3.23.2 html 580 496 1 false 147 0 false 15 false false R1.htm 0000001 - Document - Cover Sheet http://www.brightspire.com/role/Cover Cover Cover 1 false false R2.htm 0000002 - Statement - CONSOLIDATED BALANCE SHEETS Sheet http://www.brightspire.com/role/CONSOLIDATEDBALANCESHEETS CONSOLIDATED BALANCE SHEETS Statements 2 false false R3.htm 0000003 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://www.brightspire.com/role/CONSOLIDATEDBALANCESHEETSParenthetical CONSOLIDATED BALANCE SHEETS (Parenthetical) Statements 3 false false R4.htm 0000004 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS Sheet http://www.brightspire.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS CONSOLIDATED STATEMENTS OF OPERATIONS Statements 4 false false R5.htm 0000005 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) Sheet http://www.brightspire.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONSParenthetical CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) Statements 5 false false R6.htm 0000006 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Sheet http://www.brightspire.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSS CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Statements 6 false false R7.htm 0000007 - Statement - CONSOLIDATED STATEMENTS OF EQUITY Sheet http://www.brightspire.com/role/CONSOLIDATEDSTATEMENTSOFEQUITY CONSOLIDATED STATEMENTS OF EQUITY Statements 7 false false R8.htm 0000008 - Statement - CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) Sheet http://www.brightspire.com/role/CONSOLIDATEDSTATEMENTSOFEQUITYParenthetical CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) Statements 8 false false R9.htm 0000009 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.brightspire.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 9 false false R10.htm 0000010 - Disclosure - Business and Organization Sheet http://www.brightspire.com/role/BusinessandOrganization Business and Organization Notes 10 false false R11.htm 0000011 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.brightspire.com/role/SummaryofSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 11 false false R12.htm 0000012 - Disclosure - Loans and Preferred Equity Held for Investment, net Sheet http://www.brightspire.com/role/LoansandPreferredEquityHeldforInvestmentnet Loans and Preferred Equity Held for Investment, net Notes 12 false false R13.htm 0000013 - Disclosure - Real Estate Securities Sheet http://www.brightspire.com/role/RealEstateSecurities Real Estate Securities Notes 13 false false R14.htm 0000014 - Disclosure - Real Estate, net Sheet http://www.brightspire.com/role/RealEstatenet Real Estate, net Notes 14 false false R15.htm 0000015 - Disclosure - Deferred Leasing Costs and Other Intangibles Sheet http://www.brightspire.com/role/DeferredLeasingCostsandOtherIntangibles Deferred Leasing Costs and Other Intangibles Notes 15 false false R16.htm 0000016 - Disclosure - Restricted Cash, Other Assets and Accrued and Other Liabilities Sheet http://www.brightspire.com/role/RestrictedCashOtherAssetsandAccruedandOtherLiabilities Restricted Cash, Other Assets and Accrued and Other Liabilities Notes 16 false false R17.htm 0000017 - Disclosure - Debt Sheet http://www.brightspire.com/role/Debt Debt Notes 17 false false R18.htm 0000018 - Disclosure - Related Party Arrangements Sheet http://www.brightspire.com/role/RelatedPartyArrangements Related Party Arrangements Notes 18 false false R19.htm 0000019 - Disclosure - Equity-Based Compensation Sheet http://www.brightspire.com/role/EquityBasedCompensation Equity-Based Compensation Notes 19 false false R20.htm 0000020 - Disclosure - Stockholders' Equity Sheet http://www.brightspire.com/role/StockholdersEquity