75000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 75010 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 75020 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 75030 - Statement - Consolidated Statements of Operations link:presentationLink link:calculationLink link:definitionLink 75040 - Statement - Consolidated Statements of Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 75050 - Statement - Consolidated Statements of Equity and Temporary Equity link:presentationLink link:calculationLink link:definitionLink 75060 - Statement - Consolidated Statements of Equity and Temporary Equity (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 75070 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 995457 - Disclosure - Cybersecurity Risk Management, Strategy, and Governance link:presentationLink link:calculationLink link:definitionLink 995467 - Disclosure - Organization link:presentationLink link:calculationLink link:definitionLink 995477 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 995487 - Disclosure - Real Estate Facilities link:presentationLink link:calculationLink link:definitionLink 995497 - Disclosure - Third Party Platform Acquisition link:presentationLink link:calculationLink link:definitionLink 995507 - Disclosure - Pro Forma Financial Information link:presentationLink link:calculationLink link:definitionLink 995517 - Disclosure - Investments in Unconsolidated Real Estate Ventures link:presentationLink link:calculationLink link:definitionLink 995527 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 995537 - Disclosure - Preferred Equity link:presentationLink link:calculationLink link:definitionLink 995547 - Disclosure - Derivative Instruments link:presentationLink link:calculationLink link:definitionLink 995557 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 995567 - Disclosure - Segment Disclosures link:presentationLink link:calculationLink link:definitionLink 995577 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 995587 - Disclosure - Equity Based Compensation link:presentationLink link:calculationLink link:definitionLink 995597 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 995607 - Disclosure - Declaration of Distributions link:presentationLink link:calculationLink link:definitionLink 995617 - Disclosure - Selected Quarterly Data (Unaudited) link:presentationLink link:calculationLink link:definitionLink 995627 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 995637 - Disclosure - Schedule III Real Estate and Accumulated Depreciation link:presentationLink link:calculationLink link:definitionLink 995647 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 995657 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 995667 - Disclosure - Real Estate Facilities (Tables) link:presentationLink link:calculationLink link:definitionLink 995677 - Disclosure - Third Party Platform Acquisition (Tables) link:presentationLink link:calculationLink link:definitionLink 995687 - Disclosure - Investments in Unconsolidated Real Estate Ventures (Tables) link:presentationLink link:calculationLink link:definitionLink 995697 - Disclosure - Pro Forma Financial Information (Tables) link:presentationLink link:calculationLink link:definitionLink 995707 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 995717 - Disclosure - Derivative Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 995727 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 995737 - Disclosure - Segment Disclosures (Tables) link:presentationLink link:calculationLink link:definitionLink 995747 - Disclosure - Related Party Transactions (Tables) link:presentationLink link:calculationLink link:definitionLink 995757 - Disclosure - Equity Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 995767 - Disclosure - Selected Quarterly Data (Unaudited) (Tables) link:presentationLink link:calculationLink link:definitionLink 995777 - Disclosure - Subsequent Events (Tables) link:presentationLink link:calculationLink link:definitionLink 995787 - Disclosure - Organization - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 995797 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 995807 - Disclosure - Summary of Significant Accounting Policies - Summary of Sponsorship Funding Payments (Detail) link:presentationLink link:calculationLink link:definitionLink 995817 - Disclosure - Summary of Significant Accounting Policies - Estimated Useful Lives used to Depreciate Real Property Assets (Detail) link:presentationLink link:calculationLink link:definitionLink 995827 - Disclosure - Summary of Significant Accounting Policies - Summary of Fixed Rate Notes Payable (Details) link:presentationLink link:calculationLink link:definitionLink 995837 - Disclosure - Summary of Significant Accounting Policies - Schedule of Assets and Liabilities Measured at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 995847 - Disclosure - Summary of Significant Accounting Policies - Schedule of Computation of Earnings Per Common Share (Details) link:presentationLink link:calculationLink link:definitionLink 995857 - Disclosure - Summary of Significant Accounting Policies - Summary of Antidilutive Shares Excluded from Computation of Earnings per Share (Details) link:presentationLink link:calculationLink link:definitionLink 995867 - Disclosure - Real Estate Facilities - Schedule of Activity in Real Estate Facilities (Detail) link:presentationLink link:calculationLink link:definitionLink 995877 - Disclosure - Real Estate Facilities - Schedule of Activity in Real Estate Facilities (Parenthetical) (Details) link:presentationLink link:calculationLink link:definitionLink 995887 - Disclosure - Real Estate Facilities - Summary of Purchase Price Allocation for Real Estate Related Assets Acquired (Detail) link:presentationLink link:calculationLink link:definitionLink 995897 - Disclosure - Real Estate Facilities - Summary of Purchase Price Allocation for Real Estate Related Assets Acquired (Parenthetical) (Details) link:presentationLink link:calculationLink link:definitionLink 995907 - Disclosure - Real Estate Facilities - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 995917 - Disclosure - Third Party Platform Acquisition - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 995927 - Disclosure - Third Party Platform Acquisition - Summary of Reconciles Total Consideration Transferred (Detail) link:presentationLink link:calculationLink link:definitionLink 995937 - Disclosure - Third Party Platform Acquisition - Summary of Reconciles Total Consideration Transferred (Parenthetical) (Details) link:presentationLink link:calculationLink link:definitionLink 995947 - Disclosure - Third Party Platform Acquisition - Summary of Relative Fair Values of Assets Acquired and Liabilities Assumed (Detail) link:presentationLink link:calculationLink link:definitionLink 995957 - Disclosure - Third Party Platform Acquisition - Summary of Relative Fair Values of Assets Acquired and Liabilities Assumed (Parenthetical) (Details) link:presentationLink link:calculationLink link:definitionLink 995967 - Disclosure - Pro Forma Financial Information - Summary of Consolidated Results of Operations on Pro Forma Basis (Details) link:presentationLink link:calculationLink link:definitionLink 995977 - Disclosure - Pro Forma Financial Information (Additional Information) (Details) link:presentationLink link:calculationLink link:definitionLink 995987 - Disclosure - Investments in Unconsolidated Real Estate Ventures - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 995997 - Disclosure - Investments in Unconsolidated Real Estate Ventures - Summary of Investments in Unconsolidated Real Estate Ventures (Details) link:presentationLink link:calculationLink link:definitionLink 996007 - Disclosure - Debt - Schedule of Summarized Real Estate Secured Debt (Detail) link:presentationLink link:calculationLink link:definitionLink 996017 - Disclosure - Debt - Schedule of Summarized Real Estate Secured Debt (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996027 - Disclosure - Debt - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996037 - Disclosure - Debt - Future Principal Payment Requirements on Outstanding Debt (Detail) link:presentationLink link:calculationLink link:definitionLink 996047 - Disclosure - Preferred Equity - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 996057 - Disclosure - Derivative Instruments - Summary of Derivative Financial Instruments (Detail) link:presentationLink link:calculationLink link:definitionLink 996067 - Disclosure - Derivative Instruments - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996077 - Disclosure - Derivative Instruments - Schedule of Fair Value of Derivative Financial Instruments and Classification In Consolidated Balance Sheets (Detail) link:presentationLink link:calculationLink link:definitionLink 996087 - Disclosure - Derivative Instruments - Schedule of Fair Value of Derivative Financial Instruments and Classification In Consolidated Balance Sheets (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996097 - Disclosure - Derivative Instruments - Summary of Effect of Derivative Financial Instruments on Consolidated Statements of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 996107 - Disclosure - Income Taxes - Summary of Domestic and International Components of Income (Loss) Before Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 996117 - Disclosure - Income Taxes - Summary of the Company's Income Tax Expense (Benefit) (Detail) link:presentationLink link:calculationLink link:definitionLink 996127 - Disclosure - Income Taxes - Summary of the Company's Income Tax Expense (Benefit) (Detail) 2 link:presentationLink link:calculationLink link:definitionLink 996137 - Disclosure - Income Taxes - Summary of Income Taxes Paid by jurisdiction (Detail) link:presentationLink link:calculationLink link:definitionLink 996147 - Disclosure - Income Taxes - Schedule of Income Tax Expense (Benefit) Reconciled to the Hypothetical Amounts Computed at the U.S. Federal Statutory Income Tax Rate (Detail) link:presentationLink link:calculationLink link:definitionLink 996157 - Disclosure - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 996167 - Disclosure - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996177 - Disclosure - Income Taxes - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996187 - Disclosure - Segment Disclosures - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996197 - Disclosure - Segment Disclosures - Summary of Reportable Segments (Detail) link:presentationLink link:calculationLink link:definitionLink 996207 - Disclosure - Segment Disclosures - Summary of Reportable Segments (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996217 - Disclosure - Segment Disclosures - Summary of Total Assets by Segment (Detail) link:presentationLink link:calculationLink link:definitionLink 996227 - Disclosure - Segment Disclosures - Summary of Total Assets by Segment (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996237 - Disclosure - Related Party Transactions - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996247 - Disclosure - Related Party Transactions - Additional Information (Detail1) link:presentationLink link:calculationLink link:definitionLink 996257 - Disclosure - Related Party Transactions - Summary of Related Party Costs (Detail) link:presentationLink link:calculationLink link:definitionLink 996267 - Disclosure - Related Party Transactions - Summary of Related Party Costs (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996277 - Disclosure - Related Party Transactions - Summary of Fees and Revenue Related to the Managed REITs (Detail) link:presentationLink link:calculationLink link:definitionLink 996287 - Disclosure - Related Party Transactions - Summary of Related Party Carrying Value of Investments In Advances (Detail) link:presentationLink link:calculationLink link:definitionLink 996297 - Disclosure - Related Party Transactions - Summary of Related Party Carrying Value of Investments In Advances (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996307 - Disclosure - Equity Based Compensation - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996317 - Disclosure - Equity Based Compensation - Schedule of Non- vested Restricted Stock Grants (Detail) link:presentationLink link:calculationLink link:definitionLink 996327 - Disclosure - Equity Based Compensation - Schedule of Non- vested Restricted Stock Grants (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996337 - Disclosure - Commitments and Contingencies - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996347 - Disclosure - Declaration of Distributions - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996357 - Disclosure - Subsequent Events - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996367 - Disclosure - Schedule III Real Estate Asset and Accumulated Depreciation (Detail) link:presentationLink link:calculationLink link:definitionLink 996377 - Disclosure - Schedule III Real Estate Asset and Accumulated Depreciation (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996387 - Disclosure - Schedule III Summary of Activity in Real Estate Facilities (Detail) link:presentationLink link:calculationLink link:definitionLink Repurchase of noncontrolling interest in SST VI advisor Payments for Repurchase of Redeemable Noncontrolling Interest Unvested Weighted-Average Grant-Date Fair Value, Vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Smmary of Income Taxes Paid by Jurisdiction Business acquisition, transaction costs Business Combination, Acquisition-Related Cost, Expense Acquisition expenses First Anniversary Preferred Stock Redemption Period One [Member] Preferred stock redemption period one. Hydraulic Rd, Charlottesville Hydraulic Rd, Charlottesville [Member] Hydraulic Rd, Charlottesville. Payments to other noncontrolling interest Payments to other noncontrolling interest Distributions paid - other noncontrolling interests Segments Segments [Domain] Aurora Aurora One [Member] Aurora. Number of Unconsolidated Real Estate Development Number of unconsolidated real estate development. Number of unconsolidated real estate development Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Trademarks acquired amount Finite-Lived Trademarks, Gross Earnout unit exchange per share Earn Out Unit Exchange Per Share Earn-out unit exchange per share. Earnout unit exchange per share Concentration Risk Type Concentration Risk Type [Axis] Distributions to noncontrolling interests in our Operating Partnership Distributions to Noncontrolling Interests in our Operating Partnership Distributions to noncontrolling interests in our operating partnership. Naples [Member] Naples. Naples Summary of Related Party Costs Schedule of Related Party Transactions [Table Text Block] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Indemnification Asset Related to Accrued Compensation Indemnification asset related to accrued compensation. Indemnification asset related to accrued compensation Balance Sheet Location Statement of Financial Position Location, Balance [Domain] Payroll [Member] Payroll. Payroll Percentage of asset acquisition consideration payable in cash Percentage Of Asset Acquisition Consideration Payable In Cash Percentage of asset acquisition consideration payable in cash. Accumulated Depreciation Casualty Loss Accumulated Depreciation Casualty Loss Accumulated depreciation Casualty loss Supplemental disclosure of noncash activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Asset disposals Asset Disposals Accumulated Depreciation Asset disposals accumulated depreciation. Lakewood II [Member] Lakewood II [Member] Lakewood II Huntington Beach Huntington Beach [Member] Huntington Beach [Member] Contingent earnout adjustment Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease) Plan Name Plan Name [Axis] Tax deductible goodwill Business Combination, Goodwill, Expected Tax Deductible, Amount Swingline Loans Swingline Loans [Member] Swingline loans. Equity [Abstract] Entity Current Reporting Status Entity Current Reporting Status Real estate and construction in process included in accounts payable and accrued liabilities Real Estate And Construction In Process Included In Accounts Payable Real estate and construction in process included in accounts payable and accrued liabilities. Goodwill gross Goodwill, Gross Scarborough, Ontario. Scarborough Ontario [Member] Scarborough, Ontario Operating expenses: Operating Expenses [Abstract] Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Credit Facility Credit facility. Credit Facility [Member] SmartCentres Self Storage Facilities SmartCentres Self Storage Facilities [Member] SmartCentres self storage facilities. Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Officers and Directors Officers and Directors [Member] Officers and directors. Common Stock, shares authorized Common Stock, Shares Authorized Additional shares authorised Finite-Lived Intangible Asset, Expected Amortization, Year Four Total estimated future amortization expense of intangible assets, year 2029 Receivables due from related parties Accounts Receivable, after Allowance for Credit Loss Accounts Receivable, after Allowance for Credit Loss, Total Massachusetts MASSACHUSETTS Preferred Stock, par value Temporary Equity, Par or Stated Value Per Share Strategic Storage Growth Trust I I I Tenant Protection Program Revenue [Member] Strategic Storage Growth Trust I I I Tenant Protection Program Revenue [Member] Strategic Storage Growth Trust I I I Tenant Protection Program Revenue RBC JV Term Loan III RBC JV Term Loan III[Member] Rbc jv term loan III. Product and Service Product and Service [Axis] Preferred stock, voting rights condition Preferred Stock, Voting Rights Document Fiscal Period Focus Document Fiscal Period Focus Oakville Oakville [Member] Oakville [Member] Property Seven [Member] Property seven. Property Seven Managed REIT Platform Expenses Managed R E I T Platform Expenses [Member] Managed REIT platform expenses. Debt instrument interest rate Debt Instrument Fixed Rate Debt Instrument, Interest Rate, Stated Percentage Debt Instrument Variable Rate Brewster Brewster [Member] Brewster. Aurora II Aurora Two [Member] Aurora II Entity Shell Company Entity Shell Company Contribution agreement. Contribution Agreement [Member] Contribution Agreement Preferred Stock, shares outstanding Temporary Equity, Shares Outstanding Distributions declared Dividends, Common Stock, Cash Segment Reporting Segment Reporting, Policy [Policy Text Block] Cash and Cash Equivalents, at Carrying Value, Ending Balance Cash and Cash Equivalents, at Carrying Value, Beginning Balance Cash and Cash Equivalents, at Carrying Value, Total Cash and cash equivalents Cash and Cash Equivalent Business Combination, Consideration Transferred and Preacquisition Equity Interest in Acquiree Business Combination, Consideration Transferred and Preacquisition Equity Interest in Acquiree, Total Estimated fair value of consideration transferred Preferred stock redemption description Preferred Stock, Redemption Terms Van Buren Blvd, Riverside III Van Buren Blvd, Riverside [Member] Van Buren Blvd, Riverside III. Distributions to noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Deferred Tax Assets, Non Deductible Interest Expense Carryforwards Deferred tax assets, non deductible interest expense carryforwards. Non-deductible interest expense carry-forwards Schedule III Real Estate and Accumulated Depreciation SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Text Block] Trademarks Valuation Policy [Text Block] Trademarks valuation. Trademarks Valuation Business combination recognized identifiable assets acquired and liabilities assumed equipment furniture and fixtures. Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Equipment Furniture And Fixtures Equipment, furniture and fixtures Dupont, Ontario [Member] Dupont, Ontario [Member] Dupont Ontario Cybersecurity Risk Management, Strategy, and Governance [Abstract] Common Stock, Shares, Issued, Total Common Stock, shares issued Common Stock, Shares, Issued Line of Credit Facility Transaction Costs Line of credit facility transaction costs. Transaction cost Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag] TEXAS Texas Cybersecurity Risk Board of Directors Oversight [Text Block] Non Cash Adjustment from Equity Method Investments in Unconsolidated Real Estate Ventures Non cash adjustment from equity method investments in unconsolidated real estate ventures. Non-cash adjustment - equity method investments in unconsolidated real estate ventures Casualty [Member] Casualty member. Casualty Statement [Table] Statement [Table] New Jersey NEW JERSEY Loss Contingency Other Non-Cancellable Future Payments Due in Year Three Loss contingency other non-cancellable future payments due in year three. Loss contingency other non-cancellable future payment due year three Net Asset Value Percentage Net Asset Value Percentage Net asset value percentage Number of operational unconsolidated real estate ventures Number of Operational Real Estate Ventures Number of operational real estate ventures. KeyBank SST IV CMBS Loan Key Bank Sst Iv Cmbs Loan [Member] KeyBank SST IV CMBS loan. Class T D and I Common Shares [Member] Class t d and i common shares. Class T D and I Common Shares La Habra La Habra [Member] La Habra [Member] Organization And Nature Of Operations [Table] Organization And Nature Of Operations [Table] Organization and Nature of Operations [Table] LTIPs Long Term Incentive Plan Units [Member] Long term incentive plan units. Unvested LTIP Units Canadian J V Properties [Member] Canadian JV properties. Canadian JV Properties Payments to Acquire Businesses, Gross Deposits on acquisitions Cash Debt Investment Owned, Balance, Principal Amount Class FT FD and FI OP Units [Member] Class FT FD and FI OP units. Class FT FD and FI OP Units Statement [Line Items] Statement [Line Items] Business Acquisition, Acquiree Business Combination [Domain] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Sherwood Park Alberta [Member] Sherwood Park, Alberta. Sherwood Park, Alberta Gosling Rd, The Woodlands Gosling Rd, The Woodlands [Member] Gosling Rd, The Woodlands. Entity Filer Category Entity Filer Category Purchase of other investments Payments to Acquire Other Investments Hedge Cash Settlement Matures on November Five Two Thousand Twenty Five Hedge Cash Settlement Matures on November Five Two Thousand Twenty Five [Member] Hedge cash settlement matures on november five two thousand twenty five. Capitol dr milwaukee. Capitol Dr Milwaukee [Member] Capitol Dr, Milwaukee Percentage Of Revenue From Tenant Protection Programs Percentage Of Revenue From Tenant Protection Programs Percentage of revenue from tenant protection programs SmartStop Storage Advisors, LLC [Member] SmartStop storage advisors, llc. SmartStop Storage Advisors, LLC Loss contingency other non cancellable future payments due in year one. Loss Contingency Other Non-Cancellable Future Payments Due in Year One Loss contingency other non-cancellable future payments due in year one Depreciation of Personal Property Assets Depreciation Of Personal Property Assets Policy [Text Block] Depreciation Of Personal Property Assets Policy [Text Block] Debt Instrument, Redemption, Period Two [Member] Schedule Two Liabilities and Equity Total liabilities, temporary equity and equity Debt Instrument [Line Items] Debt Instrument [Line Items] Investment Interest Rate Effective Interest/Preferred Rate Long-Term Debt, Maturity, Year Three 2028 Long-Lived Tangible Asset Long-Lived Tangible Asset [Axis] Severance Costs Severance Costs Sonoma [Member] Sonoma Sonoma. SST IV Merger SST IV Merger Agreement S S T I V Merger Agreement [Member] SST IV merger agreement. Required percentage of self storage related assets of merger entity Required Percentage Of Self Storage Related Assets Of Merger Entity Required percentage of self storage related assets of merger entity. Midland North Carolina CMBS Loan Midland North Carolina Cmbs Loan [Member] Midland North Carolina CMBS loan. Business Combination, Voting Equity Interest Acquired, Percentage Percentage of voting membership interest Ownership percentage Cybersecurity Risk Third Party Oversight and Identification Processes [Flag] Quarterly Financial Information Disclosure [Abstract] Latest Tax Year [Member] Latest Tax Year Proceeds from Issuance of Debt Gross proceeds - issuance of non-credit facility debt Derivative [Line Items] Derivative [Line Items] Proceeds from Dividends Received Dividend distribution received Self Administration Transaction Self Administration Transaction [Member] Self administration transaction. Deferred Tax Assets, Valuation Allowance Valuation allowance Valuation allowance Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Expected tax benefit at statutory rate, Percent Alabama ALABAMA Subsequent Event [Line Items] Subsequent Event [Line Items] Net Income Loss Attributable to Other Noncontrolling Interests Net income loss attributable to other noncontrolling interests. Net income attributable to other noncontrolling interests Initial Cost to Company, Land SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land Cybersecurity Risk Management Third Party Engaged [Flag] Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Royal Bank of Canada Prime Rate Canada Prime Rate [Member] Canada prime rate. SOFR Cap December 1, 2025 Secured Overnight Financing Rate Sofr Overnight Index Matured December One TwoThousand Twenty Five [Member] Secured overnight financing rate sofr overnight index matured december one twothousand twenty five member. Goodwill, Ending Balance Goodwill, Beginning Balance Goodwill, Total Goodwill Goodwill Effective Income Tax Rate Reconciliation, Percent Total income tax expense (benefit), Percent Total Effective Income Tax Rate Reconciliation, Percent SST VI OP Units and SLP [Member] SST VI OP Units and SLP [Member] SST VI OP Units and SLP Cash paid for income taxes Income Taxes Paid Key Bank Key Bank [Member] Key bank. Two Thousand Twenty Five KeyBank Bridge Loan [Member] Two thousand twenty five keybank bridge loan. 2025 KeyBank Bridge Loan SST VI OP. S S T V I O P [Member] SST VI OP Line of Credit Facility, Increase (Decrease), Net, Total Credit facility, increased commitment Line of Credit Facility, Increase (Decrease), Net Increased the principal borrowing amount Income Tax Authority Income Tax Jurisdiction [Axis] Percentage of Investment Fee Percentage of investment fee. Percentage of investment fee Elgin Elgin [Member] Elgin. Declaration of Distributions Dividends [Text Block] Dividends [Text Block] Eastlake Eastlake [Member] Eastlake. Geographical Geographical [Domain] Deposit applied to the purchase of real estate Real Estate Owned, Transfer to Real Estate Owned Payments to acquire intangible assets Payments to Acquire Intangible Assets Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] CORRA Swap March 7, 2027 Canadian Overnight Repo Rate Average Matured March Seven TwoThousand Twenty Seven [Member] Canadian overnight repo rate average matured march seven twot housand twenty seven member Jim Johnson Rd, Plant City Jim Johnson Rd, Plant City [Member] Jim Johnson Rd, Plant City. Canadian Citi Bank Loan Canadian Citi Bank Loan [Member] Canadian Citibank loan. Littleton Littleton [Member] Littleton [Member] Fourth Anniversary Preferred Stock Redemption Period Four [Member] preferred stock redemption period four. Secured Overnight Financing Rate Sofr Overnight Index Matured December One TwoThousand Twenty Six [Member] Secured overnight financing rate sofr overnight index matured december one twothousand twenty six member SOFR Cap December 1, 2026 Proceeds from Sale, Property, Held-for-Sale Sale of property Employer matching contribution, percent Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Series A Convertible Preferred Stock Purchase Agreement Series A Convertible Preferred Stock Purchase Agreement [Member] Series A convertible preferred stock purchase agreement. Jupiter Jupiter [Member] Jupiter. CMBS SASB Loan C M B S S A S B Loan [Member] CMBS SASB loan. Oshawa, Ontario Oshawa Ontario [Member] Oshawa, Ontario Derivative Instruments And Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Accounts Receivable, Allowance for Credit Loss, Ending Balance Accounts Receivable, Allowance for Credit Loss, Beginning Balance Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss Additional Paid in Capital, Common Stock, Ending Balance Additional Paid in Capital, Common Stock, Beginning Balance Additional paid-in capital Additional Paid in Capital, Common Stock Class A-2 Units (contingent earnout) Class A-2 Units Class A2 Units [Member] Class A-2 Units. Description for termination of offering Description For Termination Of Offering Description for termination of offering. Description for termination of offering Capitalization rate leverage ratio Capitalization Rate Leverage Ratio Capitalization rate leverage ratio. Debt Issuance Costs, Net, Total Debt issuance costs, net Debt Issuance Costs, Net Deferred Debt Issuance Cost Loan to value ratio Loan To Value Ratio Loan to value ratio Nevada NEVADA Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Tax withholding (net settlement) related to vesting of restricted stock Investment Maturity Date Maturity Date Disposition Fee Member. Disposition Fee [Member] Disposition Fee West rd houston. West Rd Houston [Member] West Rd, Houston Property Six [Member] Property six. Property Six Related Party Related Party [Member] Conversion of A-2 Units into A-1 Units Conversion of Stock, Amount Converted Additional shares issued pursuant to distribution reinvestment plan, value Issuance of shares for distribution reinvestment plan Stock Issued During Period, Value, Dividend Reinvestment Plan Credit Facility Drew Credit facility drew. Credit facility drew Redmond Fall City Rd, Redmond Redmond Fall City Rd, Redmond [Member] Redmond Fall City Rd, Redmond. Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Property Plant And Equipment [Line Items] Property, Plant and Equipment [Line Items] Loss Contingency Other Non-Cancellable Future Payment Due Year Two Loss contingency other non-cancellable future payment due year two. Loss contingency other non-cancellable future payment due year two Upfront sales commission Percentage of Upfront Sales Commission Percentage of upfront sales commission Currency Currency [Axis] Our former external property management fee Property Management Monthly Management Fee Property management monthly management fee. Initial Advances under 2024 Credit Facility Initial Advances under Two Thousand Twenty Four Credit Facility [Member] Initial Advances under Two Thousand Twenty Four Credit Facility. Hedge Cash Settlement on February Fourteen Two Thousand Twenty Four [Member] Hedge cash settlement on february fourteen two thousand ttwenty four. Hedge Cash Settlement on February Fourteen Two Thousand Twenty Four Less: Distributions to preferred stockholders Redeemable Preferred Stock Dividends Cybersecurity Risk Management, Strategy, and Governance [Table] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Computation of Earnings Per Common Share SST VI OP Units, SLP and Series C Units [Member] SST VI OP Units, SLP and Series C Units. SST VI OP Units, SLP and Series C Units F I Common Shares [Member] Fi common shares. F I Common Shares Whittier Whittier [Member] Whittier [Member] Managed Platform Revenue [Member] Managed platform revenue. Managed Platform revenue Secured Loan Secured Loan [Member] Secured loan. Payment of Payroll Withholding Tax on Stock Vesting Payment of payroll withholding tax on stock vesting. Payment of payroll withholding tax on stock vesting Forestville [Member] Forestville [Member] Forestville Common stock issued Equity Issued in Business Combination, Fair Value Disclosure Baltimore Baltimore [Member] Baltimore. Proceeds from Issuance of Preferred Stock and Preference Stock Proceeds from issuance of preferred stock and preference stock Investment, Name Investment, Name [Axis] Distributions payable Dividends Payable Earnings Per Share, Basic, Total Earnings Per Share, Basic Net income (loss) per Class A & Class T share - basic Net loss per Common Stock, Basic Investment Grade Credit External Credit Rating, Investment Grade [Member] Class FT FD and F1 Common Shares [Member] Class ft fd and f1 common shares. Class FT FD and F1 Common Shares Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Investments in unconsolidated real Estate ventures. Investments In Unconsolidated Real Estate Ventures [Line Items] Investments In Unconsolidated Real Estate Ventures [Line Items] Issuance of shares pursuant to distribution reinvestment plan Stock Issued Debt Issuance Costs Debt, Policy [Policy Text Block] Repayments of Secured Debt Scheduled principal payments on non-credit facility debt Asheville VII Asheville Seven [Member] Asheville seven. Revolving Credit Facility Credit Facility Revolver Revolving Credit Facility [Member] Real Estate Investments Unconsolidated Real Estate Ventures Real estate investments unconsolidated real estate ventures. Investments in unconsolidated real estate ventures (Note 6) Security Interest Termination Event Security Interest Termination Event [Member] Security Interest Termination Event. SOFR Cap July 1, 2025 Secured Overnight Financing Rate Sofr Overnight Index Matured July One TwoThousand Twenty Five [Member] Secured overnight financing rate sofr overnight index matured july one two thousand twenty five Member Sacramento Sacramento [Member] Sacramento. Master mortgage commitment agreement. Master Mortgage Commitment Agreement [Member] Master Mortgage Commitment Agreement Initial advance under the 2025 KeyBank Acquisition Facility Initial Advances Under Two Thousand Twenty Five Key Bank Acquisition Facility [Member] Initial advances under two thousand twenty five key bank acquisition facility. Cash distribution record date end Dividends Payable, Date of Record Class A-1 Units Class A1 Unit [Member] Class A-1 Unit. Salary and Wage, Excluding Cost of Good and Service Sold Salary and Wage, Excluding Cost of Good and Service Sold, Total Payroll Income Tax Paid, Federal, after Refund Received Income Tax Paid, Federal, after Refund Received, Total Federal tax payments Sarasota Sarasota [Member] Sarasota. Fair Value Notes Payable, Fair Value Disclosure United States Domestic Tax Jurisdiction [Member] Federal SmartStop Asset Management Smartstop Asset Management Limited Liability Company [Member] SmartStop Asset Management Limited Liability Company [Member] Gain Contingency, Nature [Domain] Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent Other liabilities Santa Rosa Santa Rosa [Member] Santa Rosa [Member] Ontario Ontario ONTARIO Maximum purchase commitment amount Maximum Purchase Commitment Amount Maximum purchase commitment amount. Real estate facility acquisitions. Real Estate Facility Acquisitions Facility acquisitions Upland Upland [Member] Upland [Member] Employee and Director Long-term Incentive Plan Employee And Director Long Term Incentive Plan [Member] Employee and director long-term incentive plan. Rental Income Rental Income [Member] Rental income . SST VI Advisor [Member] SST VI Advisor. SST VI Advisor Equity: Equity, Attributable to Parent [Abstract] Colorado Springs II (Boychuk Ave) Colorado Springs II Boychuk Ave [Member] Colorado Springs II Boychuk Ave. Colorado COLORADO Entity Small Business Entity Small Business Convertible Preferred Stock Convertible Preferred Stock Policy [Text Block] Disclosure of accounting policy for convertible preferred stock. Class W Common Class W [Member] Common class W. Percentage of secured obligation Percentage Of Secured Obligation Percentage of secured obligation. External Credit Rating by Grouping [Axis] Up to Second Anniversary Up to second anniversary. Up To Second Anniversary [Member] Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Total Accumulated deficit Retained Earnings (Accumulated Deficit) Kingspoint, Ontario Kingspoint Ontario [Member] Kingspoint Ontario Derivative Maturity Payment Derivative maturity payment. Derivative maturity payment Lompoc Lompoc [Member] Lompoc [Member] Secured Overnight Financing Rate Sofr Overnight Index Matured July One Two Thousand Twenty Five One [Member] Secured overnight financing rate sofr overnight index matured july one two thousand twenty five one. SOFR Cap July 1, 2025 Organization Nature of Operations [Text Block] Preferred Stock Preferred Stock Preferred Stock [Member] Geographic Concentration Risk Geographic Concentration Risk [Member] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Dealer Manager Select Capital Corporation [Member] Select Capital Corporation [Member] Initial price Sale of Stock, Price Per Share Gross proceeds from issuance of operating partnership units in SST VI OP Partners' Capital Account, Sale of Units, Total Partners' Capital Account, Sale of Units Gross proceeds from issuance of operating partnership units in SST VI OP Current Foreign Tax Expense (Benefit) Current Canadian income tax expense (benefit) Greenville Greenville [Member] Greenville. Equity Based Compensation Share-Based Payment Arrangement [Text Block] Acquisition fees member. Acquisition Fees [Member] Acquisition Fees Accretion Of Preferred Equity Costs Accretion preferred equity costs. Less: Accretion- preferred equity costs Less: Accretion- preferred equity costs Organization, Consolidation and Presentation of Financial Statements [Abstract] Incremental assets under management Incremental Assets Under Management Incremental assets under management. Line of credit facility, number of extension options Line Of Credit Facility Number Of Extension Options Line of credit facility number of extension options. Interest Rate Derivatives [Member] Interest rate derivatives. Interest Rate Derivatives Sidney Sidney [Member] Sidney. Class A Common stock Common Class A [Member] Class A shares Catastrophic Event [Axis] Accretion of fair market value adjustment of secured debt Interest expense – accretion of fair market value of secured debt Accretion Of Fair Market Value Of Secured Debt Accretion of fair market value of secured debt. Debt Instrument, Payment Terms Amendment Flag Amendment Flag Requisite minimum outstanding period for conversion eligibility Conversion Of Partnership Units Requisite Minimum Period Outstanding Conversion of partnership units requisite minimum period outstanding. Van Buren Blvd, Riverside II Van Buren Blvd, Riverside I I [Member] Van Buren Blvd, Riverside I I [Member] Product and Service Product and Service [Domain] 2020 Performance Grant [Member] Two Thousand And Twenty Performance Grant [Member] Two Thousand And Twenty Performance Grant [Member] SSGT III Secured Note [Member] SSGT III secured note member. SSGT III Secured Note Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Expected tax benefit at statutory rate Percentage of origination fee Debt Instrument Percentage of Origination Fee. Debt instrument percentage of origination fee. Trademarks Trademarks Policy [Text Block] Trademarks. Class FT FD and FI Common Shares [Member] Class ft fd and fi common shares. Class FT FD and FI Common Shares Hedge Cash Settlement On February Sixteen Two Thousand Twenty Four Hedge Cash Settlement On February Sixteen Two Thousand Twenty Four [Member] Hedge Cash Settlement On February Sixteen Two Thousand Twenty Four. Hedge Cash Settlement Matures on August Twenty Seven Two Thousand Twenty Five [Member] Hedge Cash Settlement Matures on August Twenty Seven Two Thousand Twenty Five Hedge Cash Settlement Matures on August Twenty Seven Two Thousand Twenty Five Per Share Data Earnings Per Share, Policy [Policy Text Block] Liabilities and Equity [Abstract] LIABILITIES, TEMPORARY EQUITY, AND EQUITY Entity Address, Postal Zip Code Entity Address, Postal Zip Code Allowance for Doubtful Accounts Accounts Receivable [Policy Text Block] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Riverside Riverside One [Member] Riverside. North Carolina NORTH CAROLINA NC Other Related Party Transaction [Member] Other Related Party Transaction [Member] Other Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description SSGT II Common Stock Common Stock Common Stock [Member] 2027 NBC Loan Two Thousand Twenty Seven NBC Loan [Member] Two Thousand Twenty Seven NBC Loan. RBC JV Term Loan RBC JV Term Loan [Member] RBC JV term loan member. Up to Third Anniversary Up to third anniversary. Up To Third Anniversary [Member] 2024 Credit Facility Two Thousand Twenty Four Credit Facility [Member] Two thousand twenty four credit facility. Cybersecurity Risk Role of Management [Text Block] Employer matching contributions, amount Defined Contribution Plan, Employer Discretionary Contribution Amount Long-Term Debt, Maturity, Year One 2026 Number of properties covering the management regarding principal assets acquired Number of Properties Covering The Management Regarding Principal Assets Acquired. Number of properties covering the management regarding principal assets acquired. Schedule of Fair Value of Derivative Financial Instruments and Classification In Consolidated Balance Sheets Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Additional capital contribution Payments to Acquire Interest in Joint Venture Foley Foley [Member] Foley [Member] Secured Debt, Total Carrying Value Secured Debt Dividend rate percentage of increase on preferred stock Dividend Rate Percentage Increase Per Annum Dividend rate percentage increase per annum. Hualapai Way, Las Vegas Hualapai Way Las Vegas [Member] Hualapai Way Las Vegas. Asheville IV Asheville Four [Member] Asheville four. Income Tax Paid, by Individual Jurisdiction [Line Items] Canada, Dollars CAD Foreign currency translation adjustment Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax Other comprehensive income loss foreign currency translation adjustment net of tax. Real estate facilities: Real Estate Investment Property, Net [Abstract] Fixed annual rate Interest rate Debt Instrument, Interest Rate, Effective Percentage Managed REITs Managed R E I T S [Member] Managed REITs. Managed REITs Entity Address, Address Line One Entity Address, Address Line One Gross deferred tax liability Deferred Tax Liabilities, Gross Total deferred tax liability Total deferred tax liability Insurance proceeds on insured property damage Proceeds from Insurance Settlement, Investing Activities Fair Value Hierarchy and NAV [Axis] Earnings Per Share [Abstract] Income Taxes Income Tax, Policy [Policy Text Block] Business combination recognized identifiable assets acquired and liabilities assumed accounts payable and accrued liabilities. Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Accounts Payable And Accrued Liabilities Accounts payable and other liabilities Accounts payable and accrued expenses Derivative, Termination Date Derivative, termination date. Derivative termination date OCI, Cash Flow Hedge, Reclassification for Discontinuance, Statement of Income or Comprehensive Income [Extensible Enumeration] Temporary Equity, Carrying Amount, Attributable to Parent Redeemable common stock Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag] Supplemental disclosures and non-cash transactions: Supplemental Cash Flow Information [Abstract] Foreign Currency Translation Foreign Currency Transactions and Translations Policy [Policy Text Block] Property, Plant and Equipment, Depreciation Method [Extensible Enumeration] Strategic Storage Growth Trust II Property Management Agreement Strategic Storage Growth Trust I I Property Management Agreement [Member] Strategic Storage Growth Trust II Property Management Agreement. Name of Property Name of Property [Axis] Asheville I Asheville One [Member] Asheville one. Improvements and additions Real Estate Improvements Additions And Other Real estate improvements, additions and other. Payments for Derivative Instrument, Investing Activities Payments for derivative instrument investing activities Balance Sheet Location Statement of Financial Position Location, Balance [Axis] Strategic Storage Trust V I Advisory Agreement Strategic Storage Trust V I Advisory Agreement [Member] Strategic Storage Trust VI Advisory Agreement. Class A and Class T Common Shares Class A and Class T Common Shares [Member] Class A and Class T Common Shares [Member] Regent, Ontario Member. Regent, Ontario [Member] Regent Ontario Louetta Rd Houston [Member] Louetta Rd Houston. Louetta Rd, Houston Gross deferred tax asset Deferred Tax Assets, Gross Total deferred tax assets Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block] Net Income (Loss) Attributable to Noncontrolling Interest, Total Net loss attributable to the noncontrolling interests in our Operating Partnership Net Income (Loss) Attributable to Noncontrolling Interest Net (income) loss attributable to noncontrolling interests Net loss (income) attributable to noncontrolling interests Net (income) loss attributable to noncontrolling interests USD Borrowings U S D Borrowings [Member] USD Borrowings. Number of Employees and Directors Number of employees and directors. Number of employees and directors Debt Instrument, Redemption, Period Debt Instrument, Redemption, Period [Axis] Markham, Ontario member. Markham, Ontario [Member] Markham Ontario Percentage of Fees Owed for Structuring and Origination Percentage of fees owed for structuring and origination. Percentage of fees owed for structuring and origination Riverside Riverside [Member] Riverside [Member] Land Land Business Combination, Recognized Asset Acquired, Other Asset, Current Other assets Document Type Document Type Strategic Storage Trust IV Tenant Protection Program Revenue Strategic Storage Trust IV Tenant Protection Program Revenue Member Strategic Storage Trust IV tenant protection program revenue. Income Taxes Paid, Net Total taxes paid Accretion of financing fee revenues Accretion of financing fee revenues Accretion Of Financing Fee Revenues Accretion of financing fee revenues. Gross Profit Segment operating income Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Percentage of limited partnership interests Subsidiary, Ownership Percentage, Parent Interests Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Entity Central Index Key Entity Central Index Key Percentage of Amount Receive from Equity Issuances Percentage of amount receive from equity issuances. Percentage of amount receive from equity issuances SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Depreciation Expense Depreciation expense Asset Acquisition [Table] Number of shares issuable upon conversion of partnership units Number Of Shares Issuable Upon Conversion Of Partnership Units Number of shares issuable upon conversion of partnership units. Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block] Gains (losses) on exchange rate changes in equity investments recorded in other income (expense) Realized Gain (Loss), Foreign Currency Transaction, before Tax Two thousand thirty two private placement. Two Thousand Thirty Two Private Placement [Member] 2032 Private Placement Notes SmartCentres Joint Ventures SmartCentres Joint Ventures [Member] SmartCentres joint ventures. Change in cash, cash equivalents, and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Cad Forward Matured August Twenty Seven Two Thousand Twenty Five [Member] Cad forward matured august twenty seven two thousand twenty five. CAD Forward August 27, 2025 Distributions to noncontrolling interests in our Operating Partnership Noncontrolling Interest in Net Income (Loss) Operating Partnerships, Nonredeemable Subsequent Event Type Subsequent Event Type [Domain] Number of self storage facilities Number of self storage real estate joint ventures Number Of Self Storage Real Estate Joint Ventures Number of self storage real estate joint ventures. Interest Income, Operating Interest Income, Operating, Total Interest income Interest income Intangible Assets, Net (Including Goodwill) Intangible Assets, Net (Including Goodwill), Total Net intangible asset Equivalent Shares, excluded from computation of earnings per share as effect of antidilutive Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 2027 Ladera Ranch Loan Two Thousand Twenty Seven Ladera Ranch Loan [Member] Two thousand twenty seven ladera ranch loan. Oakville III BMO Loan. Oakville III BMO Loan Oakville I I I B M O Loan [Member] Equity based compensation expense APIC, Share-Based Payment Arrangement, Option, Increase for Cost Recognition Temporary Equity, Carrying Amount, Period Increase (Decrease), Total Changes to redeemable common stock Temporary Equity, Carrying Amount, Period Increase (Decrease) Series A Preferred Stocks [Member] Series A Preferred Stocks [Member] Series A Preferred Units Common Stock, Par or Stated Value Per Share Common Stock, Par or Stated Value Per Share Common Stock, par value USD United States of America, Dollars Debt Instrument Yield Percentage Debt instrument yield percentage. Debt instrument yield percentage Related party costs, Incurred Operating Costs and Expenses Operating Costs and Expenses, Total Number of Preferred Unit Purchased Number of preferred unit purchased. Number of preferred units purchased Organization And Nature Of Operations [Line Items] Organization And Nature Of Operations [Line Items] Organization and nature of operations. Real estate facilities, beginning balance Real estate facilities, ending balance Real Estate Investment Property At Cost Excluding Construction In Progress Real estate investment property at cost excluding construction in progress. Managed Platform [Member] Managed platform. Managed Platform Base Rate [Member] Line of credit facility increased amount based on conditions. Line Of Credit Facility Increased Amount Based On Conditions Increased amount Acquisition of noncontrolling interest related to the Tenant Programs joint ventures Noncontrolling Interest, Increase from Subsidiary Equity Issuance Issuance of OP Units in connection with SSGT II Merger Administrative service fees Administrative Fees Expense Stock Issued During Period Value Reverse Stock Splits Stock issued during period value reverse stock splits. Par value adjustment due to Reverse Stock Split Effective Date Of Foreign Currency Derivatives Effective date of foreign currency derivatives. Foreign Currency Forward, Effective Date or Date Assumed Business Combination, Separately Recognized Transaction, Acquisition-Related Cost, Expensed, Statement of Income or Comprehensive Income [Extensible Enumeration] Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest [Abstract] Offering price Offering Price Offering price JV Properties Corporate and Other Corporate Segment and Other Operating Segment [Member] SST VI Series C Units [Member] Sst VI series c units. SST VI Series C Units Metcalf St, Escondido Metcalf St, Escondido [Member] Metcalf St, Escondido. Total SmartStop Self Storage REIT, Inc. Equity Parent [Member] Document Financial Statement Error Correction [Flag] Document Financial Statement Error Correction [Flag] Asheville VIII Asheville Eight [Member] Asheville eight. Debt Instruments [Abstract] Asheville III Asheville Three [Member] Asheville three. Debt Disclosure [Abstract] Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Total Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Gain (Loss) Reclassified from OCI Interest Rate Swaps, Strike Derivative Strike Rate Derivative strike rate. Interest rate swaps, strike Canada Revenue Agency [Member] Canada Revenue Agency Maximum Value of Shares Offered in the Private Placement for Beneficial Interests Maximum value of shares offered in the private placement for beneficial interests. Maximum value of shares offering in private placement for beneficial interest Derivative [Table] Derivative [Table] Line items represent income taxes. Income Tax [Line Items] Employee Benefit Plan Postemployment Benefit Plans, Policy [Policy Text Block] State and Local Income Tax Expense (Benefit), Continuing Operations State income tax expense (benefit) Brampton, Ontario. Brampton Ontario [Member] Brampton, Ontario Summary of Derivative Financial Instruments Schedule of Derivative Instruments [Table Text Block] Asset Management [Member] Asset Management Strategic Storage Growth Trust II Tenant Program Revenue Strategic Storage Growth Trust I I Tenant Program Revenue [Member] Strategic Storage Growth Trust II Tenant Program Revenue Member. Distribution Reinvestment Plan Distribution Reinvestment Plan [Member] Distribution reinvestment plan. Foreign Currency Derivatives Notional Amount Foreign currency derivatives notional amount. Foreign Currency Forward, Notional Amount Real estate facilities SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward] Derivative, notional amount Derivative, Notional Amount Interest rate cap, amount KeyBank Property Loan Key Bank Property Loan [Member] KeyBank Property Loan. Stock Issued During Period, Value, Restricted Stock Award, Gross Issuance of restricted stock, net of forfeitures Investments in Unconsolidated Real Estate Ventures tabe Investments In Unconsolidated Real Estate Ventures [Table] Investments In Unconsolidated Real Estate Ventures [Table] Payments for Legal Settlements Payments for legal settlements Bloomingdale Bloomingdale [Member] Bloomingdale [Member] Ownership Ownership [Domain] Current Fiscal Year End Date Current Fiscal Year End Date Common Class Y and Z shares Common Class Y and Z shares [Member] Common Class Y and Z shares. Debt Instrument [Table] Schedule of Long-Term Debt Instruments [Table] Redemptions of noncontrolling interests in our OP Payments to Noncontrolling Interests Earnest Money Deposits Forfeit earnest money Ohio OHIO Performance Based Awards Performance Based Awards [Member] Performance based awards. Investment operating partnership Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Investments in and advances to Managed REITs Total investments in and advances to Other Cost and Expense, Operating Total other operating expenses La Verne La Verne [Member] La Verne [Member] California CALIFORNIA Advertising Costs Advertising Cost [Policy Text Block] Fair Value By Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Entity Address, State or Province Entity Address, State or Province Intangible Assets Valuation Intangible Assets Valuation [Policy Text Block] Intangible assets valuation. Unvested Shares, Beginning balance Unvested Shares, Ending Balance Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Principal borrowing amount, currently available Line of Credit Facility, Remaining Borrowing Capacity Additional borrowed amount Series A Preferred Units [Member] Series A Preferred Units [Member] Series A Preferred Units Kelowna [Member] Kelowna [Member] Kelowna SAM and Affiliates S A M And Affiliates [Member] SAM and affiliates. Investment, Name [Domain] Summary of Purchase Price Allocation for Acquisitions Business Combination [Table Text Block] Asset Acquisition [Domain] SSGT III Blue Door III Bridge Loan [member] SSGT III blue door III bridge loan. SSGT III-Blue Door III Bridge Loan Preferred Stock, Shares Outstanding, Ending Balance Preferred Stock, Shares Outstanding, Beginning Balance Preferred shares outstanding Preferred Stock, Shares Outstanding Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income (loss) attributable to SmartStop Self Storage REIT, Inc. stockholders Asheville II Asheville Two [Member] Asheville two. Number of real estate ventures. Number Of Real Estate Ventures Number of unconsolidated real estate ventures Number of self storage units Number Of Self Storage Units Number of self storage units. Geographical Geographical [Axis] Line of Credit Facility, Lender Line of Credit Facility, Lender [Domain] Business Combination, Transaction Cost, Excluding Separately Recognized Transaction Acquisition Cost Payments Represents Full Settlement Payments represents full settlement. Payments represents full settlement Secured debt ratio Secured Debt Ratio Secured debt ratio. Preferred stock redemption premium Preferred Stock Redemption Premium Clifton [Member] Clifton [Member] Clifton Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance Stockholders' Equity Attributable to Noncontrolling Interest, Beginning Balance Total noncontrolling interests Equity, Attributable to Noncontrolling Interest Meridian Ave, Puyallup Meridian Ave, Puyallup [Member] Meridian Ave, Puyallup. SOFR Loans and CORRA Loans SOFR Loans and CORRA Loans [Member] SOFR Loans and CORRA Loans. Texas Ave, College Station Texas Ave, College Station [Member] Texas Ave, College station. Strategic Storage Growth Trust III Acquisition Fees Revenue[Member] Strategic Storage Growth Trust III Acquisition Fees Revenue[Member] Strategic Storage Growth Trust III Acquisition Fees Revenue Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount State and local income tax expense, net of federal benefit Partners' Capital Account, Acquisitions Issuance of Operating Partnership units in connection with the Third Party Platform Acquisition Administrative Services Agreement Administrative Services Agreement [Member] Administrative Services Agreement. Net Income Loss Attributable to the Non Controlling Interests in Our Operating Partnership Net income (loss) attributable to the non controlling interests in our operating partnership. Net income (loss) attributable to the noncontrolling interests in our Operating Partnership Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of Deferred Tax Assets and Liabilities Discount on secured debt, net Debt Instrument, Unamortized Discount (Premium), Net, Total Debt Instrument, Unamortized Discount (Premium), Net Share based compensation arrangement by share based payment award voting rights Share Based Compensation Arrangement By Share Based Payment Award Voting Rights Share based compensation arrangement by share based payment award voting rights. Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Deferred tax assets Deferred Income Tax Assets, Net Business Acquisition Occupancy Percentage Business Acquisition Occupancy Percentage Occupancy Upon Acquisition Subsequent Event Subsequent Event [Member] Business Combination Consideration Transferred Liabilities Contingent Earnout Contingent earnout Business combination consideration transferred liabilities contingent earnout. San Antonio I San Antonio One [Member] San Antonio One. Property Eight Property Eight [Member] Property eight. Payments for Repurchase of Redeemable Convertible Preferred Stock Redemption of Series A Convertible Preferred Stock Gilbert Gilbert [Member] Gilbert. Base Rate Loans Base Rate Loans [Member] Base Rate Loans. Issuance of Noncontrolling Interest in SST VI Advisor Issuance of noncontrolling interest in SST VI advisor. Issuance of noncontrolling interest in SST VI Advisor 34th St N, St. Petersburg [Member] 34th St N, St. Petersburg. 