Document and Entity Information Statement [Table] Statement [Line Items] Statement Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Current Reporting Status Entity Filer Category Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Consolidated Balance Sheets Legal Entity [Axis] Entity [Domain] Entity [Domain] Subsidiaries [Member] Select Assets [Abstract] ASSETS Assets Assets, Current [Abstract] Current Assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash and cash equivalents Accounts Receivable, Net, Current Accounts receivable, net Accounts receivable, net of allowance for doubtful accounts of $40,815 and $43,827 at 2013 and 2014, respectively Deferred Tax Assets, Net, Current Current deferred tax asset Prepaid Taxes Prepaid income taxes Other Assets, Current Other current assets Assets, Current Total Current Assets Property, Plant and Equipment, Net Property and equipment, net Goodwill Balance at the end of the period Balance at the beginning of the period Goodwill Gross Carrying Amount of Goodwill Intangible Assets, Net (Excluding Goodwill) Other identifiable intangibles Other Assets, Noncurrent Other assets Assets Total assets Total Assets Liabilities and Equity [Abstract] LIABILITIES AND EQUITY Liabilities and Equity Liabilities, Current [Abstract] Current Liabilities: Bank Overdrafts Bank overdrafts Long-term Debt, Current Maturities Current portion of long-term debt and notes payable Less: current maturities Accounts Payable, Current Accounts payable Employee-related Liabilities, Current Accrued payroll Accrued Vacation, Current Accrued vacation Interest Payable, Current Accrued interest Other Accrued Liabilities, Current Accrued other Accrued Income Taxes, Current Income taxes payable Liabilities, Current Total Current Liabilities Long-term Debt, Excluding Current Maturities Total long-term debt Long-term debt, net of current portion Deferred Tax Liabilities, Net, Noncurrent Non-current deferred tax liability Other Liabilities, Noncurrent Other non-current liabilities Liabilities Total Liabilities Redeemable Noncontrolling Interest, Equity, Carrying Amount Redeemable non-controlling interests Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Stockholders' Equity: Stockholder's Equity: Common Stock, Value, Issued Common stock Common stock Additional Paid in Capital, Common Stock Capital in excess of par Retained Earnings (Accumulated Deficit). Retained earnings (accumulated deficit) Retained earnings Stockholders' Equity Attributable to Parent Total Select Medical Holdings Corporation and Select Medical Corporation Stockholders' Equity Stockholders' Equity Attributable to Noncontrolling Interest Non-controlling interest Non-controlling interests Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Balance Balance Total Equity Liabilities and Equity Total Liabilities and Equity Allowance for Doubtful Accounts Receivable, Current Accounts receivable, allowance for doubtful accounts (in dollars) Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Common stock, shares outstanding Consolidated Statements of Operations Sales Revenue, Services, Net Net operating revenues Costs and Expenses [Abstract] Costs and expenses: Cost of Services Cost of services General and Administrative Expense General and administrative Provision for Doubtful Accounts Bad debt expense Provision for bad debts Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Depreciation and amortization Costs and Expenses Total costs and expenses Operating Income (Loss) Income from operations Nonoperating Income (Expense) [Abstract] Other income and expense: Gains (Losses) on Extinguishment of Debt Loss recognized associated with refinancing activities Loss on early retirement of debt Loss on early retirement of debt Income (Loss) from Equity Method Investments Equity in earnings of unconsolidated subsidiaries Equity in earnings (losses) of unconsolidated subsidiaries Interest Expense Interest expense Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income (loss) from operations before income taxes Income Tax Expense (Benefit) Income tax expense Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income Net income Net Income (Loss) Attributable to Noncontrolling Interest Less: Net income attributable to non-controlling interests Net Income (Loss) Attributable to Parent Net income attributable to Select Medical Holdings Corporation Net income attributable to Select Medical Holdings Corporation and Select Medical Corporation Income per Common Share Income per common share: Earnings Per Share, Basic Basic Basic income per common share (in dollars per share) Earnings Per Share, Diluted Diluted Diluted income per common share (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Dividends per share No Definition Available. Weighted Average Shares Outstanding [Abstract] Weighted Average Shares Outstanding Weighted Average Number of Shares