false--12-31Q220190000930236REDWOOD TRUST INCP91DP1YP5Y1000000P6M00000100.00140.03650.03450.00950.00060.00850.02280.0010.01291000004000000224281831900000000.250.250.250.250.250.250.010.010.0120.300.580.300.600.010.01180000000270000000848843449771502184884344977150210.04623700.05390600.05476450.12000.00950.03600.03650.01400.00950.00650.00800.03060.00950.01410.0180P7Y0.04080.03600.04970.03390.01360.04460.04200.03680.05080.03390.02550.0442600000300000010000000100000100000010000020000001000000130000000.00170.00070.00127256167911910 0000930236 2019-01-01 2019-06-30 0000930236 2019-08-05 0000930236 2018-12-31 0000930236 2019-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueIncludingLoansAtHistoricalCostMember 2018-12-31 0000930236 rwt:BusinessPurposeResidentialLoansMember 2018-12-31 0000930236 rwt:ResidentialLoansHeldForSaleMember 2019-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueIncludingLoansAtHistoricalCostMember 2019-06-30 0000930236 rwt:MultifamilyLoansMember 2019-06-30 0000930236 rwt:MultifamilyLoansMember 2018-12-31 0000930236 rwt:BusinessPurposeResidentialLoansMember 2019-06-30 0000930236 rwt:ResidentialLoansHeldForSaleMember 2018-12-31 0000930236 2018-11-15 0000930236 2019-04-01 2019-06-30 0000930236 2018-04-01 2018-06-30 0000930236 2018-01-01 2018-06-30 0000930236 us-gaap:CommonStockMember 2019-06-30 0000930236 us-gaap:RetainedEarningsMember 2019-03-31 0000930236 us-gaap:RetainedEarningsMember 2019-04-01 2019-06-30 0000930236 us-gaap:AccumulatedDistributionsInExcessOfNetIncomeMember 2019-04-01 2019-06-30 0000930236 2019-03-31 0000930236 us-gaap:AdditionalPaidInCapitalMember 2019-04-01 2019-06-30 0000930236 us-gaap:CommonStockMember 2019-04-01 2019-06-30 0000930236 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2019-03-31 0000930236 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2019-06-30 0000930236 us-gaap:AccumulatedDistributionsInExcessOfNetIncomeMember 2019-06-30 0000930236 us-gaap:RetainedEarningsMember 2019-06-30 0000930236 us-gaap:AccumulatedDistributionsInExcessOfNetIncomeMember 2019-03-31 0000930236 us-gaap:CommonStockMember 2019-03-31 0000930236 us-gaap:AdditionalPaidInCapitalMember 2019-06-30 0000930236 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2019-04-01 2019-06-30 0000930236 us-gaap:AdditionalPaidInCapitalMember 2019-03-31 0000930236 us-gaap:CommonStockMember 2019-01-01 2019-06-30 0000930236 us-gaap:AdditionalPaidInCapitalMember 2019-01-01 2019-06-30 0000930236 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2019-01-01 2019-06-30 0000930236 us-gaap:AccumulatedDistributionsInExcessOfNetIncomeMember 2018-12-31 0000930236 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2018-12-31 0000930236 us-gaap:CommonStockMember 2018-12-31 0000930236 us-gaap:AccumulatedDistributionsInExcessOfNetIncomeMember 2019-01-01 2019-06-30 0000930236 us-gaap:RetainedEarningsMember 2019-01-01 2019-06-30 0000930236 us-gaap:RetainedEarningsMember 2018-12-31 0000930236 us-gaap:AdditionalPaidInCapitalMember 2018-12-31 0000930236 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2018-01-01 2018-06-30 0000930236 us-gaap:AdditionalPaidInCapitalMember 2018-01-01 2018-06-30 0000930236 2018-06-30 0000930236 us-gaap:RetainedEarningsMember 2018-06-30 0000930236 us-gaap:RetainedEarningsMember 2017-12-31 0000930236 us-gaap:RetainedEarningsMember 2018-01-01 2018-06-30 0000930236 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2017-12-31 0000930236 us-gaap:AdditionalPaidInCapitalMember 2018-06-30 0000930236 us-gaap:AccumulatedDistributionsInExcessOfNetIncomeMember 2018-06-30 0000930236 us-gaap:AccumulatedDistributionsInExcessOfNetIncomeMember 2017-12-31 0000930236 us-gaap:AccumulatedDistributionsInExcessOfNetIncomeMember 2018-01-01 2018-06-30 0000930236 us-gaap:CommonStockMember 2018-01-01 2018-06-30 0000930236 us-gaap:CommonStockMember 2018-06-30 0000930236 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2018-06-30 0000930236 us-gaap:CommonStockMember 2017-12-31 0000930236 us-gaap:AdditionalPaidInCapitalMember 2017-12-31 0000930236 2017-12-31 0000930236 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2018-04-01 2018-06-30 0000930236 us-gaap:CommonStockMember 2018-04-01 2018-06-30 0000930236 us-gaap:AdditionalPaidInCapitalMember 2018-04-01 2018-06-30 0000930236 us-gaap:CommonStockMember 2018-03-31 0000930236 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2018-03-31 0000930236 us-gaap:AdditionalPaidInCapitalMember 2018-03-31 0000930236 us-gaap:RetainedEarningsMember 2018-04-01 2018-06-30 0000930236 us-gaap:AccumulatedDistributionsInExcessOfNetIncomeMember 2018-04-01 2018-06-30 0000930236 2018-03-31 0000930236 us-gaap:RetainedEarningsMember 2018-03-31 0000930236 us-gaap:AccumulatedDistributionsInExcessOfNetIncomeMember 2018-03-31 0000930236 2019-01-01 2019-03-31 0000930236 2018-01-01 2018-03-31 0000930236 rwt:A5ArchesLLCMember 2018-01-01 2018-06-30 0000930236 rwt:A5ArchesLLCMember 2018-04-01 2018-06-30 0000930236 rwt:A5ArchesLLCMember 2019-04-01 2019-06-30 0000930236 rwt:A5ArchesLLCMember 2019-01-01 2019-06-30 0000930236 rwt:A5ArchesLLCMember