Stockholders' Equity Notes 20 false false R21.htm 0000021 - Disclosure - Noncontrolling Interests Sheet http://www.brightspire.com/role/NoncontrollingInterests Noncontrolling Interests Notes 21 false false R22.htm 0000022 - Disclosure - Fair Value Sheet http://www.brightspire.com/role/FairValue Fair Value Notes 22 false false R23.htm 0000023 - Disclosure - Derivatives Sheet http://www.brightspire.com/role/Derivatives Derivatives Notes 23 false false R24.htm 0000024 - Disclosure - Commitments and Contingencies Sheet http://www.brightspire.com/role/CommitmentsandContingencies Commitments and Contingencies Notes 24 false false R25.htm 0000025 - Disclosure - Segment Reporting Sheet http://www.brightspire.com/role/SegmentReporting Segment Reporting Notes 25 false false R26.htm 0000026 - Disclosure - Earnings Per Share Sheet http://www.brightspire.com/role/EarningsPerShare Earnings Per Share Notes 26 false false R27.htm 0000027 - Disclosure - Subsequent Events Sheet http://www.brightspire.com/role/SubsequentEvents Subsequent Events Notes 27 false false R28.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 28 false false R29.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 29 false false R30.htm 9954701 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.brightspire.com/role/SummaryofSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://www.brightspire.com/role/SummaryofSignificantAccountingPolicies 30 false false R31.htm 9954702 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://www.brightspire.com/role/SummaryofSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) Tables http://www.brightspire.com/role/SummaryofSignificantAccountingPolicies 31 false false R32.htm 9954703 - Disclosure - Loans and Preferred Equity Held for Investment, net (Tables) Sheet http://www.brightspire.com/role/LoansandPreferredEquityHeldforInvestmentnetTables Loans and Preferred Equity Held for Investment, net (Tables) Tables http://www.brightspire.com/role/LoansandPreferredEquityHeldforInvestmentnet 32 false false R33.htm 9954704 - Disclosure - Real Estate Securities (Tables) Sheet http://www.brightspire.com/role/RealEstateSecuritiesTables Real Estate Securities (Tables) Tables http://www.brightspire.com/role/RealEstateSecurities 33 false false R34.htm 9954705 - Disclosure - Real Estate, net (Tables) Sheet http://www.brightspire.com/role/RealEstatenetTables Real Estate, net (Tables) Tables http://www.brightspire.com/role/RealEstatenet 34 false false R35.htm 9954706 - Disclosure - Deferred Leasing Costs and Other Intangibles (Tables) Sheet http://www.brightspire.com/role/DeferredLeasingCostsandOtherIntangiblesTables Deferred Leasing Costs and Other Intangibles (Tables) Tables http://www.brightspire.com/role/DeferredLeasingCostsandOtherIntangibles 35 false false R36.htm 9954707 - Disclosure - Restricted Cash, Other Assets and Accrued and Other Liabilities (Tables) Sheet http://www.brightspire.com/role/RestrictedCashOtherAssetsandAccruedandOtherLiabilitiesTables Restricted Cash, Other Assets and Accrued and Other Liabilities (Tables) Tables http://www.brightspire.com/role/RestrictedCashOtherAssetsandAccruedandOtherLiabilities 36 false false R37.htm 9954708 - Disclosure - Debt (Tables) Sheet http://www.brightspire.com/role/DebtTables Debt (Tables) Tables http://www.brightspire.com/role/Debt 37 false false R38.htm 9954709 - Disclosure - Equity-Based Compensation (Tables) Sheet http://www.brightspire.com/role/EquityBasedCompensationTables Equity-Based Compensation (Tables) Tables http://www.brightspire.com/role/EquityBasedCompensation 38 false false R39.htm 9954710 - Disclosure - Stockholders' Equity (Tables) Sheet http://www.brightspire.com/role/StockholdersEquityTables