Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Hotel Hotel [Member] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Title of 12(b) Security Title of 12(b) Security Carrying Value Reported Value Measurement [Member] Subsequent event Subsequent Event [Member] Charge-offs of CECL reserve - transfer to Real Estate, net and Real Estate Held for Sale Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff (Recovery) Adjustment to Compensation, Amount Adjustment to Compensation Amount Pledged Status [Axis] Pledged Status [Axis] Hotel operating income Hotel Operating Income Hotel Operating Income Real Estate [Line Items] Real Estate [Line Items] Total commitment Financing Receivable, Commitment To Lend Financing Receivable, Commitment To Lend Segment Reporting [Abstract] Segment Reporting [Abstract] Accrual of distribution payable Accrued Dividends Payable Accrued Dividends Payable Future Scheduled Minimum Principal Payments Maturities of Long-Term Debt [Abstract] Schedule of Deferred Leasing Costs Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Consolidated Entities [Axis] Consolidated Entities [Axis] Shares repurchased, weighted average price (in dollars per share) Shares Acquired, Average Cost Per Share Lease Intangible Liabilities Asset Acquisition, Lease Intangible Liabilities Asset Acquisition, Lease Intangible Liabilities Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Amortization expense Amortization Carrying Value Variable Interest Entity, Reporting Entity Involvement, Carrying Amount Variable Interest Entity, Reporting Entity Involvement, Carrying Amount Related Party Arrangements Related Party Transactions Disclosure [Text Block] Consolidated Entities [Domain] Consolidated Entities [Domain] Borrowing capacity, increase to maximum available principal amount Line of Credit Facility, Accordion Feature, Increase Limit Line of Credit Facility, Accordion Feature, Increase Limit Option two Interest Rate Option Two [Member] Interest Rate Option Two Reconciliation of cash, cash equivalents and restricted cash to consolidated balance sheets Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation [Abstract] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Asset Acquisition [Axis] Asset Acquisition [Axis] Unvested shares at beginning of period (in shares) Unvested shares at end of period (in shares) Outstanding (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Share-Based Payment Arrangement, Tranche One Share-Based Payment Arrangement, Tranche One [Member] Weighted Average Maturity in Years Mortgage Loans on Real Estate, Weighted Average Maturity Mortgage Loans on Real Estate, Weighted Average Maturity Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Number of reportable segments Number of Reportable Segments Repayment on loans held for investment Repayment of Loans and Preferred Equity Held for Investment Repayment of Loans and Preferred Equity Held for Investment Tenant Improvements Tenant Improvements [Member] Tenant Improvements Subtotal Real Estate Investment Property, at Cost Entity Address, City or Town Entity Address, City or Town Norway NORWAY Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] Receivables [Abstract] Receivables [Abstract] Percent of recourse of the financed amount Debt, Financed Amount of Loans Available for Recourse, Percent Debt, Financed Amount of Loans Available for Recourse, Percent Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Current year, Gross write-offs Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff Net Carrying Amount Intangible Asset, Finite-Lived, after Accumulated Amortization Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Senior loans Senior Loans [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Total other comprehensive income Other comprehensive income Net OCI activity Other Comprehensive Income (Loss), Net of Tax Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] 90 Days or More Past Due Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Summary of Total Assets by Segment Segment Reporting, Reconciliation of Asset by Segment to Consolidated [Table Text Block] Revenue Benchmark Revenue Benchmark [Member] United States UNITED STATES Subsequent Event Type [Axis] Subsequent Event Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Summary of Segment Reporting Segment Reporting [Table Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Related Party [Axis] Related and Nonrelated Parties [Axis] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Repayment of master repurchase and credit facilities Repayments of Lines of Credit Weighted Average of Contractual Maturity SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Weighted Average Contractual Maturity SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Weighted Average Contractual Maturity Current expected credit loss reserve CECL reserve Reserve, beginning balance Reserve, ending balance Current expected credit loss reserve Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Document Period End Date Document Period End Date Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Principal amount Principal amount, financial liabilities Debt Instrument, Face Amount Initial debt term (in years) Debt Instrument, Term BRSP 2021-FL 1 BRSP 2021-FL 1 [Member] BRSP 2021-FL 1 Land and improvements Real Estate, Held-for-Sale, Land and Land Improvements Real Estate, Held-for-Sale, Land and Land Improvements Entity Shell Company Entity Shell Company Earnings Per Share Earnings Per Share [Text Block] Earnings Per Share [Abstract] Earnings Per Share [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Net lease 8 Net Lease Eight [Member] Net Lease Eight Total liabilities Liabilities Trading Symbol Trading Symbol Ramp-up acquisition period Debt Instrument, Term, Ramp-up Acquisition Period Debt Instrument, Term, Ramp-up Acquisition Period Core Core [Member] Number of legal titles acquired through a deed-in-lieu of foreclosure Number Of Real Estate Properties Acquired Through Deed-In-Lieu Of Foreclosure Number Of Real Estate Properties Acquired Through Deed-In-Lieu Of Foreclosure Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Multifamily - Arizona Multifamily, Arizona [Member] Multifamily, Arizona Company Selected Measure Name Company Selected Measure Name Summary of Restricted Cash Restrictions on Cash and Cash Equivalents [Table Text Block] Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration] Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration] Deferred Leasing Costs and Intangible Assets Finite-Lived Intangible Assets And Deferred Leasing Costs, Net [Abstract] Finite-Lived Intangible Assets And Deferred Leasing Costs, Net [Abstract] Impairment loss Real Estate Owned, Valuation Allowance, Component on Deconsolidation Impairment Real Estate Owned, Valuation Allowance, Component on Deconsolidation Impairment Current year Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Advance rate Debt, Advance Rate Debt, Advance Rate Credit Facility [Domain] Credit Facility [Domain] Depreciation and amortization Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Quarterly cash dividend paid (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Securitized loans Securitized Mortgage Loans [Member] Securitized Mortgage Loans [Member] Useful life (in years) Property, Plant, and Equipment, Useful Life Dividends and distributions declared Dividends Dividends payable Dividends Payable Percentage of PSUs granted and eligible to vest Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Number of senior loans Number of Senior Loans Number of Senior Loans Maximum amount that can be drawn Line of Credit Facility, Current Borrowing Capacity Land improvements Land Improvements [Member] Financing Costs Deferred Charges, Policy [Policy Text Block] Operating expense Operating expense Other General and Administrative Expense Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Bank credit facility Bank Credit Facility [Member] Bank Credit Facility [Member] Office leases payment Operating Lease, Payments Award Timing Predetermined Award Timing Predetermined [Flag] Revenue from Rights Concentration Risk Revenue from Rights Concentration Risk [Member] Deferred leasing costs Deferred Initial Direct Cost, Lease, after Accumulated Amortization [Abstract] Furniture, fixtures and equipment Real Estate, Held-for-Sale, Fixtures and Equipment, Gross Real Estate, Held-for-Sale, Fixtures and Equipment, Gross Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Identified