Outstanding, Basic Weighted average shares - basic Weighted Average Number of Shares Outstanding, Diluted Weighted average shares - diluted Weighted average shares - diluted Consolidated Statement of Changes in Equity and Income Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Comprehensive Income [Member] Comprehensive Income Parent [Member] Parent Common Stock [Member] Common Stock Additional Paid In Capital [Member] Capital in Excess of Par Retained Earnings [Member] Retained Earnings (Accumulated Deficit) Noncontrolling Interest [Member] Non-controlling Interests Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity Shares, Issued Balance (in shares) Balance (in shares) The consolidated income (loss) for the period, net of income taxes, including the portion attributable to the noncontrolling interest (but excluding the portion of income (loss) attributable to redeemable noncontrolling interest). Profit (Loss) Excluding Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Net income Net of tax amount of other comprehensive income (loss) attributable redeemable to noncontrolling interests that is classified as temporary equity. Other Comprehensive Income (Loss) Net of Tax Portion Redeemable Attributable to Noncontrolling Interest Net income - attributable to redeemable non-controlling interests Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Total comprehensive income Stock Issued During Period, Value, Restricted Stock Award, Gross Issuance and vesting of restricted stock Stock Issued During Period, Shares, Restricted Stock Award, Gross Issuance and vesting of restricted stock (in shares) Stock Repurchased During Period, Value Repurchase of common shares Stock Repurchased During Period, Shares Repurchase of common shares (in shares) Common stock repurchased (in shares) Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Stock option expense Stock Issued During Period, Value, Stock Options Exercised Exercise of stock options Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercise of stock options (in shares) Represents the additional investment made by the entity during the period. Additional Investment by Holdings Additional investment by Holdings Dividends, Common Stock, Cash Dividends declared and paid Represents the Contribution related to restricted stock awards and stock option issuances by the entity. Contribution Related to Restricted Stock Awards and Stock Option Issuances by Holdings Contribution related to restricted stock awards and stock option issuances by Holdings Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Distributions to non-controlling interests Noncontrolling Interest, Increase from Sale of Parent Equity Interest Sale of non-controlling interest in subsidiary Stockholders' Equity, Other Other Consolidated Statements of Cash Flows Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to reconcile net income to net cash provided by (used in) operating activities: Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Gain on sale of assets and businesses Loss (gain) from sale of assets and businesses Share-based Compensation Non-cash stock compensation expense Amortization of Financing Costs and Discounts Amortization of debt discount, premium and issuance costs Deferred Income Tax Expense (Benefit) Deferred income taxes Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities, net of effects from acquisition of businesses: Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Other Current Assets Other current assets Increase (Decrease) in Other Operating Assets Other assets Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities Accrued expenses Increase (Decrease) in Income Taxes Income taxes Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Investing activities Payments to Acquire Productive Assets Purchases of property and equipment Capital expenditures Proceeds from Sale of Property, Plant, and Equipment Proceeds from sale of assets Payments to Acquire Equity Method Investments Investment in businesses Proceeds from Equity Method Investment, Dividends or Distributions Distributions from unconsolidated subsidiaries Distributions from unconsolidated subsidiaries Payments to Acquire Businesses, Net of Cash Acquired Acquisition of businesses, net of cash acquired Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Financing activities Proceeds from Lines of Credit Borrowings on revolving credit facility Borrowings on revolving credit facility Repayments of Long-term Lines of Credit Payments on revolving credit facility Payments on revolving credit facility Proceeds from Issuance of Senior Long-term Debt Borrowings on credit facility term loans, net of discount Borrowings on credit facility term loans, net of discount Maturities of Senior Debt Payments on credit facility term loans Payments on credit facility term loans Represent the cash inflow during the period from borrowings in