Stockholders' Equity (Tables) Tables http://www.brightspire.com/role/StockholdersEquity 39 false false R40.htm 9954711 - Disclosure - Fair Value (Tables) Sheet http://www.brightspire.com/role/FairValueTables Fair Value (Tables) Tables http://www.brightspire.com/role/FairValue 40 false false R41.htm 9954712 - Disclosure - Derivatives (Tables) Sheet http://www.brightspire.com/role/DerivativesTables Derivatives (Tables) Tables http://www.brightspire.com/role/Derivatives 41 false false R42.htm 9954713 - Disclosure - Commitments and Contingencies (Tables) Sheet http://www.brightspire.com/role/CommitmentsandContingenciesTables Commitments and Contingencies (Tables) Tables http://www.brightspire.com/role/CommitmentsandContingencies 42 false false R43.htm 9954714 - Disclosure - Segment Reporting (Tables) Sheet http://www.brightspire.com/role/SegmentReportingTables Segment Reporting (Tables) Tables http://www.brightspire.com/role/SegmentReporting 43 false false R44.htm 9954715 - Disclosure - Earnings Per Share (Tables) Sheet http://www.brightspire.com/role/EarningsPerShareTables Earnings Per Share (Tables) Tables http://www.brightspire.com/role/EarningsPerShare 44 false false R45.htm 9954716 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details) Sheet http://www.brightspire.com/role/SummaryofSignificantAccountingPoliciesAdditionalInformationDetails Summary of Significant Accounting Policies - Additional Information (Details) Details 45 false false R46.htm 9954717 - Disclosure - Summary of Significant Accounting Policies - Operating Real Estate Estimated Useful Lives (Details) Sheet http://www.brightspire.com/role/SummaryofSignificantAccountingPoliciesOperatingRealEstateEstimatedUsefulLivesDetails Summary of Significant Accounting Policies - Operating Real Estate Estimated Useful Lives (Details) Details 46 false false R47.htm 9954718 - Disclosure - Loans and Preferred Equity Held for Investment, net - Summary of Loans Held for Investment, Net (Details) Sheet http://www.brightspire.com/role/LoansandPreferredEquityHeldforInvestmentnetSummaryofLoansHeldforInvestmentNetDetails Loans and Preferred Equity Held for Investment, net - Summary of Loans Held for Investment, Net (Details) Details 47 false false R48.htm 9954719 - Disclosure - Loans and Preferred Equity Held for Investment, net - Narrative (Details) Sheet http://www.brightspire.com/role/LoansandPreferredEquityHeldforInvestmentnetNarrativeDetails Loans and Preferred Equity Held for Investment, net - Narrative (Details) Details http://www.brightspire.com/role/LoansandPreferredEquityHeldforInvestmentnetTables 48 false false R49.htm 9954720 - Disclosure - Loans and Preferred Equity Held for Investment, net - Activity in Loans Held for Investment, Net (Details) Sheet http://www.brightspire.com/role/LoansandPreferredEquityHeldforInvestmentnetActivityinLoansHeldforInvestmentNetDetails Loans and Preferred Equity Held for Investment, net - Activity in Loans Held for Investment, Net (Details) Details 49 false false R50.htm 9954721 - Disclosure - Loans and Preferred Equity Held for Investment, net - Nonaccrual and Past Due Loans (Details) Sheet http://www.brightspire.com/role/LoansandPreferredEquityHeldforInvestmentnetNonaccrualandPastDueLoansDetails Loans and Preferred Equity Held for Investment, net - Nonaccrual and Past Due Loans (Details) Details 50 false false R51.htm 9954722 - Disclosure - Loans and Preferred Equity Held for Investment, net - Changes in Allowance for Loan Losses (Details) Sheet http://www.brightspire.com/role/LoansandPreferredEquityHeldforInvestmentnetChangesinAllowanceforLoanLossesDetails Loans and Preferred Equity Held for Investment, net - Changes in Allowance for Loan