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "SubTopic": "10", "Topic": "360", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482099/360-10-50-1" }, "r8": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "SubTopic": "10", "Topic": "470", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481544/470-10-50-1" }, "r9": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "SubTopic": "405", "Topic": "942", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478353/942-405-50-1" }, "r10": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(c)(3)", "SubTopic": "10", "Topic": "810", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-1A" }, "r11": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "SubTopic": "10", "Topic": "505", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-2" }, "r12": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "SubTopic": "10", "Topic": "815", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-2" }, "r13": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)", "SubTopic": "20", "Topic": "210", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483466/210-20-50-3" }, "r14": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4D", "Subparagraph": "(c)(2)", "SubTopic": "20", "Topic": "860", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-4D" }, "r15": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Subparagraph": "(a)", "Paragraph": "4", "SubTopic": "20", "Topic": "860", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-4" }, "r16": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "13", "SubTopic": "20", "Topic": "210", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483444/210-20-55-13" }, "r17": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "15", "SubTopic": "10", "Topic": "220", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482739/220-10-55-15" }, "r18": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "8", "SubTopic": "20", "Topic": "210", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483444/210-20-55-8" }, "r19": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(22))", "SubTopic": "10", "Topic": "210", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r20": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "220", "SubTopic": "10", "Section": "45", "Paragraph": "14", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-14" }, "r21": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "220", "SubTopic": "10", "Section": "45", "Paragraph": "14A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-14A" }, "r22": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "45", "Paragraph": "12", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-12" }, "r23": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "45", "Paragraph": "13", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-13" }, "r24": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "45", "Paragraph": "13", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-13" }, "r25": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "45", "Paragraph": "14", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-14" }, "r26": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "45", "Paragraph": "15", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-15" }, "r27": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "45", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-4" }, "r28": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482913/230-10-50-2" }, "r29": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "310", "Publisher": "FASB", "URI": "https://asc.fasb.org/310/tableOfContent" }, "r30": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "320", "Publisher": "FASB", "URI": "https://asc.fasb.org/320/tableOfContent" }, "r31": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "360", "SubTopic": "10", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482099/360-10-50-1" }, "r32": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "470", "SubTopic": "10", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481544/470-10-50-5" }, "r33": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "505", "SubTopic": "10", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481142/505-10-45-2" }, "r34": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "505", "SubTopic": "10", "Section": "50", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-10" }, "r35": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "505", "SubTopic": "10", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-3" }, "r36": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "505", "SubTopic": "10", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-4" }, "r37": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "505", "SubTopic": "10", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-5" }, "r38": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "505", "SubTopic": "10", "Section": "50", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-8" }, "r39": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "505", "SubTopic": "30", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481549/505-30-45-1" }, "r40": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "505", "SubTopic": "30", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481520/505-30-50-2" }, "r41": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "505", "SubTopic": "30", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481520/505-30-50-3" }, "r42": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "505", "SubTopic": "30", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481520/505-30-50-4" }, "r43": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "718", "SubTopic": "20", "Section": "55", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481089/718-20-55-12" }, "r44": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "718", "SubTopic": "20", "Section": "55", "Paragraph": "13", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481089/718-20-55-13" }, "r45": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "805", "SubTopic": "10", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479328/805-10-50-2" }, "r46": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "805", "SubTopic": "10", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479328/805-10-50-3" }, "r47": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "805", "SubTopic": "20", "Section": "55", "Paragraph": "14", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-14" }, "r48": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "805", "SubTopic": "20", "Section": "55", "Paragraph": "20", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-20" }, "r49": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "45", "Paragraph": "15", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481231/810-10-45-15" }, "r50": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "45", "Paragraph": "16", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481231/810-10-45-16" }, "r51": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-1" }, "r52": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-3" }, "r53": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-4" }, "r54": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "50", "Paragraph": "5A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-5A" }, "r55": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-6" }, "r56": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "50", "Paragraph": "9", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-9" }, "r57": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "55", "Paragraph": "4I", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481175/810-10-55-4I" }, "r58": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "55", "Paragraph": "4K", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481175/810-10-55-4K" }, "r59": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-1" }, "r60": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "50", "Paragraph": "1A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-1A" }, "r61": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "50", "Paragraph": "1A", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-1A" }, "r62": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "50", "Paragraph": "1B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-1B" }, "r63": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(1)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-2" }, "r64": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(1)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-2" }, "r65": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4" }, "r66": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "50", "Paragraph": "4A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4A" }, "r67": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "50", "Paragraph": "4A", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4A" }, "r68": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "50", "Paragraph": "4B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4B" }, "r69": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "50", "Paragraph": "4C", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4C" }, "r70": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "50", "Paragraph": "4C", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4C" }, "r71": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "50", "Paragraph": "4D", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4D" }, "r72": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "50", "Paragraph": "4F", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4F" }, "r73": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-5" }, "r74": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "50", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-8" }, "r75": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "50", "Paragraph": "8", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-8" }, "r76": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "50", "Paragraph": "8", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-8" }, "r77": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "55", "Paragraph": "182", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480401/815-10-55-182" }, "r78": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "25", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480238/815-25-50-1" }, "r79": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "30", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480870/815-30-50-1" }, "r80": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "825", "SubTopic": "10", "Section": "50", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-11" }, "r81": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "825", "SubTopic": "10", "Section": "50", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-12" }, "r82": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "942", "SubTopic": "470", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477734/942-470-50-3" }, "r83": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(19)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r84": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(19)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r85": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(19))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r86": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(20))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r87": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(21))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r88": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(22)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r89": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(23))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r90": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(24))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r91": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(25))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r92": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(26))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r93": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(28))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r94": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(29))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r95": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r96": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(30)(a)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r97": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(30)(a)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r98": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(30))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r99": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(31))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r100": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(32))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r101": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r102": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483466/210-20-50-3" }, "r103": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483444/210-20-55-7" }, "r104": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-11" }, "r105": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(1)(e))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r106": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(10))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r107": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(20))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r108": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "15", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-15" }, "r109": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "24", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-24" }, "r110": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "25", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-25" }, "r111": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "25", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-25" }, "r112": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "28", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-28" }, "r113": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "235", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/235/tableOfContent" }, "r114": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "440", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/440/tableOfContent" }, "r115": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "470", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/470/tableOfContent" }, "r116": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "480", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(02)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480244/480-10-S99-1" }, "r117": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "505", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/505/tableOfContent" }, "r118": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-6" }, "r119": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-7" }, "r120": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.3-04)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480008/505-10-S99-1" }, "r121": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "38", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-38" }, "r122": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "19", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481231/810-10-45-19" }, "r123": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "815", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/815/tableOfContent" }, "r124": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4B", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4B" }, "r125": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4B", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4B" }, "r126": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4B", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4B" }, "r127": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4F", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4F" }, "r128": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "815", "SubTopic": "25", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480238/815-25-50-1" }, "r129": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "860", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "15", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481413/860-10-15-4" }, "r130": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "860", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481420/860-30-50-1A" }, "r131": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(10))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478546/942-210-S99-1" }, "r132": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(11))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478546/942-210-S99-1" }, "r133": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(12))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478546/942-210-S99-1" }, "r134": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(13))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478546/942-210-S99-1" }, "r135": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(15))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478546/942-210-S99-1" }, "r136": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(16))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478546/942-210-S99-1" }, "r137": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(17))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478546/942-210-S99-1" }, "r138": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(23))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478546/942-210-S99-1" }, "r139": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478546/942-210-S99-1" }, "r140": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r141": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(12))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r142": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(13)(h))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r143": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(13))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r144": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(14))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r145": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(15))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r146": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r147": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(22))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r148": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r149": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r150": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(5))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r151": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(6))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r152": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(7))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r153": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(8))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r154": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "230", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479024/942-230-45-1" }, "r155": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "320", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/942-320/tableOfContent" }, "r156": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "32", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-32" }, "r157": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "32", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-32" }, "r158": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-11B" }, "r159": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11B", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-11B" }, "r160": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11B", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-11B" }, "r161": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "15", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-15" }, "r162": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "29", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-29" }, "r163": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "29", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-29" }, "r164": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "33", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-33" }, "r165": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "34", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-34" }, "r166": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-7" }, "r167": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-7A" }, "r168": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "310", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "40", "Paragraph": "7A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481774/310-40-40-7A" }, "r169": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-6" }, "r170": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-6" }, "r171": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-6" }, "r172": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-6" }, "r173": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-7" }, "r174": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "323", "SubTopic": "740", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478156/323-740-50-2" }, "r175": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478156/740-323-50-2" }, "r176": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "SubTopic": "10", "Topic": "321", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479567/321-10-45-1" }, "r177": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Subparagraph": "(a)", "SubTopic": "20", "Topic": "740", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482659/740-20-45-2" }, "r178": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4C", "Subparagraph": "(c)", "SubTopic": "10", "Topic": "815", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4C" }, "r179": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(b)", "SubTopic": "10", "Topic": "740", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-9" }, "r180": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(h))", "SubTopic": "10", "Topic": "235", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r181": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1402", "Paragraph": "a", "Publisher": "SEC" }, "r182": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1402", "Paragraph": "b", "Subparagraph": "(1)", "Publisher": "SEC" }, "r183": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1403", "Paragraph": "b", "Publisher": "SEC" }, "r184": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1404", "Paragraph": "a", "Publisher": "SEC" }, "r185": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1404", "Paragraph": "b", "Publisher": "SEC" }, "r186": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1405", "Paragraph": "a", "Subparagraph": "(1)", "Publisher": "SEC" }, "r187": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1405", "Paragraph": "a", "Subparagraph": "(2)", "Publisher": "SEC" }, "r188": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1405", "Paragraph": "a", "Subparagraph": "(4)", "Publisher": "SEC" }, "r189": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1405", "Paragraph": "c", "Publisher": "SEC" }, "r190": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1406", "Paragraph": "e", "Publisher": "SEC" }, "r191": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1406", "Publisher": "SEC" }, "r192": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-X (SX)", "Number": "210", "Section": "12", "Subsection": "04", "Paragraph": "a", "Publisher": "SEC" }, "r193": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-X (SX)", "Number": "210", "Section": "12", "Subsection": "12", "Paragraph": "Column A", "Footnote": "2", "Publisher": "SEC" }, "r194": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-X (SX)", "Number": "210", "Section": "12", "Subsection": "12A", "Paragraph": "Column A", "Footnote": "2", "Publisher": "SEC" }, "r195": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-X (SX)", "Number": "210", "Section": "12", "Subsection": "12B", "Paragraph": "Column A", "Subparagraph": "(a)", "Footnote": "4", "Publisher": "SEC" }, "r196": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-X (SX)", "Number": "210", "Section": "12", "Subsection": "12B", "Paragraph": "Column A", "Subparagraph": "(b)", "Footnote": "4", "Publisher": "SEC" }, "r197": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-X (SX)", "Number": "210", "Section": "12", "Subsection": "14", "Paragraph": "Column A", "Footnote": "2", "Publisher": "SEC" }, "r198": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-X (SX)", "Number": "210", "Section": "12", "Subsection": "28", "Paragraph": "Column E", "Footnote": "4", "Publisher": "SEC" }, "r199": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Staff Accounting Bulletin (SAB)", "Number": "Topic 11", "Section": "M", "Paragraph": "Question 2", "Publisher": "SEC" }, "r200": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Staff Accounting Bulletin (SAB)", "Number": "Topic 5", "Section": "Y", "Paragraph": "Question 2", "Publisher": "SEC" }, "r201": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Staff Accounting Bulletin (SAB)", "Number": "Topic 5", "Section": "Y", "Paragraph": "Question 4", "Publisher": "SEC" }, "r202": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "105", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479343/105-10-65-6" }, "r203": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "105", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479343/105-10-65-6" }, "r204": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "205", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483499/205-20-50-7" }, "r205": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r206": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(15))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r207": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(16))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r208": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(17))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r209": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(18))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r210": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r211": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(27)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r212": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(28))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r213": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(29))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r214": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(3)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r215": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(30)(a)(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r216": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483466/210-20-50-3" }, "r217": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483466/210-20-50-3" }, "r218": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(d)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483466/210-20-50-3" }, "r219": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483466/210-20-50-4" }, "r220": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483444/210-20-55-10" }, "r221": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483444/210-20-55-12" }, "r222": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "10A", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-10A" }, "r223": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "10A", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-10A" }, "r224": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "10A", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-10A" }, "r225": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-11" }, "r226": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-12" }, "r227": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "14A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-14A" }, "r228": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "15", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-15" }, "r229": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-1A" }, "r230": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1A", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-1A" }, "r231": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1A", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-1A" }, "r232": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1B", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-1B" }, "r233": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1B", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-1B" }, "r234": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482765/220-10-50-4" }, "r235": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482765/220-10-50-5" }, "r236": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482765/220-10-50-6" }, "r237": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(21))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r238": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(22))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r239": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(25))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r240": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5", "Subparagraph": "(SAB Topic 6.B)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-5" }, "r241": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-11" }, "r242": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "12", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-12" }, "r243": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "17", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-17" }, "r244": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "19", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-19" }, "r245": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-2" }, "r246": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "24", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-24" }, "r247": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "25", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-25" }, "r248": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482913/230-10-50-2" }, "r249": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482913/230-10-50-8" }, "r250": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483426/235-10-50-1" }, "r251": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(c))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r252": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(e)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r253": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(g)(1)(ii))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r254": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.12-04(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-3" }, "r255": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "23", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483421/250-10-45-23" }, "r256": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "24", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483421/250-10-45-24" }, "r257": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483421/250-10-45-5" }, "r258": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483421/250-10-45-6" }, "r259": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-1" }, "r260": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-1" }, "r261": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-11" }, "r262": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-11" }, "r263": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-3" }, "r264": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-4" }, "r265": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-6" }, "r266": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-7" }, "r267": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-7" }, "r268": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-8" }, "r269": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-9" }, "r270": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5", "Subparagraph": "(SAB