senior subordinated notes. Proceeds from Issuance of Senior Subordinated Debt Issuance of 6.375% senior notes, includes premium Gross proceeds from issuance of additional notes Repurchase of senior floating rate notes. Repurchase of Senior Floating Rate Notes Repurchase of senior floating rate notes Early repayments of subordinated debt. Early Repayments of Subordinated Debt Repurchase of 7 5/8% senior subordinated notes Repurchase of 7 5/8% senior subordinated notes, net of premiums Proceeds from Other Short-term Debt Borrowings of other debt Repayments of Other Short-term Debt Principal payments on other debt Payments of Debt Issuance Costs Debt issuance costs Payments of Dividends Dividends paid to Holdings Dividends paid Payments for Repurchase of Equity Repurchase of common stock Proceeds from Issuance of Common Stock Proceeds from issuance of common stock Proceeds from Contributions from Parent Equity investment by Holdings Proceeds from (Repayments of) Bank Overdrafts Proceeds from (repayments of) bank overdrafts Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Proceeds from issuance of non-controlling interests Payments of Ordinary Dividends, Noncontrolling Interest Distributions to non-controlling interests Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash used in financing activities Net Cash Provided by (Used in) Continuing Operations Net increase (decrease) in cash and cash equivalents Supplemental Cash Flow Information [Abstract] Supplemental Cash Flow Information Interest Paid Cash paid for interest Income Taxes Paid, Net Cash paid for taxes Debt Instrument [Axis] Debt Instrument Name [Domain] Debt Instrument, Name [Domain] Senior Notes [Member] 6.375% senior notes Senior Subordinated Notes [Member] 7 5/8% senior subordinated notes Debt Instrument [Line Items] Financial information for subsidiary guarantors and non-guarantor subsidiaries under select's 6.375% senior notes Long-term debt and notes payable Debt Instrument, Interest Rate, Stated Percentage Interest rate of debt (as a percent) Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Basis of Presentation Accounting Policies Significant Accounting Policies [Text Block] Accounting Policies Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Intangible Assets Share Repurchase Treasury Stock [Text Block] Share Repurchase Indebtedness Debt Disclosure [Text Block] Indebtedness Fair Value Fair Value Disclosures [Text Block] Fair Value Segment Information Segment Reporting Disclosure [Text Block] Segment Information Earnings Per Share [Text Block] Income per Common Share Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Subsequent Event. Subsequent Events [Text Block] Subsequent Event Financial Information for Subsidiary Guarantors and Non-Guarantor Subsidiaries under Select's 6.375% Senior Notes Condensed Financial Statements [Text Block] Financial Information for Subsidiary Guarantors and Non-Guarantor Subsidiaries under Select's 6.375% Senior Notes Use of Estimates, Policy [Policy Text Block] Use of Estimates New Accounting Pronouncements, Policy [Policy Text Block] Schedule of Intangible Assets and Goodwill [Table Text Block] Schedule of gross carrying amounts of the Company's indefinite-lived intangible assets Schedule of Goodwill [Table Text Block] Schedule of changes in the carrying amount of goodwill for the Company's reportable segments Schedule of Long-term Debt Instruments [Table Text Block] Schedule of components of long-term debt and notes payable Schedule of Maturities of Long-term Debt [Table Text Block] Schedule of maturities of the Company's long-term debt Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of selected financial data for the Company's reportable segments Tabular disclosure of all significant reconciling items in the reconciliation of adjusted EBITDA to income before income taxes. Schedule of Reconciliation of Adjusted EBITDA to Income before Income Taxes [Table Text Block] Schedule of reconciliation of Adjusted EBITDA to income before income taxes Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of computation of basic and diluted income per common share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of anti-dilutive shares excluded from computation Condensed Balance Sheet [Table Text Block] Schedule of Consolidating Balance Sheet Condensed Income Statement [Table Text Block] Schedule of Consolidating Statement of Operations Condensed Cash Flow Statement [Table Text Block] Schedule of Consolidating Statement of Cash Flows Disclosure of finite-lived and indefinite-lived intangible assets, excluding goodwill, in total and by major class. Schedule of Finite Lived and Indefinite Lived Intangible Assets [Table] Indefinite-lived Intangible Assets [Axis] Indefinite Lived Intangible Assets Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Trademarks [Member] Trademarks Represents the information pertaining