Losses (Details) Details 51 false false R52.htm 9954723 - Disclosure - Loans and Preferred Equity Held for Investment, net - Summary of Loans and Preferred Equity Held for Investment by Year of Origination and Credit Quality Risk Ranking (Details) Sheet http://www.brightspire.com/role/LoansandPreferredEquityHeldforInvestmentnetSummaryofLoansandPreferredEquityHeldforInvestmentbyYearofOriginationandCreditQualityRiskRankingDetails Loans and Preferred Equity Held for Investment, net - Summary of Loans and Preferred Equity Held for Investment by Year of Origination and Credit Quality Risk Ranking (Details) Details 52 false false R53.htm 9954724 - Disclosure - Real Estate Securities - Activity Reported in Statement of Operations Related to Securitized Trust (Details) Sheet http://www.brightspire.com/role/RealEstateSecuritiesActivityReportedinStatementofOperationsRelatedtoSecuritizedTrustDetails Real Estate Securities - Activity Reported in Statement of Operations Related to Securitized Trust (Details) Details 53 false false R54.htm 9954725 - Disclosure - Real Estate, net - Real Estate Portfolios (Details) Sheet http://www.brightspire.com/role/RealEstatenetRealEstatePortfoliosDetails Real Estate, net - Real Estate Portfolios (Details) Details 54 false false R55.htm 9954726 - Disclosure - Real Estate, net - Depreciation Expense (Details) Sheet http://www.brightspire.com/role/RealEstatenetDepreciationExpenseDetails Real Estate, net - Depreciation Expense (Details) Details 55 false false R56.htm 9954727 - Disclosure - Real Estate, net - Property Operating Income (Details) Sheet http://www.brightspire.com/role/RealEstatenetPropertyOperatingIncomeDetails Real Estate, net - Property Operating Income (Details) Details 56 false false R57.htm 9954728 - Disclosure - Real Estate, net - Minimum Future Rents (Details) Sheet http://www.brightspire.com/role/RealEstatenetMinimumFutureRentsDetails Real Estate, net - Minimum Future Rents (Details) Details 57 false false R58.htm 9954729 - Disclosure - Real Estate, net - Commitments and Contractual Obligations (Details) Sheet http://www.brightspire.com/role/RealEstatenetCommitmentsandContractualObligationsDetails Real Estate, net - Commitments and Contractual Obligations (Details) Details 58 false false R59.htm 9954730 - Disclosure - Real Estate, net - Real Estate Acquisition (Details) Sheet http://www.brightspire.com/role/RealEstatenetRealEstateAcquisitionDetails Real Estate, net - Real Estate Acquisition (Details) Details 59 false false R60.htm 9954731 - Disclosure - Real Estate, net - Real Estate Sales (Details) Sheet http://www.brightspire.com/role/RealEstatenetRealEstateSalesDetails Real Estate, net - Real Estate Sales (Details) Details 60 false false R61.htm 9954732 - Disclosure - Deferred Leasing Costs and Other Intangibles - Schedule of Deferred Leasing Costs and Intangibles (Details) Sheet http://www.brightspire.com/role/DeferredLeasingCostsandOtherIntangiblesScheduleofDeferredLeasingCostsandIntangiblesDetails Deferred Leasing Costs and Other Intangibles - Schedule of Deferred Leasing Costs and Intangibles (Details) Details 61 false false R62.htm 9954733 - Disclosure - Deferred Leasing Costs and Other Intangibles - Summary of the Amortization of Deferred Leasing Costs and Intangibles (Details) Sheet http://www.brightspire.com/role/DeferredLeasingCostsandOtherIntangiblesSummaryoftheAmortizationofDeferredLeasingCostsandIntangiblesDetails Deferred Leasing Costs and Other Intangibles - Summary of the Amortization of Deferred Leasing Costs and Intangibles (Details) Details 62 false false R63.htm 9954734 - Disclosure - Deferred Leasing Costs and Other Intangibles - Schedule of Amortization of Deferred Leasing Costs, Intangible