Intangibles Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block] Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Net lease portfolio, net Net Lease Portfolio, Net [Member] Net Lease Portfolio, Net [Member] Plan Name [Domain] Plan Name [Domain] Vesting [Domain] Vesting [Domain] Scenario [Domain] Scenario [Domain] Number of loans (in loans) Mortgage Loans on Real Estate, Number of Loans, Collateral for Secured Borrowings Mortgage Loans on Real Estate, Number of Loans, Collateral for Secured Borrowings Right-of-use lease asset Operating Lease, Right-of-Use Asset Concentration Risk Type [Domain] Concentration Risk Type [Domain] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Unrealized gain on net investment hedges Accumulated Net Gain (Loss) from Net Investment Hedges Attributable to Parent [Member] Accumulated Net Gain (Loss) from Net Investment Hedges Attributable to Parent [Member] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Master repurchase facilities Master Repurchase Facilities [Member] Master Repurchase Facilities [Member] Credit facilities Long-Term Line of Credit Distributions paid on common stock Payments of Ordinary Dividends, Common Stock Expiration Date Trading Arrangement Expiration Date 2030 Long-Term Debt, Maturity, Year Four Percentage of net cash proceeds from offering Debt Instrument, Covenant, Net Cash Proceeds From Offering, Percent Debt Instrument, Covenant, Net Cash Proceeds From Offering, Percent Debt Instrument, Interest Rate Option [Axis] Debt Instrument, Interest Rate Option [Axis] Debt Instrument, Interest Rate Option Real Estate [Table] Real Estate [Table] Change in escrow deposits payable Increase (Decrease) in Escrow Deposits Increase (Decrease) in Escrow Deposits Restricted cash Restricted Cash and Cash Equivalent Total equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Buildings Building [Member] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Property and other income Other Income and Expenses [Abstract] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Loans held for investment Real Estate Loan [Member] Carrying Amount Deferred Initial Direct Cost, Lease, before Accumulated Amortization Compensation cost not yet recognized Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Segments [Domain] Segments [Domain] Below-market lease values Amortization of Below Market Lease Debt Debt Disclosure [Text Block] Scenario [Axis] Scenario [Axis] Multifamily - Texas Multifamily - Texas [Member] Multifamily - Texas PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Depreciation expense on real estate Real Estate Investment Property, Depreciation Expense Real Estate Investment Property, Depreciation Expense Total expenses Costs and Expenses Contractual Interest Rate Debt Instrument, Interest Rate, Stated Percentage Total stockholders’ equity Equity, Attributable to Parent Real Estate [Domain] Real Estate [Domain] Charge-off of CECL reserve-transfer to Real Estate, net SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Charge-off, Including Loans Collateralized By Interest SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Charge-off, Including Loans Collateralized By Interest Assets Assets [Abstract] Summary of Loans and Preferred Equity Held for Investment by Year of Origination and Credit Quality Risk Ranking Financing Receivable Credit Quality Indicators [Table Text Block] Insider Trading Policies and Procedures [Line Items] Loan maturities/principal repayments SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Collections of Principal Including Corporate Term Loan SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Collections of Principal Including Corporate Term Loan PSUs Performance Shares [Member] Net decrease to property operating income Net Increase (Decrease) to Rental Income from Amortization of Above and Below Market Leases Net Increase (Decrease) to Rental Income from Amortization of Above and Below Market Leases Number of real estate held for sale Number Of Real Estate Held For Sale Number Of Real Estate Held For Sale Deferred income tax (benefit) expense Deferred Income Tax Expense (Benefit) Restricted Cash, Other Assets and Accrued and Other Liabilities Supplemental Balance Sheet Disclosures [Text Block] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items] Schedule of Mortgage Loans on Real Estate Schedule of Mortgage Loans on Real Estate [Table Text Block] Tabular disclosure of commercial real estate debt investments held by the Company. Antidilutive securities excluded from computation of earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Number of operating segments Number of Operating Segments Entity Central Index Key Entity Central Index Key Additional paid-in capital Additional Paid in Capital, Common Stock Equity [Abstract] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Remainder of 2026(1) Long-Term Debt, Maturity, Remainder of Fiscal Year Other comprehensive income before reclassification Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Ownership [Axis] Ownership [Axis] Pennsylvania Office Property Pennsylvania Office Property [Member] Pennsylvania Office Property Percent of interest income contributed by investment Percent of Interest Income Contributed by Investment Percent of Interest Income Contributed by Investment Schedule of Valuation Assumptions Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Intangible Liabilities Below Market Lease, Net [Abstract] Interest rate margin (in percentage) Debt Instrument, Basis Spread on Variable Rate SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward] SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward] Summary of Distributions Declared Schedule of Dividends Payable [Table Text Block] Variable Rate [Domain] Variable Rate [Domain] Restricted Stock Restricted Stock [Member] Accumulated Other Comprehensive Income AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Corporate and Other Corporate Segment [Member] Management Management [Member] Schedule of Revenue by Geographic Areas Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue [Table Text Block] Compensation cost not yet recognized, period for recognition Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition PD/LGD model PD/LGD Model [Member] PD/LGD Model [Member] Statement [Line Items] Statement [Line Items] Total assets Total Assets Assets Interest expense Interest expense Interest Expense, Operating Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Unconsolidated VIEs Variable Interest Entity, Not Primary Beneficiary [Member] Discount accretion and fee amortization, net SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Amortization of Premium Including Corporate Term Loan SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Amortization of Premium Including Corporate Term Loan Equity-Based Compensation Share-Based Payment Arrangement [Text Block] PEO PEO [Member] Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding 2028 Long-Term Debt, Maturity, Year Two Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Retained Earnings (Accumulated Deficit) Retained Earnings [Member] Revolving credit facility Revolving Credit Facility [Member] Numerator: Earnings Per Share, Numerator [Abstract] Earnings Per Share, Numerator [Abstract] Fair Value Measurement Fair Value Measurement, Policy [Policy Text Block] Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Foreign currency translation gain (loss) Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Summary of Principal Amount, Carrying Value and Fair Value of Financial Assets and Liabilities Fair Value, by Balance Sheet Grouping [Table Text Block] Financing Receivable, Past Due [Line Items] Financing Receivable, Past Due [Line Items] Net loss per common share - diluted (in dollars per share) Earnings Per Share, Diluted Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Variable lease revenue Operating Lease, Variable Lease Income Building and Improvements Asset Acquisition, Building and Improvements Asset Acquisition, Building and Improvements Deferred costs and other assets Increase (Decrease) in Prepaid Expense and Other Assets Working capital and other reserves Working Capital and Other Reserves [Member] Working Capital and Other Reserves [Member] Above-market and In-place lease values Intangible Asset, Finite-Lived, Amortization Expense Investment entities Noncontrolling Interests in Investment Entities Noncontrolling Interests in Investment