to certificates of need, a legal document of the entity. Certificates Of Need [Member] Certificates of need Represents the information pertaining to accreditations. Accreditations [Member] Accreditations Finite Lived and Indefinite Lived Intangible Assets by Major Class [Line Items] Intangible Assets Indefinite Lived Intangible Assets and Goodwill [Abstract] Indefinite-lived intangible assets: Carrying amount of assets (excluding financial assets) that lack physical substance, including goodwill, having a projected indefinite period of benefit. Indefinite Lived Intangible Assets Including Goodwill Gross Carrying Amount Represents the weighted average period before the next renewal or extension (both explicit and implicit) for indefinite-lived intangible assets that have been renewed or extended. Indefinite Lived Intangible Asset Weighted Average Period before Next Renewal or Extension Weighted average time until next renewal Schedule of Goodwill [Table] Segments [Axis] Segment [Domain] Segments [Domain] Represents the information pertaining to specialty hospitals, a reporting segment of the entity. Specialty Hospitals [Member] Specialty Hospitals Represents the information pertaining to outpatient rehabilitation, a reporting segment of the entity. Outpatient Rehabilitation [Member] Outpatient Rehabilitation Goodwill [Line Items] Carrying amount of goodwill Goodwill [Roll Forward] Goodwill Goodwill, Acquired During Period Goodwill acquired during the period Amount of goodwill allocated in a business contribution Goodwill Allocated To Contributed Business Goodwill allocated to contributed business Goodwill, Purchase Accounting Adjustments Purchase accounting adjustment Stock Repurchase Program, Authorized Amount Amount authorized to be repurchased under the repurchase program Payments for Repurchase of Common Stock Total cost of common stock repurchased Share Price Price of common stock repurchased (in dollars per share) Stock Repurchase Program, Remaining Authorized Repurchase Amount Repurchase program available capacity Schedule of Long-term Debt Instruments [Table] Represents information pertaining to senior secured credit facilities. Senior Secured Credit Facilities [Member] Senior secured credit facility Revolving Credit Facility [Member] Revolving loan Represents information pertaining to revolving credit facility that matures on March 1, 2018. Revolving Credit Facility Maturing On March1st2018 [Member] Revolving credit facility that matures on March 1, 2018 Represents information pertaining to revolving credit facility that matures on June 1, 2016. Revolving Credit Facility Maturing On June1st2016 [Member] Revolving credit facility that matures on June 1, 2016 Represents information pertaining to the term loan facility of the entity. Term Loan Facility [Member] Term loans Represents information pertaining to the Series A term loan. Series A Term Loan [Member] Series A term loan Represents information pertaining to the Series B term loan. Series B Term Loan [Member] Series B Term Loan Represents information pertaining to the Series D term loan, which includes the conversion of series B term loan to new term loan tranche. Series D Term Loan [Member] Series D Term Loan Represents information pertaining to the Series C term loan, which includes the conversion of the original term loan and series A term loan. Series C Term Loan [Member] Series C Term Loan Represents information pertaining to the Series E term loan, which includes the conversion of series C term loan to new term loan tranche. Series E Term Loan [Member] Series E Term Loan Notes Payable Other Payables [Member] Other Represents the information pertaining to senior floating rate notes. Senior Floating Rate Notes [Member] Senior floating rate notes Standby Letters Of Credit [Member] Letters of credit Represents information pertaining to swingline loans, a loan that grants institutions access to large amounts of cash in order to cover possible shortfalls from other debt commitments. Swingline Loans [Member] Swingline loans Represents information pertaining to the additional notes due on 2021. Additional Senior Notes [Member] Additional Notes Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Represents information pertaining to the amended senior secured credit facilities. Amended Senior Secured Credit Facilities [Member] Amended senior secured facilities Range [Axis] Range [Member] Range [Domain] Maximum [Member] Maximum Minimum [Member] Minimum Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] The adjusted London Interbank Offered rate (LIBO) used to calculate the variable interest rate of the debt instrument. Debt Instrument Variable Rate Base Adjusted L I B O [Member] Adjusted LIBO The Alternate Base Rate used to calculate the variable interest rate of the debt instrument. Debt Instrument Alternate Base Rate [Member] Alternate base rate The adjusted