Assets and Intangible Liabilities (Details) Sheet http://www.brightspire.com/role/DeferredLeasingCostsandOtherIntangiblesScheduleofAmortizationofDeferredLeasingCostsIntangibleAssetsandIntangibleLiabilitiesDetails Deferred Leasing Costs and Other Intangibles - Schedule of Amortization of Deferred Leasing Costs, Intangible Assets and Intangible Liabilities (Details) Details 63 false false R64.htm 9954735 - Disclosure - Restricted Cash, Other Assets and Accrued and Other Liabilities - Summary of Restricted Cash (Details) Sheet http://www.brightspire.com/role/RestrictedCashOtherAssetsandAccruedandOtherLiabilitiesSummaryofRestrictedCashDetails Restricted Cash, Other Assets and Accrued and Other Liabilities - Summary of Restricted Cash (Details) Details 64 false false R65.htm 9954736 - Disclosure - Restricted Cash, Other Assets and Accrued and Other Liabilities - Summary of Deferred Costs and Other Assets, Net (Details) Sheet http://www.brightspire.com/role/RestrictedCashOtherAssetsandAccruedandOtherLiabilitiesSummaryofDeferredCostsandOtherAssetsNetDetails Restricted Cash, Other Assets and Accrued and Other Liabilities - Summary of Deferred Costs and Other Assets, Net (Details) Details 65 false false R66.htm 9954737 - Disclosure - Restricted Cash, Other Assets and Accrued and Other Liabilities - Summary of Other Liabilities (Details) Sheet http://www.brightspire.com/role/RestrictedCashOtherAssetsandAccruedandOtherLiabilitiesSummaryofOtherLiabilitiesDetails Restricted Cash, Other Assets and Accrued and Other Liabilities - Summary of Other Liabilities (Details) Details 66 false false R67.htm 9954738 - Disclosure - Restricted Cash, Other Assets and Accrued and Other Liabilities - Investments under Fair Value Option (Details) Sheet http://www.brightspire.com/role/RestrictedCashOtherAssetsandAccruedandOtherLiabilitiesInvestmentsunderFairValueOptionDetails Restricted Cash, Other Assets and Accrued and Other Liabilities - Investments under Fair Value Option (Details) Details 67 false false R68.htm 9954739 - Disclosure - Restricted Cash, Other Assets and Accrued and Other Liabilities - Investments in Unconsolidated Ventures (Details) Sheet http://www.brightspire.com/role/RestrictedCashOtherAssetsandAccruedandOtherLiabilitiesInvestmentsinUnconsolidatedVenturesDetails Restricted Cash, Other Assets and Accrued and Other Liabilities - Investments in Unconsolidated Ventures (Details) Details 68 false false R69.htm 9954740 - Disclosure - Debt - Schedule of Debt (Details) Sheet http://www.brightspire.com/role/DebtScheduleofDebtDetails Debt - Schedule of Debt (Details) Details 69 false false R70.htm 9954741 - Disclosure - Debt - Future Minimum Principal Payments (Details) Sheet http://www.brightspire.com/role/DebtFutureMinimumPrincipalPaymentsDetails Debt - Future Minimum Principal Payments (Details) Details 70 false false R71.htm 9954742 - Disclosure - Debt - Narrative (Details) Sheet http://www.brightspire.com/role/DebtNarrativeDetails Debt - Narrative (Details) Details 71 false false R72.htm 9954743 - Disclosure - Related Party Arrangements (Details) Sheet http://www.brightspire.com/role/RelatedPartyArrangementsDetails Related Party Arrangements (Details) Details http://www.brightspire.com/role/RelatedPartyArrangements 72 false false R73.htm 9954744 - Disclosure - Equity-Based Compensation - Narrative (Details) Sheet http://www.brightspire.com/role/EquityBasedCompensationNarrativeDetails Equity-Based Compensation - Narrative (Details) Details 73 false false R74.htm 9954745 - Disclosure - Equity-Based Compensation - Fair Value Assumptions (Details) Sheet http://www.brightspire.com/role/EquityBasedCompensationFairValueAssumptionsDetails Equity-Based Compensation - Fair Value