Topic 11.M.Q2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480530/250-10-S99-5" }, "r271": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/260/tableOfContent" }, "r272": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482689/260-10-45-10" }, "r273": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482689/260-10-45-11" }, "r274": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "16", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482689/260-10-45-16" }, "r275": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482689/260-10-45-2" }, "r276": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "22", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482689/260-10-45-22" }, "r277": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "23", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482689/260-10-45-23" }, "r278": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "28A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482689/260-10-45-28A" }, "r279": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482689/260-10-45-3" }, "r280": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "40", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482689/260-10-45-40" }, "r281": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "40", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482689/260-10-45-40" }, "r282": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "40", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482689/260-10-45-40" }, "r283": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "40", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482689/260-10-45-40" }, "r284": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "60B", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482689/260-10-45-60B" }, "r285": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "60B", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482689/260-10-45-60B" }, "r286": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "60B", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482689/260-10-45-60B" }, "r287": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482689/260-10-45-7" }, "r288": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482662/260-10-50-1" }, "r289": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482662/260-10-50-1" }, "r290": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482662/260-10-50-2" }, "r291": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482662/260-10-50-3" }, "r292": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "15", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482635/260-10-55-15" }, "r293": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "270", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482964/270-10-50-1" }, "r294": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "272", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483014/272-10-45-1" }, "r295": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "272", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482987/272-10-50-1" }, "r296": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "272", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482987/272-10-50-3" }, "r297": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-22" }, "r298": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-22" }, "r299": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-22" }, "r300": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "24", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-24" }, "r301": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "30", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-30" }, "r302": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "32", "Subparagraph": "(ee)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-32" }, "r303": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "13", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481990/310-10-45-13" }, "r304": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481990/310-10-45-2" }, "r305": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11C", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-11C" }, "r306": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "42", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-42" }, "r307": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "42", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-42" }, "r308": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "42", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-42" }, "r309": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "42", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-42" }, "r310": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "44", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-44" }, "r311": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "44", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-44" }, "r312": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/320/tableOfContent" }, "r313": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481830/320-10-45-11" }, "r314": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "10", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-10" }, "r315": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-2" }, "r316": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-2" }, "r317": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(aa)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-2" }, "r318": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(aaa)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-2" }, "r319": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-2" }, "r320": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-2" }, "r321": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-2" }, "r322": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-3" }, "r323": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-3" }, "r324": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-3" }, "r325": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-3" }, "r326": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-3" }, "r327": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-5" }, "r328": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-5" }, "r329": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(aaa)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-5" }, "r330": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-5" }, "r331": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-5" }, "r332": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-5" }, "r333": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(f)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-5" }, "r334": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(f)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-5" }, "r335": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(f)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-5" }, "r336": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(f)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-5" }, "r337": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-5A" }, "r338": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5A", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-5A" }, "r339": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5A", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-5A" }, "r340": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-5B" }, "r341": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5B", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-5B" }, "r342": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5B", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-5B" }, "r343": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5B", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-5B" }, "r344": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5B", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-5B" }, "r345": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-9" }, "r346": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "323", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481687/323-10-50-3" }, "r347": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "4", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479654/326-10-65-4" }, "r348": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "5", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479654/326-10-65-5" }, "r349": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "30", "Paragraph": "4A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479391/326-20-30-4A" }, "r350": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "30", "Paragraph": "5A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479391/326-20-30-5A" }, "r351": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "35", "Paragraph": "8A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479366/326-20-35-8A" }, "r352": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479344/326-20-45-2" }, "r353": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479344/326-20-45-5" }, "r354": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-11" }, "r355": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-13" }, "r356": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-13" }, "r357": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-13" }, "r358": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-13" }, "r359": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "14", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-14" }, "r360": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "16", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-16" }, "r361": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "17", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-17" }, "r362": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "20", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-20" }, "r363": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-21" }, "r364": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-3B" }, "r365": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3C", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-3C" }, "r366": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3D", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-3D" }, "r367": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-5" }, "r368": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-5" }, "r369": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-6" }, "r370": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-8" }, "r371": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 6.M.2.Q4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483530/326-20-S99-1" }, "r372": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "30", "Paragraph": "1B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479175/326-30-30-1B" }, "r373": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "35", "Paragraph": "13A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479148/326-30-35-13A" }, "r374": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "35", "Paragraph": "7A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479148/326-30-35-7A" }, "r375": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479130/326-30-45-1" }, "r376": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479106/326-30-50-3A" }, "r377": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3C", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479106/326-30-50-3C" }, "r378": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3D", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479106/326-30-50-3D" }, "r379": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479106/326-30-50-4" }, "r380": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479106/326-30-50-4" }, "r381": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479106/326-30-50-4" }, "r382": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479106/326-30-50-4" }, "r383": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479106/326-30-50-5" }, "r384": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479106/326-30-50-7" }, "r385": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479106/326-30-50-9" }, "r386": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479106/326-30-50-9" }, "r387": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479106/326-30-50-9" }, "r388": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480265/350-10-S45-1" }, "r389": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482598/350-20-45-1" }, "r390": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482686/350-30-45-1" }, "r391": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482686/350-30-45-2" }, "r392": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-1" }, "r393": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-1" }, "r394": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-1" }, "r395": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-1" }, "r396": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-1" }, "r397": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-2" }, "r398": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-2" }, "r399": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-2" }, "r400": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-2" }, "r401": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-2" }, "r402": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-3" }, "r403": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "60", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476166/350-60-65-1" }, "r404": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "360", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482099/360-10-50-3" }, "r405": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "405", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477092/405-40-50-1" }, "r406": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "405", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477092/405-40-50-1" }, "r407": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "405", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477092/405-40-50-1" }, "r408": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "405", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477092/405-40-50-1" }, "r409": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "405", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477092/405-40-50-1" }, "r410": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "405", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(e)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477092/405-40-50-1" }, "r411": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "420", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482017/420-10-50-1" }, "r412": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "440", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482648/440-10-50-4" }, "r413": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "440", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482648/440-10-50-4" }, "r414": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483076/450-20-50-4" }, "r415": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483076/450-20-50-9" }, "r416": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 