us-gaap:NoncompeteAgreementsMember 2019-01-01 2019-06-30 0000930236 rwt:A5ArchesLLCMember us-gaap:NoncompeteAgreementsMember 2018-12-31 0000930236 rwt:A5ArchesLLCMember us-gaap:NoncompeteAgreementsMember 2019-06-30 0000930236 rwt:A5ArchesLLCMember rwt:ManagementFeeOnExistingAssetsUnderManagementMember 2019-01-01 2019-06-30 0000930236 rwt:A5ArchesLLCMember 2018-12-31 0000930236 rwt:A5ArchesLLCMember us-gaap:TradeNamesMember 2019-06-30 0000930236 rwt:A5ArchesLLCMember rwt:BrokerNetworkMember 2019-01-01 2019-06-30 0000930236 rwt:A5ArchesLLCMember rwt:ManagementFeeOnExistingAssetsUnderManagementMember 2019-06-30 0000930236 rwt:A5ArchesLLCMember rwt:ManagementFeeOnExistingAssetsUnderManagementMember 2018-12-31 0000930236 rwt:A5ArchesLLCMember us-gaap:TradeNamesMember 2019-01-01 2019-06-30 0000930236 rwt:A5ArchesLLCMember rwt:BrokerNetworkMember 2018-12-31 0000930236 rwt:A5ArchesLLCMember us-gaap:TradeNamesMember 2018-12-31 0000930236 rwt:A5ArchesLLCMember rwt:BrokerNetworkMember 2019-06-30 0000930236 rwt:A5ArchesLLCMember 2019-06-30 0000930236 rwt:A5ArchesLLCMember 2019-03-01 0000930236 rwt:A5ArchesLLCMember 2019-03-01 2019-03-01 0000930236 2018-10-01 2018-12-31 0000930236 us-gaap:VariableInterestEntityPrimaryBeneficiaryMember 2019-06-30 2019-06-30 0000930236 rwt:A5ArchesLLCMember 2018-05-01 2018-05-31 0000930236 rwt:A5ArchesLLCMember 2018-05-01 2018-05-31 0000930236 rwt:A5ArchesLLCMember 2018-05-31 0000930236 us-gaap:AccountingStandardsUpdate201602Member 2019-06-30 0000930236 us-gaap:WarehouseAgreementBorrowingsMember 2018-12-31 0000930236 rwt:ToBeAnnouncedContractsMember 2018-12-31 0000930236 rwt:InterestRateAgreementTBAsAndFuturesMember 2018-12-31 0000930236 us-gaap:InterestRateSwapMember 2018-12-31 0000930236 us-gaap:RepurchaseAgreementsMember 2018-12-31 0000930236 us-gaap:RepurchaseAgreementsMember 2019-06-30 0000930236 us-gaap:InterestRateSwapMember 2019-06-30 0000930236 rwt:ToBeAnnouncedContractsMember 2019-06-30 0000930236 rwt:InterestRateAgreementTBAsAndFuturesMember 2019-06-30 0000930236 us-gaap:WarehouseAgreementBorrowingsMember 2019-06-30 0000930236 us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember 2019-06-30 0000930236 rwt:FreddieMacSLSTMember 2019-06-30 2019-06-30 0000930236 rwt:ExcessServicingEntitiesMember 2019-06-30 2019-06-30 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember 2019-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember rwt:MultifamilyLoansHeldforInvestmentMember 2019-06-30 0000930236 rwt:FreddieMacSLSTMember us-gaap:AccruedLiabilitiesMember 2019-06-30 0000930236 us-gaap:OtherInvestmentsMember 2019-06-30 0000930236 rwt:ExcessServicingEntitiesMember rwt:MultifamilyLoansHeldforInvestmentMember 2019-06-30 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember us-gaap:AssetBackedSecuritiesMember 2019-06-30 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember us-gaap:RealEstateInvestmentMember 2019-06-30 0000930236 rwt:FreddieMacSLSTMember rwt:InterestPayableMember 2019-06-30 0000930236 us-gaap:AccruedLiabilitiesMember 2019-06-30 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember us-gaap:AccruedLiabilitiesMember 2019-06-30 0000930236 rwt:ExcessServicingEntitiesMember rwt:RestrictedCashMember 2019-06-30 0000930236 us-gaap:RealEstateInvestmentMember 2019-06-30 0000930236 rwt:FreddieMacSLSTMember rwt:MultifamilyLoansHeldforInvestmentMember 2019-06-30 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember us-gaap:ShortTermDebtMember 2019-06-30 0000930236 rwt:ExcessServicingEntitiesMember us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember 2019-06-30 0000930236 rwt:MultifamilyLoansHeldforInvestmentMember 2019-06-30 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember rwt:MultifamilyLoansHeldforInvestmentMember 2019-06-30 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember us-gaap:AssetBackedSecuritiesMember 2019-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember rwt:InterestReceivableMember 2019-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:RealEstateInvestmentMember 2019-06-30 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-06-30 2019-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:ExcessServicingEntitiesMember us-gaap:RealEstateInvestmentMember 2019-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:AccruedLiabilitiesMember 2019-06-30 0000930236 rwt:FreddieMacSLSTMember rwt:InterestReceivableMember 2019-06-30 0000930236 rwt:InterestReceivableMember 2019-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:ShortTermDebtMember 2019-06-30 0000930236 rwt:ExcessServicingEntitiesMember us-gaap:OtherInvestmentsMember 2019-06-30 0000930236 2019-06-30 2019-06-30 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:ExcessServicingEntitiesMember rwt:InterestPayableMember 2019-06-30 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember rwt:InterestReceivableMember 2019-06-30 0000930236 rwt:ExcessServicingEntitiesMember 2019-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:OtherInvestmentsMember 2019-06-30 0000930236 rwt:InterestPayableMember 2019-06-30 