Entities [Member] Noncontrolling Interests in Investment Entities [Member] Intangible Asset, Finite-Lived [Line Items] Intangible Asset, Finite-Lived [Line Items] Ownership [Domain] Ownership [Domain] Year three Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Loans and Preferred Equity Held for Investment Financing Receivable, Held-for-Investment [Policy Text Block] Long-term Purchase Commitment [Line Items] Long-Term Purchase Commitment [Line Items] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Number of optional extensions to initial maturity date Debt Instrument, Number Of Optional Extensions To Initial Maturity Date Represents the number of optional extensions to initial maturity date of the debt instrument available to the entity. Financial assets: Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Income tax benefit due to reversal of deferred tax liability Income Tax Expense (Benefit), Deferred Tax Liability Writeoff Income Tax Expense (Benefit), Deferred Tax Liability Writeoff Repurchase of common stock Stock Repurchased During Period, Value Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Tenant lockboxes Tenant Lock Boxes [Member] Tenant Lock Boxes [Member] Number of foreclosed properties Number Of Foreclosed Properties Number Of Foreclosed Properties Number of days to receive receipt Number Of Days To Receive Receipt Number Of Days To Receive Receipt Schedule of Scheduled Principal on Debt Schedule of Maturities of Long-Term Debt [Table Text Block] Multifamily Multifamily [Member] Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract] Lease Intangible Assets Asset Acquisition, Lease Intangible Assets Asset Acquisition, Lease Intangible Assets Transaction, investment and servicing expense Transaction, investment and servicing expense Transaction, Investment And Servicing Expense Transaction, Investment And Servicing Expense CLNC 2019-FL1 CLNC 2019-FL1 [Member] CLNC 2019-FL1 [Member] Number of impaired properties Number of Impaired Properties Number of Impaired Properties Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Net lease 5 Net Lease Five 1 [Member] Net Lease Five 1 Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Right-of-use lease asset [Extensible List] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Restricted Cash and Cash Equivalent Item [Line Items] Restricted Cash and Cash Equivalent Item [Line Items] Schedule of Allowance for Loan Losses Financing Receivable, Allowance for Credit Loss [Table Text Block] Common stock, shares issued (in shares) Common Stock, Shares, Issued Construction-in-progress Development in Process Total property and other income Property and Other Income Property and Other Income Product and Service [Domain] Product and Service [Domain] Debt Instrument, Interest Rate Option [Domain] Debt Instrument, Interest Rate Option [Domain] Debt Instrument, Interest Rate Option [Domain] Net lease 4 Net Lease Four [Member] Net Lease Four [Member] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Realized loss on sale of real estate Realized gain on sale of real estate Gains (Losses) on Sales of Investment Real Estate Charge-off of CECL reserve-other Charge-off of CECL reserve-other SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Charge-off, Reserve Other SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Charge-off, Reserve Other Reclassification of net investment hedges to other gain (loss) Other Comprehensive Income (Loss), Net Foreign Investment Hedges, Gain (Loss) Net of Tax Gain (loss), net on both outstanding and matured derivatives instruments that have been or were designated and have or were qualified as hedges of foreign currency exposures related to net investments in foreign operations, net of tax. Termination Date Trading Arrangement Termination Date Arlington, Texas Arlington, Texas [Member] Arlington, Texas Subsequent Events [Abstract] Subsequent Events [Abstract] Assumption of accounts payable, accrued expenses and other liabilities related to consolidation of VIE and assumption of real estate Liabilities Assumed Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Measurement period Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Accrued and other liabilities: Other Liabilities [Abstract] Fair Value as of Grant Date Award Grant Date Fair Value Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Amount available to repurchase under stock repurchase plan Share Repurchase Program, Remaining Authorized, Amount Arrangement Duration Trading Arrangement Duration 2024 Grant 2024 Grant [Member] 2024 Grant Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Total income by geography Revenues Carrying Amount Intangible Asset, Finite-Lived, before Accumulated Amortization Number of loans on nonaccrual status Number Of Loans On Nonaccrual Status Number Of Loans On Nonaccrual Status Furniture, fixtures and equipment Fixtures and Equipment, Gross Equity in earnings (loss) of unconsolidated ventures Equity in (earnings) losses of unconsolidated ventures Income (Loss) from Equity Method Investments Other assets: Other Assets [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Noncontrolling Interests Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block] Impairment of operating real estate Impairment of operating real estate Impairment of Real Estate Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Furniture and Fixtures Furniture and Fixtures [Member] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Award Type [Domain] Award Type [Domain] Net increase (decrease) to rental income from of above and below market leases Net Increase (Decrease) to Rental Income from Above and Below Market Leases Net Increase (Decrease) to Rental Income from Above and Below Market Leases Fair Value Fair Value Disclosures [Text Block] Asset Pledged as Collateral Asset Pledged as Collateral [Member] Shares repurchased (in shares) Treasury Stock, Shares, Acquired Ownership percentage by noncontrolling owners (in percentage) Subsidiary, Ownership Percentage, Noncontrolling Owner Assets transferred to held for sale Assets Transferred To Held For Sale Assets Transferred To Held For Sale Geographical [Axis] Geographical [Axis] Other assets Total Other Assets 30-59 Days Past Due Financial Asset, 30 to 59 Days Past Due [Member] Commitment Variable Interest Entity, Reporting Entity Involvement, Commitment, Amount Variable Interest Entity, Reporting Entity Involvement, Commitment, Amount Legal Entity [Axis] Legal Entity [Axis] Interest expense on real estate Interest expense on real estate Interest Expense, Debt Cost of shares repurchased Treasury Stock, Value, Acquired, Cost Method Cash, cash equivalents and restricted cash - beginning of period Cash, cash equivalents and restricted cash - end of period Total cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Increase in principal SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Increase in Principal SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Increase in Principal Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Schedule of Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Non-NEOs Non-NEOs [Member] Shares authorized for issuance (in shares) Common Shares and Preferred Shares Authorized for Issuance Common Shares and Preferred Shares Authorized for Issuance Number of CRE debt investments contributed to more than 10% of interest income (in investments) Mortgage Loans on Real Estate Number of Loans Contributing to More than 10 Percent of Interest Income Represents the number of mortgage loans on real estate contributing to more than ten percent of interest income of the entity. Deferred Leasing Costs and Other Intangibles Intangible Assets and Liabilities and Deferred Leasing Costs Disclosure [Text Block] Intangible Assets and Liabilities and Deferred Leasing Costs Disclosure [Text Block] Current Expected Credit Losses ("CECL") reserve Credit Loss, Financial Instrument [Policy Text Block] 2027 Long-Term Debt, Maturity, Year One Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Repurchase of common stock Payments for Repurchase of Common Stock Statistical Measurement [Axis] Statistical Measurement [Axis] Award Type [Axis] Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Decrease in general CECL reserve Financing Receivable, Excluding Accrued Interest, Credit Loss, Expense (Reversal), Including Held-For-Sale Financing Receivable, Excluding Accrued Interest, Credit Loss, Expense (Reversal), Including Held-For-Sale Accumulated