5.Y.Q2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480102/450-20-S99-1" }, "r417": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 5.Y.Q4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480102/450-20-S99-1" }, "r418": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "460", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482454/460-10-45-1" }, "r419": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481544/470-10-50-6" }, "r420": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481544/470-10-50-6" }, "r421": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(i))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1A" }, "r422": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(iii)(A))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1A" }, "r423": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(iv))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1A" }, "r424": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(5))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1A" }, "r425": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1B", "Subparagraph": "(SX 210.13-02(a)(4)(i))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1B" }, "r426": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1B", "Subparagraph": "(SX 210.13-02(a)(4)(iii)(A))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1B" }, "r427": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1B", "Subparagraph": "(SX 210.13-02(a)(4)(iii)(B))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1B" }, "r428": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1B", "Subparagraph": "(SX 210.13-02(a)(4)(iv))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1B" }, "r429": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1B", "Subparagraph": "(SX 210.13-02(a)(5))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1B" }, "r430": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r431": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r432": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r433": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r434": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r435": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r436": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r437": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r438": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r439": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1C", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1C" }, "r440": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1C", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1C" }, "r441": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1C", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1C" }, "r442": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1D", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1D" }, "r443": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1D", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1D" }, "r444": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1D", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1D" }, "r445": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1E", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1E" }, "r446": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1E", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1E" }, "r447": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1E", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1E" }, "r448": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1E", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1E" }, "r449": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1F", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1F" }, "r450": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1F", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1F" }, "r451": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1F", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1F" }, "r452": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1F", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1F" }, "r453": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1I", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1I" }, "r454": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1I", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1I" }, "r455": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1I", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1I" }, "r456": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1I", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1I" }, "r457": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-4" }, "r458": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-13" }, "r459": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-13" }, "r460": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-13" }, "r461": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-13" }, "r462": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-13" }, "r463": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-13" }, "r464": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-13" }, "r465": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "14", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-14" }, "r466": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "14", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-14" }, "r467": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "14", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-14" }, "r468": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "16", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-16" }, "r469": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "18", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-18" }, "r470": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "18", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-18" }, "r471": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "18", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-18" }, "r472": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "18", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-18" }, "r473": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-2" }, "r474": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.3-04)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480008/505-10-S99-1" }, "r475": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r476": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r477": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(02)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r478": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(02)(A)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r479": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(02)(B)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r480": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(02)(C)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r481": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(03)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r482": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480576/715-80-50-5" }, "r483": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "35", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480483/718-10-35-2" }, "r484": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480454/718-10-45-1" }, "r485": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r486": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r487": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r488": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r489": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r490": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r491": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r492": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r493": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(02)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r494": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(03)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r495": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(04)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r496": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r497": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r498": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r499": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(iii)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r500": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(iii)(02)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r501": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(iii)(03)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r502": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r503": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r504": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(e)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r505": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(e)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r506": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r507": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r508": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r509": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(iv)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r510": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(v)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r511": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "720", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483359/720-20-50-1" }, "r512": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-10" }, "r513": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-12" }, "r514": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "8", "Subparagraph": "(d)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482615/740-10-65-8" }, "r515": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "8", "Subparagraph": "(d)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482615/740-10-65-8" }, "r516": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 6.I.7)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479360/740-10-S99-1" }, "r517": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "11", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482659/740-20-45-11" }, "r518": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482659/740-20-45-2" }, "r519": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478156/740-323-50-1A" }, "r520": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478156/740-323-50-1A" }, "r521": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478666/740-323-65-2" }, "r522": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(d)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478666/740-323-65-2" }, "r523": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478666/740-323-65-2" }, "r524": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(g)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478666/740-323-65-2" }, "r525": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(g)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478666/740-323-65-2" }, "r526": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479907/805-20-50-5" }, "r527": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "60", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476176/805-60-65-1" }, "r528": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "60", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476176/805-60-65-1" }, "r529": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "19", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481231/810-10-45-19" }, "r530": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "25", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481231/810-10-45-25" }, "r531": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "25", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481231/810-10-45-25" }, "r532": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-1A" }, "r533": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-1A" }, "r534": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(c)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-1A" }, "r535": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(bb)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-3" }, "r536": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-3" }, "r537": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4A" }, "r538": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4A", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4A" }, "r539": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4C", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4C" }, "r540": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4E", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4E" }, "r541": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4EE", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4EE" }, "r542": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4EE", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4EE" }, "r543": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5C", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-5C" }, "r544": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480627/815-20-45-3" }, "r545": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480528/815-20-65-6" }, "r546": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(h)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480528/815-20-65-6" }, "r547": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(h)(1)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480528/815-20-65-6" }, "r548": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(h)(1)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480528/815-20-65-6" }, "r549": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(h)(1)(iv)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480528/815-20-65-6" }, "r550": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(i)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480528/815-20-65-6" }, "r551": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(i)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480528/815-20-65-6" }, "r552": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480237/815-40-50-5" }, "r553": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480237/815-40-50-6" }, "r554": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480175/815-40-65-1" }, "r555": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480175/815-40-65-1" }, "r556": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(e)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480175/815-40-65-1" }, "r557": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(e)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480175/815-40-65-1" }, "r558": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480175/815-40-65-1" }, "r559": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "35", "Paragraph": "54B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482134/820-10-35-54B" }, "r560": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r561": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r562": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(bbb)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r563": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(bbb)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r564": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