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember rwt:InterestPayableMember 2019-06-30 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember rwt:ResidentialLoansHeldForInvestmentMember 2019-06-30 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember us-gaap:AccruedLiabilitiesMember 2019-06-30 0000930236 rwt:FreddieMacSLSTMember us-gaap:OtherInvestmentsMember 2019-06-30 0000930236 rwt:ExcessServicingEntitiesMember rwt:InterestReceivableMember 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember 2019-06-30 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember rwt:InterestPayableMember 2019-06-30 0000930236 rwt:FreddieMacSLSTMember 2019-06-30 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember rwt:RestrictedCashMember 2019-06-30 0000930236 rwt:ExcessServicingEntitiesMember us-gaap:AccruedLiabilitiesMember 2019-06-30 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember rwt:InterestReceivableMember 2019-06-30 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember 2019-06-30 0000930236 rwt:FreddieMacSLSTMember us-gaap:ShortTermDebtMember 2019-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember rwt:ResidentialLoansHeldForInvestmentMember 2019-06-30 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember 2019-06-30 0000930236 rwt:ExcessServicingEntitiesMember rwt:ResidentialLoansHeldForInvestmentMember 2019-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentMember 2019-06-30 0000930236 rwt:FreddieMacSLSTMember us-gaap:RealEstateInvestmentMember 2019-06-30 0000930236 rwt:RestrictedCashMember 2019-06-30 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember rwt:RestrictedCashMember 2019-06-30 0000930236 rwt:FreddieMacSLSTMember rwt:ResidentialLoansHeldForInvestmentMember 2019-06-30 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember us-gaap:RealEstateInvestmentMember 2019-06-30 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember us-gaap:OtherInvestmentsMember 2019-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember rwt:InterestPayableMember 2019-06-30 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember 2019-06-30 2019-06-30 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember us-gaap:ShortTermDebtMember 2019-06-30 0000930236 rwt:FreddieMacSLSTMember us-gaap:AssetBackedSecuritiesMember 2019-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:AssetBackedSecuritiesMember 2019-06-30 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember rwt:MultifamilyLoansHeldforInvestmentMember 2019-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2019-06-30 2019-06-30 0000930236 us-gaap:ShortTermDebtMember 2019-06-30 0000930236 rwt:ExcessServicingEntitiesMember us-gaap:AssetBackedSecuritiesMember 2019-06-30 0000930236 rwt:FreddieMacSLSTMember rwt:RestrictedCashMember 2019-06-30 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember us-gaap:OtherInvestmentsMember 2019-06-30 0000930236 rwt:ExcessServicingEntitiesMember us-gaap:ShortTermDebtMember 2019-06-30 0000930236 rwt:FreddieMacSLSTMember us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember 2019-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember rwt:RestrictedCashMember 2019-06-30 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember rwt:ResidentialLoansHeldForInvestmentMember 2019-06-30 0000930236 us-gaap:AvailableforsaleSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2019-01-01 2019-06-30 0000930236 rwt:TradingSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2019-04-01 2019-06-30 0000930236 us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2018-01-01 2018-06-30 0000930236 rwt:TradingSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2018-01-01 2018-06-30 0000930236 us-gaap:AvailableforsaleSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2019-04-01 2019-06-30 0000930236 rwt:TradingSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2018-04-01 2018-06-30 0000930236 us-gaap:AvailableforsaleSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2018-01-01 2018-06-30 0000930236 rwt:TradingSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2019-01-01 2019-06-30 0000930236 us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2019-04-01 2019-06-30 0000930236 us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2019-01-01 2019-06-30 0000930236 us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2018-04-01 2018-06-30 0000930236 us-gaap:AvailableforsaleSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2018-04-01 2018-06-30 0000930236 rwt:FreddieMacSLSTMember us-gaap:VariableInterestEntityPrimaryBeneficiaryMember 2019-06-30 0000930236 rwt:SeniorSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2018-12-31 0000930236 us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2012-01-01 2019-06-30 0000930236 rwt:SeniorSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2019-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:VariableInterestEntityPrimaryBeneficiaryMember 2019-06-30 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember us-gaap:VariableInterestEntityPrimaryBeneficiaryMember 2019-06-30 0000930236 