deficit Retained Earnings (Accumulated Deficit) Acquisitions/originations/additional funding SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Other Addition Product and Service [Axis] Product and Service [Axis] Carrying value of foreclosed properties Repossessed Assets Operating Real Estate Real Estate, Policy [Policy Text Block] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Borrowing from securitization bonds Proceeds from Issuance of Secured Debt Common Stock Common Stock [Member] Real estate escrow reserves Real Estate Escrow Reserves [Member] Real Estate Escrow Reserves [Member] Schedule of Property Operating Income Operating Lease, Lease Income [Table Text Block] Lease expense Operating Lease, Cost Debt term extension available (in years) Debt Instrument, Term, Extension Option Debt Instrument, Term, Extension Option Year four and earlier, Gross write-offs Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff Expected dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Net lease 3 Net Lease Three [Member] Net Lease Three [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Real Estate Property Ownership [Axis] Real Estate Property Ownership [Axis] Other loss, net Other loss, net Other Nonoperating Gains (Losses) Tenant security deposits Security Deposit Liability Deconsolidation of liabilities following foreclosure (refer to Note 4) Noncash or Part Noncash Transaction, Deconsolidation of Liabilities Following Foreclosure Noncash or Part Noncash Transaction, Deconsolidation of Liabilities Following Foreclosure Total liabilities and equity Liabilities and Equity Variable lease expense Variable Lease, Cost Employee Stock Option Share-Based Payment Arrangement, Option [Member] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table] Carrying Amount Finite-Lived Intangible Assets And Deferred Leasing Costs, Gross Finite-Lived Intangible Assets And Deferred Leasing Costs, Gross Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Category [Axis] SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Category [Axis] Related Party [Domain] Related and Nonrelated Parties [Domain] Risk Ranking 3 Risk Level, Average [Member] Rick Level, Average [Member] Tabular List, Table Tabular List [Table Text Block] Vesting [Axis] Vesting [Axis] Multifamily Senior Loan Multifamily Senior Loan [Member] Multifamily Senior Loan Name Awards Close in Time to MNPI Disclosures, Individual Name Investment grade notes Investment Grade Notes [Member] Investment Grade Notes [Member] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Net loss attributable to noncontrolling interests: Net Income (Loss) Attributable to Noncontrolling Interest [Abstract] Property, Plant and Equipment, Type [Domain] Long-Lived Asset, Class [Domain] Number of loans Financing Receivable, Number of Loans Originated Financing Receivable, Number of Loans Originated Increase of current expected credit loss reserve Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal), Including Additional Proceeds Received Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal), Including Additional Proceeds Received Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] Preferred stock, $0.01 par value, 50,000,000 shares authorized, no shares issued and outstanding as of June 30, 2026 and December 31, 2025, respectively Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Amounts reclassified from AOCI Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Denominator: Earnings Per Share, Denominator [Abstract] Earnings Per Share, Denominator [Abstract] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Dividends allocated to participating securities (non-vested shares) Undistributed Earnings (Loss) Allocated to Participating Securities, Basic 60-89 Days Past Due Financial Asset, 60 to 89 Days Past Due [Member] Number of unconsolidated VIEs originated Number of Unconsolidated VIEs Originated Number of Unconsolidated VIEs Originated Credit Facility [Axis] Credit Facility [Axis] Name Measure Name Pay vs Performance Disclosure [Line Items] BRSP 2026-FL3 BRSP 2026-FL3 [Member] BRSP 2026-FL3 Debt Instrument [Line Items] Debt Instrument [Line Items] Additional Paid-in Capital Additional Paid-in Capital [Member] Office - Oregon Office - Oregon [Member] Office - Oregon Name Trading Arrangement, Individual Name Furniture, fixtures and equipment Furniture, Fixtures and Equipment [Member] Furniture, Fixtures and Equipment [Member] Cash and cash equivalents Cash and Cash Equivalent Company Selected Measure Amount Company Selected Measure Amount Comprehensive loss attributable to noncontrolling interests: Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest [Abstract] Real estate investments, unpaid principal payments Real Estate Owned, Unpaid Principal Balance on Mortgage Loans Real Estate Owned, Unpaid Principal Balance on Mortgage Loans Baltimore, Maryland Baltimore, Maryland [Member] Baltimore, Maryland Secured Overnight Financing Rate (SOFR) Secured Overnight Financing Rate (SOFR) [Member] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts and Financing Receivables [Table] Real Estate [Abstract] Real Estate [Abstract] Weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Proceeds from sale of real estate Proceeds from Sale, Real Estate, Held-for-Investment Deferred leasing costs Amortization Of Deferred Leasing Costs Amortization Of Deferred Leasing Costs Non-PEO NEO Non-PEO NEO [Member] Award Timing Method Award Timing Method [Text Block] Net decrease 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 Forecast Forecast [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Share-Based Payment Arrangement, Tranche Three Share-Based Payment Arrangement, Tranche Three [Member] Net loss attributable to BrightSpire Capital, Inc. common stockholders Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Table] Above-market lease values Above Market Leases [Member] Restatement Determination Date: Restatement Determination Date [Axis] Hotel - California Hotel - California [Member] Hotel - California Loan 1 Loan 1 [Member] Loan 1 Receivables, net Increase (Decrease) in Receivables Reversal of charge offs Financing Receivable, Allowance for Credit Loss, Recovery Reinvestment feature period Debt Instrument, Term, Reinvestment Feature Debt Instrument, Term, Reinvestment Feature Summary of Other Assets Schedule of Other Assets [Table Text Block] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Statistical Measurement [Domain] Statistical Measurement [Domain] Cash and Cash Equivalents Cash and Cash Equivalents, Unrestricted Cash and Cash Equivalents, Policy [Policy Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Cause of Provision For Loan Loss [Domain] Cause of Provision For Loan Loss [Domain] Cause of Provision For Loan Loss [Domain] Investments with direct ownership in commercial real estate Number Of Investments With Direct Ownership In Commercial Real Estate Number Of Investments With Direct Ownership In Commercial Real Estate Number of Shares [Roll Forward] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Common stock, $0.01 par value per share, Class A, 950,000,000 shares authorized, 126,789,991 and 128,627,246 shares issued and outstanding as of June 30, 2026 and December 31, 2025, respectively Common Stock, Value, Issued SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Category [Domain] SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Category [Domain] Shares canceled for tax withholding on vested stock awards Payment, Tax Withholding, Share-Based Payment Arrangement Summary of Debt Schedule of Long-Term Debt Instruments [Table Text Block] Service period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period Future funding commitments Unused Commitments to Extend Credit Credit facilities Credit Facilities Credit facilities Line of Credit [Member] Restatement Determination Date Restatement Determination Date Investments in unconsolidated ventures at fair value Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Industrial Industrial Property [Member] In-place lease values Leases, Acquired-in-Place [Member] Other Assets Asset Acquisition, Other Assets Asset Acquisition, Other Assets Preferred Equity Preferred Equity Interest [Member] Represents information pertaining to preferred equity interest. Securitization bonds payable, net Securitization Bonds Payable, Net Securitization Bonds Payable [Member] Represents information pertaining to securitization bonds payable. Amendment Flag Amendment