(bbb)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r565": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r566": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r567": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r568": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r569": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r570": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r571": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r572": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r573": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2E", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2E" }, "r574": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-3" }, "r575": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-3" }, "r576": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A" }, "r577": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6A", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A" }, "r578": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6A", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A" }, "r579": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6A", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A" }, "r580": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6A", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A" }, "r581": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6B", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6B" }, "r582": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6B", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6B" }, "r583": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6B", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6B" }, "r584": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482736/825-10-45-2" }, "r585": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-10" }, "r586": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "28", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-28" }, "r587": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "17", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481694/830-30-45-17" }, "r588": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "20", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481694/830-30-45-20" }, "r589": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "20", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481694/830-30-45-20" }, "r590": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "20", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481694/830-30-45-20" }, "r591": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "20", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481694/830-30-45-20" }, "r592": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "20", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481694/830-30-45-20" }, "r593": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481674/830-30-50-1" }, "r594": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481674/830-30-50-2" }, "r595": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "835", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483013/835-20-50-1" }, "r596": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "835", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482925/835-30-45-2" }, "r597": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "835", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482900/835-30-50-1" }, "r598": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "8", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479832/842-10-65-8" }, "r599": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "8", "Subparagraph": "(c)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479832/842-10-65-8" }, "r600": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "35", "Paragraph": "12A", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479165/842-20-35-12A" }, "r601": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478964/842-20-50-7A" }, "r602": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "848", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483550/848-10-65-2" }, "r603": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "848", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(a)(3)(iii)(03)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483550/848-10-65-2" }, "r604": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "852", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "14", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481435/852-10-45-14" }, "r605": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "855", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/855/tableOfContent" }, "r606": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "855", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483399/855-10-50-2" }, "r607": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "855", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483399/855-10-50-2" }, "r608": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-3" }, "r609": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)(2)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-3" }, "r610": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-3" }, "r611": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(bb)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-3" }, "r612": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(bb)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-3" }, "r613": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(bb)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-3" }, "r614": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-3" }, "r615": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-3" }, "r616": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-3" }, "r617": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-4" }, "r618": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-4" }, "r619": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-4" }, "r620": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-4" }, "r621": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-4" }, "r622": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-5" }, "r623": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481444/860-30-45-1" }, "r624": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481420/860-30-50-7" }, "r625": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481420/860-30-50-7" }, "r626": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481229/860-50-50-3" }, "r627": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481229/860-50-50-3" }, "r628": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481229/860-50-50-3" }, "r629": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)(4)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481229/860-50-50-3" }, "r630": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481229/860-50-50-4" }, "r631": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481229/860-50-50-4" }, "r632": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481229/860-50-50-4" }, "r633": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481229/860-50-50-4" }, "r634": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)(5)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481229/860-50-50-4" }, "r635": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)(6)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481229/860-50-50-4" }, "r636": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)(7)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481229/860-50-50-4" }, "r637": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481229/860-50-50-4" }, "r638": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(e)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481229/860-50-50-4" }, "r639": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(e)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481229/860-50-50-4" }, "r640": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(e)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481229/860-50-50-4" }, "r641": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "910", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482546/910-10-50-6" }, "r642": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "924", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 11.L)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479941/924-10-S99-1" }, "r643": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "926", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483154/926-20-50-5" }, "r644": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "928", "SubTopic": "340", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478859/928-340-50-1" }, "r645": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "940", "SubTopic": "820", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478119/940-820-50-1" }, "r646": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "940", "SubTopic": "820", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478119/940-820-50-1" }, "r647": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(10)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478546/942-210-S99-1" }, "r648": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(6))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478546/942-210-S99-1" }, "r649": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(10))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r650": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(23))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r651": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(24))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r652": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(27))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r653": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(9))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r654": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-05(b)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477314/942-235-S99-1" }, "r655": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "360", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478451/942-360-50-1" }, "r656": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477270/942-505-50-1" }, "r657": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477270/942-505-50-1" }, "r658": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477270/942-505-50-1" }, "r659": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477270/942-505-50-1" }, "r660": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477270/942-505-50-1" }, "r661": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477270/942-505-50-1" }, "r662": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477270/942-505-50-1A" }, "r663": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477270/942-505-50-1B" }, "r664": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1D", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477270/942-505-50-1D" }, "r665": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1F", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477270/942-505-50-1F" }, "r666": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(1)(6))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r667": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(1)(h))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r668": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r669": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(10))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r670": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(12))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r671": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(15))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r672": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(19))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r673": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(22))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r674": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(23)(a)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r675": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(23)(a)(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r676": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(25))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r677": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(3)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r678": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(8))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r679": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(11))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477250/944-220-S99-1" }, "r680": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(16))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477250/944-220-S99-1" }, "r681": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(18))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477250/944-220-S99-1" }, "r682": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(19))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477250/944-220-S99-1" }, "r683": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(2)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477250/944-220-S99-1" }, "r684": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(20))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477250/944-220-S99-1" }, "r685": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(23))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477250/944-220-S99-1" }, "r686": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(9))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477250/944-220-S99-1" }, "r687": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-5" }, "r688": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-5" }, "r689": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7A", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-7A" }, "r690": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(a)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-9" }, "r691": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480016/944-40-65-2" }, "r692": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(f)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480016/944-40-65-2" }, "r693": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(f)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480016/944-40-65-2" }, "r694": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(g)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480016/944-40-65-2" }, "r695": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(g)(2)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480016/944-40-65-2" }, "r696": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(h)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480016/944-40-65-2" }, "r697": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 