rwt:ExcessServicingEntitiesMember us-gaap:VariableInterestEntityPrimaryBeneficiaryMember 2019-06-30 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember us-gaap:VariableInterestEntityPrimaryBeneficiaryMember 2019-06-30 0000930236 rwt:SeniorAndSubordinatedSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2018-12-31 0000930236 rwt:InterestOnlyStripAndSeniorSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2018-12-31 0000930236 us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2019-06-30 0000930236 rwt:MortgageServicingRightsMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2019-06-30 0000930236 us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2018-12-31 0000930236 rwt:InterestOnlyStripAndSeniorSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2019-06-30 0000930236 rwt:MortgageServicingRightsMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2018-12-31 0000930236 rwt:SeniorAndSubordinatedSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2019-06-30 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember us-gaap:AccruedLiabilitiesMember 2018-12-31 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:FreddieMacSLSTMember us-gaap:OtherInvestmentsMember 2018-12-31 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember rwt:InterestReceivableMember 2018-12-31 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember 2018-12-31 2018-12-31 0000930236 rwt:ExcessServicingEntitiesMember rwt:MultifamilyLoansHeldforInvestmentMember 2018-12-31 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember us-gaap:AssetBackedSecuritiesMember 2018-12-31 0000930236 rwt:FreddieMacSLSTMember us-gaap:AccruedLiabilitiesMember 2018-12-31 0000930236 rwt:ExcessServicingEntitiesMember rwt:InterestPayableMember 2018-12-31 0000930236 rwt:ExcessServicingEntitiesMember us-gaap:ShortTermDebtMember 2018-12-31 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember us-gaap:OtherInvestmentsMember 2018-12-31 0000930236 rwt:InterestPayableMember 2018-12-31 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:ShortTermDebtMember 2018-12-31 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember rwt:MultifamilyLoansHeldforInvestmentMember 2018-12-31 0000930236 rwt:ExcessServicingEntitiesMember 2018-12-31 2018-12-31 0000930236 rwt:ExcessServicingEntitiesMember us-gaap:AccruedLiabilitiesMember 2018-12-31 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember rwt:InterestReceivableMember 2018-12-31 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember rwt:ResidentialLoansHeldForInvestmentMember 2018-12-31 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember rwt:MultifamilyLoansHeldforInvestmentMember 2018-12-31 0000930236 rwt:ExcessServicingEntitiesMember rwt:InterestReceivableMember 2018-12-31 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember rwt:RestrictedCashMember 2018-12-31 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember us-gaap:ShortTermDebtMember 2018-12-31 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember rwt:RestrictedCashMember 2018-12-31 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:AssetBackedSecuritiesMember 2018-12-31 0000930236 rwt:FreddieMacSLSTMember rwt:MultifamilyLoansHeldforInvestmentMember 2018-12-31 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:AccruedLiabilitiesMember 2018-12-31 0000930236 rwt:FreddieMacSLSTMember rwt:InterestReceivableMember 2018-12-31 0000930236 rwt:ResidentialLoansHeldForInvestmentMember 2018-12-31 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember us-gaap:AssetBackedSecuritiesMember 2018-12-31 0000930236 rwt:ExcessServicingEntitiesMember 2018-12-31 0000930236 rwt:FreddieMacSLSTMember 2018-12-31 0000930236 rwt:FreddieMacSLSTMember rwt:RestrictedCashMember 2018-12-31 0000930236 rwt:InterestReceivableMember 2018-12-31 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember rwt:ResidentialLoansHeldForInvestmentMember 2018-12-31 0000930236 rwt:ExcessServicingEntitiesMember us-gaap:OtherInvestmentsMember 2018-12-31 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember rwt:InterestPayableMember 2018-12-31 0000930236 rwt:ExcessServicingEntitiesMember rwt:ResidentialLoansHeldForInvestmentMember 2018-12-31 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember rwt:InterestReceivableMember 2018-12-31 0000930236 rwt:FreddieMacSLSTMember us-gaap:AssetBackedSecuritiesMember 2018-12-31 0000930236 rwt:FreddieMacSLSTMember us-gaap:RealEstateInvestmentMember 2018-12-31 0000930236 rwt:FreddieMacSLSTMember 2018-12-31 2018-12-31 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember us-gaap:RealEstateInvestmentMember 2018-12-31 0000930236 us-gaap:AccruedLiabilitiesMember 2018-12-31 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember us-gaap:AccruedLiabilitiesMember 2018-12-31 0000930236 rwt:ExcessServicingEntitiesMember us-gaap:RealEstateInvestmentMember 2018-12-31 0000930236 rwt:RestrictedCashMember 2018-12-31 0000930236 us-gaap:ShortTermDebtMember 2018-12-31 0000930236 2018-12-31 2018-12-31 0000930236 rwt:MultifamilyLoansHeldforInvestmentMember 2018-12-31 0000930236 