London Interbank Offered floor rate (LIBO) used to calculate the variable interest rate of the debt instrument. Debt Instrument Variable Rate Base Adjusted L I B O Floor [Member] Adjusted LIBO rate floor The secondary classification of alternative reference rates that may be used to calculate the variable interest rate of the debt instrument. Debt Instrument Variable Rate Secondary Classification [Axis] Identification of the secondary classification of alternative reference rate that is used to calculate the variable interest rate of the debt instrument. Debt Instrument Variable Rate Secondary Classification [Domain] Debt Instrument Variable Rate Secondary Classification [Domain] The adjusted one-month LIBO rate used to calculate the variable interest rate of the debt instrument. Debt Instrument Variable Rate Adjusted One Month L I B O [Member] Adjusted one-month LIBO The JPMorgan Chase Bank, N.A's prime rate used to calculate the variable interest rate of the debt instrument. Debt Instrument Variable Rate J P Morgan Chase Bank N As Prime Rate [Member] JP Morgan Chase Bank, N.A's Prime Rate The federal funds rate used to calculate the variable interest rate of the debt instrument. Debt Instrument Variable Rate Federal Funds Effective Rate [Member] Federal Funds Effective Rate Lists down various ratios required to be maintained under the financial covenants pertaining to debt instrument. Debt Instrument Financial Covenants Ratios [Axis] Categorization of various ratios required to be maintained under the financial covenants pertaining to debt instrument. Debt Instrument Financial Covenants Ratios [Domain] Debt Instrument Financial Covenants Ratios [Domain] Represents the proforma ratio less than or equal to 2.75 to 1.00. Proforma Ratio Less Than Or Equal To2.75 To1.00 [Member] Proforma ratio less than or equal to 2.75 to 1.00 Represents the leverage ratio equal to 5.00 to 1.00. Leverage Ratio Equal To5.00 To1.00 [Member] Leverage ratio equal to 5.00 to 1.00 Represents the leverage ratio equal to 4.50 to 1.00. Leverage Ratio Equal To4.50 To1.00 [Member] Leverage ratio equal to 4.50 to 1.00 Represents the leverage ratio equal to 4.47 to 1.00. Leverage Ratio Equal To447 To100 [Member] Leverage Ratio Equal to 4.47 to 1.00 Debt Instrument, Redemption, Period [Axis] Debt Instrument Redemption Period [Domain] Debt Instrument, Redemption, Period [Domain] Represents information pertaining to the prior to September 4, 2014. Debt Instrument Redemption Period Prior To September4th2014 [Member] Prior to September 4, 2014 Represents information pertaining to the prior to March 4, 2015. Debt Instrument Redemption Period Prior To March4th2015 [Member] Prior to March 4, 2015 Represents information pertaining to the prior to June 1, 2016. Debt Instrument Redemption Period Prior To June1st2016 [Member] Prior to June 1, 2016 Long-term Debt Carrying value Total debt Long-term Debt, Gross Debt Instrument, Unamortized Premium Unamortized premiums Debt Instrument, Unamortized Discount Unamortized discounts Line of Credit Facility, Maximum Borrowing Capacity Maximum borrowing capacity Aggregate principal of revolving commitments Represents the borrowing capacity with extended maturity date under the credit facility. Line of Credit Facility Maximum Borrowing Capacity Extended Extended maturity amount of revolving credit facility Incremental revolving commitments Debt Instrument, Face Amount Aggregate principal amount Debt Instrument, Description of Variable Rate Basis Variable rate basis Debt Instrument, Basis Spread on Variable Rate Interest rate margin (as a percent) Represents the ratio of consolidated adjusted earnings before interest, taxes, depreciation and amortization to interest expense used as a basis for determining the amount of the mandatory prepayment of the debt instrument under the covenants. Debt Instrument Covenant Consolidated Leverage Ratio Pro forma ratio of total indebtedness to Consolidated EBITDA Represents the prepayment of principal amount of debt instrument from excess cash flow, as required under the terms of the credit agreement. Debt Instrument Principal Prepayment Principal prepayments from excess cash flow Represents the leverage ratio of financial maintenance covenant. Debt Instrument Covenant Financial Maintenance Leverage Ratio Leverage ratio of financial maintenance covenant Represents the prepayment premium under financial maintenance covenant. Debt Instrument Covenant Prepayment Premium Rate Prepayment premium (as a percent) Represents the variable interest rate as a portion of 1 percent over weighted average rate on overnight Federal Funds as published by Federal Reserve Bank of New York. Debt Instrument Variable Rate as a Portion of One Percent Over Weighted Average Rate on Overnight Federal Funds Variable rate as a portion of 1% over weighted average rate on overnight Federal Funds (as a percent) Represents