Assumptions (Details) Details 74 false false R75.htm 9954746 - Disclosure - Equity-Based Compensation - Summary of Awards Granted or Vested (Details) Sheet http://www.brightspire.com/role/EquityBasedCompensationSummaryofAwardsGrantedorVestedDetails Equity-Based Compensation - Summary of Awards Granted or Vested (Details) Details 75 false false R76.htm 9954747 - Disclosure - Stockholders' Equity - Narrative (Details) Sheet http://www.brightspire.com/role/StockholdersEquityNarrativeDetails Stockholders' Equity - Narrative (Details) Details 76 false false R77.htm 9954748 - Disclosure - Stockholders' Equity - Dividends (Details) Sheet http://www.brightspire.com/role/StockholdersEquityDividendsDetails Stockholders' Equity - Dividends (Details) Details 77 false false R78.htm 9954749 - Disclosure - Stockholders' Equity - AOCI (Details) Sheet http://www.brightspire.com/role/StockholdersEquityAOCIDetails Stockholders' Equity - AOCI (Details) Details 78 false false R79.htm 9954750 - Disclosure - Noncontrolling Interests (Details) Sheet http://www.brightspire.com/role/NoncontrollingInterestsDetails Noncontrolling Interests (Details) Details http://www.brightspire.com/role/NoncontrollingInterests 79 false false R80.htm 9954751 - Disclosure - Fair Value - Financial Assets Measured on a Recurring Basis (Details) Sheet http://www.brightspire.com/role/FairValueFinancialAssetsMeasuredonaRecurringBasisDetails Fair Value - Financial Assets Measured on a Recurring Basis (Details) Details 80 false false R81.htm 9954752 - Disclosure - Fair Value - Changes in Fair Value of Financial Assets Measured on a Recurring Basis (Details) Sheet http://www.brightspire.com/role/FairValueChangesinFairValueofFinancialAssetsMeasuredonaRecurringBasisDetails Fair Value - Changes in Fair Value of Financial Assets Measured on a Recurring Basis (Details) Details 81 false false R82.htm 9954753 - Disclosure - Fair Value - Narrative (Details) Sheet http://www.brightspire.com/role/FairValueNarrativeDetails Fair Value - Narrative (Details) Details 82 false false R83.htm 9954754 - Disclosure - Fair Value - Principal Amount, Carrying Value and Fair Value of Assets and Liabilities (Details) Sheet http://www.brightspire.com/role/FairValuePrincipalAmountCarryingValueandFairValueofAssetsandLiabilitiesDetails Fair Value - Principal Amount, Carrying Value and Fair Value of Assets and Liabilities (Details) Details 83 false false R84.htm 9954755 - Disclosure - Fair Value - Fair Value - Summary of Assets Carried at Fair Value on a Nonrecurring Basis (Details) (Details) Sheet http://www.brightspire.com/role/FairValueFairValueSummaryofAssetsCarriedatFairValueonaNonrecurringBasisDetailsDetails Fair Value - Fair Value - Summary of Assets Carried at Fair Value on a Nonrecurring Basis (Details) (Details) Details 84 false false R85.htm 9954756 - Disclosure - Derivatives - Schedule of Derivatives Assets and Liabilities (Details) Sheet http://www.brightspire.com/role/DerivativesScheduleofDerivativesAssetsandLiabilitiesDetails Derivatives - Schedule of Derivatives Assets and Liabilities (Details) Details 85 false false R86.htm 9954757 - Disclosure - Derivatives - Narrative (Details) Sheet http://www.brightspire.com/role/DerivativesNarrativeDetails Derivatives - Narrative (Details) Details 86 false false R87.htm 9954758 - Disclosure - Derivatives - Summary Of Interest Rate Contracts (Details) Sheet http://www.brightspire.com/role/DerivativesSummaryOfInterestRateContractsDetails Derivatives - Summary Of Interest Rate Contracts (Details) Details 87 false false R88.htm 9954759 - Disclosure - Derivatives - Summary of Derivative Effects (Details) Sheet http://www.brightspire.com/role/DerivativesSummaryofDerivativeEffectsDetails