rwt:FreddieMacSLSTMember rwt:InterestPayableMember 2018-12-31 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember us-gaap:OtherInvestmentsMember 2018-12-31 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember rwt:ResidentialLoansHeldForInvestmentMember 2018-12-31 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember rwt:MultifamilyLoansHeldforInvestmentMember 2018-12-31 0000930236 us-gaap:AssetBackedSecuritiesMember 2018-12-31 0000930236 rwt:FreddieMacSLSTMember us-gaap:ShortTermDebtMember 2018-12-31 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:OtherInvestmentsMember 2018-12-31 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember us-gaap:ShortTermDebtMember 2018-12-31 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:RealEstateInvestmentMember 2018-12-31 0000930236 rwt:ExcessServicingEntitiesMember rwt:RestrictedCashMember 2018-12-31 0000930236 rwt:FreddieMacSLSTMember rwt:ResidentialLoansHeldForInvestmentMember 2018-12-31 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember us-gaap:RealEstateInvestmentMember 2018-12-31 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2018-12-31 2018-12-31 0000930236 us-gaap:OtherInvestmentsMember 2018-12-31 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember rwt:RestrictedCashMember 2018-12-31 0000930236 us-gaap:RealEstateInvestmentMember 2018-12-31 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember 2018-12-31 2018-12-31 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember rwt:InterestPayableMember 2018-12-31 0000930236 rwt:ExcessServicingEntitiesMember us-gaap:AssetBackedSecuritiesMember 2018-12-31 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember rwt:InterestPayableMember 2018-12-31 0000930236 rwt:SubordinateSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2018-04-01 2018-06-30 0000930236 rwt:SeniorSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2018-04-01 2018-06-30 0000930236 rwt:SubordinateSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2019-04-01 2019-06-30 0000930236 rwt:SeniorSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2019-04-01 2019-06-30 0000930236 rwt:SubordinateSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2018-12-31 0000930236 rwt:MortgageServicingRightsMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2018-12-31 2018-12-31 0000930236 rwt:SubordinateSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2018-12-31 2018-12-31 0000930236 rwt:MortgageServicingRightsMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2018-12-31 0000930236 rwt:SeniorSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2018-12-31 2018-12-31 0000930236 rwt:SeniorSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2019-01-01 2019-06-30 0000930236 rwt:SubordinateSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2019-01-01 2019-06-30 0000930236 rwt:MortgageServicingRightsMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2019-06-30 0000930236 rwt:SubordinateSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2019-06-30 0000930236 rwt:MortgageServicingRightsMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2019-01-01 2019-06-30 0000930236 rwt:SubordinateSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2018-01-01 2018-06-30 0000930236 rwt:SeniorSecuritiesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2018-01-01 2018-06-30 0000930236 us-gaap:RealEstateInvestmentMember 2018-12-31 0000930236 us-gaap:RealEstateInvestmentMember 2019-06-30 0000930236 us-gaap:RealEstateInvestmentMember rwt:ExcessMortgageServicingRightsMember 2019-06-30 0000930236 us-gaap:RealEstateInvestmentMember us-gaap:ResidentialMortgageBackedSecuritiesMember 2018-12-31 0000930236 us-gaap:RealEstateInvestmentMember us-gaap:ResidentialMortgageBackedSecuritiesMember 2019-06-30 0000930236 us-gaap:RealEstateInvestmentMember rwt:SubordinateSecuritiesMember 2019-06-30 0000930236 us-gaap:RealEstateInvestmentMember rwt:SeniorSecuritiesMember 2018-12-31 0000930236 us-gaap:RealEstateInvestmentMember rwt:RealEstateSecuritiesPrimeMezzanineMember 2019-06-30 0000930236 us-gaap:RealEstateInvestmentMember rwt:ExcessMortgageServicingRightsMember 2018-12-31 0000930236 us-gaap:RealEstateInvestmentMember rwt:RealEstateSecuritiesPrimeMezzanineMember 2018-12-31 0000930236 us-gaap:RealEstateInvestmentMember rwt:SeniorSecuritiesMember 2019-06-30 0000930236 us-gaap:RealEstateInvestmentMember rwt:SubordinateSecuritiesMember 2018-12-31 0000930236 rwt:MortgageServicingRightsMember 2019-06-30 0000930236 srt:MaximumMember rwt:ResidentialJumboHybridLoansPricedToWholeLoanMarketUncommittedToSellMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:InvestmentSecuritiesMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:InvestmentSecuritiesMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:MinimumMember us-gaap:LoanPurchaseCommitmentsMember rwt:MeasurementInputPullthroughRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:ServicerAdvanceInvestmentsMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:InvestmentSecuritiesMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:InvestmentSecuritiesMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 