000156252812/312021Q3FALSEhttp://fasb.org/us-gaap/2021-01-31#AccountingStandardsUpdate201613Member67P5YP5YP1YP1YP1YP1YP1YP1Y1.051.051.351.351.651.652.552.553.453.451.051.051.301.31.601.62.102.12.752.753.053.051.151.151.481.481.401.42.0022.402.42.852.851.101.301.602.053.003.500.125P3D0.10676700015625282021-01-012021-09-30xbrli:shares00015625282021-10-31iso4217:USD00015625282021-09-3000015625282020-12-310001562528us-gaap:CommercialMortgageBackedSecuritiesMember2021-09-300001562528us-gaap:CommercialMortgageBackedSecuritiesMember2020-12-310001562528bsprt:RealEstateSecuritiesMember2021-09-300001562528bsprt:RealEstateSecuritiesMember2020-12-31iso4217:USDxbrli:shares0001562528bsprt:ConvertibleSeriesAPreferredStockMember2021-09-300001562528bsprt:ConvertibleSeriesAPreferredStockMember2020-12-310001562528bsprt:ConvertibleSeriesCPreferredStockMember2021-09-300001562528bsprt:ConvertibleSeriesCPreferredStockMember2020-12-310001562528bsprt:ConvertibleSeriesDPreferredStockMember2020-12-310001562528bsprt:ConvertibleSeriesDPreferredStockMember2021-09-300001562528us-gaap:VariableInterestEntityPrimaryBeneficiaryMember2021-09-300001562528us-gaap:VariableInterestEntityPrimaryBeneficiaryMember2020-12-3100015625282021-07-012021-09-3000015625282020-07-012020-09-3000015625282020-01-012020-09-300001562528us-gaap:CommonStockMember2020-12-310001562528us-gaap:AdditionalPaidInCapitalMember2020-12-310001562528us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-12-310001562528us-gaap:RetainedEarningsMember2020-12-310001562528us-gaap:ParentMember2020-12-310001562528us-gaap:NoncontrollingInterestMember2020-12-310001562528us-gaap:CommonStockMember2021-01-012021-03-310001562528us-gaap:AdditionalPaidInCapitalMember2021-01-012021-03-310001562528us-gaap:ParentMember2021-01-012021-03-3100015625282021-01-012021-03-310001562528us-gaap:RetainedEarningsMember2021-01-012021-03-310001562528us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-01-012021-03-310001562528us-gaap:CommonStockMember2021-03-310001562528us-gaap:AdditionalPaidInCapitalMember2021-03-310001562528us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-03-310001562528us-gaap:RetainedEarningsMember2021-03-310001562528us-gaap:ParentMember2021-03-310001562528us-gaap:NoncontrollingInterestMember2021-03-3100015625282021-03-310001562528us-gaap:CommonStockMember2021-04-012021-06-300001562528us-gaap:AdditionalPaidInCapitalMember2021-04-012021-06-300001562528us-gaap:ParentMember2021-04-012021-06-3000015625282021-04-012021-06-300001562528us-gaap:RetainedEarningsMember2021-04-012021-06-300001562528us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-04-012021-06-300001562528us-gaap:CommonStockMember2021-06-300001562528us-gaap:AdditionalPaidInCapitalMember2021-06-300001562528us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-06-300001562528us-gaap:RetainedEarningsMember2021-06-300001562528us-gaap:ParentMember2021-06-300001562528us-gaap:NoncontrollingInterestMember2021-06-3000015625282021-06-300001562528us-gaap:CommonStockMember2021-07-012021-09-300001562528us-gaap:AdditionalPaidInCapitalMember2021-07-012021-09-300001562528us-gaap:ParentMember2021-07-012021-09-300001562528us-gaap:RetainedEarningsMember2021-07-012021-09-300001562528us-gaap:NoncontrollingInterestMember2021-07-012021-09-300001562528us-gaap:CommonStockMember2021-09-300001562528us-gaap:AdditionalPaidInCapitalMember2021-09-300001562528us-gaap:AccumulatedOtherComprehensiveIncomeMember2021-09-300001562528us-gaap:RetainedEarningsMember2021-09-300001562528us-gaap:ParentMember2021-09-300001562528us-gaap:NoncontrollingInterestMember2021-09-300001562528us-gaap:CommonStockMember2019-12-310001562528us-gaap:AdditionalPaidInCapitalMember2019-12-310001562528us-gaap:AccumulatedOtherComprehensiveIncomeMember2019-12-310001562528us-gaap:RetainedEarningsMember2019-12-310001562528us-gaap:ParentMember2019-12-3100015625282019-12-3100015625282020-01-012020-03-310001562528us-gaap:CommonStockMember2020-01-012020-03-310001562528us-gaap:AdditionalPaidInCapitalMember2020-01-012020-03-310001562528us-gaap:ParentMember2020-01-012020-03-310001562528us-gaap:RetainedEarningsMember2020-01-012020-03-3100015625282020-01-012020-06-300001562528srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberus-gaap:RetainedEarningsMember2019-12-310001562528us-gaap:ParentMembersrt:CumulativeEffectPeriodOfAdoptionAdjustmentMember2019-12-310001562528srt:CumulativeEffectPeriodOfAdoptionAdjustmentMember2019-12-310001562528us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-01-012020-03-310001562528us-gaap:CommonStockMember2020-03-310001562528us-gaap:AdditionalPaidInCapitalMember2020-03-310001562528us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-03-310001562528us-gaap:RetainedEarningsMember2020-03-310001562528us-gaap:ParentMember2020-03-310001562528us-gaap:NoncontrollingInterestMember2020-03-3100015625282020-03-310001562528us-gaap:AdditionalPaidInCapitalMember2020-04-012020-06-300001562528us-gaap:ParentMember2020-04-012020-06-3000015625282020-04-012020-06-300001562528us-gaap:CommonStockMember2020-04-012020-06-300001562528us-gaap:RetainedEarningsMember2020-04-012020-06-300001562528us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-04-012020-06-300001562528us-gaap:CommonStockMember2020-06-300001562528us-gaap:AdditionalPaidInCapitalMember2020-06-300001562528us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-06-300001562528us-gaap:RetainedEarningsMember2020-06-300001562528us-gaap:ParentMember2020-06-300001562528us-gaap:NoncontrollingInterestMember2020-06-3000015625282020-06-300001562528us-gaap:CommonStockMember2020-07-012020-09-300001562528us-gaap:AdditionalPaidInCapitalMember2020-07-012020-09-300001562528us-gaap:ParentMember2020-07-012020-09-300001562528us-gaap:RetainedEarningsMember2020-07-012020-09-300001562528us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-07-012020-09-300001562528us-gaap:CommonStockMember2020-09-300001562528us-gaap:AdditionalPaidInCapitalMember2020-09-300001562528us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-09-300001562528us-gaap:RetainedEarningsMember2020-09-300001562528us-gaap:ParentMember2020-09-300001562528us-gaap:NoncontrollingInterestMember2020-09-3000015625282020-09-300001562528us-gaap:BuildingAndBuildingImprovementsMember2021-01-012021-09-300001562528us-gaap:FurnitureAndFixturesMember2021-01-012021-09-30xbrli:purebsprt:segment0001562528bsprt:ConvertibleSeriesAPreferredStockMember2021-01-012021-09-300001562528bsprt:ConvertibleSeriesCPreferredStockMember2021-01-012021-09-300001562528bsprt:ConvertiblePreferredStockPurchaseAgreementsMembersrt:ScenarioForecastMember2022-10-190001562528srt:ScenarioForecastMember2022-10-192022-10-190001562528us-gaap:SeniorLoansMember2021-09-300001562528us-gaap:SeniorLoansMember2020-12-310001562528bsprt:MezzanineLoansMember2021-09-300001562528bsprt:MezzanineLoansMember2020-12-31bsprt:loan0001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMember2021-01-012021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMember2020-01-012020-12-310001562528srt:MultifamilyMemberus-gaap:CommercialPortfolioSegmentMember2021-06-300001562528srt:RetailSiteMemberus-gaap:CommercialPortfolioSegmentMember2021-06-300001562528srt:OfficeBuildingMemberus-gaap:CommercialPortfolioSegmentMember2021-06-300001562528srt:IndustrialPropertyMemberus-gaap:CommercialPortfolioSegmentMember2021-06-300001562528bsprt:MixedUseMemberus-gaap:CommercialPortfolioSegmentMember2021-06-300001562528srt:HotelMemberus-gaap:CommercialPortfolioSegmentMember2021-06-300001562528bsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMember2021-06-300001562528bsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMember2021-06-300001562528us-gaap:CommercialPortfolioSegmentMember2021-06-300001562528srt:MultifamilyMemberus-gaap:CommercialPortfolioSegmentMember2021-07-012021-09-300001562528srt:RetailSiteMemberus-gaap:CommercialPortfolioSegmentMember2021-07-012021-09-300001562528srt:OfficeBuildingMemberus-gaap:CommercialPortfolioSegmentMember2021-07-012021-09-300001562528srt:IndustrialPropertyMemberus-gaap:CommercialPortfolioSegmentMember2021-07-012021-09-300001562528bsprt:MixedUseMemberus-gaap:CommercialPortfolioSegmentMember2021-07-012021-09-300001562528srt:HotelMemberus-gaap:CommercialPortfolioSegmentMember2021-07-012021-09-300001562528bsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMember2021-07-012021-09-300001562528bsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMember2021-07-012021-09-300001562528us-gaap:CommercialPortfolioSegmentMember2021-07-012021-09-300001562528srt:MultifamilyMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528srt:RetailSiteMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528srt:OfficeBuildingMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528srt:IndustrialPropertyMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:MixedUseMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528srt:HotelMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528us-gaap:CommercialPortfolioSegmentMember2021-09-300001562528srt:MultifamilyMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528srt:RetailSiteMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528srt:OfficeBuildingMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528srt:IndustrialPropertyMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:MixedUseMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528srt:HotelMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528us-gaap:CommercialPortfolioSegmentMember2020-12-310001562528srt:MultifamilyMemberus-gaap:CommercialPortfolioSegmentMember2021-01-012021-09-300001562528srt:RetailSiteMemberus-gaap:CommercialPortfolioSegmentMember2021-01-012021-09-300001562528srt:OfficeBuildingMemberus-gaap:CommercialPortfolioSegmentMember2021-01-012021-09-300001562528srt:IndustrialPropertyMemberus-gaap:CommercialPortfolioSegmentMember2021-01-012021-09-300001562528bsprt:MixedUseMemberus-gaap:CommercialPortfolioSegmentMember2021-01-012021-09-300001562528srt:HotelMemberus-gaap:CommercialPortfolioSegmentMember2021-01-012021-09-300001562528bsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMember2021-01-012021-09-300001562528bsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMember2021-01-012021-09-300001562528us-gaap:CommercialPortfolioSegmentMember2021-01-012021-09-300001562528srt:MultifamilyMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-06-300001562528srt:RetailSiteMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-06-300001562528srt:OfficeBuildingMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-06-300001562528srt:IndustrialPropertyMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-06-300001562528bsprt:MixedUseMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-06-300001562528srt:HotelMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-06-300001562528bsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-06-300001562528bsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-06-300001562528us-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-06-300001562528srt:MultifamilyMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-07-012021-09-300001562528srt:RetailSiteMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-07-012021-09-300001562528srt:OfficeBuildingMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-07-012021-09-300001562528srt:IndustrialPropertyMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-07-012021-09-300001562528bsprt:MixedUseMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-07-012021-09-300001562528srt:HotelMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-07-012021-09-300001562528bsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-07-012021-09-300001562528bsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-07-012021-09-300001562528us-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-07-012021-09-300001562528srt:MultifamilyMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-09-300001562528srt:RetailSiteMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-09-300001562528srt:OfficeBuildingMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-09-300001562528srt:IndustrialPropertyMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-09-300001562528bsprt:MixedUseMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-09-300001562528srt:HotelMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-09-300001562528bsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-09-300001562528bsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-09-300001562528us-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-09-300001562528srt:MultifamilyMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2020-12-310001562528srt:RetailSiteMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2020-12-310001562528srt:OfficeBuildingMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2020-12-310001562528srt:IndustrialPropertyMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2020-12-310001562528bsprt:MixedUseMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2020-12-310001562528srt:HotelMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2020-12-310001562528bsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2020-12-310001562528bsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2020-12-310001562528us-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2020-12-310001562528srt:MultifamilyMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-01-012021-09-300001562528srt:RetailSiteMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-01-012021-09-300001562528srt:OfficeBuildingMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-01-012021-09-300001562528srt:IndustrialPropertyMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-01-012021-09-300001562528bsprt:MixedUseMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-01-012021-09-300001562528srt:HotelMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-01-012021-09-300001562528bsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-01-012021-09-300001562528bsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-01-012021-09-300001562528us-gaap:CommercialPortfolioSegmentMemberus-gaap:UnfundedLoanCommitmentMember2021-01-012021-09-300001562528srt:MultifamilyMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2021-09-300001562528srt:MultifamilyMemberus-gaap:CustomerConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMember2021-01-012021-09-300001562528srt:MultifamilyMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2020-12-310001562528srt:MultifamilyMemberus-gaap:CustomerConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMember2020-01-012020-12-310001562528srt:OfficeBuildingMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2021-09-300001562528srt:OfficeBuildingMemberus-gaap:CustomerConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMember2021-01-012021-09-300001562528srt:OfficeBuildingMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2020-12-310001562528srt:OfficeBuildingMemberus-gaap:CustomerConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMember2020-01-012020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMembersrt:HotelMember2021-09-300001562528us-gaap:CustomerConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMembersrt:HotelMember2021-01-012021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMembersrt:HotelMember2020-12-310001562528us-gaap:CustomerConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMembersrt:HotelMember2020-01-012020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:MixedUseMember2021-09-300001562528us-gaap:CustomerConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberbsprt:MixedUseMember2021-01-012021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:MixedUseMember2020-12-310001562528us-gaap:CustomerConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberbsprt:MixedUseMember2020-01-012020-12-310001562528srt:IndustrialPropertyMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2021-09-300001562528us-gaap:CustomerConcentrationRiskMembersrt:IndustrialPropertyMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMember2021-01-012021-09-300001562528srt:IndustrialPropertyMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2020-12-310001562528us-gaap:CustomerConcentrationRiskMembersrt:IndustrialPropertyMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMember2020-01-012020-12-310001562528srt:RetailSiteMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2021-09-300001562528us-gaap:CustomerConcentrationRiskMembersrt:RetailSiteMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMember2021-01-012021-09-300001562528srt:RetailSiteMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2020-12-310001562528us-gaap:CustomerConcentrationRiskMembersrt:RetailSiteMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMember2020-01-012020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:SelfStorageMember2021-09-300001562528us-gaap:CustomerConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberbsprt:SelfStorageMember2021-01-012021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:SelfStorageMember2020-12-310001562528us-gaap:CustomerConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberbsprt:SelfStorageMember2020-01-012020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:ManufacturedHousingMember2021-09-300001562528us-gaap:CustomerConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberbsprt:ManufacturedHousingMember2021-01-012021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:ManufacturedHousingMember2020-12-310001562528us-gaap:CustomerConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberbsprt:ManufacturedHousingMember2020-01-012020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:LandMember2021-09-300001562528us-gaap:CustomerConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberus-gaap:LandMember2021-01-012021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:LandMember2020-12-310001562528us-gaap:CustomerConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberus-gaap:LandMember2020-01-012020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMember2021-09-300001562528us-gaap:CustomerConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMember2021-01-012021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMember2020-12-310001562528us-gaap:CustomerConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMember2020-01-012020-12-310001562528bsprt:SoutheastMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2021-09-300001562528bsprt:SoutheastMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMember2021-01-012021-09-300001562528bsprt:SoutheastMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2020-12-310001562528bsprt:SoutheastMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMember2020-01-012020-12-310001562528bsprt:SouthwestMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2021-09-300001562528bsprt:SouthwestMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMember2021-01-012021-09-300001562528bsprt:SouthwestMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2020-12-310001562528bsprt:SouthwestMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMember2020-01-012020-12-310001562528bsprt:MideastMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2021-09-300001562528bsprt:MideastMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMember2021-01-012021-09-300001562528bsprt:MideastMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2020-12-310001562528bsprt:MideastMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMember2020-01-012020-12-310001562528bsprt:FarWestMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2021-09-300001562528bsprt:FarWestMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMember2021-01-012021-09-300001562528bsprt:FarWestMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2020-12-310001562528bsprt:FarWestMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMember2020-01-012020-12-310001562528bsprt:GreatLakesMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2021-09-300001562528bsprt:GreatLakesMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMember2021-01-012021-09-300001562528bsprt:GreatLakesMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2020-12-310001562528bsprt:GreatLakesMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMember2020-01-012020-12-310001562528bsprt:PlainsMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2021-09-300001562528bsprt:PlainsMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMember2021-01-012021-09-300001562528bsprt:PlainsMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2020-12-310001562528bsprt:PlainsMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMember2020-01-012020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:VariousMember2021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberbsprt:VariousMemberus-gaap:GeographicConcentrationRiskMember2021-01-012021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:VariousMember2020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberbsprt:VariousMemberus-gaap:GeographicConcentrationRiskMember2020-01-012020-12-310001562528bsprt:NewEnglandMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2021-09-300001562528bsprt:NewEnglandMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMember2021-01-012021-09-300001562528bsprt:NewEnglandMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2020-12-310001562528bsprt:NewEnglandMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMember2020-01-012020-12-310001562528bsprt:RockyMountainMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2021-09-300001562528bsprt:RockyMountainMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMember2021-01-012021-09-300001562528bsprt:RockyMountainMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2020-12-310001562528bsprt:RockyMountainMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMember2020-01-012020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMember2021-01-012021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMember2020-01-012020-12-310001562528bsprt:CommercialMortgageReceivableHeldForSaleMember2021-01-012021-09-300001562528bsprt:CommercialMortgageReceivableHeldForSaleMember2020-01-012020-12-310001562528bsprt:CommercialMortgageReceivableHeldForSaleMember2021-09-300001562528bsprt:CommercialMortgageReceivableHeldForSaleMember2020-12-310001562528srt:MultifamilyMemberbsprt:CommercialMortgageReceivableHeldForSaleMember2021-09-300001562528srt:MultifamilyMemberus-gaap:CustomerConcentrationRiskMemberus-gaap:MortgageReceivablesMemberbsprt:CommercialMortgageReceivableHeldForSaleMember2021-01-012021-09-300001562528srt:MultifamilyMemberbsprt:CommercialMortgageReceivableHeldForSaleMember2020-12-310001562528srt:MultifamilyMemberus-gaap:CustomerConcentrationRiskMemberus-gaap:MortgageReceivablesMemberbsprt:CommercialMortgageReceivableHeldForSaleMember2020-01-012020-12-310001562528srt:IndustrialPropertyMemberbsprt:CommercialMortgageReceivableHeldForSaleMember2021-09-300001562528us-gaap:CustomerConcentrationRiskMembersrt:IndustrialPropertyMemberus-gaap:MortgageReceivablesMemberbsprt:CommercialMortgageReceivableHeldForSaleMember2021-01-012021-09-300001562528srt:IndustrialPropertyMemberbsprt:CommercialMortgageReceivableHeldForSaleMember2020-12-310001562528us-gaap:CustomerConcentrationRiskMembersrt:IndustrialPropertyMemberus-gaap:MortgageReceivablesMemberbsprt:CommercialMortgageReceivableHeldForSaleMember2020-01-012020-12-310001562528us-gaap:CustomerConcentrationRiskMemberus-gaap:MortgageReceivablesMemberbsprt:CommercialMortgageReceivableHeldForSaleMember2021-01-012021-09-300001562528us-gaap:CustomerConcentrationRiskMemberus-gaap:MortgageReceivablesMemberbsprt:CommercialMortgageReceivableHeldForSaleMember2020-01-012020-12-310001562528bsprt:GreatLakesMemberbsprt:CommercialMortgageReceivableHeldForSaleMember2021-09-300001562528bsprt:GreatLakesMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForSaleMember2021-01-012021-09-300001562528bsprt:GreatLakesMemberbsprt:CommercialMortgageReceivableHeldForSaleMember2020-12-310001562528bsprt:GreatLakesMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForSaleMember2020-01-012020-12-310001562528bsprt:FarWestMemberbsprt:CommercialMortgageReceivableHeldForSaleMember2021-09-300001562528bsprt:FarWestMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForSaleMember2021-01-012021-09-300001562528bsprt:FarWestMemberbsprt:CommercialMortgageReceivableHeldForSaleMember2020-12-310001562528bsprt:FarWestMemberus-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForSaleMember2020-01-012020-12-310001562528us-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForSaleMember2021-01-012021-09-300001562528us-gaap:MortgageReceivablesMemberus-gaap:GeographicConcentrationRiskMemberbsprt:CommercialMortgageReceivableHeldForSaleMember2020-01-012020-12-310001562528bsprt:OneTwoInternalCreditRatingMembersrt:MultifamilyMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:ThreeFourInternalCreditAssessmentMembersrt:MultifamilyMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528srt:MultifamilyMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:OneTwoInternalCreditRatingMembersrt:RetailSiteMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:ThreeFourInternalCreditAssessmentMembersrt:RetailSiteMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528srt:RetailSiteMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528srt:OfficeBuildingMemberbsprt:OneTwoInternalCreditRatingMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:ThreeFourInternalCreditAssessmentMembersrt:OfficeBuildingMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528srt:OfficeBuildingMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:OneTwoInternalCreditRatingMembersrt:IndustrialPropertyMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:ThreeFourInternalCreditAssessmentMembersrt:IndustrialPropertyMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528srt:IndustrialPropertyMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:OneTwoInternalCreditRatingMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:MixedUseMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:ThreeFourInternalCreditAssessmentMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:MixedUseMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:MixedUseMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:OneTwoInternalCreditRatingMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMembersrt:HotelMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:ThreeFourInternalCreditAssessmentMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMembersrt:HotelMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMembersrt:HotelMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:OneTwoInternalCreditRatingMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:ThreeFourInternalCreditAssessmentMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:OneTwoInternalCreditRatingMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:ThreeFourInternalCreditAssessmentMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:OneTwoInternalCreditRatingMembersrt:MultifamilyMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:ThreeFourInternalCreditAssessmentMembersrt:MultifamilyMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528srt:MultifamilyMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:OneTwoInternalCreditRatingMembersrt:RetailSiteMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:ThreeFourInternalCreditAssessmentMembersrt:RetailSiteMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528srt:RetailSiteMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528srt:OfficeBuildingMemberbsprt:OneTwoInternalCreditRatingMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:ThreeFourInternalCreditAssessmentMembersrt:OfficeBuildingMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528srt:OfficeBuildingMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:OneTwoInternalCreditRatingMembersrt:IndustrialPropertyMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:ThreeFourInternalCreditAssessmentMembersrt:IndustrialPropertyMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528srt:IndustrialPropertyMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:OneTwoInternalCreditRatingMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:MixedUseMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:ThreeFourInternalCreditAssessmentMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:MixedUseMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:MixedUseMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:OneTwoInternalCreditRatingMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMembersrt:HotelMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:ThreeFourInternalCreditAssessmentMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMembersrt:HotelMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMembersrt:HotelMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:OneTwoInternalCreditRatingMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:ThreeFourInternalCreditAssessmentMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:OneTwoInternalCreditRatingMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:ThreeFourInternalCreditAssessmentMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:CommercialPortfolioSegmentMember2020-12-310001562528bsprt:FinancingReceivableHeldtoMaturityMembersrt:MultifamilyMemberus-gaap:FinancialAssetNotPastDueMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancialAssetNotPastDueMembersrt:RetailSiteMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528srt:OfficeBuildingMemberbsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancialAssetNotPastDueMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancialAssetNotPastDueMembersrt:IndustrialPropertyMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancialAssetNotPastDueMemberbsprt:MixedUseMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancialAssetNotPastDueMembersrt:HotelMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancialAssetNotPastDueMemberbsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancialAssetNotPastDueMemberbsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancialAssetNotPastDueMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancingReceivables1To29DaysPastDueMembersrt:MultifamilyMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancingReceivables1To29DaysPastDueMembersrt:RetailSiteMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528srt:OfficeBuildingMemberbsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancingReceivables1To29DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancingReceivables1To29DaysPastDueMembersrt:IndustrialPropertyMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancingReceivables1To29DaysPastDueMemberbsprt:MixedUseMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancingReceivables1To29DaysPastDueMembersrt:HotelMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancingReceivables1To29DaysPastDueMemberbsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancingReceivables1To29DaysPastDueMemberbsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancingReceivables1To29DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528us-gaap:FinancingReceivables30To59DaysPastDueMemberbsprt:FinancingReceivableHeldtoMaturityMembersrt:MultifamilyMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528us-gaap:FinancingReceivables30To59DaysPastDueMemberbsprt:FinancingReceivableHeldtoMaturityMembersrt:RetailSiteMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528us-gaap:FinancingReceivables30To59DaysPastDueMembersrt:OfficeBuildingMemberbsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528us-gaap:FinancingReceivables30To59DaysPastDueMemberbsprt:FinancingReceivableHeldtoMaturityMembersrt:IndustrialPropertyMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528us-gaap:FinancingReceivables30To59DaysPastDueMemberbsprt:FinancingReceivableHeldtoMaturityMemberbsprt:MixedUseMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528us-gaap:FinancingReceivables30To59DaysPastDueMemberbsprt:FinancingReceivableHeldtoMaturityMembersrt:HotelMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528us-gaap:FinancingReceivables30To59DaysPastDueMemberbsprt:FinancingReceivableHeldtoMaturityMemberbsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528us-gaap:FinancingReceivables30To59DaysPastDueMemberbsprt:FinancingReceivableHeldtoMaturityMemberbsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528us-gaap:FinancingReceivables30To59DaysPastDueMemberbsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancingReceivables60To89DaysPastDueMembersrt:MultifamilyMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancingReceivables60To89DaysPastDueMembersrt:RetailSiteMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528srt:OfficeBuildingMemberbsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancingReceivables60To89DaysPastDueMembersrt:IndustrialPropertyMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberbsprt:MixedUseMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancingReceivables60To89DaysPastDueMembersrt:HotelMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberbsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberbsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMembersrt:MultifamilyMemberbsprt:FinancialAsset90to119DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMembersrt:RetailSiteMemberbsprt:FinancialAsset90to119DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528srt:OfficeBuildingMemberbsprt:FinancingReceivableHeldtoMaturityMemberbsprt:FinancialAsset90to119DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMembersrt:IndustrialPropertyMemberbsprt:FinancialAsset90to119DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberbsprt:MixedUseMemberbsprt:FinancialAsset90to119DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberbsprt:FinancialAsset90to119DaysPastDueMembersrt:HotelMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberbsprt:FinancialAsset90to119DaysPastDueMemberbsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberbsprt:FinancialAsset90to119DaysPastDueMemberbsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberbsprt:FinancialAsset90to119DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMembersrt:MultifamilyMemberbsprt:FinancialAssetGreaterthan120DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMembersrt:RetailSiteMemberbsprt:FinancialAssetGreaterthan120DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528srt:OfficeBuildingMemberbsprt:FinancingReceivableHeldtoMaturityMemberbsprt:FinancialAssetGreaterthan120DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMembersrt:IndustrialPropertyMemberbsprt:FinancialAssetGreaterthan120DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberbsprt:MixedUseMemberbsprt:FinancialAssetGreaterthan120DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberbsprt:FinancialAssetGreaterthan120DaysPastDueMembersrt:HotelMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberbsprt:FinancialAssetGreaterthan120DaysPastDueMemberbsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberbsprt:FinancialAssetGreaterthan120DaysPastDueMemberbsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberbsprt:FinancialAssetGreaterthan120DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMembersrt:MultifamilyMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMembersrt:RetailSiteMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528srt:OfficeBuildingMemberbsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMembersrt:IndustrialPropertyMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberbsprt:MixedUseMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMembersrt:HotelMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberbsprt:SelfStorageMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberbsprt:ManufacturedHousingMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:FinancingReceivableHeldtoMaturityMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:NonperformingFinancingReceivableMemberus-gaap:CommercialPortfolioSegmentMember2021-01-012021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:NonperformingFinancingReceivableMemberus-gaap:CommercialPortfolioSegmentMember2021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:NonperformingFinancingReceivableMemberus-gaap:CommercialPortfolioSegmentMember2020-01-012020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:NonperformingFinancingReceivableMemberus-gaap:CommercialPortfolioSegmentMember2020-12-31bsprt:rating00015625282020-01-012020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:InvestmentRating1Member2021-01-012021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:InvestmentRating1Member2021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:InvestmentRating1Member2020-01-012020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:InvestmentRating1Member2020-12-310001562528bsprt:InvestmentRating2Memberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2021-01-012021-09-300001562528bsprt:InvestmentRating2Memberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2021-09-300001562528bsprt:InvestmentRating2Memberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2020-01-012020-12-310001562528bsprt:InvestmentRating2Memberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:InvestmentRating3Member2021-01-012021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:InvestmentRating3Member2021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:InvestmentRating3Member2020-01-012020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:InvestmentRating3Member2020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:InvestmentRating4Member2021-01-012021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:InvestmentRating4Member2021-09-300001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:InvestmentRating4Member2020-01-012020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMemberbsprt:InvestmentRating4Member2020-12-310001562528bsprt:InvestmentRating5Memberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2021-01-012021-09-300001562528bsprt:InvestmentRating5Memberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2021-09-300001562528bsprt:InvestmentRating5Memberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2020-01-012020-12-310001562528bsprt:InvestmentRating5Memberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2020-12-310001562528bsprt:CommercialMortgageReceivableHeldForInvestmentMember2019-12-310001562528srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2019-12-310001562528us-gaap:RealEstateAcquiredInSatisfactionOfDebtMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2021-01-012021-09-300001562528us-gaap:RealEstateAcquiredInSatisfactionOfDebtMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMember2021-09-300001562528us-gaap:RealEstateAcquiredInSatisfactionOfDebtMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:LandBuildingsAndImprovementsMember2021-09-300001562528us-gaap:RealEstateAcquiredInSatisfactionOfDebtMemberbsprt:CommercialMortgageReceivableHeldForInvestmentMemberus-gaap:FurnitureAndFixturesMember2021-09-300001562528us-gaap:RealEstateAcquiredInSatisfactionOfDebtMember2021-01-012021-01-310001562528bsprt:CommercialMortgageBackedSecuritiesOneMember2020-12-310001562528bsprt:CommercialMortgageBackedSecuritiesTwoMember2020-12-310001562528bsprt:CommercialMortgageBackedSecuritiesThreeMember2020-12-310001562528bsprt:CommercialMortgageBackedSecuritiesFourMember2020-12-310001562528bsprt:CommercialMortgageBackedSecuritiesFiveMember2020-12-310001562528bsprt:CommercialMortgageBackedSecuritiesSixMember2020-12-310001562528bsprt:CommercialMortgageBackedSecuritiesSevenMember2020-12-310001562528bsprt:CommercialMortgageBackedSecuritiesEightMember2020-12-310001562528bsprt