5.W.Q2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479583/944-40-S99-1" }, "r698": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-03(d))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479886/946-10-S99-3" }, "r699": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-03(i)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479886/946-10-S99-3" }, "r700": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-03(i)(2)(i))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479886/946-10-S99-3" }, "r701": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-03(i)(2)(ii))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479886/946-10-S99-3" }, "r702": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-03(i)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479886/946-10-S99-3" }, "r703": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480990/946-20-50-11" }, "r704": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478009/946-205-45-3" }, "r705": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478009/946-205-45-3" }, "r706": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "4", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478009/946-205-45-4" }, "r707": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478494/946-205-50-2" }, "r708": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "27", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478494/946-205-50-27" }, "r709": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478494/946-205-50-7" }, "r710": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478494/946-205-50-7" }, "r711": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478494/946-205-50-7" }, "r712": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478494/946-205-50-7" }, "r713": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478494/946-205-50-7" }, "r714": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478494/946-205-50-7" }, "r715": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478494/946-205-50-7" }, "r716": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478494/946-205-50-7" }, "r717": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477796/946-210-45-4" }, "r718": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-1" }, "r719": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-1" }, "r720": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-1" }, "r721": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-1" }, "r722": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-1" }, "r723": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-12" }, "r724": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-6" }, "r725": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-6" }, "r726": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-6" }, "r727": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-6" }, "r728": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-6" }, "r729": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-6" }, "r730": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r731": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(12)(b)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r732": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(12)(b)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r733": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(12)(b)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r734": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(13)(a)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r735": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(13)(a)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r736": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(14))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r737": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(15))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r738": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(16)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r739": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(17))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r740": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(19))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r741": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(2)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r742": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(2)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r743": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(3)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r744": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(3)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r745": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(3)(c))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r746": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(6)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r747": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(6)(c))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r748": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(6)(d))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r749": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(6)(e))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r750": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(8))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r751": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(9)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r752": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(9)(c))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r753": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(9)(d))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r754": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(9)(e))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r755": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.6-05(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-2" }, "r756": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.6-05(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-2" }, "r757": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479105/946-220-45-3" }, "r758": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479105/946-220-45-7" }, "r759": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478297/946-220-50-3" }, "r760": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r761": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(2)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r762": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(2)(g)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r763": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(a)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r764": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(a)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r765": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(a)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r766": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(a)(5))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r767": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(a)(6))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r768": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(a)(7))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r769": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(c)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r770": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(c)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r771": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(c)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r772": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(c)(5))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r773": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(c)(6))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r774": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(c)(7))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r775": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(9))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r776": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-09(1)(d))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-3" }, "r777": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-09(4)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-3" }, "r778": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-09(6))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-3" }, "r779": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-09(7))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-3" }, "r780": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477968/946-235-50-2" }, "r781": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477968/946-235-50-2" }, "r782": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-12(Column A)(Footnote 1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-1" }, "r783": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-12(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-1" }, "r784": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-12(Column C)(Footnote 5))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-1" }, "r785": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-12A(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-2" }, "r786": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-12A(Column C)(Footnote 4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-2" }, "r787": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.12-12B(Column A)(Footnote 4)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-3" }, "r788": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.12-12B(Column A)(Footnote 4)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-3" }, "r789": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.12-12B(Column A)(Footnote 7))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-3" }, "r790": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.12-12B(Column C)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-3" }, "r791": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5", "Subparagraph": "(SX 210.12-13(Column A)(Footnote 3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5" }, "r792": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5", "Subparagraph": "(SX 210.12-13(Column G)(Footnote 8))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5" }, "r793": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5", "Subparagraph": "(SX 210.12-13(Column G))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5" }, "r794": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5A", "Subparagraph": "(SX 210.12-13A(Column E))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5A" }, "r795": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5A", "Subparagraph": "(SX 210.12-13A(Column F))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5A" }, "r796": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5B", "Subparagraph": "(SX 210.12-13B(Column E)(Footnote 4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5B" }, "r797": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5B", "Subparagraph": "(SX 210.12-13B(Column E))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5B" }, "r798": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5C", "Subparagraph": "(SX 210.12-13C(Column F))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5C" }, "r799": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5C", "Subparagraph": "(SX 210.12-13C(Column H)(Footnote 7))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5C" }, "r800": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5C", "Subparagraph": "(SX 210.12-13C(Column H))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5C" }, "r801": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5D", "Subparagraph": "(SX 210.12-13D(Column A)(Footnote 2)(i))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5D" }, "r802": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "6", "Subparagraph": "(SX 210.12-14(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-6" }, "r803": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "6", "Subparagraph": "(SX 210.12-14(Column F)(Footnote 7))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-6" }, "r804": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "7", "Subparagraph": "(SX 210.12-15(Column A))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-7" }, "r805": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "7", "Subparagraph": "(SX 210.12-15(Column B))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-7" }, "r806": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "7", "Subparagraph": "(SX 210.12-15(Column C))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-7" }, "r807": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "7", "Subparagraph": "(SX 210.12-15(Column D))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-7" }, "r808": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478448/946-505-50-1" }, "r809": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478448/946-505-50-2" }, "r810": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478448/946-505-50-2" }, "r811": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478448/946-505-50-2" }, "r812": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478448/946-505-50-2" }, "r813": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478448/946-505-50-3" }, "r814": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478448/946-505-50-6" }, "r815": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "948", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477011/948-310-45-1" }, "r816": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "954", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477220/954-210-45-4" }, "r817": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "954", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478600/954-210-50-2" }, "r818": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "954", "SubTopic": "440", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478522/954-440-50-1" }, "r819": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "970", "SubTopic": "360", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-28(Column E)(Footnote 4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478979/970-360-S99-1" }, "r820": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "976", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477332/976-310-50-1" }, "r821": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "978", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479230/978-310-50-1" }, "r822": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "985", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481283/985-20-50-2" }, "r823": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4D", "Subparagraph": "(a)(1)", "SubTopic": "10", "Topic": "815", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4D" }, "r824": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483467/210-10-45-1" }, "r825": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483467/210-10-45-1" }, "r826": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "20", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483444/210-20-55-20" }, "r827": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "22", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483444/210-20-55-22" }, "r828": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "15", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482739/220-10-55-15" }, "r829": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483426/235-10-50-4" }, "r830": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "52", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482635/260-10-55-52" }, "r831": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "30", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-30" }, "r832": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "31", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-31" }, "r833": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "48", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482785/280-10-55-48" }, "r834": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "49", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482785/280-10-55-49" }, "r835": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "12A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481933/310-10-55-12A" }, "r836": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "4", "Subparagraph": "(SAB Topic 