the basis expressed in terms of percentage over weighted average rate on overnight Federal Funds as published by Federal Reserve Bank of New York. Debt Instrument Basis for Variable Rate Basis for variable rate (as a percent) Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Commitment fee (as a percent) Represents the mandatory prepayment as a percentage of excess cash flows for any fiscal year unless a specified leverage ratio is met. Debt Instrument Prepayment as Percentage of Excess Cash Flows Percentage of excess cash flow to be used for prepayment of debt Represents the percentage of net cash proceeds from all sales of assets or other dispositions by the entity or as a result of casualty or condemnation, subject to reinvestment provisions and other customary adjustments, required to be used for the prepayment of the debt instrument. Debt Instrument Percentage of Net Proceeds from Asset or Other Disposition or Casualty or Condemnation to be Used for Prepayment Percentage of net cash proceeds received from non-ordinary course asset sales or other dispositions, or as a result of a casualty or condemnation to be used for prepayment of debt Represents the mandatory prepayment as a percentage of the proceeds received from specified debt issuance. Debt Instrument Prepayment as Percentage of Proceeds of Specified Debt Issuance Percentage of net proceeds received from the issuance of debt obligations other than certain permitted debt obligations to be used for prepayment of debt Debt Instrument, Periodic Payment, Principal Periodic payment in equal quarterly installments Represents the net amount of long term debt at maturity. Long Term Debt at Maturity Debt outstanding at maturity Line of Credit Facility, Remaining Borrowing Capacity Availability under revolving loan facility Letters of Credit Outstanding, Amount Outstanding letters of credit Represents consecutive period for which the financial covenant of leverage ratio is to be maintained. Debt Instrument Covenant Consecutive Period for Financial Maintenance of Leverage Ratio Consecutive period for financial maintenance covenant of leverage ratio Represents the percentage of the principal amount of the debt instrument that the entity may redeem with net proceeds from certain equity offerings. Debt Instrument Redemption with Net Proceeds from Equity Offerings as Percentage of Principal Amount Percentage of the principal amount of the debt instrument which the entity may redeem with the proceeds from certain equity offerings Represents the redemption price as a percentage of the principal amount at which the entity may redeem the debt instrument with net proceeds of certain equity offerings. Debt Instrument Redemption Price with Net Proceeds from Equity Offerings as Percentage of Principal Amount Percentage of the principal amount representing the redemption price of notes which may be redeemed with proceeds from certain equity offerings Represents the redemption price as a percentage of the principal amount at which the debt instrument may be required to be repurchased in the event of a change of control by the entity. Debt Redemption Price upon Change of Control as Percentage of Principal Amount Percentage of principal amount at which notes may be required to be repurchased in event of change of control by the entity Represents the issue price as a percentage of the principal amount of debt instrument. Debt Instrument Issue Price as Percentage of the Principal Amount Issue price (as a percent) Long-term Debt, Fiscal Year Maturity [Abstract] Maturities of Long-Term Debt and Notes Payable Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year October 1, 2014 - December 31, 2014 Long-term Debt, Maturities, Repayments of Principal in Year Two 2015 Long-term Debt, Maturities, Repayments of Principal in Year Three 2016 Long-term Debt, Maturities, Repayments of Principal in Year Four 2017 Long-term Debt, Maturities, Repayments of Principal in Year Five 2018 Long-term Debt, Maturities, Repayments of Principal after Year Five 2019 and beyond Fair Value, by Balance Sheet Grouping [Table] Line Of Credit [Member] Senior secured credit facility Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value Long-term Debt, Fair Value Fair value Schedule of Segment Reporting Information, by Segment [Table] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Corporate headquarters or functional department that may not earn revenues or may earn revenues that are only incidental to the activities of the entity and certain other non-consolidating joint ventures and minority investments in other healthcare related businesses and are not considered an operating segment. Corporate Non Segment And Other [Member] Other Segment Reporting Information [Line Items] Segment information Number of Operating Segments Number of operating segments Selected Financial Information [Abstract] Summary