:CommercialMortgageBackedSecuritiesNineMember2020-12-310001562528us-gaap:CollateralizedLoanObligationsMember2020-01-012020-12-310001562528bsprt:SASBInvestmentsMember2020-01-012020-12-310001562528us-gaap:CollateralizedLoanObligationsMember2020-12-310001562528bsprt:SASBInvestmentsMember2020-12-31bsprt:investmentbsprt:security0001562528bsprt:JeffersonvilleGeorgiaMembersrt:IndustrialPropertyMemberus-gaap:LandMember2021-09-300001562528bsprt:JeffersonvilleGeorgiaMembersrt:IndustrialPropertyMemberus-gaap:BuildingAndBuildingImprovementsMember2021-09-300001562528bsprt:JeffersonvilleGeorgiaMembersrt:IndustrialPropertyMemberbsprt:FurnitureFixturesandEquipmentMember2021-09-300001562528bsprt:JeffersonvilleGeorgiaMembersrt:IndustrialPropertyMember2021-09-300001562528us-gaap:LandMember2021-09-300001562528us-gaap:BuildingAndBuildingImprovementsMember2021-09-300001562528bsprt:FurnitureFixturesandEquipmentMember2021-09-300001562528srt:OfficeBuildingMemberbsprt:JeffersonvilleIndianaMemberus-gaap:LandMember2020-12-310001562528srt:OfficeBuildingMemberus-gaap:BuildingAndBuildingImprovementsMemberbsprt:JeffersonvilleIndianaMember2020-12-310001562528srt:OfficeBuildingMemberbsprt:FurnitureFixturesandEquipmentMemberbsprt:JeffersonvilleIndianaMember2020-12-310001562528srt:OfficeBuildingMemberbsprt:JeffersonvilleIndianaMember2020-12-310001562528us-gaap:LandMember2020-12-310001562528us-gaap:BuildingAndBuildingImprovementsMember2020-12-310001562528bsprt:FurnitureFixturesandEquipmentMember2020-12-310001562528srt:OfficeBuildingMemberus-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperationsMemberbsprt:JeffersonvilleIndianaMember2021-01-012021-09-300001562528bsprt:JeffersonvilleGeorgiaMembersrt:IndustrialPropertyMember2021-09-170001562528bsprt:JeffersonvilleGeorgiaMemberbsprt:FranklinBSPRealtyTrustIncMembersrt:IndustrialPropertyMember2021-08-310001562528bsprt:JeffersonvilleGeorgiaMemberbsprt:JVAffiliateMembersrt:IndustrialPropertyMember2021-08-310001562528us-gaap:MortgagesMemberbsprt:September2021MortgageNotePayableEliminatedInConsolidationMemberbsprt:JeffersonvilleGeorgiaMemberbsprt:FranklinBSPRealtyTrustIncMembersrt:IndustrialPropertyMember2021-08-310001562528us-gaap:MortgagesMemberbsprt:JeffersonvilleGeorgiaMembersrt:IndustrialPropertyMemberbsprt:JVAffiliateMemberbsprt:September2021MortgageNotePayableAffiliateMember2021-08-31bsprt:extension0001562528bsprt:JeffersonvilleGeorgiaMembersrt:IndustrialPropertyMember2021-07-012021-09-300001562528bsprt:JeffersonvilleGeorgiaMembersrt:IndustrialPropertyMember2021-01-012021-09-300001562528srt:OfficeBuildingMemberbsprt:JeffersonvilleIndianaMember2019-10-150001562528srt:OfficeBuildingMemberbsprt:JeffersonvilleIndianaMember2021-07-012021-09-300001562528srt:OfficeBuildingMemberbsprt:JeffersonvilleIndianaMember2021-01-012021-09-300001562528srt:OfficeBuildingMemberbsprt:JeffersonvilleIndianaMember2020-07-012020-09-300001562528srt:OfficeBuildingMemberbsprt:JeffersonvilleIndianaMember2020-01-012020-09-300001562528srt:MinimumMember2021-01-012021-09-300001562528srt:MaximumMember2021-01-012021-09-300001562528us-gaap:RevolvingCreditFacilityMemberbsprt:JPMRepoFacilityMember2021-09-300001562528us-gaap:RevolvingCreditFacilityMemberbsprt:JPMRepoFacilityMember2021-01-012021-09-300001562528bsprt:CSRepoFacilityMemberus-gaap:RevolvingCreditFacilityMember2021-09-300001562528bsprt:CSRepoFacilityMemberus-gaap:RevolvingCreditFacilityMember2021-01-012021-09-300001562528bsprt:WFRepoFacilityMemberus-gaap:RevolvingCreditFacilityMember2021-09-300001562528bsprt:WFRepoFacilityMemberus-gaap:RevolvingCreditFacilityMember2021-01-012021-09-300001562528us-gaap:SecuredDebtMemberbsprt:BarclaysFacilityMemberus-gaap:RevolvingCreditFacilityMember2021-09-300001562528us-gaap:SecuredDebtMemberbsprt:BarclaysFacilityMemberus-gaap:RevolvingCreditFacilityMember2021-01-012021-09-300001562528bsprt:BarclaysRepoFacilityMemberus-gaap:SecuredDebtMember2021-09-300001562528bsprt:BarclaysRepoFacilityMemberus-gaap:SecuredDebtMember2021-01-012021-09-300001562528bsprt:CSRepoFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:SubsequentEventMember2021-11-030001562528bsprt:WFRepoFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:SubsequentEventMember2021-10-150001562528bsprt:BarclaysRepoFacilityMemberus-gaap:SecuredDebtMember2020-01-012020-12-310001562528us-gaap:RevolvingCreditFacilityMemberbsprt:JPMRepoFacilityMember2020-12-310001562528us-gaap:RevolvingCreditFacilityMemberbsprt:JPMRepoFacilityMember2020-01-012020-12-310001562528us-gaap:RevolvingCreditFacilityMemberbsprt:USBRepoFacilityMember2020-12-310001562528us-gaap:RevolvingCreditFacilityMemberbsprt:USBRepoFacilityMember2020-01-012020-12-310001562528bsprt:CSRepoFacilityMemberus-gaap:RevolvingCreditFacilityMember2020-12-310001562528bsprt:CSRepoFacilityMemberus-gaap:RevolvingCreditFacilityMember2020-01-012020-12-310001562528bsprt:WFRepoFacilityMemberus-gaap:RevolvingCreditFacilityMember2020-12-310001562528bsprt:WFRepoFacilityMemberus-gaap:RevolvingCreditFacilityMember2020-01-012020-12-310001562528us-gaap:SecuredDebtMemberbsprt:BarclaysFacilityMemberus-gaap:RevolvingCreditFacilityMember2020-12-310001562528us-gaap:SecuredDebtMemberbsprt:BarclaysFacilityMemberus-gaap:RevolvingCreditFacilityMember2020-01-012020-12-310001562528bsprt:BarclaysRepoFacilityMemberus-gaap:SecuredDebtMember2020-12-310001562528bsprt:CSRepoFacilityMemberus-gaap:RevolvingCreditFacilityMember2019-12-310001562528bsprt:SterlingNationalBankMember2020-03-232020-03-230001562528bsprt:SterlingNationalBankMember2021-07-012021-09-300001562528bsprt:SterlingNationalBankMember2021-01-012021-09-300001562528us-gaap:MortgagesMemberbsprt:October2019MortgageNotePayableMember2019-10-150001562528us-gaap:MortgagesMemberbsprt:October2019MortgageNotePayableMember2021-09-300001562528us-gaap:MortgagesMemberbsprt:October2019MortgageNotePayableMember2021-07-012021-09-300001562528us-gaap:MortgagesMemberbsprt:October2019MortgageNotePayableMember2021-01-012021-09-300001562528us-gaap:MortgagesMemberbsprt:JeffersonvilleGeorgiaMembersrt:IndustrialPropertyMember2021-09-170001562528us-gaap:MortgagesMemberbsprt:September2021MortgageNotePayableEliminatedInConsolidationMemberbsprt:JeffersonvilleGeorgiaMemberbsprt:FranklinBSPRealtyTrustIncMembersrt:IndustrialPropertyMember2021-09-170001562528us-gaap:MortgagesMemberbsprt:JeffersonvilleGeorgiaMembersrt:IndustrialPropertyMemberbsprt:JVAffiliateMemberbsprt:September2021MortgageNotePayableAffiliateMember2021-09-170001562528us-gaap:MortgagesMemberbsprt:September2021MortgageNotePayableAffiliateMember2021-09-300001562528bsprt:SecurityBenefitLifeInsuranceCompanyMemberus-gaap:UnsecuredDebtMember2020-08-310001562528us-gaap:LondonInterbankOfferedRateLIBORMemberbsprt:SecurityBenefitLifeInsuranceCompanyMemberus-gaap:UnsecuredDebtMember2020-08-012020-08-310001562528bsprt:SecurityBenefitLifeInsuranceCompanyMemberus-gaap:UnsecuredDebtMember2021-07-012021-09-300001562528bsprt:SecurityBenefitLifeInsuranceCompanyMemberus-gaap:UnsecuredDebtMember2021-01-012021-09-300001562528bsprt:SecurityBenefitLifeInsuranceCompanyMemberus-gaap:UnsecuredDebtMember2021-09-300001562528bsprt:JPMorganSecuritiesLLCMemberus-gaap:RevolvingCreditFacilityMember2021-09-300001562528bsprt:JPMorganSecuritiesLLCMemberus-gaap:RevolvingCreditFacilityMember2021-01-012021-09-300001562528exch:GSILus-gaap:RevolvingCreditFacilityMember2021-09-300001562528bsprt:BarclaysCapitalIncMemberus-gaap:RevolvingCreditFacilityMember2021-09-300001562528bsprt:BarclaysCapitalIncMemberus-gaap:RevolvingCreditFacilityMember2021-01-012021-09-300001562528bsprt:CitigroupGlobalMarketsIncMemberus-gaap:RevolvingCreditFacilityMember2021-09-300001562528us-gaap:RevolvingCreditFacilityMember2021-09-300001562528us-gaap:RevolvingCreditFacilityMember2021-01-012021-09-300001562528bsprt:JPMorganSecuritiesLLCMemberus-gaap:RevolvingCreditFacilityMember2020-12-310001562528bsprt:JPMorganSecuritiesLLCMemberus-gaap:RevolvingCreditFacilityMember2020-01-012020-12-310001562528us-gaap:RevolvingCreditFacilityMemberbsprt:WellsFargoSecuritiesLLCMember2020-12-310001562528exch:GSILus-gaap:RevolvingCreditFacilityMember2020-12-310001562528exch:GSILus-gaap:RevolvingCreditFacilityMember2020-01-012020-12-310001562528bsprt:BarclaysCapitalIncMemberus-gaap:RevolvingCreditFacilityMember2020-12-310001562528bsprt:BarclaysCapitalIncMemberus-gaap:RevolvingCreditFacilityMember2020-01-012020-12-310001562528bsprt:CreditSuisseAGMemberus-gaap:RevolvingCreditFacilityMember2020-12-310001562528bsprt:CitigroupGlobalMarketsIncMemberus-gaap:RevolvingCreditFacilityMember2020-12-310001562528bsprt:CitigroupGlobalMarketsIncMemberus-gaap:RevolvingCreditFacilityMember2020-01-012020-12-310001562528us-gaap:RevolvingCreditFacilityMember2020-12-310001562528us-gaap:RevolvingCreditFacilityMember2020-01-012020-12-310001562528bsprt:U.S.BankNationalAssociationMemberbsprt:ClassCNotesMemberus-gaap:SecuredDebtMember2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberbsprt:ClassCNotesMemberus-gaap:SecuredDebtMember2020-12-31bsprt:mortgage_asset0001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:CollateralizedLoanObligationsIssuedin2018FL3Member2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:CollateralizedLoanObligationsIssuedin2018FL3Member2020-12-310001562528bsprt:CollateralizedLoanObligationsIssuedin2018FL4Memberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMember2021-09-300001562528bsprt:CollateralizedLoanObligationsIssuedin2018FL4Memberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMember2020-12-310001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:CollateralizedLoanObligationsIssuedin2019FL5Member2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:CollateralizedLoanObligationsIssuedin2019FL5Member2020-12-310001562528us-gaap:SecuredDebtMemberbsprt:BSPRT2021FL6Member2021-03-250001562528us-gaap:SecuredDebtMemberbsprt:BSPRT2021FL6Memberbsprt:ThirdPartyInvestorsMember2021-03-250001562528us-gaap:SecuredDebtMemberbsprt:BSPRT2021FL6Membersrt:SubsidiariesMember2021-03-250001562528us-gaap:PreferredStockMember2021-03-252021-03-250001562528us-gaap:PreferredStockMember2021-03-250001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:CollateralizedLoanObligationsIssuedIn2021FL6Member2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:BSPRT2021FL6BSPRT2018FL3BSPRT2018FL4AndBSPRT2019FL5Member2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:BSPRT2021FL6BSPRT2018FL3BSPRT2018FL4AndBSPRT2019FL5Member2020-12-310001562528bsprt:ClassANotes2018FL3IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMember2021-09-300001562528bsprt:ClassASNotes2018FL3IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMember2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:ClassBNotes2018FL3IssuerMember2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:ClassCNotes2018FL3IssuerMember2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:ClassDNotes2018FL3IssuerMember2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:ClassANotes2018FL4IssuerMember2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:ClassASNotes2018FL4IssuerMember2021-09-300001562528bsprt:ClassBNotes2018FL4IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMember2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberbsprt:ClassCNotes2018FL4IssuerMemberus-gaap:SecuredDebtMember2021-09-300001562528bsprt:ClassDNotes2018FL4IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMember2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:ClassENotes2018FL4IssuerMember2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:ClassANotes2019FL5IssuerMember2021-09-300001562528bsprt:ClassASNotes2019FL5IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMember2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:ClassBNotes2019FL5IssuerMember2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberbsprt:ClassCNotes2019FL5IssuerMemberus-gaap:SecuredDebtMember2021-09-300001562528bsprt:ClassDNotes2019FL5IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMember2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:ClassENotes2019FL5IssuerMember2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberbsprt:ClassANotes2021FL6IssuerMemberus-gaap:SecuredDebtMember2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:ClassASNotes2021FL6IssuerMember2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:ClassBNotes2021FL6IssuerMember2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberbsprt:ClassCNotes2021FL6IssuerMemberus-gaap:SecuredDebtMember2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:ClassDNotes2021FL6IssuerMember2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:ClassENotes2021FL6IssuerMember2021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMember2021-09-300001562528bsprt:ClassANotes2018FL3IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMember2020-12-310001562528bsprt:ClassASNotes2018FL3IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMember2020-12-310001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:ClassBNotes2018FL3IssuerMember2020-12-310001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:ClassCNotes2018FL3IssuerMember2020-12-310001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:ClassDNotes2018FL3IssuerMember2020-12-310001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:ClassANotes2018FL4IssuerMember2020-12-310001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:ClassASNotes2018FL4IssuerMember2020-12-310001562528bsprt:ClassBNotes2018FL4IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMember2020-12-310001562528bsprt:U.S.BankNationalAssociationMemberbsprt:ClassCNotes2018FL4IssuerMemberus-gaap:SecuredDebtMember2020-12-310001562528bsprt:ClassDNotes2018FL4IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMember2020-12-310001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:ClassANotes2019FL5IssuerMember2020-12-310001562528bsprt:ClassASNotes2019FL5IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMember2020-12-310001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:ClassBNotes2019FL5IssuerMember2020-12-310001562528bsprt:U.S.BankNationalAssociationMemberbsprt:ClassCNotes2019FL5IssuerMemberus-gaap:SecuredDebtMember2020-12-310001562528bsprt:ClassDNotes2019FL5IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMember2020-12-310001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:ClassENotes2019FL5IssuerMember2020-12-310001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMember2020-12-310001562528us-gaap:VariableInterestEntityPrimaryBeneficiaryMember2021-01-012021-09-300001562528us-gaap:VariableInterestEntityPrimaryBeneficiaryMember2021-01-012021-03-310001562528bsprt:ClassANotes2018FL3IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMember2021-01-012021-09-300001562528bsprt:ClassANotes2018FL3IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMember2021-01-012021-03-310001562528bsprt:ClassASNotes2018FL3IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMember2021-01-012021-09-300001562528bsprt:ClassASNotes2018FL3IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMember2021-01-012021-03-310001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassBNotes2018FL3IssuerMember2021-01-012021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassBNotes2018FL3IssuerMember2021-01-012021-03-310001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassCNotes2018FL3IssuerMember2021-01-012021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassCNotes2018FL3IssuerMember2021-01-012021-03-310001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassDNotes2018FL3IssuerMember2021-01-012021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassDNotes2018FL3IssuerMember2021-01-012021-03-310001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassANotes2018FL4IssuerMember2021-01-012021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassANotes2018FL4IssuerMember2021-01-012021-03-310001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassASNotes2018FL4IssuerMember2021-01-012021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassASNotes2018FL4IssuerMember2021-01-012021-03-310001562528bsprt:ClassBNotes2018FL4IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMember2021-01-012021-09-300001562528bsprt:ClassBNotes2018FL4IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMember2021-01-012021-03-310001562528bsprt:U.S.BankNationalAssociationMemberbsprt:ClassCNotes2018FL4IssuerMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMember2021-01-012021-09-300001562528bsprt:U.S.BankNationalAssociationMemberbsprt:ClassCNotes2018FL4IssuerMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMember2021-01-012021-03-310001562528bsprt:ClassDNotes2018FL4IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMember2021-01-012021-09-300001562528bsprt:ClassDNotes2018FL4IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMember2021-01-012021-03-310001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassENotes2018FL4IssuerMember2021-01-012021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassENotes2018FL4IssuerMember2021-01-012021-03-310001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassANotes2019FL5IssuerMember2021-01-012021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassANotes2019FL5IssuerMember2021-01-012021-03-310001562528bsprt:ClassASNotes2019FL5IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMember2021-01-012021-09-300001562528bsprt:ClassASNotes2019FL5IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMember2021-01-012021-03-310001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassBNotes2019FL5IssuerMember2021-01-012021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassBNotes2019FL5IssuerMember2021-01-012021-03-310001562528bsprt:U.S.BankNationalAssociationMemberbsprt:ClassCNotes2019FL5IssuerMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMember2021-01-012021-09-300001562528bsprt:U.S.BankNationalAssociationMemberbsprt:ClassCNotes2019FL5IssuerMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMember2021-01-012021-03-310001562528bsprt:ClassDNotes2019FL5IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMember2021-01-012021-09-300001562528bsprt:ClassDNotes2019FL5IssuerMemberbsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMember2021-01-012021-03-310001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassENotes2019FL5IssuerMember2021-01-012021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassENotes2019FL5IssuerMember2021-01-012021-03-310001562528bsprt:U.S.BankNationalAssociationMemberbsprt:ClassANotes2021FL6IssuerMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMember2021-01-012021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassASNotes2021FL6IssuerMember2021-01-012021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassBNotes2021FL6IssuerMember2021-01-012021-09-300001562528bsprt:U.S.BankNationalAssociationMemberbsprt:ClassCNotes2021FL6IssuerMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMember2021-01-012021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassDNotes2021FL6IssuerMember2021-01-012021-09-300001562528bsprt:U.S.BankNationalAssociationMemberus-gaap:SecuredDebtMemberbsprt:A1MLIBORMemberbsprt:ClassENotes2021FL6IssuerMember2021-01-012021-09-300001562528us-gaap:SeriesAPreferredStockMember2021-09-300001562528us-gaap:SeriesAPreferredStockMember2020-12-310001562528us-gaap:SeriesCPreferredStockMember2021-09-300001562528us-gaap:SeriesCPreferredStockMember2020-12-310001562528us-gaap:SeriesDPreferredStockMember2021-09-300001562528us-gaap:SeriesDPreferredStockMember2021-03-152021-03-150001562528us-gaap:SeriesDPreferredStockMember2021-03-182021-03-180001562528us-gaap:SeriesAPreferredStockMember2021-01-012021-09-300001562528us-gaap:SeriesAPreferredStockMember2019-12-310001562528us-gaap:SeriesAPreferredStockMember2020-01-012020-09-300001562528us-gaap:SeriesAPreferredStockMember2020-09-300001562528us-gaap:SeriesCPreferredStockMember2021-01-012021-09-300001562528us-gaap:SeriesCPreferredStockMember2019-12-310001562528us-gaap:SeriesCPreferredStockMember2020-01-012020-09-300001562528us-gaap:SeriesCPreferredStockMember2020-09-300001562528us-gaap:SeriesDPreferredStockMember2020-12-310001562528us-gaap:SeriesDPreferredStockMember2020-09-300001562528us-gaap:SeriesDPreferredStockMember2021-01-012021-09-300001562528us-gaap:CommonStockMemberus-gaap:SubsequentEventMember2021-10-012021-10-310001562528us-gaap:SeriesCPreferredStockMember2021-07-012021-09-300001562528us-gaap:SeriesAPreferredStockMemberus-gaap:SubsequentEventMember2021-10-012021-10-310001562528us-gaap:SeriesDPreferredStockMember2021-07-012021-09-300001562528us-gaap:SeriesDPreferredStockMemberus-gaap:SubsequentEventMember2021-10-012021-10-310001562528us-gaap:SubsequentEventMemberus-gaap:SeriesCPreferredStockMember2021-10-012021-10-310001562528us-gaap:SeriesAPreferredStockMember2021-07-012021-09-3000015625282016-02-282016-02-28bsprt:repurchaseRequest0001562528us-gaap:CommonStockMemberbsprt:ShareRepurchaseProgramSRPMember2020-12-310001562528us-gaap:CommonStockMemberbsprt:ShareRepurchaseProgramSRPMember2021-01-012021-01-310001562528us-gaap:CommonStockMemberbsprt:ShareRepurchaseProgramSRPMember2021-02-012021-02-280001562528us-gaap:CommonStockMemberbsprt:ShareRepurchaseProgramSRPMember2021-03-012021-03-310001562528us-gaap:CommonStockMemberbsprt:ShareRepurchaseProgramSRPMember2021-04-012021-04-300001562528us-gaap:CommonStockMemberbsprt:ShareRepurchaseProgramSRPMember2021-05-012021-05-310001562528us-gaap:CommonStockMemberbsprt:ShareRepurchaseProgramSRPMember2021-06-012021-06-300001562528us-gaap:CommonStockMemberbsprt:ShareRepurchaseProgramSRPMember2020-07-012020-07-310001562528us-gaap:CommonStockMemberbsprt:ShareRepurchaseProgramSRPMember2020-08-012020-08-310001562528us-gaap:CommonStockMemberbsprt:ShareRepurchaseProgramSRPMember2020-09-012020-09-300001562528us-gaap:CommonStockMemberbsprt:ShareRepurchaseProgramSRPMember2021-09-3000015625282020-07-012020-12-310001562528us-gaap:CommonStockMemberbsprt:ShareRepurchaseProgramSRPMember2021-09-012021-09-3000015625282021-01-012021-06-300001562528us-gaap:LoanOriginationCommitmentsMember2021-09-300001562528us-gaap:LoanOriginationCommitmentsMember2020-12-310001562528bsprt:BenefitStreetPartnersLLCMembersrt:AffiliatedEntityMember2021-09-300001562528bsprt:BenefitStreetPartnersLLCMembersrt:AffiliatedEntityMemberbsprt:FeetoAcquireandOriginateRealEstateDebtMember2021-01-012021-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AcquisitionAndRelatedExpensesMember2021-07-012021-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AcquisitionAndRelatedExpensesMember2020-07-012020-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AcquisitionAndRelatedExpensesMember2021-01-012021-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AcquisitionAndRelatedExpensesMember2020-01-012020-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AcquisitionAndRelatedExpensesMember2021-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AcquisitionAndRelatedExpensesMember2020-12-310001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AdministrativeServicesandExpensesMember2021-07-012021-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AdministrativeServicesandExpensesMember2020-07-012020-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AdministrativeServicesandExpensesMember2021-01-012021-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AdministrativeServicesandExpensesMember2020-01-012020-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AdministrativeServicesandExpensesMember2021-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AdministrativeServicesandExpensesMember2020-12-310001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AssetManagementandSubordinatedPerformanceFeesMember2021-07-012021-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AssetManagementandSubordinatedPerformanceFeesMember2020-07-012020-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AssetManagementandSubordinatedPerformanceFeesMember2021-01-012021-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AssetManagementandSubordinatedPerformanceFeesMember2020-01-012020-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AssetManagementandSubordinatedPerformanceFeesMember2021-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AssetManagementandSubordinatedPerformanceFeesMember2020-12-310001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:OtherRelatedPartyExpensesMember2021-07-012021-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:OtherRelatedPartyExpensesMember2020-07-012020-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:OtherRelatedPartyExpensesMember2021-01-012021-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:OtherRelatedPartyExpensesMember2020-01-012020-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:OtherRelatedPartyExpensesMember2021-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:OtherRelatedPartyExpensesMember2020-12-310001562528srt:AffiliatedEntityMember2021-07-012021-09-300001562528srt:AffiliatedEntityMember2020-07-012020-09-300001562528srt:AffiliatedEntityMember2021-01-012021-09-300001562528srt:AffiliatedEntityMember2020-01-012020-09-300001562528srt:AffiliatedEntityMember2021-09-300001562528srt:AffiliatedEntityMember2020-12-310001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AcquisitionFeesAndExpensesIncludingAmountCapitalizedMember2021-07-012021-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AcquisitionFeesAndExpensesIncludingAmountCapitalizedMember2021-01-012021-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AcquisitionFeesAndExpensesAmountCapitalizedMember2021-07-012021-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AcquisitionFeesAndExpensesAmountCapitalizedMember2021-01-012021-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AcquisitionFeesAndExpensesIncludingAmountCapitalizedMember2020-07-012020-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AcquisitionFeesAndExpensesIncludingAmountCapitalizedMember2020-01-012020-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AcquisitionFeesAndExpensesAmountCapitalizedMember2020-07-012020-09-300001562528srt:AffiliatedEntityMemberbsprt:NonrecurringFeesMemberbsprt:AcquisitionFeesAndExpensesAmountCapitalizedMember2020-01-012020-09-300001562528us-gaap:SeriesDPreferredStockMember2021-03-012021-03-310001562528bsprt:BenefitStreetPartnersLLCMembersrt:AffiliatedEntityMember2016-09-290001562528us-gaap:FairValueMeasurementsRecurringMember2021-09-300001562528us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2021-09-300001562528us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMember2021-09-300001562528us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2021-09-300001562528us-gaap:InterestRateSwapMemberus-gaap:FairValueMeasurementsRecurringMember2021-09-300001562528us-gaap:InterestRateSwapMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2021-09-300001562528us-gaap:InterestRateSwapMemberus-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMember2021-09-300001562528us-gaap:FairValueInputsLevel3Memberus-gaap:InterestRateSwapMemberus-gaap:FairValueMeasurementsRecurringMember2021-09-300001562528us-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherCreditDerivativesMember2021-09-300001562528us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherCreditDerivativesMember2021-09-300001562528us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherCreditDerivativesMember2021-09-300001562528us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherCreditDerivativesMember2021-09-300001562528bsprt:TreasuryNoteFuturesMemberus-gaap:FairValueMeasurementsRecurringMember2021-09-300001562528bsprt:TreasuryNoteFuturesMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2021-09-300001562528bsprt:TreasuryNoteFuturesMemberus-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMember2021-09-300001562528bsprt:TreasuryNoteFuturesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2021-09-300001562528us-gaap:FairValueMeasurementsRecurringMember2020-12-310001562528us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2020-12-310001562528us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMember2020-12-310001562528us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2020-12-310001562528us-gaap:InterestRateSwapMemberus-gaap:FairValueMeasurementsRecurringMember2020-12-310001562528us-gaap:InterestRateSwapMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2020-12-310001562528us-gaap:InterestRateSwapMemberus-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMember2020-12-310001562528us-gaap:FairValueInputsLevel3Memberus-gaap:InterestRateSwapMemberus-gaap:FairValueMeasurementsRecurringMember2020-12-310001562528us-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherCreditDerivativesMember2020-12-310001562528us-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherCreditDerivativesMember2020-12-310001562528us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherCreditDerivativesMember2020-12-310001562528us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:OtherCreditDerivativesMember2020-12-310001562528bsprt:TreasuryNoteFuturesMemberus-gaap:FairValueMeasurementsRecurringMember2020-12-310001562528bsprt:TreasuryNoteFuturesMemberus-gaap:FairValueInputsLevel1Memberus-gaap:FairValueMeasurementsRecurringMember2020-12-310001562528bsprt:TreasuryNoteFuturesMemberus-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMember2020-12-310001562528bsprt:TreasuryNoteFuturesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2020-12-310001562528us-gaap:FairValueInputsLevel3Memberus-gaap:MortgageReceivablesMemberus-gaap:FairValueMeasurementsRecurringMember2021-09-300001562528us-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:WeightedAverageMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MortgageReceivablesMember2021-01-012021-09-300001562528us-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MortgageReceivablesMember2021-01-012021-09-300001562528us-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