Derivatives - Summary of Derivative Effects (Details) Details 88 false false R89.htm 9954760 - Disclosure - Derivatives - Offsetting Assets and Liabilities (Details) Sheet http://www.brightspire.com/role/DerivativesOffsettingAssetsandLiabilitiesDetails Derivatives - Offsetting Assets and Liabilities (Details) Details 89 false false R90.htm 9954761 - Disclosure - Commitments and Contingencies - Narrative (Details) Sheet http://www.brightspire.com/role/CommitmentsandContingenciesNarrativeDetails Commitments and Contingencies - Narrative (Details) Details 90 false false R91.htm 9954762 - Disclosure - Commitments and Contingencies - Summary of Lease Expense (Details) Sheet http://www.brightspire.com/role/CommitmentsandContingenciesSummaryofLeaseExpenseDetails Commitments and Contingencies - Summary of Lease Expense (Details) Details 91 false false R92.htm 9954763 - Disclosure - Commitments and Contingencies - Future Minimum Rental Payments, Ground Leases 2022 (Details) Sheet http://www.brightspire.com/role/CommitmentsandContingenciesFutureMinimumRentalPaymentsGroundLeases2022Details Commitments and Contingencies - Future Minimum Rental Payments, Ground Leases 2022 (Details) Details 92 false false R93.htm 9954764 - Disclosure - Commitments and Contingencies - Future Minimum Rental Payments - Office Lease 2022 (Details) Sheet http://www.brightspire.com/role/CommitmentsandContingenciesFutureMinimumRentalPaymentsOfficeLease2022Details Commitments and Contingencies - Future Minimum Rental Payments - Office Lease 2022 (Details) Details 93 false false R94.htm 9954765 - Disclosure - Segment Reporting - Additional Information (Details) Sheet http://www.brightspire.com/role/SegmentReportingAdditionalInformationDetails Segment Reporting - Additional Information (Details) Details 94 false false R95.htm 9954766 - Disclosure - Segment Reporting - Reportable Operating Segments (Details) Sheet http://www.brightspire.com/role/SegmentReportingReportableOperatingSegmentsDetails Segment Reporting - Reportable Operating Segments (Details) Details 95 false false R96.htm 9954767 - Disclosure - Segment Reporting - Total Income and Long-lived Assets by Geography (Details) Sheet http://www.brightspire.com/role/SegmentReportingTotalIncomeandLonglivedAssetsbyGeographyDetails Segment Reporting - Total Income and Long-lived Assets by Geography (Details) Details 96 false false R97.htm 9954768 - Disclosure - Earnings Per Share (Details) Sheet http://www.brightspire.com/role/EarningsPerShareDetails Earnings Per Share (Details) Details http://www.brightspire.com/role/EarningsPerShareTables 97 false false R98.htm 9954769 - Disclosure - Subsequent Events (Details) Sheet http://www.brightspire.com/role/SubsequentEventsDetails Subsequent Events (Details) Details http://www.brightspire.com/role/SubsequentEvents 98 false false All Reports Book All Reports [ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 12 fact(s) appearing in ix:hidden were eligible for transformation: brsp:AboveAndBelowMarketLeasesAmortizationExpenseIncome, brsp:DerivativeBasisSpreadOnVariableRateBenchmarkAdjustmentAdditionalLookbackPeriod, us-gaap:DebtInstrumentTerm, us-gaap:FiniteLivedIntangibleAssetUsefulLife, us-gaap:NoncontrollingInterestInNetIncomeLossJointVenturePartnersNonredeemable, us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage - brsp-20230630.htm 4 brsp-20230630.htm brsp-20230630.xsd brsp-20230630_cal.xml brsp-20230630_def.xml brsp-20230630_lab.xml brsp-20230630_pre.xml brsp06302023exhibit311.htm brsp06302023exhibit312.htm brsp06302023exhibit321.htm brsp06302023exhibit322.htm http://fasb.org/srt/2023 http://fasb.org/us-gaap/2023 http://xbrl.sec.gov/dei/2023 http://xbrl.sec.gov/ecd/2023 true true