34th St N, St. Petersburg Antidilutive Securities [Axis] Washington WASHINGTON Vesting percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Maryland MARYLAND Income Tax Paid, Foreign, after Refund Received Income Tax Paid, Foreign, after Refund Received, Total Foreign tax payments Goodlette Rd, Naples Goodlette Rd, Naples [Member] Goodlette Rd, Naples. Aurora V [Member] Aurora V. Aurora V Loss Contingency Other Non-Cancellable Future Payments Due in Year Two Loss contingency other non-cancellable future payments due in year two. Loss contingency other non-cancellable future payment due year two Discount on secured debt Debt Instrument, Unamortized Discount Debt Instrument, Unamortized Discount, Total Related Party Transaction Related Party Transaction [Axis] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Finite-Lived Intangible Assets, Major Class Name Finite-Lived Intangible Assets, Major Class Name [Domain] Cash Cash [Member] Summary of Related Party Fees and Reimbursable Costs Schedule Of Related Party Fees And Reimbursable Costs Table [Text Block] Schedule of related party fees and reimbursable costs. Business Combination, Consideration Transferred Consideration transferred Total Consideration Transferred Edmonton Alberta [Member] Edmonton, Alberta. Edmonton, Alberta Real Estate Facilities Real Estate Disclosure [Text Block] Washington, DC Washington, DC [Member] Washington, DC. Intangibles Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived Reimbursable Costs From Managed Platform [Member] Reimbursable costs from managed platform. Reimbursable costs from Managed Platform Class A and T Common Stock [Member] Class A and T Common Stock [Member] Class A and T Common Stock Intangible asset - customer contracts and related relationships Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill, Total Debt defeasance costs Payment for Debt Extinguishment or Debt Prepayment Cost Asset Acquisition, Consideration Transferred, Contingent Consideration Potential earnout based on revenues Debt instrument, maturity date Debt Instrument, Maturity Date Senior notes maturity date Monthly asset management fee Advisory Agreement Asset Management Fee Percentage Advisory Agreement Asset Management Fee Percentage Minimum Minimum [Member] Minimum [Member] Unvested Weighted-Average Grant-Date Fair Value, Granted Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Financial Instrument [Axis] Russell Blvd, Las Vegas II Russell Blvd Las Vegas Two [Member] Russell Blvd, Las Vegas II. Derivative Asset, Fair Value, Gross Asset, Total Derivative fair value, assets Derivative Asset, Subject to Master Netting Arrangement, before Offset Two Thousand and Twenty Seven NBC Loan [Member] Two thousand and twenty seven NBC loan. 2027 NBC Loan Number of trademarks acquired Number Of Trademarks Acquired Number of trademarks acquired. Summary of Investments in Unconsolidated Real Estate Ventures Equity Method Investments [Table Text Block] Mount Pleasant Mount Pleasant [Member] Mount Pleasant. Selected Quarterly Data (Unaudited) Quarterly Financial Information [Text Block] Amortization of Intangible Assets, Total Intangible amortization expense Amortization of Intangible Assets Unsecured interest coverage ratio Unsecured Interest Coverage Ratio Unsecured interest coverage ratio. Redemption of common stock Redemption Of Common Stock Redemption of common stock. Significant unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Series A Convertible Preferred Stock Series A Convertible Preferred Stock [Member] Series A convertible preferred stock. Net assets acquired Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill, Less Noncontrolling Interest Doral Doral [Member] Doral. Segment Reporting [Abstract] Business Combination, Recognized Asset Acquired, Asset Total identifiable assets acquired Schedule of Assets and Liabilities Measured at Fair Value Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Purchase Price Allocation for the Acquisition of a Business Business Combination [Policy Text Block] Tax Period [Domain] Physical occupancy percentage Physical occupancy percentage. Construction in process Construction in process, Balance at beginning of year Construction in process, Balance at end of year Development in Process SST VI [Member] SST VI [Member] SST VI Former Credit Facility Former Credit Facility [Member] Former credit facility. Everett Everett [Member] Everett [Member] Issuance of limited partnership units in operating partnership in connection with contingent earnout related to self administration transaction. Issuance Of Limited Partnership Units In Operating Partnership In Connection With Contingent Earnout Related To Self Administration Transaction Issuance of Class A-1 Units in our Operating Partnership in connection with the contingent earnout related to the Self Administration Transaction Third Party Platform Acquisition, net of cash acquired Third Party Platform Acquisition Net Of Cash Acquired Third Party Platform Acquisition Net Of Cash Acquired Preferred stock payment description Preferred Stock, Dividend Payment Terms Related Party Transactions [Abstract] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Ending Balance SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Beginning Balance Accumulated Depreciation SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation Accumulated Depreciation Carrying Value Accumulated Depreciation Property Operating Expenses Property Operating Expenses [Member] Property operating expenses. Initial Investment Initial investment. Initial investment Premium amount over liquidation amount on redemption, percent Redemption Price Percentage Of Premium Amount Redeemed Redemption price percentage of premium amount redeemed Beginning Balance (in shares) Ending Balance (in shares) Shares, Outstanding Hedge Cash Settlement Matures On May Twenty Seven Two Thousand Twenty Six Hedge Cash Settlement Matures on May Twenty Seven Two Thousand Twenty Six [Member] Hedge cash settlement matures on may twenty seven two thousand twenty six [Member] Westheimer Pkwy, Katy Westheimer Pkwy, Katy [Member] Westheimer Pkwy, Katy. Debt issuance cost, gross Debt Issuance Cost, Gross, Noncurrent Accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities [Member] Debt, net Debt and Lease Obligation Total debt Commitments and Contingencies Commitments and contingencies (Note 14) Other Canadian Provincial [Member] Other canadian provincial. Other Canadian provincial Acquisition costs related to the Third Party Platform Business Combination, Separately Recognized Transaction, Acquisition-Related Cost, Incurred Canadian entities. Canadian Entities [Member] Canadian Entities Unvested Weighted-Average Grant-Date Fair Value, Beginning balance Unvested Weighted-Average Grant-Date Fair Value, Ending balance Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Deaverview Rd, Asheville Deaverview Rd Asheville [Member] Deaverview Rd Asheville. Tenant protection program member. Tenant Protection Program [Member] Tenant Protection Program Credit facility recourse minimum amount of payment default under any non-recourse debt Credit Facility Recourse Minimum Amount Of Payment Default By Borrower Or Subsidiaries Under Any Non-recourse Debt Credit facility recourse minimum amount of payment default by borrower or subsidiaries under any non-recourse debt. General and Administrative Expense General and Administrative Expense [Member] Auditor Firm ID O 2024 Q3 Dividends [Member] O 2024 q3 dividends. JV Properties Property Management Agreement JV Properties Property Management Agreement [Member] JV properties property management agreement member. Debt instrument, variable interest rate Debt Instrument, Basis Spread on Variable Rate Spread on Variable Rate Preferred stock, dividend rate, percentage Preferred Stock, Dividend Rate, Percentage Forecast [Member] Forecast Proceeds from Issuance of Unsecured Debt Gross proceeds - issuance of Canadian Notes Strategic Storage Trust X Advisory Agreement [Member] Strategic storage trust X advisory agreement. Strategic Storage Trust X Advisory Agreement Segment Reporting, Asset Reconciling Item [Line Items] Segment Reporting Asset Reconciling Item [Line Items] Site improvements Land Improvements Asset Acquisition Consideration Transferred Transaction Units Asset acquisition consideration transferred transaction units. Consideration in units Concentration Risk Benchmark Concentration Risk Benchmark [Axis] Long-Term Debt, Maturity, Year Two 2027 Variable Interest Entity, Primary Beneficiary [Member] Pacific Oak Holding Group Derivative, Cash Received on Hedge Termination amount for canadian Notes issuance SSGT Mergers S S G T Mergers [Member] SSGT Mergers. Operating Expense Operating Expense [Member] Line of credit facility, term of extension options Line Of Credit Facility Extension Period Line of credit facility extension period. Impact of foreign exchange rate changes and other Impact of foreign exchange rate changes and other Real Estate Facilities Foreign Exchange Gain Loss Impact and Other Real Estate Facilities Foreign Exchange Gain Loss Impact and Other Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Change in valuation allowance, Percent SST VI Note SST VI Note [Member] SST VI Note. Related party transaction percentage of sales price of asset on disposition. Related Party Transaction Percentage of Sales Price of Asset on Disposition Rate of disposition fee of contract sales price Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net (loss) income Net (loss) income Net income (loss) Investments in and advances to affiliates. Investments In And Advances To Affiliates Receivables SmartCentres Storage Finance LP. Smart Centres Storage Finance L P [Member] SmartCentres Storage Finance LP 2024 NBC Loan Two Thousand Twenty Four NBC Loan [Member] 2024 NBC Loan [Member] Debt Instrument, Maturity Date Range, Start Maturity Date Range, Start Cash and cash equivalents Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent Fractional share redemption (in shares) Fractional Share Redemption Fractional share redemption. Summary of Total Assets by Segment Reconciliation of Assets from Segment to Consolidated [Table Text Block] Real Estate Facilities Real Estate, Policy [Policy Text Block] Reimbursement Days After Termination Reimbursement days after termination. Reimbursement days after termination Long-term Debt, Type Long-Term Debt, Type [Domain] Deposits of units Deposit, Derivative Cybersecurity Risk Management Positions or Committees Responsible [Text Block] Weighted Average Number of Shares Outstanding, Basic, Total Weighted Average Number of Shares Outstanding, Basic Weighted average number of shares outstanding - basic Weighted average common shares outstanding - basic Strategic Transfer Agent Services, LLC Strategic Transfer Agent Services Llc [Member] Strategic Transfer Agent Services, LLC . Cary Cary North Carolina [Member] Cary North Carolina [Member] Shenandoah Houston [Member] Shenandoah, Houston Shenandoah, Houston St. johns commons rd st. johns. St. Johns Commons Rd St. Johns [Member] St. Johns Commons Rd, St. Johns Scenario [Axis] Share Redemption Program Share Redemption Program [Member] Share redemption program. Term loan Term Loan Term loan Document Information [Line Items] Document Information [Line Items] Xenia Xenia [Member] Xenia. Foreign Currency Hedges Foreign Currency Hedges [Member] Foreign currency hedges. Segment Reporting, Expense Information Used by CODM, Description Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Income Tax Expense (Benefit) Reconciled to the Hypothetical Amounts Computed at the U.S. Federal Statutory Income Tax Rate Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Aurora IV. Aurora IV [Member] Aurora IV Segments Segments [Axis] Long-Lived Tangible Asset Long-Lived Tangible Asset [Domain] Accumulated amortization of debt issuance costs Accumulated Amortization Of Debt Issuance Costs Accumulated amortization of debt issuance costs. Advisor, SS Toronto REIT Advisors, Inc., and SS Growth Advisor, LLC. Advisor S S Toronto R E I T Advisors Inc And S S Growth Advisor L L C [Member] Advisor, SS Toronto REIT Advisors, Inc.,And SS Growth Advisor, LLC. Investment In Storage Facilities Policy [Text Block] Investment In Storage Facilities [Policy Text Block] Purchase Price Allocation and Treatment of Acquisition Costs Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block] Ladera Office Loan Ladera Office Loan [Member] Ladera office loan. Subsequent Events Subsequent Events [Text Block] Consideration in cash Asset Acquisition, Consideration Transferred, Transaction Cost Asset acquisition-related transaction costs Disposition due to deconsolidation SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Investment in Real Estate Sold Disposition of real estate Related Party Transactions Related Party Transactions Disclosure [Text Block] State Rd 54, Lutz [Member] State Rd 54, Lutz. State Rd 54, Lutz Redeemable Common Stock Redeemable Common Stock Policy Policy [Text Block] Redeemable Common Stock Policy [Policy Text Block] 4.53% Senior Notes [Member] 4.53% Senior Notes. Four Point Five Three Percentage Senior Notes[Member] Variable interest entity nonvoting ownership percentage Variable Interest Entity Nonvoting Ownership Percentage Variable interest entity non-voting ownership percentage Indiana INDIANA Variable Rate Variable Rate [Domain] Vesting period Percentage of established target performance criteria Percentage Of Established Target Performance Criteria Percentage of established target performance criteria. Derivative Lock Rate Derivative lock rate Derivative lock rate Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent Non-taxable REIT (income) loss Non-taxable REIT (income) loss, Percent Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Change in valuation allowance Stockholders' Equity Attributable to Parent, Ending Balance Stockholders' Equity Attributable to Parent, Beginning Balance Total SmartStop Self Storage REIT, Inc. equity Equity, Attributable to Parent Dividends [Abstract] Preferred stock, authorized, par value Preferred Stock, Par or Stated Value Per Share Kelowna Canadian Property Loan [Member] Kelowna canadian property loan member. Kelowna Canadian Property Loan San Jose [Member] San Jose. San Jose Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Statement of Stockholders' Equity [Abstract] Real Estate Tax Expense Property taxes Additional net real estate related assets recorded Real estate facilities, net Real estate facilities, net Real Estate Investments, Net Finch Ontario [Member] Finch ontario. Finch Ontario Related Party Transaction Cash Settled Related party transaction cash settled. Related party costs, Settled Carrying Value of Investment Equity Method Investments Debt issuance costs, net of accumulated amortization Debt Issuance Costs Net Of Accumulated Amortization Debt issuance costs net of accumulated amortization. Stoney Creek I Stoney Creek One [Member] Stoney Creek I. Real estate basis differences Deferred Tax Assets, Real Estate Basis Differences Deferred tax assets, real estate basis differences. Romeoville Romeoville [Member] Romeoville. Use of Estimates Use of Estimates, Policy [Policy Text Block] Payments to Acquire Real Estate, Total Purchase of real estate Payments to Acquire Real Estate Murfreesboro, Tennessee [Member] Murfreesboro, Tennessee. Murfreesboro Tennessee [Member] Murfreesboro Schedule of Un-Vested Share Activity Schedule of Nonvested Share Activity [Table Text Block] Long-Term Debt, Maturity, Year Five 2030 Debt Instrument Monthly Payment Amortization Period Debt instrument monthly payment amortization period. Amortization period Dupont and Aurora joint venture properties. Dupont and Aurora Joint Venture Properties [Member] Dupont And Aurora Joint Venture Properties Over-Allotment Option [Member] Over-Allotment Option [Member] Raleigh Raleigh North Carolina [Member] Raleigh North Carolina [Member] Real Estate Accumulated Depreciation Casualty Loss Real estate accumulated depreciation casualty loss. Casualty loss Proceeds from Previous Acquisition Sale of property price Issuance Of Operating Partnership Units Connection With Third Party Platform Acquisition Issuance Of Operating Partnership Units Connection With Third Party Platform Acquisition Issuance of Operating Partnership units in connection with the Third Party Platform Acquisition Earliest Tax Year [Member] Earliest Tax Year Lancaster Lancaster [Member] Lancaster [Member] UNITED STATES United States Nantucket II [Member] Nantucket II Nantucket II. Noncontrolling Interests Noncontrolling Interest [Member] Change in deferred tax assets and liabilities Change in deferred tax assets liabilities Change In Deferred Tax Assets And Liabilities Change in deferred tax assets and liabilities. Date of formation of company Entity Incorporation, Date of Incorporation Debt Instrument Face Amount Initially Drawn Debt instrument face amount initially drawn. Initially drawn amount Debt Instrument, Name Debt Instrument, Name [Domain] SST IV CMBS Loan S S T I V C M B S Loan [Member] Sst IV cmbs loan. Delray Delray [Member] Delray. Parcel of Land Parcel of Land [Member] Parcel of land. Distributions Per Share Distributions Per Share Distributions Per Share Equity in loss of unconsolidated joint ventures Income (Loss) from Equity Method Investments Income (Loss) from Equity Method Investments, Total Equity in loss of unconsolidated entities Equity in losses from investments Queenston Blvd, Houston Queenston Blvd, Houston [Member] Queenston Blvd, Houston. Long-Term Debt, Maturity, Year Four 2029 Pro Forma Financial Information [Text Block] Pro Forma Financial Information [Text Block] Pro Forma Financial Information Acquisition Date Business Combination, Effective Date of Acquisition Las Vegas III Las Vegas Three [Member] Las Vegas Three Income Tax Paid, Foreign, after Refund Received [Abstract] Canada: Sponsorship Funding Payments Balance Sponsorship funding payments balance. Balance at Beginning Balance at Ending Derivative Instruments and Hedging Activities Disclosure [Abstract] Monthly asset management fee one twelfth of less than one percentage of average invested assets Monthly Assets Management Fees One Twelfth Of Less Than One Percentage Of Assets Value Exceed Specific Value Monthly assets management fees one twelfth of less than one percentage of assets value exceed specific value. Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] After Fifth Anniversary Preferred Stock Redemption Period Thereafter [Member] Preferred stock redemption period thereafter. Insurance Settlement [Member] Insurance Settlement Plan Name [Domain] Plan Name 2028 Canadian Term Loan Two Thousand Twenty Eight Canadian Term Loan [Member] Two thousand twenty eight canadian term loan. Increase (Decrease) in Other Operating Assets, Total Other assets, net Increase (Decrease) in Other Operating Assets Cochrane Alberta [Member] Cochrane, Alberta Cochrane, Alberta Interest Expense, Total Interest expense Interest Expense, Operating and Nonoperating Ladera Ranch Ladera Ranch [Member] Ladera Ranch. Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Hendersonville I Hendersonville One [Member] Hendersonville one. Buildings Building [Member] Stoney Creek Loan Stoney Creek Loan [Member] Stoney Creek loan. Credit Facility Credit Facility [Axis] Equity method investment, ownership percentage Equity Method Investment, Ownership Percentage Algonquin rd algonquin. Algonquin Rd Algonquin [Member] Algonquin Rd, Algonquin Operating expenses Cost of Product and Service Sold Operating expenses Port St. Lucie Port St Lucie [Member] Port St. Lucie. Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block] Property Three Property Three [Member] Property three. Impairment, Long-Lived Asset, Held-for-Use, Total Impairment losses of real property assets recognized Impairment, Long-Lived Asset, Held-for-Use Preferred stock purchase consideration Preferred Stock Purchase Consideration Preferred stock purchase consideration. Current State and Local Tax Expense (Benefit) Current State income tax expense (benefit) Hillside [Member] Hillside [Member] Hillside Monterey Park Monterey Park [Member] Monterey Park [Member] Cybersecurity Risk Management Expertise of Management Responsible [Text Block] Reverse Equity Splits Policy [Policy Text Block] Disclosure of reverse equity splits. Reverse Equity Splits Washington Court House Washington Court House [Member] Washington Court House. Mavis Mavis [Member] Mavis. Tax Period [Axis] Derivative Expense After Termination Derivative expense after termination. Derivative expense after termination Cad Forward Matured April Eleven Two Thousand Twenty Five [Member] Cad forward matured april eleven two thousand twenty five. CAD Forward April 11, 2025 Restricted Stock, Shares Issued Net of Shares for Tax Withholdings Tax withholding (net settlement) related to vesting of restricted stock, (in Shares) Stockton Stockton [Member] Stockton. Alameda Pkwy, Lakewood Alameda Pkwy, Lakewood [Member] Alameda Pkwy, Lakewood. Business Combination, Recognized Liability Assumed, Liability [Abstract] Identifiable Liabilities Assumed at Fair Value Percentage of reduced recourse to loan balance Percentage of reduced recourse to loan balance. Related Party Related and Nonrelated Parties [Axis] Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Other Percentage of Fees Re Allowed Percentage of fees re-allowed. Percentage of fees re-allowed Hendersonville II Hendersonville Two [Member] Hendersonville two. Entity Address, City or Town Entity Address, City or Town Managed REIT Platform Managed R E I T Platform [Member] Managed REIT Platform. Business Combination, Contingent Consideration, Liability Business Combination, Contingent Consideration, Liability, Total Earnout consideration Redeemable Common Stock Redeemable Common Stock [Member] Redeemable common stock. Number of Reportable Segments Number of reportable business segments Amount of Receivable Sale of Stock Amount of receivable sale of stock. Amount of Receivable Sale of Stock Percentage of joint venture property owned Percentage Of Joint Venture Property Owned Percentage of joint venture property owned Security Exchange Name Kelowna Property Loan [Member] Kelowna property loan. Kelowna Property Loan Credit Facility Credit Facility [Domain] Minimum percentage of ordinary taxable income to be distributed to stockholders Minimum Percentage Of Ordinary Taxable Income To Be Distributed To Stockholders Minimum Percentage Of Ordinary Taxable Income To Be Distributed To Stockholders RBC JV Term Loan II [Member] RBC JV Term loan II. RBC JV Term Loan II Asheville V Asheville Five [Member] Asheville five. Aggregate borrowings Total payments Debt Instrument Carrying Amount Long-Term Debt, Gross Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Other, Percent IncreaseDecreaseInManagedRealEstateInvestmentTrustsReceivablesAndOther Increase decrease in managed real estate investment trusts receivables and other. Managed REITs receivables and other Lakewood Colorado [Member] Lakewood Colorado. Lakewood II Percentage Of Asset Acquisition Non Taxable Transaction In Operating Partnership Units Percentage of asset acquisition non taxable transaction in operating partnership units. Ownership percentage Weighted average interest rate on debt Debt, Weighted Average Interest Rate Preferred stock, investors rights agreement Preferred Stock, Participation Rights Aggregate cost of real estate for federal income tax purposes SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Federal Income Tax Basis Canadian CitiBank Loan Candian Citi Bank Loan [Member] Candian CitiBank Loan. Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Settlement of foreign currency hedges designated for hedge accounting Payments For Proceeds From Foreign Currency Hedges Accounting Payments For Proceeds From Foreign Currency Hedges Accounting Hillside New Jersey [Member] Hillside New Jersey [Member] Hillside New Jersey [Member] Hillside Pembroke Pines Pembroke Pines [Member] Pembroke Pines. Hwy 290, Cypress Hwy 290, Cypress [Member] Hwy 290, Cypress. Concentration Risk Type Concentration Risk Type [Domain] Non-recourse debt Credit Facility Non-recourse Debt Credit facility non-recourse debt. Debt instrument, description of variable rate basis, extended Debt Instrument, Description of Variable Rate Basis, Extended Debt instrument, description of variable rate basis, extended. Initial Investment in Shares Initial investment in shares. Initial investment number of shares Proceeds from Equity Method Investment, Distribution, Return of Capital Capital distributions from unconsolidated real estate ventures Real Estate [Abstract] Antidilutive Securities, Name [Domain] Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Foreign income taxed at different rates, Percent Gain Contingencies, Nature [Axis] Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Gain (Loss) Recognized in OCI Loss Contingency, Loss in Period Executive Officers Executive Officer [Member] Percentage of offering cost without reimbursement Percentage Redemption Price Redemption price (Percentage of redemption amount). Oakville III Property Oakville I I I Property [Member] Oakville III Property. Cash paid for interest, net of capitalized interest Interest Paid, Excluding Capitalized Interest, Operating Activity Statistical Measurement Statistical Measurement [Domain] SSGT III Mezzanine Loan[Member] SSGT III Mezzanine Loan[Member] SSGT III Mezzanine Loan Durango Dr, Las Vegas Durango Dr, Las Vegas [Member] Durango Dr, Las Vegas. Repurchase of Noncontrolling Interest in our Operating Partnership Repurchase of noncontrolling interest in our operating partnership. Repurchase of noncontrolling interest in our Operating Partnership 93rd ave SW olympia. 93rd Ave SW Olympia [Member] 93rd Ave SW, Olympia Share based compensation expense Share-Based Payment Arrangement, Expense Stock compensation expense David Mueller David Mueller [Member] David Mueller. Warren II Warren Two [Member] Warren II. S S G T I I Merger [Member] S S G T I I Merger [Member] SSGT II Merger Strategic storage trust VI acquisition fees revenue member. Strategic Storage Trust VI Acquisition Fees Revenue [Member] Strategic Storage Trust VI Acquisition Fees Revenue Derivative Payments After Termination Derivative payments after termination. Derivative payments after termination Class A and Class A-1 OP Units Class A and Class A-1 OP Units [Member] Class a and Class a-1 op units. Document Period End Date Document Period End Date Class A and Class T Common Stock Common Class A And Class T [Member] Common class A and class T. Settlement of assumed legal liability by seller of Argus Settlement of assumed legal liability by seller of Argus Settlement Of Assumed Legal Liability Settlement Of Assumed Legal Liability Equity Method Investments and Joint Ventures [Abstract] SST IV Merger S S T I V Merger [Member] SST IV merger. Title of Individual Title and Position [Axis] Fair Value Hierarchy and NAV [Domain] 2025 KeyBank Acquisition Facility Two Thousand Twenty Five Key Bank Acquisition Facility [Member] Two thousand twenty five key bank acquisition facility. ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Red Deer Alberta [Member] Red Deer, Alberta. Red Deer, Alberta Former Credit Facility Revolver Former Credit Facility Revolver [Member] Former credit facility revolver. Initial Cost to Company, Total Real Estate And Accumulated Depreciation Initial Cost Of Land And Buildings And Improvements Real estate and accumulated depreciation initial cost of land and buildings and improvements. Debt instrument, fee percentage Line of Credit Facility, Commitment Fee Percentage Redemptions of common stock Redemptions of common stock, value Stock Redeemed or Called During Period, Value Property Two Property Two [Member] Property Two [Member] Capital distributions from Managed REITs Capital Distributions From Managed Real Estate Investment Trusts Capital distributions from managed real estate investment trusts. Net rentable area, primarily self storage space Net Rentable Area Strategic Storage Trust VI Tenant Protection Program Revenue Strategic Storage Trust VI Tenant Protection Program Revenue Member Strategic Storage Trust VI tenant protection program revenue. One time fee for former external property managers One time fee for former external property managers Property Management Fee Revenue Azusa Azusa [Member] Azusa. Repairs & Maintenance Cost of Property Repairs and Maintenance Weighted-average amortization period on remaining intangible assets Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life Debt instrument, description of variable rate basis Debt Instrument, Description of Variable Rate Basis NE 12th Ave Homestead [Member] NE 12th ave homestead. NE 12th Ave, Homestead Statement of Financial Position [Abstract] Net income attributable to other noncontrolling interests Noncontrolling Interest in Net Income (Loss) Other Noncontrolling Interests, Redeemable Identifiable Assets Acquired at Fair Value Business Combination, Recognized Asset Acquired, Asset [Abstract] Number of days after lifting of preferred stock to common stock Number Of Days After Lifting Of Preferred Stock To Common Stock Number of days after lifting of preferred stock to common stock. Antidilutive Security, Excluded EPS Calculation [Table] San Antonio II San Antonio Two [Member] San Antonio Two. Class of Stock Class of Stock [Axis] SST VI preferred equity investment Preferred Equity Investment Preferred equity investment. Preferred investment Preferred investment Net deferred tax liability Deferred Tax Liabilities, Net Net deferred tax liabilities Net deferred tax liabilities Proceeds from Maturities, Prepayments and Calls of Other Investments Redemption of other investments Myrtle Beach II Myrtle Beach South Carolina Two [Member] Myrtle Beach South Carolina Two [Member] Other Assets, Fair Value Disclosure Other assets Virginia VIRGINIA Argus Professional Storage Management LLC [Member] Argus professional storage management llc. Argus Professional Storage Management LLC Operating Partnership to Total Return Operating partnership to total return. Operating partnership to total return Debt Instrument, Unused Borrowing Capacity, Amount Borrowing capacity Current Income Tax Expense (Benefit), Total Current income tax expense Current Income Tax Expense (Benefit) Current income tax expense (benefit) Termination of the distribution support agreement Termination Of Distribution Support Agreement Termination of distribution support agreement Cybersecurity Risk Management, Strategy, and Governance [Line Items] Warren I Warren One [Member] Warren I. Series D Cumulative Redeemable Preferred Unit [Member] Series D cumulative redeemable preferred unit member. Series D Cumulative Redeemable Preferred Unit Airport Rd, Colorado Springs Airport Rd Colorado Springs [Member] Airport Rd Colorado Springs. Total estimated future amortization expense of intangible assets, thereafter Finite Lived Intangible Assets Amortization Expense After Year Four Finite lived intangible assets amortization expense after year four. Fair Values Derivatives Balance Sheet Location By Derivative Contract Type By Hedging Designation [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Total liabilities Liabilities Percentage of outstanding principal amount between third and fourth anniversaries Percentage Of Outstanding Principal Amount Between Third And Fourth Anniversary Percentage of outstanding principal amount between third and fourth anniversary. Financial Instruments [Domain] Fifth To Tenth Anniversary Preferred Stock Redemption Period Five To Ten [Member] Preferred stock redemption period five to ten. SSGT III Bridge Loan SSGT III Bridge Loan [Member] SSGT III bridge loan. Foreign Income Tax Expense (Benefit), Continuing Operations Canadian income tax expense (benefit) Equity Investments Equity Method Investments [Policy Text Block] Maturity of Foreign Currency Derivatives Foreign Currency Forward, Maturity Date Foreign currency forward, maturity date All Currencies All Currencies [Domain] Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Foreign income taxed at different rates Real Estate Properties Real Estate Properties [Domain] Restricted Cash, Total Restricted cash Restricted Cash Advertising costs Advertising Expense Advertising Unvested restricted stock awards Restricted Stock Restricted Stock [Member] Foreign Exchange Forwards Foreign Exchange Forward [Member] Foreign Currency Forward Variable Rate Variable Rate [Axis] Granite Granite [Member] Granite. Industrial, Jensen Beach Industrial, Jensen Beach [Member] Industrial, Jensen beach. Finite-Lived Intangible Assets, Gross, Total Gross amounts of lease intangibles Finite-Lived Intangible Assets, Gross Illinois ILLINOIS Hedge Cash Settlement Matures on February Twenty Seven Two Thousand Twenty Six [Member] Hedge cash settlement matures on february twenty seven two thousand twenty six. Hedge Cash Settlement Matures on February Twenty Seven Two Thousand Twenty Six Amount borrowed under the credit facility Line of Credit Facility, Maximum Amount Outstanding During Period Amount outstanding Weighted Average Number of Shares Outstanding, Diluted, Total Weighted Average Number of Shares Outstanding, Diluted Weighted average number of shares outstanding - diluted Weighted average common shares outstanding - diluted Entity File Number Entity File Number Payments of Ordinary Dividends, Common Stock Distributions paid - common stockholders Greenway Rd, Surprise [Member] Greenway Rd, Surprise. Greenway Rd, Surprise 2026 Credit Agreement [Member] 2026 Credit Agreement. 2026 Credit Agreement Asset Acquisition Consideration Transferred Transaction Value Asset acquisition consideration transferred transaction value. Transaction value University City Blvd, Charlotte I I [Member] University City Blvd, Charlotte I I. University City Blvd, Charlotte II Other Assets, Total Other assets, net Other Assets Limited partnership units Limited Partnership Units Limited Partnership Units Derivative Instruments, Gain (Loss) [Table Text Block] Summary of Effect of Derivative Financial Instruments on Consolidated Statements of Operations Cover Cover [Abstract] Commitments And Contingencies [Table] Commitments And Contingencies [Table] Commitments and Contingencies [Table] Non Rule 10b5-1Arr Modified [Flag] Non Rule 10b5-1Arr Modified [Flag] Non-Rule 10b5-1 Arrangement Modified Summary of Fixed Rate Notes Payable Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Unrealized foreign currency and derivative (gains) losses Unrealized Gain Loss On Foreign Currency And Derivatives Unrealized gain (loss) on foreign currency and derivatives. Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities SSGT III OP Units and SSGT III SLP [Member] SSGT III OP Units and SSGT III SLP. SSGT III OP Units and SSGT III SLP Derivative Instruments Prior Month's Settlement Derivative instruments prior month's settlement. Derivative instruments prior months settlement Unvested Shares, Forfeited Unvested Shares, Forfeited Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Federal Heights Federal Heights [Member] Federal Heights [Member] Noncontrolling Interest, Increase from Sale of Parent Equity Interest Issuance of noncontrolling interest in SST VI Advisor Minority investment additional funding OP Units [Member] OP units. OP Units Acquisition of real estate with loans payable Acquisition of Real Estate with Loans Payable Acquisition of real estate with loans payable. Derivative Instruments And Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Scenario [Domain] Forecast [Member] Acquisition expenses Acquisition Expenses Acquisition expenses. Sale of Stock Sale of Stock [Domain] Professional and Contract Services Expense Administrative and professional Professional and Contract Services Expense, Total Segment Disclosures Segment Reporting Disclosure [Text Block] Fractional share redemption Fractional Share Redemption Amount Fractional share rdemption amount. Cost of construction or capital improvement work Construction Management Fee Minimum Threshold Value Of Capital Improvement Work Construction management fee minimum threshold value of capital improvement work. General and Administrative Expense, Total General and administrative General and Administrative Expense Tax Jurisdiction of Domicile [Extensible Enumeration] Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net Cash flow hedges reclassified to increase interest expense WISCONSIN Wisconsin Adjustments to reconcile net income (loss) to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract] Corporate Office Corporate Office [Member] Corporate Office. Issuance of common stock in connection with SST IV Merger (in shares) Stock Issued During Period, Shares, Acquisitions Issuance of common stock in connection with the SSGT II Merger (in shares) Conversion price per share Preferred Stock, Convertible, Conversion Price Third Party Platform Third Party Platform [Member] Third party platform. Preferred Stock, liquidation preference, value Temporary Equity, Liquidation Preference Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments Gain (loss) on foreign currency hedge contract, ineffective portion Subsequent Event [Table] Subsequent Event [Table] Amount of accumulated and unpaid fees on undrawn commitment Amount From Accumulated And Unpaid Fees On Undrawn Commitment Amount from accumulated and unpaid fees on undrawn commitment. Crestwood Crestwood [Member] Crestwood [Member] Investment Income, Dividend Investment income Deferred Tax Assets, Other Other Ardrey Kell Rd, Charlotte Ardrey Kell Rd, Charlotte [Member] Ardrey Kell Rd, Charlotte. Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Iroquois Shore Rd, Oakville III Iroquois Shore Rd, Oakville I I I [Member] Iroquois Shore Rd, Oakville I I I. Credit facility agreement. Credit Facility Agreement [Member] Credit facility agreement Short-term Debt, Type Short-Term Debt, Type [Domain] Finite-Lived Intangible Assets, Net, Ending Balance Finite-Lived Intangible Assets, Net, Beginning Balance Finite-Lived Intangible Assets, Net, Total Intangible assets, net of accumulated amortization Finite-Lived Intangible Assets, Net Initial maximum amount available Line of Credit Facility, Interest Rate During Period East York, Ontario. East York Ontario [Member] East York, Ontario Rule 10b5-1 Arr Modified [Flag] Rule 10b5-1 Arr Modified [Flag] Rule 10b5-1 Arrangement Modified Number of Real Estate Properties Number of properties severely flooded Number of real estate properties SST VI Advisory Agreement S S T V I Advisory Agreement [Member] SST VI advisory agreement. Gain (Loss) on Extinguishment of Debt, Total Net loss on extinguishment of debt Loss on debt extinguishment Loss on debt extinguishment Loss on extinguishment of debt Initial Cost to Company, Buildings and Improvements SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent1 Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent1 Interest rate swap and cap contract gains (losses) Las Vegas I Las Vegas One [Member] Las Vegas One Debt Instrument, Interest Rate, Increase (Decrease) Increase in interest rate Standard Depreciable Life Property, Plant and Equipment, Useful Life Short-term Debt, Type Short-Term Debt, Type [Axis] Additions to real estate and construction in process Payments For Real Estate Additions And Construction In Process Payments for real estate additions and construction in process. Recently Adopted/Issued Accounting Guidance New Accounting Pronouncements, Policy [Policy Text Block] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Real Estate And Accumulated Depreciation By Property [Table] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, by Property [Table] Working capital adjustment payable Business Combination Consideration Transferred Working Capital Adjustment Business combination consideration transferred working capital adjustment. Gain (Loss) on Disposition of Assets Gain (Loss) on Disposition of Assets, Total Gain on disposition of real estate Regent Property1. Regent Property1 [Member] Regent Property Real estate other facility acquisitions. Real Estate Other Facility Acquisitions Other facility acquisitions Ownership Ownership [Axis] Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Vesting period Class T D and I OP units [Member] Class T D and I OP units. Class T D and I OP Units Daily Simple SOFR Daily Simple SOFR [Member] Daily Simple SOFR. Commitment fee percentage Commitment fee percentage Commitment fee percentage Business Combination, Recognized Liability Assumed, Liability Total liabilities assumed Morrisville Morrisville North Carolina [Member] Morrisville North Carolina [Member] Other Comprehensive Income Foreign Currency Hedge Contract Gains Losses Net Of Tax Other comprehensive income foreign currency hedge contract gains losses net of tax. Foreign currency hedge contract gains (losses) Foreign currency hedge contract (losses) gains Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Depreciation Depreciation, Total Depreciation Net proceeds from loan Proceeds from Issuance of Long-Term Debt Proceeds from Issuance of Long-Term Debt, Total Investment, Type [Extensible Enumeration] Investment, Type [Extensible Enumeration] Proceeds from (Repayments of) Debt Proceeds from (Repayments of) Debt, Total Net proceeds of repayment Unrecognized compensation expense related to non-vested equity awards Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Troy Troy [Member] Troy. Out-of-Period Adjustment Out Of Period Adjustment Policy Policy [Text Block] Out-of-period adjustment. Common Stock, Shares, Outstanding, Ending Balance Common Stock, Shares, Outstanding, Beginning Balance Common Stock, shares outstanding Common Stock, Shares, Outstanding Property Management Agreement Property Management Agreement [Member] Property Management Agreement. Self Storage Self Storage [Member] Self Storage. Self Storage Facility KeyBank CMBS Loan Keybank Cmbs Loan [Member] KeyBank CMBS Loan. Dividends [Domain] Cybersecurity Risk Management Processes Integrated [Flag] Document Transition Report Document Transition Report Description of distribution and allocation of profits and losses Share Based Compensation Arrangement By Share Based Payment Award Description Of Distribution And Allocation Of Profits And Losses Share based compensation arrangement by share based payment award description of distribution and allocation of profits and losses. LeverageRatio LeverageRatio Leverage Ratio Credit facility recourse minimum amount of payment default Credit Facility Recourse Minimum Amount Of Payment Default By Borrower Or Subsidiary Guarantor Credit facility recourse minimum amount of payment default by borrower or subsidiary guarantor. Conversion of Stock, Amount Issued Conversion of Class A and Class T Common Stock Construction management fee Construction Management Fee Percent On Cost Above Specific Limit Construction Management Fee Percent on Cost Above Specific Limit Required ancillary business revenue to total revenue Required Ancillary Business Revenue To Total Revenue Required ancillary business revenue to total revenue. Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Summary of the Company's Income Tax Expense (Benefit) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income (loss) Statement of Cash Flows [Abstract] SSGT III Promissory Note II SSGT III Promissory Note II [Member] SSGT III promissory note II member. SSGT III Promissory Note SSGT I I I Promissory Note [Member] SSGT III Promissory Note. Current Federal Tax Expense (Benefit) Current Federal income tax expense (benefit) Stock Issued During Period, Value, New Issues Issuance of shares in Underwritten Public Offering , Value Aggregate liquidation preference Preferred Stock, Liquidation Preference, Value Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount Potential earnout Reconciliation Of Assets From Segment To Consolidated [Table] Reconciliation of Assets from Segment to Consolidated [Table] Interest Rate Swap Interest Rate Swap [Member] Interest Rate Swaps FM Two Nine Seven Eight Houston [Member] FM 2978, Houston. FM 2978, Houston Organization and offering expense Percentage of Organization and Offering Expense Percentage of organization and offering expense Purchase units of limited partnership interest. Purchase Units Of Limited Partnership Interest Purchase units of limited partnership interest Whitby Property Whitby property. Whitby Property Member Cybersecurity Risk Management Processes Integrated [Text Block] Net income (loss) attributable to SmartStop Self Storage REIT, Inc. common stockholders Aurora Aurora [Member] Aurora [Member] Aurora Ontario Summary of Wholly-Owned Real Estate Portfolio Summary Of Wholly Owned Real Estate Portfolio Table [Text Block] Summary of wholly-owned real estate portfolio. Riverview Riverview [Member] Riverview. Percentage of Closing Stock Price Percentage of closing stock price. Percentage of closing stock price Vallejo Vallejo [Member] Vallejo [Member] Series E Preferred Stock [Member] Series E Preferred Stock Percentage of Aggregate Principal Amount Holders Percentage of aggregate principal amount holders. Percentage of aggregate principal amount holders Cash distribution record date start Dividends Payable Start Date Of Record Day Month And Year Dividends payable start date of record day month and year. Percentage of Repurchase of Debt Instrument Percentage of repurchase of debt instrument. Percentage of repurchase of debt instrument Intangible assets applied to the purchase of real estate Payments for (Proceeds from) Other Real Estate Partnerships Investment, Basis Spread, Variable Rate Contractual Interest/Preferred Rate Clifton New Jersey. Clifton New Jersey [Member Clifton Clifton New Jersey [Member] SSGT II Advisor S S G T I I Advisor [Member] SSGT II Advisor. Real Estate Accumulated Depreciation Foreign Exchange Gain Loss Impact and Other Real estate accumulated depreciation foreign exchange gain loss impact and other. Impact of foreign exchange rate changes and other Commission Percentage of Contract Sales Price Commission percentage of contract sales price. Commission percentage of contract sales price Business acquisition, transaction costs Acquisition Related Transaction Costs Acquisition related transaction costs. Derivative instruments held Derivative, Number of Instruments Held Derivative, Number of Instruments Held, Total Strategic Storage Trust IV Property Management Agreement Strategic Storage Trust I V Property Management Agreement [Member] Strategic Storage Trust IV Property Management Agreement. Strategic Storage Growth Trust, Inc Strategic Storage Growth Trust Inc [Member] Strategic Storage Growth Trust, Inc. Las Vegas II Las Vegas Two [Member] Las Vegas Two Real Estate, Land, Held-for-Sale Carrying value of properties Derivatives Fair Value [Line Items] Derivatives, Fair Value [Line Items] Two Thousand Twenty Eight Canadian Notes [Member] Two thousand twenty eight canadian notes. 2028 Canadian Notes ASSETS Assets [Abstract] Income Tax Authority, Name [Axis] Operating Partnership Redemption Rights Operating Partnership Redemption Rights [Member] Operating partnership redemption rights. Investments in and Advances to Managed REITs Investments In And Advances To Managed Reits Policy [Text Block] Investments in and advances to managed reits. Upfront dealer manager Percentage of Upfront Dealer Manager Percentage of upfront dealer manager Lake Worth Lake Worth [Member] Lake Worth. Repayments of Debt Fully repayment of debt Outstanding principal, plus accrued interest Repayment - non-credit facility debt Name of Property Name of Property [Domain] Credit facility cross default provision amount Credit Facility Cross Default Provision Amount Credit facility cross default provision amount. Long-Term Debt, Fiscal Year Maturity [Abstract] Document Fiscal Year Focus Document Fiscal Year Focus Accumulated depreciation, beginning balance Accumulated depreciation, ending balance Accumulated depreciation Real Estate Investment Property, Accumulated Depreciation Ancillary Operating Revenue Ancillary Operating Revenue [Member] Ancillary operating revenue. Other assets Other Assets [Member] Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Kelowna Kelowna, British Columbia [Member] Kelowna, British Columbia. Commitments And Contingencies [Line Items] Commitments And Contingencies [Line Items] Commitments and Contingencies [Line Items] Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Summary of Domestic and International Components of Income (Loss) Before Income Taxes Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Payments of Ordinary Dividends, Preferred Stock and Preference Stock Distributions paid - preferred stockholders Sweeten Creek Land Sweeten Creek Land [Member] Sweeten creek land. Antidilutive securities included in computation of earnings per share amount. Antidilutive Securities Included In Computation Of Earnings Per Share Amount Equivalent Shares, included in computation of earnings per share as effect of antidilutive Employer matching contribution, percent of match Defined Contribution Plan, Employer Matching Contribution, Percent of Match Awards vesting date Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vesting Date Share based compensation arrangement by share based payment award equity instruments other than options vesting date. Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Interest rate, maturity date Derivative, Contract End Date Interest Rate, Maturity Date Corporate and Other Corporates and others [Member] Corporates and others [Member] Deferred Federal Income Tax Expense (Benefit) Deferred Federal income tax expense (benefit) Percentage of membership interest Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest Guarantee obligations recourse percentage. Guarantee Obligations Recourse Percentage Guarantee obligations recourse percentage Contribution To Investment Contribution to investment. Contribution to investment Estimated value per share under distribution reinvestment plan Purchase Price Per Share Of Estimated Value Purchase price per share of estimated value. Purchase of SST VI Subordinated Class C Units Payments for Purchase of Units Cash outflow for the purchase of units. Former Credit Facility Term Loan Former Credit Facility Term Loan [Member] Former credit facility term loan. CAD Borrowings C A D Borrowings [Member] CAD borrowings. Preferred Stock Price Per Share Preferred stock price per share. Preferred stock price per share Debt instrument, basis spread on variable rate Derivative, Basis Spread on Variable Rate Noncontrolling Interests in Consolidated Entities Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block] Current Drp Offering Current DRP Offering [Member] Current drp offering member. Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Repurchase of noncontrolling interest in SST VI advisor Arizona ARIZONA Non-capital loss carryforwards Deferred Tax Assets Non Capital Operating Loss Carryforwards Deferred tax assets non capital operating loss carryforwards. Restructuring Cost and Reserve [Line Items] Finite-Lived Intangible Asset, Expected Amortization, Year One Total estimated future amortization expense of intangible assets, year 2026 Components of Deferred Tax Assets [Abstract] Deferred tax assets: Debt Conversion, Converted Instrument, Amount Received converted amount Real estate investment property, gross Real estate facilities, Balance at beginning of year Real estate facilities, Balance at end of year Real Estate Investment Property, at Cost Winter Garden Winter Garden [Member] Winter Garden [Member] Related Party Transaction Expense, Transition Fee Related party transaction expense, transition fee. Transition fee Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] BMO Loan. B M O Loan [Member] BMO Loan Due to affiliates Other Liabilities Other Liabilities, Total Fair Value Disclosures [Abstract] Third Anniversary Preferred Stock Redemption Period Three [Member] Preferred stock redemption period three. Commitments and Contingencies Disclosure [Abstract] California Canada CANADA Issuance of common stock in connection with SST IV Merger Stock Issued During Period, Value, Acquisitions Issuance of common stock in connection with SSGT II Merger Repayments of Long-Term Lines of Credit Repayment of credit facility debt CX2 [Member] Toronto Real Estate Property Ownership Real Estate Property Ownership [Axis] KeyBank SSGT III Bridge Loan [member] KeyBank SSGT III bridge loan. KeyBank-SSGT III Bridge Loan Florida F L FLORIDA Emmett F Lowry Expy Emmett F Lowry Expy [Member] Emmett F Lowry Expy. Net loss attributable to common stockholders Net Income (Loss) Available to Common Stockholders, Basic Net income attributable to SmartStop Self Storage REIT, Inc. common stockholders Net loss attributable to SmartStop Self Storage REIT, Inc. common stockholders Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Net identifiable assets acquired Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), Total Due to affiliates Increase (Decrease) in Due to Affiliates Effective Income Tax Rate Reconciliation [Line Items] Managed R E I T Platform Revenue [Member] Managed REIT platform revenue. Managed Platform revenue Common stock per share outstanding per day declared Common Stock Dividends Per Share Per Day Declared Common Stock Dividends Per Share Per Day Declared Outstanding amount Outstanding amount Long-term Line of Credit, Total Credit facility utilized Summary of Consolidated Results of Operations on Pro Forma Basis Business Combination, Pro Forma Information [Table Text Block] Debt Instrument Debt Instrument [Axis] Derivative Instrument Derivative Instrument [Axis] Fair Value of Assets Acquired Fair market value Defined Benefit Plan, Interest Cost Cost of interest rate cap Share-Based Payment Arrangement [Abstract] Derivative, Foreign Currency Option Strike Price Foreign Currency Forward, Strike Derivative, foreign currency option strike price San Gabriel San Gabriel [Member] San Gabriel. Investment of preferred investor Preferred Units, Contributed Capital Deferred Tax Liabilities, Intangible Assets Intangible contract assets Intangible contract assets Ft Pierce Ft Pierce [Member] Ft Pierce. Property One Property One [Member] Property One [Member] Sale of Stock Sale of Stock [Axis] Other noncontrolling interests Other Noncontrolling Interests Interest Rate Swaps, Effective Date or Date Assumed Derivative Effective Date Date the derivative contract becomes effective, in CCYY-MM-DD format. Derivative Instruments and Hedging Activities Derivatives, Policy [Policy Text Block] Business Combination, Recognized Liability Assumed, Deferred Tax Liability Deferred tax liabilities, net Concentration Risk Percentage1 Concentration Risk, Percentage Bothell everett mill creek. Bothell Everett Mill Creek [Member] Bothell Everett, Mill Creek GainLossOnEquityInterestsUponAcquisition GainLossOnEquityInterestsUponAcquisition Gain on equity interests upon acquisition Noncontrolling interests in our Operating Partnership Partners' Capital Attributable to Noncontrolling Interest Investments in Unconsolidated Real Estate Ventures Equity Method Investments and Joint Ventures Disclosure [Text Block] Maximum weighted-average number of shares outstanding percentage Maximum Weighted Average Number Of Shares Outstanding Basic Percentage Maximum weighted average number of shares outstanding basic percentage. Revenues, Total Revenues Revenues Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Net cash (used in) provided by investing activities Gain (Loss) on Disposition of Real Estate, Discontinued Operations Gain on disposition of real estate Less: Distributions to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Basic, Total Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Less: Distributions to participating securities Title of 12(b) Security Schedule Of Segment Reporting Information By Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Accumulated Depreciation Impact of Foreign Exchange Rate Changes and Other Accumulated Depreciation Impact of Foreign Exchange Rate Changes and Other Impact of foreign exchange rate changes and other Deconsolidation of SST VI OP Partners' Capital Account, Return of Capital Strategic Storage Growth Trust II Tenant Protection Program Revenue Strategic Storage Growth Trust I I Tenant Protection Program Revenue Member Strategic Storage Growth Trust II Tenant Protection Program Revenue Member Common stock, value authorize Common Stock Value Authorized Common Stock, Value Authorized Derivative Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Income Tax Paid, by Individual Jurisdiction [Table] Unvested Weighted-Average Grant-Date Fair Value, Forfeited Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value North Whitby Property [Member] North Whitby Property North Whitby property. FM 2978, Houston [Member] FM 2978, Houston [Member] FM 2978, Houston SSGT III Mezzanine. SSGT III Mezzanine [Member] SSGT III Mezzanine Related Party Related and Nonrelated Parties [Domain] Fixed Charge Coverage Ratio Fixed charge coverage ratio. Fixed charge coverage ratio Long-Term Debt, Maturity, after Year Five 2031 and thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Three Finite lived intangible asset, expected amortization, after year three. Total estimated future amortization expense of intangible assets, thereafter Income Tax Disclosure [Text Block] Income Taxes Acquisition Cost Related to Third Party Acquisition Cost Related to Third Party Interest Expense [Member] Interest Expense Preferred Stock, shares issued Temporary Equity, Shares Issued Redemptions of common stock (in shares) Redemptions of common stock (in shares) Stock Redeemed or Called During Period, Shares Wellington Wellington [Member] Wellington. Chico Chico [Member] Chico [Member] Fairfield Fairfield [Member] Fairfield [Member] CDOR Canadian Dealer Offered Rates [Member] Canadian Dealer Offered Rates. Debt Instrument, Maturity Date Range, End Maturity Date Range, End Document Information [Table] Document Information [Table] Strategic Storage Growth Trust I I I Advisory Agreement SSGT III advisory agreement member. SSGT III Advisory Agreement [Member] Debt Instrument, Redemption, Period Debt Instrument, Redemption, Period [Domain] Reimbursement of stock dividend Reimbursement of Stock Dividend Reimbursement of stock dividend. Consolidated Entities Consolidated Entities [Axis] Strategic Storage Growth Trust I I I Property Management Agreement[Member] Strategic Storage Growth Trust I I I Property Management Agreement[Member] Strategic Storage Growth Trust I I I Property Management Agreement Increase (decrease) in cash from changes in assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Acquisition expenses Business Combination, Separately Recognized Transaction, Acquisition-Related Cost, Expensed Acquisition costs Estimated Useful Lives used to Depreciate Real Property Assets Property, Plant and Equipment [Table Text Block] Percentage of prepay of debt instrument PercentageOfPrepayOfDebtInstrument Prepayment of Notes Preferred Equity Preferred Stock [Text Block] Insurance Settlements Receivable Pending insurance claim Income Tax Disclosure [Abstract] Strategic Storage Trust IV Tenant Program Revenue Strategic Storage Trust I V Tenant Program Revenue [Member] Strategic Storage Trust IV Tenant Program Revenue Member. Boynton Beach Boynton Beach [Member] Boynton Beach [Member] Connersville Connersville [Member] Connersville. Upfront Consideration Upfront consideration. Upfront consideration Business Combination [Text Block] Third Party Platform Acquisition Additional Paid-in Capital Additional Paid-in Capital [Member] Aurora, Ontario [Member]. Aurora, Ontario [Member] Aurora, Ontario Acquisitions Real EstateFacilities Acquisitions Real estate facilities acquisitions Date of Construction Real Estate Property Year Built Description Real Estate Property Year Built, Description SSGT II Merger Agreement S S G T I I Merger Agreement Member SSGT II merger agreement. SSGT II Utilities Operating Expense, Maintenance Utilities Measurement Frequency [Domain] Income Statement Location Statement of Income Location, Balance [Axis] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Building and Improvements Adjustments and Costs to Land, Building and Improvements Subsequent to Acquisition Trading Symbol Managed Platform expense Managed Platform Expenses [Member] Managed platform expenses. Related Party Investment Management Revenues Related party, investment management revenues. Managed Platform Fees Number of states located for self storage facilities Number Of States Located For Self Storage Facilities Number of states located for self storage facilities. Credit Facility Increase Commitments Credit Facility increase commitments. Credit Facility increase commitments Proceeds from Collection of (Payments to Fund) Long-Term Loans to Related Parties Proceeds from Collection of (Payments to Fund) Long-Term Loans to Related Parties, Total Funding of loans Schedule Of Related Party Transactions By Related Party [Table] Related Party Transaction [Table] Change in Dividend Rate due To Non Redemption Change in dividend rate due to non redemption. Change In Dividend Rate Due To Non Redemption Origination fee amount Debt Instrument Origination Fee Amount Debt instrument origination fee amount. Director [Member] Director [Member] Debt Instrument, Redemption, Period Three [Member] Schedule Three Subsequent Event Type Subsequent Event Type [Axis] Time Based Awards Time Based Awards [Member] Time based awards. Construction in process Real Estate Facilities Development In Process [Abstract] Real estate facilities development in process. Non-taxable REIT (income) loss Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount Non-taxable REIT (income) loss Oakland Oakland [Member] Oakland. Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Stoneybrook, Winter Garden, FL [Member] Stoneybrook, Winter Garden, FL Member Stoneybrook, Winter Garden Line of credit facility, annual unused fee Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Real estate investment property Real Estate Investment Property Net Excluding Construction In Process Real estate investment property net excluding construction in process. Highland Center Land Highland Center Land [Member] Highland center land. Fair Value Measurements Recurring Member Fair Value, Recurring [Member] Happy valley rd phoenix. Happy Valley Rd Phoenix [Member] Happy Valley Rd, Phoenix Walnut Grove Ave, San Gabriel [Member] Walnut Grove Ave, San Gabriel. Walnut Grove Ave, San Gabriel Percentage of Hurdle Amount Percentage of hurdle amount. Percentage of Hurdle Amount Holzwarth Rd Houston [Member] Holzwarth Rd Houston. Holzwarth Rd, Houston Number of self storage facilities Number Of Self Storage Facilities Number Of Self Storage Facilities Accumulated depreciation SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward] Equity Components Equity Components [Axis] Up to Fourth Anniversary Up to fourth anniversary. Up To Fourth Anniversary [Member] Insurance claim for damages Unusual or Infrequent Item, or Both, Loss, Gross SSGT III [Member] SSGT III [Member] SSGT III Amendment, suspension or termination period of share Amendment Suspension Or Termination Period Of Share Amendment suspension or termination period of share. Torbarrie Torbarrie [Member] Torbarrie. Payment Liquidation Amount Payment liquidation amount. Payment liquidation amount Equity Component Equity Component [Domain] Interest Accruing On Notes Interest Accruing On Notes Interest Accruing on Notes Value of secured obligations Debt Instrument Secured Obligation Debt instrument secured obligation. Real Estate Casualty Loss Real estate casualty loss. Casualty loss BD IV DST Mortgage Loans [Member] BD IV DST mortgage loans. BD IV DST Mortgage Loans Indemnification assets Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Indemnification Assets Business combination recognized identifiable assets acquired and liabilities assumed indemnification assets. Non Cash Items Related To Third Party Platform Acquisition Non Cash Items Related To Third Party Platform Acquisition Non cash items related to the Third Party Platform Acquisition Second Anniversary Preferred Stock Redemption Period Two [Member] Preferred stock redemption period two. Preferred Equity Investment Redemption Preferred equity investment redemption. Preferred investment redemption Preferred investment redemption Las Vegas Blvd, Las Vegas Las Vegas Blvd, Las Vegas [Member] Las Vegas Blvd, Las Vegas. Current Distribution Reinvestment Plan [Member] Current distribution reinvestment plan. Current Distribution Reinvestment Plan Investment Investments Investments, Total Summary of Relative Fair Values of Assets Acquired and Liabilities Assumed Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] Document Annual Report Document Annual Report Michigan MICHIGAN Business Acquisition Business Combination [Axis] Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total Issuance of restricted stock, net of forfeitures (in shares) Primary Offering IPO [Member] IPO Derivative, Fair Value, Net Derivative, Fair Value, Net, Total Accounts payable and accrued liabilities Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Underwritten Public Offering [Member] Underwritten public offering. Underwritten Public Offering [Member] Gross Proceeds Underwritten Public Offering Gross proceeds underwritten public offering. Gross proceeds- Underwritten Public Offering Depreciation, Depletion and Amortization, Nonproduction, Total Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Employees [Member] Employees member. Employees Statement of Comprehensive Income [Abstract] ALBERTA Alberta Maximum [Member] Maximum Maximum [Member] Real Estate Insurance Property Insurance Non Cash Adjustment From Equity Method Investments In Managed Real Estate Investment Trusts Non cash adjustment from equity method investments in managed real estate investment trusts. Non-cash adjustment - equity method investments in Managed REITs Statistical Measurement Statistical Measurement [Axis] Jones Blvd, Las Vegas I Jones Blvd Las Vegas One [Member] Jones Blvd, Las Vegas I. Daily Simple SOFR Loans, Term SOFR Loans and CORRA Loans Daily Simple SOFR Loans, Term SOFR Loans and CORRA Loans [Member] Daily Simple SOFR Loans, Term SOFR Loans and CORRA Loans. Income tax. Income Tax [Table] Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Amount of accumulated and unpaid distributions Amount From Accumulated And Unpaid Distributions Amount from accumulated and unpaid distributions. Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Total Common stock, value Common Stock, Value, Issued Number of States in which Entity Operates Number of states in which entity operates Underwritten Public Offering Costs [Policy Text Block] Disclosure of underwritten public offering costs. Underwritten Public Offering Costs Net Income (Loss) Available to Common Stockholders, Diluted, Total Net Income (Loss) Available to Common Stockholders, Diluted Net loss attributable to common stockholders for diluted computations: Canadian real estate and non-capital losses Amount of deferred tax asset attributable to non capital losses. Deferred Tax Assets Non - Capital Losses Estimated useful life Small Personal Property And Equipment Assets Useful Life Small personal property assets, such as computers. Maturity date Line of Credit Facility, Expiration Date Purchase Consideration for Additional Purchase Purchase consideration for additional purchase. Additional purchase consideration Required leverage ratio of our real estate portfolio Required Leverage Ratio Of Our Real Estate Portfolio Required leverage ratio of our real estate portfolio. Percentage of outstanding principal amount after fourth anniversary Percentage Of Outstanding Principal Amount After Fourth Anniversary Percentage of outstanding principal amount after fourth anniversary. Dividends [Axis] Purchase of other assets Payments to Acquire Other Productive Assets Principles of Consolidation Consolidation, Policy [Policy Text Block] Total equity Beginning Balance Ending Balance Equity, Including Portion Attributable to Noncontrolling Interest Secured Overnight Financing Rate (SOFR) [Member] SOFR SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross, Ending Balance SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross, Beginning Balance Gross Carrying Amount, Total SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross Arden Arden [Member] Arden. Tamiami Trail, Punta Gorda Tamiami Trail, Punta Gorda [Member] Tamiami Trail, Punta Gorda. Numbers of units Numbers of units Numbers of units Rate of acquisition fees of purchase price of contract Acquisition Fee As Percentage Of Contract Purchase Price Acquisition Fee as Percentage of Contract Purchase Price SST VI Mezzanine. SST VI Mezzanine [Member] SST VI Mezzanine Non Revolving Debt Non Revolving Credit Facility [Member] Non revolving debt. Percentage of asset acquisition consideration payable in OP units Percentage Of Asset Acquisition Consideration Payable In Operating Partnership Units Percentage of asset acquisition consideration payable in operating partnership units. Payments to employees Payments to Employees Preferred Stock Dividends, Income Statement Impact Less: Distributions to preferred stockholders Less: Distributions to preferred stockholders Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block] Payments to noncontrolling interest in our OP Payments to noncontrolling interest in our OP Distributions paid - noncontrolling interests in our OP Evaluation of Possible Impairment of Real Property Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Milton Milton [Member] Milton [Member] Kingwood Kingwood [Member] Kingwood. Loss Contingency Other Non-Cancellable Future Payment Due Year Three Loss contingency other non-cancellable future payment due year three. Loss contingency other non-cancellable future payment due year three Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent State and local tax expense - net of federal benefit, Percent Amortization of debt issuance costs Amortization of Debt Issuance Costs Summary of Sponsorship Funding Payments Summary of sponsorship funding payments. Summary of Sponsorship Funding Payments Canmore Alberta [Member] Canmore, Alberta. Canmore, Alberta Dufferin Dufferin [Member] Dufferin. Distributions Accumulated Distributions in Excess of Net Income [Member] Daily Simple SOFR Loans and Term SOFR Loans [Member] Daily simple SOFR loans and term SOFR loans. Daily Simple SOFR Loans and Term SOFR Loans Other Nonoperating Income (Expense) [Abstract] Other (expense) income: Entity Public Float Strategic Storage Trust IV, Inc. Strategic Storage Trust I V Inc [Member] Strategic Storage Trust IV, Inc Income Taxes Paid, Net [Abstract] Monthly stockholder servicing fee accrual description Servicing Fees Accrual Description Description of monthly stockholder servicing fee accrual basis. Preferred stock, authorized Preferred Stock, Shares Authorized New York Preferred Investment [Member] New York preferred investment. NY Preferred Investment Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest, Total Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive (income) loss attributable to noncontrolling interests Comprehensive loss (income) attributable to noncontrolling interests Property management member. Property Management [Member] Property Management Total operating expenses Total operating expenses Costs and Expenses Total other operating expenses Finite-Lived Intangible Assets by Major Class Finite-Lived Intangible Assets by Major Class [Axis] Schedule of Summarized Real Estate Secured Debt Schedule of Debt [Table Text Block] Centennial Pkwy, LV II Centennial Pkwy, LV I I [Member] Centennial Pkwy, LV I I. BD III DST Mortgage Loans [member] BD III DST mortgage loans. BD III DST Mortgage Loans Lender Name Lender Name [Axis] Redemption of common stock included in accounts payable and accrued liabilities Temporary Equity, Accretion to Redemption Value, Adjustment Managed REIT Platform Fees Managed REIT Platform Fees [Member] Managed REIT platform fees. Transfer Agent fees Transfer Agent Fees Expensed [Member] Transfer agent fees expensed. C M B S Loan [Member] CMBS Loan. CMBS Loan Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Accounts payable and accrued liabilities Accounts Payable and Other Accrued Liabilities Related Party Transaction [Line Items] Related Party Transaction [Line Items] Concord Concord [Member] Concord. 2030 Canadian Notes Two Thousand and Thirty Canadian Notes [Member] Two thousand and thirty canadian notes member. FM 1488, The Woodlands II F M 1488, The Woodlands I I [Member] F M 1488, The Woodlands I I. Schedule Of Business Acquisitions By Acquisition [Table] Business Combination [Table] Buildings Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment, Building Real Estate Assets Entity Registrant Name Entity Registrant Name Debt Debt Disclosure [Text Block] Organizational and Offering Costs Organizational And Offering Costs Policy [Text Block] Organizational and offering costs. Entity Voluntary Filers Entity Voluntary Filers Aurora three. Aurora Three [Member] Aurora III Finite-Lived Intangible Asset, Expected Amortization, Year Two Total estimated future amortization expense of intangible assets, year 2027 Sponsor funding reduction Related Party Sponsor Funding Reduction Related party sponsor funding reduction. Sponsor funding reduction SST X Advisory Agreement [Member] Sst x advisory agreement. SST X Advisory Agreement Summary of Reconciles Total Consideration Transferred Summary of Reconciles Total Consideration Transferred Business Combination, Contingent Consideration [Table Text Block] Strategic Storage Trust IV Advisory Agreement Strategic Storage Trust I V Advisory Agreement [Member] Strategic Storage Trust IV Advisory Agreement. Other Nonoperating Income (Expense) Other Other, net Other Nonoperating Income (Expense), Total Number of Preferred Unit Additionally Purchased Number ofpPreferred unit additionally purchased. Number of preferred unit additionally purchased Asset Acquisition Consideration Transferred Transaction Contingent Earnout Payment Asset acquisition consideration transferred transaction contingent earnout payment. Contingent earnout payment Deferred State and Local Income Tax Expense (Benefit) Deferred State income tax expense (benefit) Date Acquired SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired Conversion of Stock, Shares Issued Conversion of Class A and Class T Common Stock (in shares) Subsequent Events [Abstract] Property Five [Member] Property Five. Property Five SSGT III OP [Member] SSGT III OP [Member] SSGT III OP Number of Properties Under Ownership Interests Number of properties under ownership interests. Number of properties under ownership interests Cybersecurity Risk Management Positions or Committees Responsible [Flag] Proceeds from Sale, Real Estate, Held-for-Investment Proceeds from Sale, Real Estate, Held-for-Investment, Total Net proceeds from the disposition of real estate Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] SOFR Consolidated Entities Consolidated Entities [Domain] Finite-Lived Intangible Asset, Expected Amortization, Year Three Total estimated future amortization expense of intangible assets, year 2028 Income Tax Expense (Benefit) Income tax (expense) benefit Income tax expense (benefit), Total Income tax (expense) benefit Total income tax expense (benefit) Measurement Frequency [Axis] Gross Carrying Amount, Buildings and Improvements SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount Carrying value of building and improvements Property Four [Member] Property Four. Property Four Proceeds from Issuance of Common Stock Net proceeds from issuance of common stock After Tenth Anniversary Preferred Stock Redemption Period After Ten Year [Member] Preferred stock redemption period after ten year. CAD Forward November 28, 2025 Cad Forward Matured November Twenty Eight Two Thousand Twenty Five [Member] Cad forward matured november twenty eight two thousand twenty five. Business Combination, Contingent Consideration, Type [Axis] Distributions payable Non Cash Transactions Distribution Payable Non cash transactions distribution payable. Loss related to equity interest Loss related to equity interest. Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] SpartanBurg [Member] SpartanBurg. SpartanBurg Casualty Insurance Recoveries Policy [Text Block] Casualty Insurance Recoveries Policy [Text Block]. Casualty Insurance Recoveries Percentage of limited partnership interests owned by noncontrolling owners Subsidiary, Ownership Percentage, Noncontrolling Owner Percentage of Joint venture minority ownership Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Concentration Concentration Risk, Credit Risk, Policy [Policy Text Block] Class T Common stock Common Class T [Member] Common class T. Class T Shares Hedge Cash Settlement Matures on November Twenty EightTwo Thousand Twenty Five [Member] Hedge Cash Settlement Matures on November Twenty EightTwo Thousand Twenty Five [Member] Hedge Cash Settlement Matures on November Twenty Eight Two Thousand Twenty Five Number of operating properties. Number of Operating Properties Number of operating properties CAD Foreign Currency Forward [Member] CAD foreign currency forward member. CAD Foreign Currency Forwards Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive income (loss) Consolidated Leverage Ratio Consolidated Leverage Ratio [Member] Consolidated Leverage Ratio. Federal Income Tax Expense (Benefit), Continuing Operations Federal Income Tax Expense (benefit) Lake Houston Pkwy, Humble Lake Houston Pkwy, Humble [Member] Lake Houston Pkwy, Humble. Investment income Gain (Loss) on Investments Net Asset Value Per Share, Beginning Balance Net asset value per share and redemption price NAV per share Net Asset Value Per Share Net Asset Value Per Share, Ending Balance SST VI Mezzanine Loan S S T V I Mezzanine Loan [Member] S S T V I mezzanine loan. Issuance of equity Award Unvested Shares, Granted Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Strategic Storage Growth Trust II Advisory Agreement Strategic Storage Growth Trust I I Advisory Agreement [Member] Strategic Storage Growth Trust II Advisory Agreement. Sterling Heights Sterling Heights [Member] Sterling Heights [Member] Total assets Assets Assets Total assets Schedule Of Property Plant And Equipment [Table] Property, Plant and Equipment [Table] State and local Income Tax Paid, State and Local, after Refund Received Income Tax Paid, State and Local, after Refund Received, Total Hedge Cash Settlement Matures on February Twenty Seven Two Thousand Twenty Five [Member] Hedge Cash Settlement Matures on February Twenty Seven Two Thousand Twenty Five Hedge Cash Settlement Matures on February Twenty Seven Two Thousand Twenty Five Holcombe Blvd Houston [Member] Holcombe Blvd Houston. Holcombe Blvd, Houston Income Statement [Abstract] Ratio of Indebtedness to Net Capital Ratio of Total Indebtedness Noncontrolling Interest in Joint Ventures Carrying value of minority investment Settlement amount of hedge Derivative, Amount of Hedged Item Restructuring Cost [Table] Interest Rate Cap Interest Rate Cap [Member] Interest Rate Caps Elk Grove Elk Grove [Member] Elk Grove. Acquisition of noncontrolling interest related to the Tenant Protection Programs joint ventures Noncontrolling interest increase (decrease) from business combination. Noncontrolling Interest Increase Decrease From Business Combination Number of properties owned by Managed REITs which is operated by the company Number Of Properties Owned By Managed R E I Ts Number of properties owned by managed REITs. Accounting for Equity Awards Share-Based Payment Arrangement [Policy Text Block] Debt Instrument, Redemption, Period One [Member] Schedule One Percentage of Extension Fee Percentage of extension fee. Extension fee Deferred Income Tax Expense (Benefit), Total Deferred tax benefit Deferred Income Tax Expense (Benefit) Deferred income tax expense (benefit) Unaudited Information Unaudited Information Policy [Text Block] Unaudited information. Fifth Anniversary Preferred Stock Redemption Period Five [Member] Preferred stock redemption period five. Two Thousand Twenty Seven EXR Ladera Ranch Loan [Member] Two thousand twenty seven EXR ladera ranch loan. 2027 EXR Ladera Ranch Loan Number of shares issued in offering Sale of Stock, Number of Shares Issued in Transaction Number of shares issued Tampa Tampa [Member] Tampa [Member] Debt Instrument, Redemption, Period Four [Member] Schedule Four Stock Issued During Period, Shares, New Issues Issuance of shares in Underwritten Public Offering (in shares) Loan defeasance costs. Loan Defeasance Costs Loan defeasance costs Preferred Stock, shares authorized Temporary Equity, Shares Authorized Depreciation of Real Property Assets Depreciation, Depletion, and Amortization [Policy Text Block] Unvested Shares, Vested Unvested Shares, Vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period LTIP units Consolidation Considerations Consolidation, Variable Interest Entity, Policy [Policy Text Block] Business Combination [Abstract] Reimbursements payable to SAM under the Administrative Services Agreement Reimbursements payable to SAM under the Administrative Services Agreement Reimbursements payable to SAM under the Administrative Services Agreement Earnings Per Share, Diluted, Total Earnings Per Share, Diluted Net income (loss) per Class A & Class T share - diluted Net loss per Common Stock, Diluted Investments in unconsolidated real estate entities, net Payments to Acquire Real Estate and Real Estate Joint Ventures Investments in unconsolidated real estate ventures Debt Conversion, Original Debt, Amount The balance conversion amount Summary of Reportable Segments Schedule of Segment Reporting Information, by Segment [Table Text Block] Allard Ontario Allard Ontario [Member] Allard, Ontario. SSGT III DST [Member] SSGT III DST. SSGT III DST Number Of Parcel of Land Number of parcel of land. Number of parcel of land Highland Center Blvd, Asheville Highland Center Blvd