Flag Less: Accumulated depreciation Real Estate Investment Property, Accumulated Depreciation Loan payoff period, maximum Financing Receivable, Loan Payoff Period, Maximum Financing Receivable, Loan Payoff Period, Maximum Prepaid expenses and other Prepaid Expense, Excluding Prepaid Taxes, And Other Expenses Prepaid Expense, Excluding Prepaid Taxes, And Other Expenses Investments [Domain] Investments [Domain] Number of unconsolidated VIEs Number of Unconsolidated VIEs Number of Unconsolidated VIEs Lease Intangibles Lease Intangibles [Member] Lease Intangibles Number of loans on nonaccrual collateral dependent Number Of Loans On Nonaccrual Collateral Dependent Number Of Loans On Nonaccrual Collateral Dependent Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Entity Address, State or Province Entity Address, State or Province Loan carrying value, nonaccrual Financing Receivable, Excluding Accrued Interest, Nonaccrual PEO Total Compensation Amount PEO Total Compensation Amount Foreign currency translation gain Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Mortgage and other notes payable, net Mortgage Notes Payable, Net [Member] Mortgage Notes Payable, Net [Member] Tax receivable and deferred tax assets Taxes Receivable And Deferred Income Tax Assets Taxes Receivable And Deferred Income Tax Assets Weighted average shares of common stock outstanding - basic (in shares) Weighted average shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Net lease 5 Net Lease Five [Member] Net Lease Five [Member] Securitization bonds payable, net Secured Debt Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Financing Receivable, Credit Quality Indicator [Line Items] Financing Receivable, Credit Quality Indicator [Line Items] Cash and restricted cash relinquished in deconsolidation of subsidiaries Cash Divested from Deconsolidation Weighted Average Coupon (in percentage) SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate Maximum leverage ratio Debt Instrument, Covenant, Leverage Ratio, Maximum Debt Instrument, Covenant, Leverage Ratio, Maximum Noncontrolling interests in investment entities Noncontrolling Interest in Joint Ventures Purchase Price Asset Acquisition, Consideration Transferred Land and improvements Land and Land Improvements Property Operating Income Property Operating Income [Member] Property Operating Income Loans and Preferred Equity Held for Investment, net Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Class of Stock [Axis] Class of Stock [Axis] Net loss attributable to common stockholders Net Income (Loss) Available to Common Stockholders, Basic Accumulated Amortization Intangible Asset, Finite-Lived, Accumulated Amortization Receivable [Domain] Receivable [Domain] Capacity Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Straight-line rental income Straight Line Rent Loans and preferred equity held for investment, net Beginning balance Ending balance Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss Fair Value Option Fair Value Option Policy [Policy Text Block] Disclosure of accounting policy for election of fair value option for certain financial assets and liabilities on an instrument-by-instrument basis at initial recognition. Realized loss on securities from write-down to fair value Financing Receivable, Allowance for Credit Loss, Writeoff Future Application of Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Ground Leases Land [Member] Amortization of deferred financing costs Amortization of Debt Issuance Costs Mortgage and Other Notes Payable, Net Mortgage Notes Payable [Member] Mortgage Notes Payable [Member] Transfer to Real Estate, net SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Transfer to Real Estate, Net SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Transfer to Real Estate, Net Carrying value Long-Term Debt Year two Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year Changes in assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Stockholders' Equity Equity [Text Block] Expenses Costs and Expenses [Abstract] Security Exchange Name Security Exchange Name Concentration risk, number of properties Concentration Risk, Number of Properties Concentration Risk, Number of Properties Total property operating income Property Operating Income, Excluding Amortization of Below, Above Leases Property Operating Income, Excluding Amortization of Below, Above Leases Total real estate, net Real Estate, Held-for-Sale Denver, Colorado Denver, Colorado [Member] Denver, Colorado Schedule of Operating Real Estate Estimated Useful Lives Property, Plant, and Equipment [Table Text Block] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Schedule of Operating Real Estate Properties Schedule of Real Estate Properties [Table Text Block] Net interest income Interest Income (Expense), Operating [Abstract] Name Outstanding Recovery, Individual Name Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Liabilities related to assets held for sale Liabilities Related to Assets Held for Sale, Not Part of Disposal Group Liabilities Related to Assets Held for Sale, Not Part of Disposal Group 2031 and thereafter Long-Term Debt, Maturity, After Year Four Long-Term Debt, Maturity, After Year Four Net lease 1 Net Lease One [Member] Net Lease One [Member] Variable Interest Entities Consolidation, Variable Interest Entity, Policy [Policy Text Block] Summary of Other Liabilities Other Liabilities [Table Text Block] Office Senior Loans Office Senior Loan [Member] Office Senior Loan Geographical [Domain] Geographical [Domain] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Variable rate Variable Rate Commercial Mortgage [Member] Variable Rate Commercial Mortgage [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Cause of Provision For Loan Loss [Axis] Cause of Provision For Loan Loss [Axis] Cause of Provision For Loan Loss [Axis] Supplemental disclosure of non-cash investing and financing activities: Noncash Investing and Financing Items [Abstract] Total Balance Long-Term Debt, Gross Net increase (decrease) to amortization from above and below market leases Net Increase (Decrease) to Amortization from Above and Below Market Leases Net Increase (Decrease) to Amortization from Above and Below Market Leases Related Party Transactions [Abstract] Related Party Transactions [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Weighted average shares of common stock outstanding - diluted (in shares) Weighted average shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Office loans Office loans [Member] Office loans Multifamily/Pre-dev - California Multifamily/Pre-dev - California [Member] Multifamily/Pre-dev - California Loans and preferred equity held for investment Carrying Value Total Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Underlying Security Market Price Change Underlying Security Market Price Change, Percent Borrowings from master repurchase and credit facilities Proceeds from Lines of Credit Transfer of principal SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Transfer of Principal SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Transfer of Principal Senior loans Mortgage Receivable [Member] Risk Ranking 4 Risk Level, High [Member] Operating lease liability [Extensible List] Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] Maximum exposure to loss Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Annual installments Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Installments Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Installments Provision for (reversal of) loan losses for unfunded commitments CECL reserves related to unfunded commitments Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) Acquisition of and additions to real estate and related intangibles Payments for Capital Improvements Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Indiana Retail Property Indiana Retail Property [Member] Indiana Retail Property Year two, Gross write-offs Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff Assumption of real estate and consolidation of VIE (refer to Note 4) Noncash or Part Noncash Transaction, Consolidation of VIE Noncash or Part Noncash Transaction, Consolidation of VIE Unvested shares at beginning of period, weighted average grant date fair value (in dollars per share) Unvested shares at end of period, weighted average grant date fair value (Unaudited) (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value All Executive Categories All Executive Categories [Member] Sale of notes Proceeds from Sale of Notes Receivable Mortgage and other notes payable, net Mortgage and Other Notes Payable, Net [Member] Mortgage and Other Notes Payable, Net [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Asset Acquisition [Domain] Asset Acquisition [Domain] Preferred equity interests Preferred Equity Interests [Member] Preferred Equity Interests Financing receivable, accrued interest, after allowance for credit loss, statement of financial position, extensible list, not disclosed, flag Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Building (fee interest) Building, Fee Interest [Member] Building, Fee Interest [Member] Segment Reporting Segment Reporting [Text Block] Minimum Minimum [Member] Investment Type [Axis] Investment Type [Axis] Number of investments Number of Preferred Equity Investments Number of Preferred Equity Investments Effect of exchange rates on cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Tangible net worth Debt Instrument, Covenant, Tangible Net Worth, Minimum Debt Instrument, Covenant, Tangible Net Worth, Minimum Proceeds from sale of investments Payments for (Proceeds from) Investments Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Net loss attributable to BrightSpire Capital, Inc. common stockholders Net Income (Loss) Attributable to Parent, Including Allocated Amount for Comparison Net Income (Loss) Attributable to Parent, Including Allocated Amount for Comparison Accumulated Amortization Finite-Lived Intangible Assets And Deferred Leasing Costs, Accumulated Amortization Finite-Lived Intangible Assets And Deferred Leasing Costs, Accumulated Amortization Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Interest receivable Financing Receivable, Accrued Interest, after Allowance for Credit Loss Repayment of mortgage notes Repayments of Notes Payable Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Real estate, net Net lease portfolio, net Real Estate Investment Property, Net Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Issuance and amortization of equity-based compensation Stock Issued During Period, Value, Share-based Compensation, Including Share-based Compensation, Requisite Service Period Recognition Stock Issued During Period, Value, Share-based Compensation, Including Share-based Compensation, Requisite Service Period Recognition Exercise Price Award Exercise Price Segment Reporting [Line Items] Segment Reporting [Line Items] Stock repurchase program, amount authorized for repurchase Share Repurchase Program, Authorized, Amount Number of properties held-for-sale (in properties) Real Estate Held For Sale, Number Of Properties Held-For-Sale Real Estate Held-For-Sale, Number Of Properties Held-For-Sale Number of legal titles acquired Number Of Legal Titles Acquired Number Of Legal Titles Acquired Document Quarterly Report Document Quarterly Report Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Year three, Gross write-offs Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff Receivables, net Accounts Receivable, after Allowance for Credit Loss Loss before equity in earnings of unconsolidated ventures and income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Interest payable Interest Payable Net Leased and Other Real Estate Net Leased Real Estate Segment [Member] Net Leased Real Estate Segment [Member] Restricted Cash and Cash Equivalents [Axis] Restricted Cash and Cash Equivalents [Axis] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Real estate investments, carrying value Real Estate Owned, Carrying Value Real Estate Owned, Carrying Value Commercial mortgage Commercial Mortgage, Including PCI Loans [Member] Commercial Mortgage, Including PCI Loans [Member] Real Estate, net Real Estate Disclosure [Text Block] Equity Component [Domain] Equity Component [Domain] Maximum amount of base value available for borrowing Line Of Credit Facility, Maximum Borrowing Capacity, Reduction Due To Outstanding Amount Greater Than 180 Days, Percentage Line Of Credit Facility, Maximum Borrowing Capacity, Reduction Due To Outstanding Amount Greater Than 180 Days, Percentage Loans and preferred equity held for investment, net Loans Receivable, Fair Value Disclosure Core and Non-core Status [Domain] Core and Noncore Status [Domain] Real Estate Properties [Domain] Real Estate Properties [Domain] 2025 Grant 2025 Grant [Member] 2025 Grant Adoption Date Trading Arrangement Adoption Date Liabilities related to assets transferred to held for sale Liabilities Related To Assets Transferred To Held For Sale Liabilities Related To Assets Transferred To Held For Sale Margin on basis spread on variable rate Debt Instrument, Margin On Basis Spread On Variable Rate Debt Instrument, Margin On Basis Spread On Variable Rate Other real estate 1 Other Real Estate 1 [Member] Other Real Estate 1 [Member] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Risk free rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Operating lease liability Operating Lease, Liability Office Property Office Property [Member] Office Property Interest income Interest Income, Operating Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Retail Property Retail Property [Member] Retail Property Return on investment rates Investments, Fixed Return Rate Investments, Fixed Return Rate Land and Improvements Asset Acquisition, Land and Improvements Asset Acquisition, Land and Improvements Number of retail properties in default Number of Retail Properties in Default Number of Retail Properties in Default Letters of Credit Letter of Credit [Member] Charge-off of loan held for investment SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loans Held For Investment, Charge-Off SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loans Held For Investment, Charge Off Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Operating Lease, Lease Income Operating Lease, Lease Income Financial Asset, Period Past Due [Domain] Financial Asset, Aging [Domain] Mezzanine loans Mezzanine Loans [Member] Represents information pertaining to mezzanine loans. All Adjustments to Compensation All Adjustments to Compensation [Member] Income Taxes Income Tax, Policy [Policy Text Block] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Acquisition, origination and funding of loans and preferred equity held for investment, net Payments to Acquire Notes Receivable Income Statement [Abstract] Income Statement [Abstract] Stockholders’ equity Equity, Attributable to Parent [Abstract] Document Transition Report Document Transition Report Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Schedule of Finite-Lived Intangible Assets Intangible Asset, Finite-Lived [Table Text Block] Buildings, building leaseholds, and improvements Investment Building and Building Improvements City Area Code City Area Code Subsequent Events Subsequent Events [Text Block] Financial liabilities Debt Instrument, Fair Value Disclosure Number of counterparties holding collateral that exceeds amounts borrowed by more than 10% Concentration Risk, Number Of Counterparties Accounting For More Than Ten Percent Concentration Risk, Number Of Counterparties Accounting For More Than Ten Percent Accumulated Amortization Below Market Lease, Accumulated Amortization Name Forgone Recovery, Individual Name Minimum interest coverage ratio Debt Instrument, Covenant, Interest Coverage Ratio, Minimum Debt Instrument, Covenant, Interest Coverage Ratio, Minimum Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Weighted Average Grant Date Fair Value [Roll Forward] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Entity [Domain] Entity [Domain] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Origination fees received, net of discount accretion and fee amortization Origination Fees Received, Net of Discount Accretion and Fee Amortization Amount of noncash expense for amortization and accretion of premium, discount and fees on investments and borrowings, net. Financing Receivable, Credit Quality Indicator [Table] Financing Receivable, Credit Quality Indicator [Table] Equity Based Compensation Share-Based Payment Arrangement [Policy Text Block] Accounts payable, accrued expenses and other liabilities Accounts Payable and Other Accrued Liabilities Stock issued (in shares) Stock Issued During Period, Shares, New Issues Business and Organization Nature of Operations [Text Block] Net lease 6 Net Lease Six [Member] Net Lease Six [Member] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Equity-based