rwt:ExcessMortgageServicingRightsMember 2019-06-30 0000930236 srt:MaximumMember rwt:ResidentialBridgeLoansHeldforinvestmentMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:InvestmentSecuritiesMember us-gaap:MeasurementInputLossSeverityMember 2019-06-30 0000930236 srt:WeightedAverageMember us-gaap:LoanPurchaseCommitmentsMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:MortgageServicingRightsMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:GuaranteeAssetMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:InvestmentSecuritiesMember us-gaap:MeasurementInputDefaultRateMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:GuaranteeAssetMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:ResidentialJumboHybridLoansPricedToWholeLoanMarketUncommittedToSellMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:ResidentialLoansPricedToSecuritizationAndWholeLoanMarketUncommittedToSellMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:ResidentialLoansPricedToWholeLoanMarketandCommittedtoSellMember rwt:MeasurementInputWholeLoanCommittedSalesPriceMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:ResidentialLoansPricedToWholeLoanMarketandCommittedtoSellMember rwt:MeasurementInputWholeLoanCommittedSalesPriceMember 2019-06-30 0000930236 srt:MinimumMember rwt:BusinessPurposeResidentialLoansMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:ExcessMortgageServicingRightsMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:GuaranteeAssetMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:InvestmentSecuritiesMember us-gaap:MeasurementInputLossSeverityMember 2019-06-30 0000930236 srt:WeightedAverageMember us-gaap:LoanPurchaseCommitmentsMember rwt:MeasurementInputPullthroughRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:MortgageServicingRightsMember rwt:MeasurementInputPerLoanAnnualCostToServiceMember 2019-06-30 0000930236 srt:MaximumMember rwt:MortgageServicingRightsMember rwt:MeasurementInputPerLoanAnnualCostToServiceMember 2019-06-30 0000930236 srt:MinimumMember us-gaap:LoanPurchaseCommitmentsMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:ResidentialBridgeLoansHeldforinvestmentMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:ServicerAdvanceInvestmentsMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:BusinessPurposeResidentialLoansMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MinimumMember us-gaap:LoanPurchaseCommitmentsMember rwt:MeasurementInputMortgageServicingRightsMultipleMember 2019-06-30 0000930236 rwt:ServicerAdvanceInvestmentsMember 2019-06-30 0000930236 srt:MaximumMember rwt:GuaranteeAssetMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:OtherRealEstateOwnedMember us-gaap:MeasurementInputLossSeverityMember 2019-06-30 0000930236 rwt:ResidentialBridgeLoansHeldforinvestmentMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:InvestmentSecuritiesMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:ResidentialLoansPricedToWholeLoanMarketandCommittedtoSellMember rwt:MeasurementInputWholeLoanCommittedSalesPriceMember 2019-06-30 0000930236 srt:MaximumMember rwt:InvestmentSecuritiesMember us-gaap:MeasurementInputLossSeverityMember 2019-06-30 0000930236 srt:MinimumMember rwt:MortgageServicingRightsMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:WeightedAverageMember us-gaap:LoanPurchaseCommitmentsMember rwt:MeasurementInputMortgageServicingRightsMultipleMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:ServicerAdvanceInvestmentsMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:OtherRealEstateOwnedMember us-gaap:MeasurementInputLossSeverityMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:ResidentialBridgeLoansHeldforinvestmentMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:MinimumMember us-gaap:LoanPurchaseCommitmentsMember rwt:MeasurementInputWholeLoanSpreadToTBAPriceMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:ExcessMortgageServicingRightsMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:BusinessPurposeResidentialLoansMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:OtherRealEstateOwnedMember us-gaap:MeasurementInputLossSeverityMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:BusinessPurposeResidentialLoansMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:ResidentialJumboHybridLoansPricedToWholeLoanMarketUncommittedToSellMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 rwt:BusinessPurposeResidentialLoansMember 2019-06-30 0000930236 srt:MaximumMember us-gaap:LoanPurchaseCommitmentsMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MaximumMember us-gaap:LoanPurchaseCommitmentsMember rwt:MeasurementInputWholeLoanSpreadToTBAPriceMember 2019-06-30 0000930236 srt:MaximumMember rwt:InvestmentSecuritiesMember us-gaap:MeasurementInputDefaultRateMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:MortgageServicingRightsMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:InvestmentSecuritiesMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:BusinessPurposeResidentialLoansMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:MaximumMember