Asheville [Member] Highland Center Blvd Asheville. Title of Individual Title and Position [Domain] Preferred stock, conversion basis Preferred Stock, Conversion Basis 3173 Sweeten Creek Rd, Asheville Three One Seven Three Sweeten Creek Rd Asheville [Member] Three One Seven Three Sweeten Creek Rd Asheville. Dividends, Common Stock, Total Distributions Dividends, Common Stock Asset Acquisition [Axis] Net income (loss) attributable to common stockholders basic Net income (loss) attributable to common stockholders basic Net income (loss) attributable to common stockholders - basic: Net loss attributable to common stockholders for basic computations: City Area Code City Area Code Mills station rd sacramento. Mills Station Rd Sacramento [Member] Mills Station Rd, Sacramento Managed REIT. Managed REIT [Member] Managed REIT Initial closing amount Initial Closing Amount Occurred On Commitment Related To Preferred Stock Purchase Agreement Initial closing amount occurred on commitment related to preferred stock purchase agreement. Business Combination, Pro Forma Information, Pro Forma Revenue Pro forma total revenues Other Comprehensive Income (Loss), Net of Tax Other comprehensive income (loss) Recorded sponsor funding reduction Recorded Sponsor Funding Reductions Recorded sponsor funding reductions. Auditor Name Proceeds from Lines of Credit, Total Proceeds from line of credit Proceeds from Lines of Credit Proceeds from issuance of credit facility debt SST IV TCF Loan Sst Iv Tcf Loan [Member] SST IV TCF loan. Summary of Quarterly Financial Information Quarterly Financial Information [Table Text Block] Loan amount Debt Instrument, Face Amount Debt issued South Carolina SOUTH CAROLINA Intangible Assets Intangible Assets, Finite-Lived, Policy [Policy Text Block] Buildings and Improvements, Gross, Total Buildings Buildings and Improvements, Gross Initial maximum amount available Line of Credit Facility, Maximum Borrowing Capacity Principal borrowing amount Business Acquisition [Line Items] Business Combination [Line Items] Santa Ana Santa Ana [Member] Santa Ana [Member] RedemptionOfFractionalCommonShares Redemption of fractional common shares. Redemption of fractional common shares Garden Grove Garden Grove [Member] Garden Grove. Class Z Common Class Z [Member] Common class Z. Fees Owed for Structuring and Origination Fees owed for structuring and origination. Fees owed for structuring and origination Vaughan, Ontario. Vaughan Ontario [Member] Vaughan, Ontario Interest Rate Floor [Member] Hedge Cash Settlement On November Sixteen Two Thousand Twenty Three [Member] Hedge cash settlement on november sixteen two thousand twenty three. Hedge Cash Settlement On November Sixteen Two Thousand Twenty Three Self storage facility in Phoenix, Arizona. Self Storage Facility In Phoenix Arizona [Member] Self Storage Facility in Phoenix, Arizona Amounts incurred Amounts Incurred In Sponsorship Funding Amounts incurred in sponsorship funding. AggregatePrincipalAmountOfNotesIssued AggregatePrincipalAmountOfNotesIssued Aggregate principal amount of notes issued Date of real estate venture became operational. Date Of Real Estate Venture Became Operational Date Real Estate Venture Became Operational SOFR Index Adjustment [Member] SOFR index adjustment. SOFR Index Adjustment Noncash or Part Noncash Acquisition Issuance of Common Stock Noncash or part noncash acquisition, issuance of common stock. Issuance of common stock and OP Units in connection with the mergers Share based compensation arrangement by share based payment award equity instruments other than options vesting year. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vesting year Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vesting year Non capital loss carryforwards Non Capital Operating Loss Carryforwards Non capital operating loss carryforwards Common Class Y And Z [Member] Common class y and z. Class Y And Z Trademarks, net of accumulated amortization Indefinite-Lived Trademarks Indefinite lived trademark Common stock shares without designation, authorized Common stock shares without designation, authorized Common stock shares without designation, authorized Amount of Gain (Loss) Recognized in Income on Derivative (Reclassifications of Missed Forecasted Transactions) Derivatives used in Net Investment Hedge, Gain (Loss), Reclassified to Earnings, Net of Tax Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Site Improvements Land Improvements [Member] Gross Carrying Amount, Land SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount Stock Issued During Period, Shares, Restricted Stock Award, Gross Issuance of restricted stock, net of forfeitures (in shares) Torbarrie Loan Torbarrie Loan [Member] Torbarrie loan. Baseline Baseline [Member] Baseline. Business Combination, Acquiree's Revenue since Acquisition Date, Actual 2025 Revenue Miami Miami [Member] Miami. Derivative Liability, Fair Value, Gross Liability, Total Derivative fair value, liability Derivative Liability, Subject to Master Netting Arrangement, before Offset Pompano Beach [Member] Pompano Beach. Pompano Beach Letter of Credit Letter of Credit [Member] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Burlington Burlington [Member] Burlington [Member] Business Combination, Consideration Transferred, Equity Interest OP Units Goodwill Valuation Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] CORRA Adjustment CORRA Adjustment [Member] CORRA adjustment. Canadian Notes Two Thousand Twenty Eight [Member] Canadian Notes Two Thousand Twenty Eight [Member] 2028 Canadian Notes Deferred Foreign Income Tax Expense (Benefit) Deferred Canadian income tax expense (benefit) Cash, cash equivalents, and restricted cash end of year Cash, cash equivalents, and restricted cash beginning of year Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation KeyBank Florida CMBS Loan Key Bank Florida C M B S Loan [Member] KeyBank Florida CMBS loan. Income (loss) from operations Operating income (loss) Operating Income (Loss) Income from operations Strategic Storage Trust V I Property Management Agreement Strategic Storage Trust V I Property Management Agreement [Member] Strategic Storage Trust VI Property Management Agreement. Line of Credit Facility, Capacity Available for Trade Purchases Remaining capacity for general working capital purposes Myrtle Beach I Myrtle Beach South Carolina One [Member] Myrtle Beach South Carolina One [Member] Schedule Of Maturities Of Debt Table [Text Block] Schedule of maturities of debt. Future Principal Payment Requirements on Outstanding Debt Net additions and assets placed into service Development In Process Net Additions And Assets Placed Into Service Development in process net additions and assets placed into service. Royal Palm Beach Royal Palm Beach [Member] Royal Palm Beach. Accumulated Deficit Retained Earnings [Member] Repurchase Of Membership Interests Paid Repurchase of membership interests paid. Repurchase of membership interests Nantucket Joint Venture [Member] Nantucket Joint Venture. Nantucket Joint Venture Gartrell Rd, Aurora [Member] Gartrell Rd, Aurora. Gartrell Rd, Aurora Business Combination, Contingent Consideration, Type [Domain] Additional amount available under credit facility Line Of Credit Facility Additional Borrowing Capacity Line of credit facility additional borrowing capacity. Beverly Beverly [Member] Beverly [Member] Class C Common stock Common Class C [Member] Daily Simple SOFR Plus [Member] Daily simple SOFR plus. Daily Simple SOFR Plus Share-based Payment Arrangement, Noncash Expense, Total Equity based compensation expense Share-Based Payment Arrangement, Noncash Expense Pell Circle, Sacramento Pell Circle Sacramento [Member] Pell circle sacramento. Annualized Common Stock Dividends Per Share Declared Annualized common stock dividends per share declared. Annualized common stock per share outstanding Issuance costs Payments of Stock Issuance Costs Offering costs Remaining unfunded capital commitment Unfunded Capital Commitment Unfunded capital commitment. Dealer Manager Dealer Manager [Member] Dealer manager. Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Class Of Stock [Line Items] Class of Stock [Line Items] Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net cash provided by (used in) financing activities Warren Warren [Member] Warren [Member] Richmond Richmond [Member] Richmond. Asset Acquisition [Abstract] Auditor Location TRS subsidiary [Member] TRS subsidiary [Member] TRS Subsidiary Deferred Income Tax Liabilities, Net, Total Deferred tax liabilities Net deferred tax liability Deferred Income Tax Liabilities, Net Fixed Rate Secured Debt Secured Debt [Member] Disposition due to deconsolidation SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Cost of Investment in Real Estate Sold Disposition of real estate Disposition of real estate Disposition of real estate Nantucket Nantucket [Member] Nantucket. Plantation Plantation [Member] Plantation. Strategic Storage Trademark Strategic Storage Trademark [Member] Strategic storage trademark. Repayment of Loans Repayment of Loans Repayment of loans. Derivative Contract Derivative Contract [Domain] Real Estate Ventures Real Estate Ventures [Member] Real estate ventures. Hedge Maturing Without Cash Settlement On November Sixteen Two Thousand Twenty Three Hedge Maturing Without Cash Settlement On November Sixteen Two Thousand Twenty Three [Member] Hedge Maturing Without Cash Settlement On November Sixteen Two Thousand Twenty Three. Percentage of fee of former external property managers Percentage Of Service Fees On Gross Revenue For Managing Properties percentage of service fees on gross revenue for managing properties. SSGT III and SSGT III Sponsored DSTs [Member] SSGT III and SSGT III sponsored DSTs. SSGT III and SSGT III sponsored DSTs Business Combination, Recognized Asset Acquired, Receivable, Current Accounts receivable and advances District of Columbia DISTRICT OF COLUMBIA Summary of Antidilutive Shares Excluded from Computation of Earnings per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Greater Toronto Area of Canada Greater Toronto Area Of Canada [Member] Greater Toronto Area of Canada. Summary of Activity in Real Estate Facilities Schedule of Real Estate Properties [Table Text Block] Income Tax Authority Income Tax Jurisdiction [Domain] Rahway New Jersey [Member] Rahway New Jersey. Rahway Entity Interactive Data Current Entity Interactive Data Current Income Statement Location Statement of Income Location, Balance [Domain] Effective interest rate cap on derivative instrument Derivative, Cap Interest Rate Other Income Other Income [Member] Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Asset Acquisition [Line Items] Repayment of borrowings Repayments of Lines of Credit Gain (Loss) on Sale of Properties Gain on disposition of real estate BRITISH COLUMBIA BC Investment Thereafter Investment Thereafter [Member] Investment thereafter. Catastrophic Event [Domain] Earnest deposits on acquisitions assigned to the Managed REITs, amounts reclassified to Managed REITs receivables Non Cash Transactions Earnest Deposits on acquisitions Assigned To Managed REITs Amounts Reclassified To Managed REITs Receivables Non cash transactions earnest deposits on acquisitions assigned to managed reits amounts reclassified to managed reits receivables. Asheville VI Asheville Six [Member] Asheville six. Equity InvestmentInAndAdvancesToAffiliatesAmountOfEquity Investmentinandadvancestoaffiliatesamountofequity. SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract] Gross proceeds from issuance of common stock Gross Proceeds From Issuance Of Common Stock Gross proceeds from issuance of common stock. Business Combination, Pro Forma Information [Abstract] Related Party Investment Management Revenues Net Related party, investment management revenues net. Total Managed Platform Revenues Secured Overnight Financing Rate Sofr Overnight Index Matured June Twenty Eight Two Thousand Twenty Four [Member] Secured overnight financing rate sofr overnight index matured june twenty eight two thousand twenty four member SOFR Cap June 28, 2024 Proceeds from Casualty Insurance Proceeds from casualty insurance. Proceeds from casualty insurance Components of Deferred Tax Liabilities [Abstract] Deferred tax liabilities: Distributions per share Common Stock, Dividends, Per Share, Declared Dividend Declared [Line Items] Dividend Declared [Line Items] Dividend Declared [Line Items] Line of credit facility, current borrowing capacity Credit facility, aggregate commitment Line of Credit Facility, Current Borrowing Capacity Percentage Of Acquisition Price Percentage of acquisition price. Percentage of acquisition price Gains (Losses) on Sales of Investment Real Estate Gain on disposition of real estate Gain on disposition of real estate Entity Tax Identification Number Entity Tax Identification Number Hedge Cash Settlement Matures on MayTwenty Seven Two Thousand Twenty Five [Member] Hedge Cash Settlement Matures on MayTwenty Seven Two Thousand Twenty Five [Member] Hedge Cash Settlement Matures on May Twenty Seven Two Thousand Twenty Five Contingent earnout adjustment Contingent Earn Out Adjustment Contingent earn out adjustment. Revenues: Revenues [Abstract] Land Land [Member] Share Price Share price Share Price Centennial Centennial [Member] Centennial. J V Properties J V Properties [Member] J V properties. Long-term Debt, Type Long-Term Debt, Type [Axis] Cad Forward Matured May Twenty Seven Two Thousand Twenty Five [Member] Cad forward matured may twenty seven two thousand twenty five. CAD Forward May 27, 2025 Real Estate And Accumulated Depreciation [Line Items] SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] Term Line of credit facility, initial term Debt Instrument, Term Houston Property Loan Houston Property Loan [Member] Houston property loan. CAD Forward Matured February Twenty Seven Two Thousand Twenty Five [Member] Cad forward matured february twenty seven two thousand twenty five. CAD Forward February 27, 2025 Income Tax Authority, Name [Domain] Other Managed REIT Revenue Other Managed R E I T Revenue [Member] Other Managed REIT Revenue Member. Impact of foreign exchange rate changes on cash and restricted cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest [Abstract] Comprehensive loss (income) attributable to noncontrolling interests: Debt instrument increased interest rate percentage on exercise of extension option. Debt Instrument Increased Interest Rate Percentage On Exercise Of Extension Option Debt instrument increased interest rate percentage on exercise of extension option Extension option fee, Percentage Proceeds from Hedge, Investing Activities Hedge settlement amount Credit facility sublimits Line Of Credit Facility Sublimits Line of credit facility sublimits. Tenth Anniversary Preferred Stock Redemption Period Ten [Member] Preferred stock redemption period ten. Local Phone Number Local Phone Number Strategic Storage Trust V I Tenant Program Revenue Strategic Storage Trust V I Tenant Program Revenue [Member] Strategic Storage Trust VI Tenant Program Revenue. Related Party Transaction Related Party Transaction [Domain] Dividend Declared [Table] Dividend Declared [Table] Dividend Declared [Table] Second and final closing amount Second And Final Closing Amount Occurred On Commitment Related To Preferred Stock Purchase Agreement Second and final closing amount occurred on commitment related to preferred stock purchase agreement. Accounts Payable Current And Noncurrent Incurred Accounts payable current and noncurrent incurred. Payables incurred to related parties Upon Achievement Of Certain Financial Conditions Upon Achievement Of Certain Financial Conditions [Member] Upon achievement of certain financial conditions Number of properties encumbered Number Of Real Estate Properties Encumbered Number of real estate properties encumbered. Auditor Opinion [Text Block] Derivative instruments deferred payment Derivative Instruments Deferred Payment Derivative instruments deferred payment. Payments of Financing Costs, Total Debt issuance costs Payments of Financing Costs Accumulated Distributions in Excess of Net Income, Total Distributions Accumulated Distributions in Excess of Net Income Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Offering costs Debt instrument, payment description Line of Credit Facility, Interest Rate Description Curtailment loan provision Provisions for Curtailment Bank Loan Provisions for curtailment bank loan. SmartStop OP. Smart Stop O P [Member] SmartStop OP Loss contingency other non-cancellable future payment due year one Loss Contingency Other Non-Cancellable Future Payment Due Year One Loss contingency other non-cancellable future payment due year one. Credit Facility Term Loan Credit Facility Term Loan [Member] Credit facility term loan. Accounting Policies [Abstract] McKinney Mc Kinney [Member] McKinney. Potential Future JV Potential Future Joint Ventures [Member] Potential future joint ventures. Shares issued pursuant to distribution reinvestment plan Issuance of shares for distribution reinvestment plan (in shares) Stock Issued During Period, Shares, Dividend Reinvestment Plan Frelinghuysen Ave, Newark Frelinghuysen Ave, Newark [Member] Frelinghuysen Ave, Newark. Number Of Employees Covering The Management Regarding Principal Assets Acquired Number of employees covering the management regarding principal assets acquired. Number of employees covering the management regarding principal assets acquired Marshall Farms Rd, Ocoee Marshall Farms Rd, Ocoee [Member] Marshall Farms Rd, Ocoee. Non-capital losses expiration year. Non-Capital Losses Expiration Year Non-capital losses expiration year Net income loss attributable to noncontrolling interest in operating partnership. Net Income Loss Attributable To Noncontrolling Interest In Operating Partnership Net income (loss) attributable to SmartStop Self Storage REIT, Inc. Net income (loss) attributable to SmartStop Self Storage REIT, Inc. Revenue from Contract with Customer, Excluding Assessed Tax, Total Self storage rental revenue Total revenues Revenue from Contract with Customer, Excluding Assessed Tax Improvements and additions SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Improvements Self Storage Rental Revenue Self Storage Rental Revenue [Member] Self storage rental revenue. Hedge Cash Settlement Matures on July Eleven Two Thousand Twenty Five [Member] Hedge cash settlement matures on july eleven two thousand twenty five. Hedge Cash Settlement Matures on July Eleven Two Thousand Twenty Five SST VI Class C Subordinated Units [Member] SST VI Class C subordinated units. SST VI Series C Units Class of Stock Class of Stock [Domain] Encumbrances SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances External Credit Rating by Grouping [Domain] Shares available for issuance Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Unrecognized compensation expense, expected weighted average-recognition period Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Maximum annual contributions per employee, percentage Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent United States: Income Tax Paid, Federal, after Refund Received [Abstract] CORRA Swap [Member] CORRA swap. CORRA Swap Schedule Of Stock By Class [Table] Stock, Class of Stock [Table] Accumulated impairment charges to goodwill Goodwill, Impaired, Accumulated Impairment Loss Redemption of common stock, purchase price Common Stock Redemption Purchase Price Per Share Common stock redemption purchase price per share. Number of land parcels developed into self storage facilities Number of land parcels developed into self storage facilities. Number of land parcel developed into self storage facilities Entity Emerging Growth Company Entity Emerging Growth Company Secured overnight financing rate sofr overnight index matured may one two thousand twenty five member Secured Overnight Financing Rate Sofr Overnight Index Matured May One TwoThousand Twenty Five [Member] SOFR Cap MAY 1, 2025 Area of Land Area of Land Investments in and Advances to Affiliates [Table Text Block] Summary of Related Party Carrying Value Of Investments In Advances