compensation expense Share-Based Payment Arrangement, Expense Measurement Basis [Axis] Measurement Basis [Axis] Tenant improvements Tenant Improvements Tenant improvements Real Estate, Held-for-Sale, Tenant Improvements Real Estate, Held-for-Sale, Tenant Improvements Number of additional shares authorized (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized Granted, weighted average grant date fair value (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Subsequent Event Type [Domain] Subsequent Event Type [Domain] Impairment of operating real estate Impairment of Real Estate, Net of Foreign Translation Adjustments Impairment of Real Estate, Net of Foreign Translation Adjustments Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Deferred leasing costs and intangible assets, net Net Carrying Amount Finite-Lived Intangible Assets And Deferred Leasing Costs, Net Finite-Lived Intangible Assets And Deferred Leasing Costs, Net Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Shares canceled for tax withholding on vested stock awards Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Property operating income Property Operating Income Property Operating Income Adjustments to reconcile net loss to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] 2029 Long-Term Debt, Maturity, Year Three Buildings, building leaseholds, and improvements Real Estate, Held-for-Sale, Investment Building and Building Improvements Real Estate, Held-for-Sale, Investment Building and Building Improvements Designated hedges and foreign currency translation reclassified to earnings Designated Hedges and Foreign Currency Translation Reclassified to Earnings Designated Hedges and Foreign Currency Translation Reclassified to Earnings Unused amount, commitment fee percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Paid-in-kind interest added to loan principal Paid In Kind Interest Added To Loan Principal Paid-in-kind interest added to loan principal. Risk Ranking 5 Risk Level, Impaired/Defaulted/Loss Likely [Member] Risk Level, Impaired/Defaulted/Loss Likely [Member] Year four earlier Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year Other income Other Income Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Underlying Securities Award Underlying Securities Amount Investment entities Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Fair Value Estimate of Fair Value Measurement [Member] Other portfolio, net Other Portfolio, Net [Member] Other Portfolio, Net [Member] Reinvestment period Loan Securitization, Reinvestment Period Loan Securitization, Reinvestment Period Property and other income Real Estate Revenue, Net And Other Income Real Estate Revenue, Net And Other Income Weighted average discount rate (as a percentage) Operating Lease, Weighted Average Discount Rate, Percent Capital expenditure reserves Capital Expenditure Reserves [Member] Capital Expenditure Reserves [Member] Summary of Awards Granted or Vested Nonvested Restricted Stock Shares Activity [Table Text Block] Segment Reporting [Table] Segment Reporting [Table] Number of properties with interest only payments (in properties) Number of Real Estate Properties, Interest Only Payments Number of Real Estate Properties, Interest Only Payments Allowance for lending commitments Off-Balance-Sheet, Credit Loss, Liability Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract] Summary of Lease Expense Lease, Cost [Table Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Increase of current expected credit loss reserve Increase in specific CECL reserve Increase of current expected credit loss reserve Increase of current expected credit loss reserve Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Repurchase of common stock (in shares) Stock Repurchased During Period, Shares Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Dividends and distributions declared per share of common stock (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Core and Non-core Status [Axis] Core and Noncore Status [Axis] Office Office Building [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Third Party Joint Venture Partners Third Party Joint Venture Partners [Member] Third Party Joint Venture Partners [Member] Measure: Measure [Axis] Schedule of Classification, Carrying Value and Maximum Exposure of VIEs Schedule of Variable Interest Entities [Table Text Block] Unfunded CECL loan allowance Unfunded Current Expected Credit Losses Loan Allowance Unfunded Current Expected Credit Losses Loan Allowance Assets held for sale Total assets held for sale Asset, Held-for-Sale, Not Part of Disposal Group Equity Components [Axis] Equity Components [Axis] Debt instrument, repurchase amount Debt Instrument, Repurchase Amount Schedule of Asset Acquisition Asset Acquisition [Table Text Block] Income taxes paid (refunded) Income Tax Paid, after Refund Received Bank 5 Bank 5 [Member] Bank 5 Class A Common Class A [Member] Entity Interactive Data Current Entity Interactive Data Current Variable Rate [Axis] Variable Rate [Axis] BRSP 2024-FL2 BRSP 2024-FL2 [Member] BRSP 2024-FL2 Deferred financing costs, net - credit facilities Debt Issuance Costs, Line of Credit Arrangements, Net Entity Small Business Entity Small Business Comprehensive loss attributable to common stockholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Shares canceled for tax withholding on vested stock awards (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Furniture and Fixtures Asset Acquisition, Furniture and Fixtures Asset Acquisition, Furniture and Fixtures Property, Plant, and Equipment [Line Items] Property, Plant, and Equipment [Line Items] Proceeds from sale of real estate Proceeds from Sale of Real Estate MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Accumulated Amortization Deferred Initial Direct Cost, Lease, Accumulated Amortization Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract] Document Type Document Type Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Prepaid rent and unearned revenue Prepaid Rent and Unearned Revenue Prepaid Rent and Unearned Revenue Subsequent Event [Line Items] Subsequent Event [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Fair value at vesting date Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested Local Phone Number Local Phone Number Unpaid Principal Balance Principal Amount SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages Restrictions on Cash and Cash Equivalents [Table] Restrictions on Cash and Cash Equivalents [Table] Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Pledged Status [Domain] Pledged Status [Domain] Commitments and contingencies (Note 12) Commitments and Contingencies Other comprehensive income (loss) OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax [Abstract] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Senior and Mezzanine Loans and Preferred Equity Senior and Mezzanine Loans And Preferred Equity [Member] Senior and Mezzanine Loans and Preferred Equity Segment [Member] Executive Category: Executive Category [Axis] Long-term Purchase Commitment [Table] Long-Term Purchase Commitment [Table] Receivable Type [Axis] Receivable Type [Axis] Business Combinations Business Combination [Policy Text Block] Liabilities Liabilities and Equity [Abstract] Schedule of Deferred Costs and Other Intangible Assets and Liabilities Schedule of Deferred Costs and Other Intangible Assets and Liabilities [Table Text Block] Schedule of Deferred Costs and Other Intangible Assets and Liabilities Norwegian Office Campus Norwegian Office Campus [Member] Norwegian Office Campus Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount 2026 Grant 2026 Grant [Member] 2026 Grant Schedule of Variable Interest Entities [Table] Variable Interest Entity [Table] Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] PEO Name PEO Name Accrued and other liabilities Total Accrued Liabilities and Other Liabilities Financial liabilities: Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Credit agreement Credit Agreement [Member] Credit Agreement [Member] Other Liabilities Asset Acquisition, Other Liabilities Asset Acquisition, Other Liabilities Number of Buildings/Units Number of Assets Acquired Number of Assets Acquired EBITDA plus lease expenses to fixed charges Debt Instrument, Covenant, EBITDA Plus Lease Expenses To Fixed Charges Debt Instrument, Covenant, EBITDA Plus Lease Expenses To Fixed Charges Property, Plant and Equipment, Type [Axis] Long-Lived