of selected financial data Represents the net income before interest, income taxes, depreciation and amortization, gain (loss) on early retirement of debt, stock compensation expense, equity in earnings (losses) of unconsolidated subsidiaries, and other income (expense). Adjusted Net Income before Interest Income Taxes Depreciation and Amortization Adjusted EBITDA Allocated Share-based Compensation Expense Stock compensation expense Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Numerator: Undistributed Earnings Allocated to Participating Securities Less: Earnings allocated to unvested restricted stockholders Net Income (Loss) Available to Common Stockholders, Basic Net income available to common stockholders Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Denominator: Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Effect of dilutive securities: Stock options (in shares) Earnings Per Share, Basic and Diluted [Abstract] Income per common share Earnings Per Share, Diluted, Other Disclosures [Abstract] Anti-dilutive securities excluded from computation of earnings per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Stock options (in shares) Loss Contingencies [Table] Insurance Type and Tier Identifier [Axis] Type And Tier Identifier [Domain] Type and Tier Identifier [Domain] Professional Malpractice Liability [Member] Professional liability claims General Liability [Member] General liability claims Represents information pertaining to Select Specialty Hospital - Evansville, a long term acute care hospital of the entity, located in Evansville, Indiana. Select Specialty Hospital Evansville [Member] SSH-Evansville Loss Contingency Nature [Axis] Loss Contingency Nature [Domain] Loss Contingency, Nature [Domain] Represents the amended complaint in United States of America and the State of Indiana unsealed by a federal magistrate judge. Amended Complaint [Member] Amended complaint Loss Contingencies [Line Items] Commitments and Contingencies Malpractice Insurance, Deductible Self insurance retention per occurrence Represents the number of case managers identified as plaintiff under the amended complaint. Number of Case Managers Identified as Plaintiff Number of case managers identified as plaintiff Represents the number of physicians named as defendants under the amended complaint. Number of Physicians Named as Defendants Number of physicians named as defendants Represents the number of days the deadlines have been stayed regarding the amended complaint. Loss Contingency, Number of Days the Deadlines have been Stayed Regarding the Amended complaint Number of days the deadlines have been stayed from the Magistrate judge Construction Commitments [Abstract] Construction Commitments Contractual Obligation Outstanding commitments under construction contracts Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event Subsequent Event [Line Items] Subsequent Event Common Stock, Dividends, Per Share, Declared Cash dividend declared (in dollars per share) Condensed Financial Statements [Table] Reportable Legal Entities [Member] Reportable legal entities Consolidation Eliminations [Member] Eliminations Information by second categorization of legal entity. Legal Entity Secondary Categorization [Axis] The second categorization of the legal entity by type. Entity By Secondary Categorization [Domain] Entity by Secondary Categorization [Domain] Parent Company [Member] Select Medical Corporation (Parent Company Only) Guarantor Subsidiaries [Member] Subsidiary Guarantors Non Guarantor Subsidiaries [Member] Non-Guarantor Subsidiaries Condensed Financial Statements, Captions [Line Items] Consolidated Balance Sheets Consolidating Statement of Operations Due from Affiliate, Current Intercompany receivables Investments in and Advances to Affiliates, Amount of Equity Investment in affiliates Deferred Tax Assets, Net, Noncurrent Non-current deferred tax asset Due to Affiliate, Current Intercompany payables Represents cumulative amount of the reporting entity's accumulated earnings in subsidiary. Accumulated Earnings in Subsidiary Subsidiary investment Represents the amount of intercompany interest and royalty fees. Intercompany Interest and Royalty Fees Intercompany interest and royalty fees Management Fees Revenue Intercompany management fees This item represents the entity's proportionate share for the period of the income (loss) before taxes, of its consolidated subsidiaries. Income (Loss) from Subsidiaries Equity in earnings of subsidiaries Equity in earnings of subsidiaries Represents the amount of intercompany reallocation. Intercompany Reallocation Intercompany Represents information pertaining to revolving credit facility that matures from June 1, 2016 to March 1, 2018. Revolving Credit Facility Maturing From June1st2016 To March1st2018 [Member] Revolving credit facility that matures from June 1, 2016 to March 1, 2018