:FairValueInputsLevel3Membersrt:MaximumMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MortgageReceivablesMember2021-01-012021-09-300001562528us-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:WeightedAverageMemberus-gaap:FairValueInputsLevel3Memberbsprt:RealEstateSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2021-01-012021-09-300001562528us-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMemberus-gaap:FairValueInputsLevel3Memberbsprt:RealEstateSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2021-01-012021-09-300001562528us-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:FairValueInputsLevel3Memberbsprt:RealEstateSecuritiesMembersrt:MaximumMemberus-gaap:FairValueMeasurementsRecurringMember2021-01-012021-09-300001562528us-gaap:FairValueInputsLevel3Memberus-gaap:MortgageReceivablesMemberus-gaap:FairValueMeasurementsRecurringMember2020-12-310001562528us-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:WeightedAverageMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MortgageReceivablesMember2020-01-012020-12-310001562528us-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MortgageReceivablesMember2020-01-012020-12-310001562528us-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:FairValueInputsLevel3Membersrt:MaximumMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:MortgageReceivablesMember2020-01-012020-12-310001562528us-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:WeightedAverageMemberus-gaap:FairValueInputsLevel3Memberbsprt:RealEstateSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2020-01-012020-12-310001562528us-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MinimumMemberus-gaap:FairValueInputsLevel3Memberbsprt:RealEstateSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2020-01-012020-12-310001562528us-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:FairValueInputsLevel3Memberbsprt:RealEstateSecuritiesMembersrt:MaximumMemberus-gaap:FairValueMeasurementsRecurringMember2020-01-012020-12-310001562528bsprt:OtherRealEstateInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2020-12-310001562528us-gaap:FairValueInputsLevel3Memberus-gaap:MortgageReceivablesMemberus-gaap:FairValueMeasurementsRecurringMember2021-01-012021-09-300001562528bsprt:OtherRealEstateInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2021-01-012021-09-300001562528bsprt:OtherRealEstateInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2021-09-300001562528us-gaap:FairValueInputsLevel3Memberus-gaap:MortgageReceivablesMemberus-gaap:FairValueMeasurementsRecurringMember2019-12-310001562528bsprt:OtherRealEstateInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2019-12-310001562528us-gaap:FairValueInputsLevel3Memberus-gaap:MortgageReceivablesMemberus-gaap:FairValueMeasurementsRecurringMember2020-01-012020-12-310001562528bsprt:OtherRealEstateInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsRecurringMember2020-01-012020-12-310001562528us-gaap:MortgageReceivablesMember2020-01-012020-12-310001562528us-gaap:CarryingReportedAmountFairValueDisclosureMemberus-gaap:FairValueInputsLevel3Member2021-09-300001562528us-gaap:FairValueInputsLevel3Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2021-09-300001562528us-gaap:CarryingReportedAmountFairValueDisclosureMemberus-gaap:FairValueInputsLevel3Member2020-12-310001562528us-gaap:FairValueInputsLevel3Memberus-gaap:EstimateOfFairValueFairValueDisclosureMember2020-12-310001562528us-gaap:OtherCreditDerivativesMember2021-09-300001562528us-gaap:InterestRateSwapMember2021-09-300001562528bsprt:TreasuryNoteFuturesMember2021-09-300001562528us-gaap:OtherCreditDerivativesMember2020-12-310001562528us-gaap:InterestRateSwapMember2020-12-310001562528bsprt:TreasuryNoteFuturesMember2020-12-310001562528us-gaap:OtherCreditDerivativesMember2021-07-012021-09-300001562528us-gaap:OtherCreditDerivativesMember2021-01-012021-09-300001562528us-gaap:InterestRateSwapMember2021-07-012021-09-300001562528us-gaap:InterestRateSwapMember2021-01-012021-09-300001562528bsprt:TreasuryNoteFuturesMember2021-07-012021-09-300001562528bsprt:TreasuryNoteFuturesMember2021-01-012021-09-300001562528us-gaap:StockOptionMember2021-01-012021-09-300001562528us-gaap:OtherCreditDerivativesMember2020-07-012020-09-300001562528us-gaap:OtherCreditDerivativesMember2020-01-012020-09-300001562528us-gaap:InterestRateSwapMember2020-07-012020-09-300001562528us-gaap:InterestRateSwapMember2020-01-012020-09-300001562528bsprt:TreasuryNoteFuturesMember2020-07-012020-09-300001562528bsprt:TreasuryNoteFuturesMember2020-01-012020-09-300001562528us-gaap:StockOptionMember2020-07-012020-09-300001562528us-gaap:StockOptionMember2020-01-012020-09-300001562528bsprt:CommercialMortgageLoansMember2021-09-300001562528bsprt:CommercialMortgageLoansMember2020-12-310001562528bsprt:RealEstateDebtMember2021-07-012021-09-300001562528bsprt:RealEstateSecuritiesMember2021-07-012021-09-300001562528bsprt:TaxableREITSubsidiariesMember2021-07-012021-09-300001562528bsprt:RealEstateOwnedMember2021-07-012021-09-300001562528bsprt:RealEstateDebtMember2021-09-300001562528bsprt:RealEstateSecuritiesMember2021-09-300001562528bsprt:TaxableREITSubsidiariesMember2021-09-300001562528bsprt:RealEstateOwnedMember2021-09-300001562528bsprt:RealEstateDebtMember2020-07-012020-09-300001562528bsprt:RealEstateSecuritiesMember2020-07-012020-09-300001562528bsprt:TaxableREITSubsidiariesMember2020-07-012020-09-300001562528bsprt:RealEstateOwnedMember2020-07-012020-09-300001562528bsprt:RealEstateDebtMember2020-12-310001562528bsprt:RealEstateSecuritiesMember2020-12-310001562528bsprt:TaxableREITSubsidiariesMember2020-12-310001562528bsprt:RealEstateOwnedMember2020-12-310001562528bsprt:RealEstateDebtMember2021-01-012021-09-300001562528bsprt:RealEstateSecuritiesMember2021-01-012021-09-300001562528bsprt:TaxableREITSubsidiariesMember2021-01-012021-09-300001562528bsprt:RealEstateOwnedMember2021-01-012021-09-300001562528bsprt:RealEstateDebtMember2020-01-012020-09-300001562528bsprt:RealEstateSecuritiesMember2020-01-012020-09-300001562528bsprt:TaxableREITSubsidiariesMember2020-01-012020-09-300001562528bsprt:RealEstateOwnedMember2020-01-012020-09-300001562528us-gaap:SubsequentEventMember2021-10-120001562528us-gaap:SeriesFPreferredStockMemberus-gaap:SubsequentEventMember2021-10-120001562528us-gaap:SeriesFPreferredStockMemberus-gaap:SubsequentEventMember2021-10-122021-10-120001562528us-gaap:SeriesFPreferredStockMemberus-gaap:SubsequentEventMember2021-10-190001562528us-gaap:SubsequentEventMember2021-10-182021-10-180001562528us-gaap:SubsequentEventMember2021-10-112021-10-110001562528us-gaap:SeriesFPreferredStockMemberus-gaap:SubsequentEventMember2021-10-182021-10-180001562528us-gaap:SeriesFPreferredStockMemberus-gaap:SubsequentEventMember2021-10-112021-10-110001562528us-gaap:SubsequentEventMemberus-gaap:SeriesCPreferredStockMember2021-10-112021-10-110001562528us-gaap:SubsequentEventMemberus-gaap:SeriesCPreferredStockMember2021-10-182021-10-180001562528us-gaap:SeriesAPreferredStockMemberus-gaap:SubsequentEventMember2021-10-112021-10-110001562528us-gaap:SeriesAPreferredStockMemberus-gaap:SubsequentEventMember2021-10-182021-10-180001562528us-gaap:SeriesDPreferredStockMemberus-gaap:SubsequentEventMember2021-10-182021-10-180001562528us-gaap:SeriesDPreferredStockMemberus-gaap:SubsequentEventMember2021-10-112021-10-110001562528us-gaap:SubsequentEventMemberbsprt:CapsteadMortgageCorporationMember2021-10-190001562528us-gaap:SubsequentEventMember2021-10-190001562528bsprt:ConvertibleSeriesEPreferredStockMemberus-gaap:SubsequentEventMemberbsprt:CapsteadMortgageCorporationMember2021-10-192021-10-190001562528bsprt:ConvertibleSeriesEPreferredStockMemberus-gaap:SubsequentEventMemberbsprt:CapsteadMortgageCorporationMember2021-10-190001562528us-gaap:SeriesEPreferredStockMemberus-gaap:SubsequentEventMember2021-10-190001562528us-gaap:SubsequentEventMemberbsprt:CapsteadMortgageCorporationMember2021-10-192021-10-190001562528us-gaap:SeriesEPreferredStockMemberus-gaap:SubsequentEventMemberbsprt:CapsteadMortgageCorporationMember2021-10-192021-10-190001562528us-gaap:SeriesEPreferredStockMemberus-gaap:SubsequentEventMember2021-10-192021-10-190001562528srt:MinimumMemberus-gaap:SubsequentEventMember2021-10-192021-10-190001562528srt:MaximumMemberus-gaap:SubsequentEventMember2021-10-192021-10-190001562528srt:MinimumMemberus-gaap:SeriesEPreferredStockMemberus-gaap:SubsequentEventMember2021-10-192021-10-190001562528us-gaap:SeriesEPreferredStockMembersrt:MaximumMemberus-gaap:SubsequentEventMember2021-10-192021-10-19bsprt:conversionRatebsprt:considerationTypebsprt:boardDirector0001562528us-gaap:SeriesFPreferredStockMemberus-gaap:SubsequentEventMember2021-10-192021-10-190001562528us-gaap:SubsequentEventMember2021-10-122021-10-12

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)
☒			QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934

 For the quarterly period ended September 30, 2021

 OR

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x No o

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).Yes x No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act:

Large accelerated filer o			Accelerated filer o
Non-accelerated filer x			Smaller reporting company ☐
			Emerging growth filer ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

The number of shares of the registrant's common stock, $0.01 par value, outstanding as of October 31, 2021 was 43,951,382.

PART I						Page
Item 1. Consolidated Financial Statements and Notes (unaudited)						1
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations						63
Item 3. Quantitative and Qualitative Disclosures about Market Risk						89
Item 4. Controls and Procedures						90
PART II
Item 1. Legal Proceedings						91
Item 1A. Risk Factors						91
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds						93
Item 3. Defaults Upon Senior Securities						93
Item 4. Mine Safety Disclosures						93
Item 5. Other Information						94
Item 6. Exhibits						95
Signatures						96