Asset, Class [Axis] Repayment of securitization bonds Repayments of Secured Debt Transfers of Financial Assets Transfers and Servicing of Financial Assets, Transfers of Financial Assets, Policy [Policy Text Block] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Bank 4 Bank 4 [Member] Bank 4 Entity Tax Identification Number Entity Tax Identification Number Schedule of Aging Summary of Loans Financing Receivable, Past Due [Table Text Block] Mortgage and other notes payable, net Notes Payable Minimum lease revenue Operating Lease, Lease Income, Lease Payments Deconsolidation of assets following foreclosure (refer to Note 4) Noncash or Part Noncash Transaction, Deconsolidation of Assets Following Foreclosure Noncash or Part Noncash Transaction, Deconsolidation of Assets Following Foreclosure Property operating expense Property operating expense Property Operating Expense Property Operating Expense Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Comprehensive loss Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] Amortization of equity-based compensation Share-Based Payment Arrangement, Noncash Expense Compensation and benefits (including $3,443, $2,913, $6,361 and $7,126 of equity-based compensation expense, respectively) Compensation and benefits Labor and Related Expense Total operating lease expense Lease, Cost Related party transactions Related Party Transaction, Amounts of Transaction Net loss per common share - basic (in dollars per share) Earnings Per Share, Basic Insider Trading Arrangements [Line Items] Fixed rate Fixed Rate Commercial Mortgage [Member] Fixed Rate Commercial Mortgage [Member] Net loss attributable to noncontrolling interests in investment entities Investment Entities Noncontrolling Interest in Net Income (Loss) Joint Venture Partners, Nonredeemable Number of shares issued per share-based payment award (in shares) Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Conversion Ratio Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Conversion Ratio Payment of deferred financing costs Payments of Financing Costs Net interest income Interest Income (Expense), Operating and Nonoperating, Net Interest Income (Expense), Operating and Nonoperating, Net Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Real estate investments, mortgage loans payable Real Estate Owned, Mortgage Notes Payable Real Estate Owned, Mortgage Notes Payable Real Estate, Type of Property [Axis] Real Estate, Type of Property [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Subtotal Real Estate, Held-for-Sale, Gross Real Estate, Held-for-Sale, Gross Current or Less Than 30 Days Past Due Financial Asset, 1 to 29 Days Past Due [Member] Concentration risk, percentage Concentration Risk, Percentage Year one, Gross write-offs Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff Equity Awards Adjustments Equity Awards Adjustments [Member] Escrow deposits payable Borrower Escrow Deposits Payable Borrower Escrow Deposits Payable Fair Value of Financial Instruments Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Other liabilities Increase (Decrease) in Other Operating Liabilities Plan Name [Axis] Plan Name [Axis] Schedule of Loans and Preferred Equity Held for Investment, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Deferred Leasing Costs and Intangible Assets Intangible Asset, Finite-Lived, after Accumulated Amortization [Abstract] Total Stockholders’ Equity Parent [Member] Equity Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Proceeds from sale of securitization trust Proceeds from Collection of Retained Interest in Securitized Receivables Borrower escrow deposits Borrower Escrow Deposits [Member] Borrower Escrow Deposits [Member] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Industrial Loan Industrial Loan [Member] Industrial Loan Number of real estate properties acquired through deed-in-lieu of foreclosure Number Of Real Estate Properties Sold Through Deed-In-Lieu Of Foreclosure Number Of Real Estate Properties Sold Through Deed-In-Lieu Of Foreclosure Number of properties Number of Real Estate Properties Class of Stock [Domain] Class of Stock [Domain] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Carrying Amount Below Market Lease, Gross Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Non-cash adjustments Other Noncash Income (Expense) Number of properties individually evaluated Number Of Properties Evaluated Individually Number Of Properties Evaluated Individually Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Other income Other Income Tax Expense (Benefit), Continuing Operations [Abstract] Entity Filer Category Entity Filer Category Bank 3 Bank 3 [Member] Bank 3 Preferred Equity Investments 7-10 Seven to Ten Preferred Equity Investments [Member] Seven to Ten Preferred Equity Investments Option one Interest Rate Option One [Member] Interest Rate Option One Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Illinois Retail Property Illinois Retail Property [Member] Illinois Retail Property Financial Asset, Period Past Due [Axis] Financial Asset, Aging [Axis] Net Carrying Amount Below Market Lease, Net Entity Address, Address Line Two Entity Address, Address Line Two Allowance for Loan and Lease Losses [Roll Forward] Allowance for Loan and Lease Losses [Roll Forward] Net income (loss) Net loss Net income (loss) Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Number of properties deconsolidated Number Of Properties Deconsolidated Number Of Properties Deconsolidated Foreign Currency Foreign Currency Transactions and Translations Policy [Policy Text Block] Entity Address, Address Line One Entity Address, Address Line One Bank 2 Bank 2 [Member] Bank 2 Vested, weighted average grant date fair value (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Income tax benefit (expense) Income Tax Expense (Benefit) Net Carrying Amount Deferred Initial Direct Cost, Lease, after Accumulated Amortization Preferred Equity Investments 6 pack Six Preferred Equity Investments [Member] Six Preferred Equity Investments Assumption of receivables and other assets related to consolidation of VIE and assumption of real estate Receivables and Other Assets Related to Variable Interest Entity Assumed Receivables and Other Assets Related to Variable Interest Entity Assumed Principles of Consolidation Consolidation, Policy [Policy Text Block] Total, Gross write-offs Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Schedule of Impaired Financing Receivable [Table] Schedule of Impaired Financing Receivable [Table] Primary beneficiary Variable Interest Entity, Primary Beneficiary [Member] (Increase) decrease of CECL reserve SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Increase (Decrease) in Change in Allowance for Loan Losses SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Increase (Decrease) in Change in Allowance for Loan Losses Cash and restricted cash received related to consolidation of loans held for investment and real estate owned Proceeds from Collection of Loans Receivable Statement [Table] Statement [Table] Share-Based Payment Arrangement, Tranche Two Share-Based Payment Arrangement, Tranche Two [Member] Year one Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Less: Accumulated depreciation Real Estate, Held-for-Sale, Accumulated Depreciation Real Estate, Held-for-Sale, Accumulated Depreciation Capitalized interest, net of repayments SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Capitalized Including Corporate Term Loan, Net SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Capitalized Including Corporate Term Loan, Net Federal funds rate Fed Funds Effective Rate Overnight Index Swap Rate [Member] Issuance and amortization of equity-based compensation (in shares) Stock Issued During Period, Shares, Share-based Compensation, Including Share-based Compensation, Requisite Service Period Recognition Stock Issued During Period, Shares, Share-based Compensation, Including Share-based Compensation, Requisite Service Period Recognition Bank 1 Bank 1 [Member] Bank 1 Deferred leasing costs and intangible assets, net Real Estate, Finite-Lived Intangible Assets And Deferred Leasing Costs, Net Real Estate, Finite-Lived Intangible Assets And Deferred Leasing Costs, Net Financing Receivable, Impaired [Line Items] Financing Receivable, Impaired [Line Items] Average risk rating Financing Receivable, Excluding Accrued Interest, Average Risk Rating Financing Receivable, Excluding Accrued Interest, Average Risk Rating