6.L.5.a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480418/310-10-S99-4" }, "r837": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479294/326-20-55-10" }, "r838": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479294/326-20-55-11" }, "r839": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "12", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479294/326-20-55-12" }, "r840": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "12", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479294/326-20-55-12" }, "r841": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "15", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479294/326-20-55-15" }, "r842": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "79", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479294/326-20-55-79" }, "r843": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "80", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479294/326-20-55-80" }, "r844": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479081/326-30-55-8" }, "r845": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "24", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482548/350-20-55-24" }, "r846": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "40", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482640/350-30-55-40" }, "r847": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r848": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "69B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481568/470-20-55-69B" }, "r849": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "69C", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481568/470-20-55-69C" }, "r850": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "69E", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481568/470-20-55-69E" }, "r851": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "69F", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481568/470-20-55-69F" }, "r852": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-13" }, "r853": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r854": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r855": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "17", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480482/715-20-55-17" }, "r856": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480576/715-80-50-11" }, "r857": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480576/715-80-50-6" }, "r858": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480547/715-80-55-8" }, "r859": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "231", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482663/740-10-55-231" }, "r860": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "4J", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481175/810-10-55-4J" }, "r861": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "4K", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481175/810-10-55-4K" }, "r862": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4F", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4F" }, "r863": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "181", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480401/815-10-55-181" }, "r864": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "100", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482078/820-10-55-100" }, "r865": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "100", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482078/820-10-55-100" }, "r866": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "101", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482078/820-10-55-101" }, "r867": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "102", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482078/820-10-55-102" }, "r868": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "103", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482078/820-10-55-103" }, "r869": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "107", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482078/820-10-55-107" }, "r870": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "107", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482078/820-10-55-107" }, "r871": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "107", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482078/820-10-55-107" }, "r872": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "107", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482078/820-10-55-107" }, "r873": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "107", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482078/820-10-55-107" }, "r874": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "107", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482078/820-10-55-107" }, "r875": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "835", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482949/835-30-55-8" }, "r876": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "852", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481372/852-10-55-10" }, "r877": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "860", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481395/860-30-55-4" }, "r878": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "29F", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480046/944-40-55-29F" }, "r879": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "944", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "14", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480078/944-80-55-14" }, "r880": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "944", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "9", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480078/944-80-55-9" }, "r881": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-1" }, "r882": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-6" }, "r883": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477439/946-210-55-1" }, "r884": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477802/946-310-45-1" }, "r885": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-12(Column A)(Footnote 2)(i))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-1" }, "r886": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-12A(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-2" }, "r887": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.12-12B(Column A)(Footnote 1)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-3" }, "r888": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5C", "Subparagraph": "(SX 210.12-13C(Column A)(Footnote 1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5C" }, "r889": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5C", "Subparagraph": "(SX 210.12-13C(Column B)(Footnote 1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5C" }, "r890": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "6", "Subparagraph": "(SX 210.12-14(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-6" }, "r891": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "830", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479168/946-830-55-10" }, "r892": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "830", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479168/946-830-55-11" }, "r893": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "830", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479168/946-830-55-12" }, "r894": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "b" }, "r895": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "b-2" }, "r896": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "d1-1" }, "r897": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 10-Q", "Number": "240", "Section": "308", "Subsection": "a" }, "r898": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "16", "Subsection": "J", "Paragraph": "a" }, "r899": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1" }, "r900": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "i" }, "r901": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "i", "Sentence": "A" }, "r902": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "i", "Sentence": "B" }, "r903": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "i", "Sentence": "C" }, "r904": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "i", "Sentence": "D" }, "r905": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "i", "Sentence": "E" }, "r906": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "ii" }, "r907": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "iii" }, "r908": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "2" }, "r909": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a" }, "r910": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "1" }, "r911": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "1", "Sentence": "i" }, "r912": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "1", "Sentence": "ii" }, "r913": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "1", "Sentence": "iii" }, "r914": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "1", "Sentence": "iv" }, "r915": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "1", "Sentence": "v" }, "r916": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "2" }, "r917": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "3" }, "r918": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "b" }, "r919": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a" }, "r920": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "1" }, "r921": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "1", "Sentence": "i" }, "r922": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "1", "Sentence": "ii" }, "r923": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "1", "Sentence": "iii" }, "r924": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "1", "Sentence": "iv" }, "r925": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "1", "Sentence": "v" }, "r926": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "2" }, "r927": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "3" }, "r928": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "b" }, "r929": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Forms 10-K, 10-Q, 20-F", "Number": "240", "Section": "13", "Subsection": "a-1" }, "r930": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v" }, "r931": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "1" }, "r932": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "ii" }, "r933": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii" }, "r934": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "B", "Clause": "1", "Subclause": "ii" }, "r935": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "C", "Clause": "1", "Subclause": "i" }, "r936": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "C", "Clause": "1", "Subclause": "ii" }, "r937": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "C", "Clause": "1", "Subclause": "iii" }, "r938": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "C", "Clause": "1", "Subclause": "iv" }, "r939": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "C", "Clause": "1", "Subclause": "v" }, "r940": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "C", "Clause": "1", "Subclause": "vi" }, "r941": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iv" }, "r942": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "vi" }, "r943": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "3" }, "r944": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "4" }, "r945": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "5", "Subparagraph": "i" }, "r946": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "5", "Subparagraph": "ii" }, "r947": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "5", "Subparagraph": "iii" }, "r948": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "5", "Subparagraph": "iv" }, "r949": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "6" }, "r950": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "6", "Subparagraph": "i" }, "r951": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1" }, "r952": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "i" }, "r953": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "i", "Sentence": "A" }, "r954": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "i", "Sentence": "B" }, "r955": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "i", "Sentence": "C" }, "r956": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "i", "Sentence": "D" }, "r957": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "i", "Sentence": "E" }, "r958": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "ii" }, "r959": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "iii" }, "r960": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "2" }, "r961": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "x", "Paragraph": "1" }, "r962": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "x", "Paragraph": "2" }, "r963": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "x", "Paragraph": "2", "Subparagraph": "ii", "Sentence": "A" }, "r964": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "x", "Paragraph": "2", "Subparagraph": "ii", "Sentence": "C" }, "r965": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "x", "Paragraph": "2", "Subparagraph": "ii", "Sentence": "D" }, "r966": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "x", "Paragraph": "2", "Subparagraph": "ii", "Sentence": "E" }, "r967": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "x", "Paragraph": "2", "Subparagraph": "ii", "Sentence": "F" }, "r968": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "408", "Subsection": "a" }, "r969": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "408", "Subsection": "a", "Paragraph": "1" }, "r970": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "408", "Subsection": "a", "Paragraph": "2", "Subparagraph": "A" }, "r971": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "408", "Subsection": "a", "Paragraph": "2", "Subparagraph": "B" }, "r972": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "408", "Subsection": "a", "Paragraph": "2", "Subparagraph": "C" }, "r973": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "408", "Subsection": "a", "Paragraph": "2", "Subparagraph": "D" }, "r974": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "408", "Subsection": "b", "Paragraph": "1" }, "r975": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Section": "402", "Number": "229", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "C", "Clause": "1" }, "r976": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "A", "Number": "229" }, "r977": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "B", "Clause": "1", "Number": "229" }, "r978": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "B", "Clause": "1", "Subclause": "i", "Number": "229" }, "r979": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-T", "Number": "232", "Section": "405" }, "r980": { "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "SubTopic": "20", "Topic": "310", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481569/310-20-50-3" }, "r981": { "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef", "Topic": "272", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483014/272-10-45-3" }, "r982": { "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478156/740-323-50-2" }, "r983": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1402", "Paragraph": "a", "Publisher": "SEC" }, "r984": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1402", "Paragraph": "b", "Subparagraph": "(1)", "Publisher": "SEC" }, "r985": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1402", "Paragraph": "b", "Subparagraph": "(2)", "Publisher": "SEC" }, "r986": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1402", "Paragraph": "b", "Subparagraph": "(3)", "Publisher": "SEC" }, "r987": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1402", "Paragraph": "c", "Subparagraph": "(2)(i)", "Publisher": "SEC" }, "r988": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1402", "Paragraph": "c", "Subparagraph": "(2)(ii)", "Publisher": "SEC" }, "r989": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1402", "Paragraph": "c", "Subparagraph": "(2)(iii)", "Publisher": "SEC" }, "r990": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1404", "Paragraph": "a", "Publisher": "SEC" }, "r991": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1405", "Paragraph": "a", "Subparagraph": "(1)", "Publisher": "SEC" }, "r992": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1405", "Paragraph": "a", "Subparagraph": "(2)", "Publisher": "SEC" }, "r993": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1405", "Paragraph": "a", "Subparagraph": "(3)", "Publisher": "SEC" }, "r994": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-X (SX)", "Number": "210", "Section": "13", "Subsection": "01", "Paragraph": "a", "Subparagraph": "(4)(i)", "Publisher": "SEC" }, "r995": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-X (SX)", "Number": "210", "Section": "13", "Subsection": "01", "Paragraph": "a", "Subparagraph": "(4)(iv)", "Publisher": "SEC" }, "r996": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-X (SX)", "Number": "210", "Section": "13", "Subsection": "02", "Paragraph": "a", "Subparagraph": "(4)(iv)", "Publisher": "SEC" }, "r997": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(12))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r998": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r999": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(27)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r1000": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(28))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r1001": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(3)(a)(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r1002": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482765/220-10-50-4" }, "r1003": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482765/220-10-50-5" }, "r1004": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482765/220-10-50-6" }, "r1005": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r1006": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r1007": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "12", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-12" }, "r1008": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "28", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-28" }, "r1009": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482913/230-10-50-2A" }, "r1010": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(d))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r1011": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(f))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r1012": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(g)(1)(ii))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r1013": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(h)(1)(Note 1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r1014": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-3" }, "r1015": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "23", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483421/250-10-45-23" }, "r1016": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "24", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483421/250-10-45-24" }, "r1017": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483421/250-10-45-5" }, "r1018": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-6" }, "r1019": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "55", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482689/260-10-45-55" }, "r1020": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482662/260-10-50-1" }, "r1021": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "270", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482964/270-10-50-1" }, "r1022": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-22" }, "r1023": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "30", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-30" }, "r1024": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "32", "Subparagraph": "(ee)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-32" }, "r1025": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "32", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-32" }, "r1026": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/310-10/tableOfContent" }, "r1027": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481990/310-10-45-2" }, "r1028": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-4" }, "r1029": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "42", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-42" }, "r1030": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "310", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "35", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481655/310-20-35-2" }, "r1031": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "310", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "40", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481628/310-20-40-7" }, "r1032": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "310", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481598/310-20-45-1" }, "r1033": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481830/320-10-45-1" }, "r1034": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481830/320-10-45-11" }, "r1035": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-2" }, "r1036": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-2" }, "r1037": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-2" }, "r1038": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-3" }, "r1039": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-5" }, "r1040": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-5" }, "r1041": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-5B" }, "r1042": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481800/320-10-50-9" }, "r1043": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "321", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479536/321-10-50-3" }, "r1044": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "321", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479536/321-10-50-3" }, "r1045": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "321", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479536/321-10-50-3" }, "r1046": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "323", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481687/323-10-50-3" }, "r1047": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "30", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479391/326-20-30-2" }, "r1048": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479344/326-20-45-1" }, "r1049": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-13" }, "r1050": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "14", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-14" }, "r1051": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-5" }, "r1052": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479106/326-30-50-4" }, "r1053": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479106/326-30-50-4" }, "r1054": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480265/350-10-S45-1" }, "r1055": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/350-20/tableOfContent" }, "r1056": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1" }, "r1057": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1" }, "r1058": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/350-30/tableOfContent" }, "r1059": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482686/350-30-45-1" }, "r1060": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-1" }, "r1061": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-1" }, "r1062": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-1" }, "r1063": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-1" }, "r1064": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-1" }, "r1065": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-2" }, "r1066": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-2" }, "r1067": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-2" }, "r1068": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-2" }, "r1069": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-2" }, "r1070": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-3" }, "r1071": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "405", "SubTopic": "30", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/405-30/tableOfContent" }, "r1072": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "405", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477092/405-40-50-1" }, "r1073": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "405", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477092/405-40-50-1" }, "r1074": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "405", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(e)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477092/405-40-50-1" }, "r1075": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "410", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "10", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481931/410-30-50-10" }, "r1076": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "450", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/450/tableOfContent" }, "r1077": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481544/470-10-50-6" }, "r1078": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481544/470-10-50-6" }, "r1079": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(i))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1A" }, "r1080": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(ii))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1A" }, "r1081": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(iii))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1A" }, "r1082": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(iv))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1A" }, "r1083": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1B", "Subparagraph": "(SX 210.13-02(a)(4)(iv))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1B" }, "r1084": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r1085": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-13" }, "r1086": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-2" }, "r1087": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "505", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481520/505-30-50-4" }, "r1088": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1089": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-2" }, "r1090": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-22" }, "r1091": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "23", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-23" }, "r1092": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-1A" }, "r1093": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-1B" }, "r1094": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4A", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4A" }, "r1095": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(e)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480175/815-40-65-1" }, "r1096": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "35", "Paragraph": "54B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482134/820-10-35-54B" }, "r1097": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1098": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1099": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(bbb)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1100": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(bbb)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1101": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(bbb)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1102": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1103": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1104": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1105": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1106": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1107": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1108": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2E", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2E" }, "r1109": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-3" }, "r1110": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-3" }, "r1111": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A" }, "r1112": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-10" }, "r1113": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "28", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-28" }, "r1114": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "20", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481694/830-30-45-20" }, "r1115": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481674/830-30-50-1" }, "r1116": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "835", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482925/835-30-45-2" }, "r1117": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "835", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482900/835-30-50-1" }, "r1118": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "852", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481404/852-10-50-7" }, "r1119": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "852", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481404/852-10-50-7" }, "r1120": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-3" }, "r1121": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-3" }, "r1122": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-3" }, "r1123": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-4" }, "r1124": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-4" }, "r1125": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-4" }, "r1126": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "940", "SubTopic": "320", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/940-320/tableOfContent" }, "r1127": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477270/942-505-50-1" }, "r1128": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477270/942-505-50-1B" }, "r1129": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(16)(a)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1130": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(16)(a)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1131": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(17))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1132": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477363/944-310-50-3" }, "r1133": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480109/944-80-50-1" }, "r1134": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "4", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478009/946-205-45-4" }, "r1135": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-6" }, "r1136": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(12)(b)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1137": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(18))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1138": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-09(4)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-3" }, "r1139": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-09(7))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-3" }, "r1140": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477802/946-310-45-1" }, "r1141": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-12(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-1" }, "r1142": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "830", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "39", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477346/946-830-45-39" } } }