us-gaap:LoanPurchaseCommitmentsMember rwt:MeasurementInputMortgageServicingRightsMultipleMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:ServicerAdvanceInvestmentsMember 2019-01-01 2019-06-30 0000930236 srt:WeightedAverageMember rwt:GuaranteeAssetMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 rwt:FreddieMacSLSTMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:ResidentialLoansPricedToSecuritizationAndWholeLoanMarketUncommittedToSellMember rwt:MeasurementInputWholeLoanSpreadToTBAPriceMember 2019-06-30 0000930236 rwt:InvestmentSecuritiesMember 2019-06-30 0000930236 rwt:OtherRealEstateOwnedMember 2019-06-30 0000930236 srt:MinimumMember rwt:ResidentialLoansPricedToSecuritizationAndWholeLoanMarketUncommittedToSellMember rwt:MeasurementInputWholeLoanSpreadToTBAPriceMember 2019-06-30 0000930236 srt:MinimumMember rwt:ServicerAdvanceInvestmentsMember 2019-01-01 2019-06-30 0000930236 srt:WeightedAverageMember rwt:ResidentialLoansPricedToSecuritizationAndWholeLoanMarketUncommittedToSellMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:BusinessPurposeResidentialLoansMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 rwt:ResidentialLoansPricedToWholeLoanMarketandCommittedtoSellMember 2019-06-30 0000930236 srt:MaximumMember rwt:BusinessPurposeResidentialLoansMember rwt:SeniorCreditSupportMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:ServicerAdvanceInvestmentsMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:BusinessPurposeResidentialLoansMember rwt:SeniorCreditSupportMember 2019-06-30 0000930236 rwt:ResidentialLoansPricedToSecuritizationAndWholeLoanMarketUncommittedToSellMember 2019-06-30 0000930236 srt:MinimumMember rwt:MortgageServicingRightsMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 rwt:GuaranteeAssetMember 2019-06-30 0000930236 srt:MinimumMember rwt:ExcessMortgageServicingRightsMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:MortgageServicingRightsMember rwt:MeasurementInputPerLoanAnnualCostToServiceMember 2019-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:InvestmentSecuritiesMember us-gaap:MeasurementInputDefaultRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:ExcessMortgageServicingRightsMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:ExcessMortgageServicingRightsMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember 2019-06-30 0000930236 srt:MaximumMember us-gaap:LoanPurchaseCommitmentsMember rwt:MeasurementInputPullthroughRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:ResidentialLoansPricedToSecuritizationAndWholeLoanMarketUncommittedToSellMember rwt:MeasurementInputWholeLoanSpreadToTBAPriceMember 2019-06-30 0000930236 srt:MaximumMember rwt:MortgageServicingRightsMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:ResidentialLoansPricedToSecuritizationAndWholeLoanMarketUncommittedToSellMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:ServicerAdvanceInvestmentsMember 2019-01-01 2019-06-30 0000930236 srt:MaximumMember rwt:ServicerAdvanceInvestmentsMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:WeightedAverageMember us-gaap:LoanPurchaseCommitmentsMember rwt:MeasurementInputWholeLoanSpreadToTBAPriceMember 2019-06-30 0000930236 us-gaap:LoanPurchaseCommitmentsMember 2019-06-30 0000930236 srt:MinimumMember rwt:ServicerAdvanceInvestmentsMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-06-30 0000930236 srt:MinimumMember rwt:BusinessPurposeResidentialLoansMember rwt:SeniorCreditSupportMember 2019-06-30 0000930236 srt:MinimumMember rwt:GuaranteeAssetMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:ExcessMortgageServicingRightsMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:MortgageServicingRightsMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 rwt:ResidentialJumboHybridLoansPricedToWholeLoanMarketUncommittedToSellMember 2019-06-30 0000930236 us-gaap:FairValueInputsLevel3Member us-gaap:FairValueMeasurementsNonrecurringMember rwt:OtherRealEstateOwnedMember 2019-06-30 0000930236 us-gaap:FairValueInputsLevel2Member us-gaap:FairValueMeasurementsNonrecurringMember rwt:OtherRealEstateOwnedMember 2019-06-30 0000930236 us-gaap:FairValueInputsLevel1Member us-gaap:FairValueMeasurementsNonrecurringMember rwt:OtherRealEstateOwnedMember 2019-06-30 0000930236 us-gaap:FairValueMeasurementsNonrecurringMember rwt:OtherRealEstateOwnedMember 2019-04-01 2019-06-30 0000930236 us-gaap:FairValueMeasurementsNonrecurringMember rwt:OtherRealEstateOwnedMember 2019-01-01 2019-06-30 0000930236 us-gaap:FairValueMeasurementsNonrecurringMember rwt:OtherRealEstateOwnedMember 2019-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:ContingentConsiderationMember 2019-06-30 0000930236 srt:MinimumMember rwt:ContingentConsiderationMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:FreddieMacSLSTMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:ABSIssuedSecuritiesMember us-gaap:MeasurementInputLossSeverityMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:ABSIssuedSecuritiesMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:ABSIssuedSecuritiesMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:FreddieMacSLSTMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:FreddieMacSLSTMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:FreddieMacSLSTMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:MeasurementInputLossSeverityMember 2019-06-30 0000930236 srt:MaximumMember rwt:ContingentConsiderationMember rwt:MeasurementInputProbabilityOfOutcomesMember 2019-06-30 0000930236 srt:MinimumMember rwt:ABSIssuedSecuritiesMember us-gaap:MeasurementInputDefaultRateMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:MeasurementInputDefaultRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 rwt:FreddieMacSLSTMember 2019-06-30 0000930236 rwt:ABSIssuedSecuritiesMember 2019-06-30 0000930236 srt:MaximumMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:MeasurementInputLossSeverityMember 2019-06-30 0000930236 srt:MaximumMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:MeasurementInputDefaultRateMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:ContingentConsiderationMember rwt:MeasurementInputProbabilityOfOutcomesMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:ABSIssuedSecuritiesMember us-gaap:MeasurementInputDefaultRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:FreddieMacSLSTMember us-gaap:MeasurementInputLossSeverityMember 2019-06-30 0000930236 srt:MinimumMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:ABSIssuedSecuritiesMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:FreddieMacSLSTMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:ABSIssuedSecuritiesMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:MeasurementInputLossSeverityMember 2019-06-30 0000930236 srt:MaximumMember rwt:ABSIssuedSecuritiesMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:ABSIssuedSecuritiesMember us-gaap:MeasurementInputDefaultRateMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:ABSIssuedSecuritiesMember us-gaap:MeasurementInputPrepaymentRateMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:FreddieMacSLSTMember us-gaap:MeasurementInputDefaultRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:FreddieMacSLSTMember us-gaap:MeasurementInputDefaultRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:FreddieMacSLSTMember us-gaap:MeasurementInputDefaultRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:FreddieMacSLSTMember us-gaap:MeasurementInputLossSeverityMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:ABSIssuedSecuritiesMember us-gaap:MeasurementInputLossSeverityMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:FreddieMacSLSTMember us-gaap:MeasurementInputLossSeverityMember 2019-06-30 0000930236 srt:MaximumMember rwt:ContingentConsiderationMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:ContingentConsiderationMember rwt:MeasurementInputProbabilityOfOutcomesMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:ContingentConsiderationMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 srt:MaximumMember rwt:ABSIssuedSecuritiesMember us-gaap:MeasurementInputLossSeverityMember 2019-06-30 0000930236 srt:MinimumMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember us-gaap:MeasurementInputDefaultRateMember 2019-06-30 0000930236 srt:MinimumMember rwt:FreddieMacSLSTMember us-gaap:MeasurementInputDiscountRateMember 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember 2019-01-01 2019-06-30 0000930236 rwt:ContingentConsiderationMember 2019-01-01 2019-06-30 0000930236 us-gaap:DerivativeFinancialInstrumentsAssetsMember 2019-01-01 2019-06-30 0000930236 us-gaap:DerivativeFinancialInstrumentsAssetsMember 2019-06-30 0000930236 rwt:ContingentConsiderationMember 2018-12-31 0000930236 us-gaap:AssetBackedSecuritiesMember 2018-12-31 0000930236 us-gaap:DerivativeFinancialInstrumentsAssetsMember 2018-12-31 0000930236 us-gaap:AssetBackedSecuritiesMember 2019-06-30 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember 2019-06-30 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember us-gaap:LineOfCreditMember 2018-12-31 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember rwt:ServicerAdvanceFinancingMember 2019-06-30 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember rwt:ServicerAdvanceFinancingMember 2019-06-30 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember 2018-12-31 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember 2019-06-30 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember rwt:ServicerAdvanceFinancingMember 2018-12-31 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember rwt:ServicerAdvanceFinancingMember 2018-12-31 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember rwt:OtherRealEstateOwnedMember 2019-06-30 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2019-06-30 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember us-gaap:ResidentialMortgageMember rwt:MultifamilyLoansMember 2019-06-30 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember us-gaap:ResidentialMortgageMember rwt:BusinessPurposeResidentialLoansMember 2019-06-30 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember rwt:ParticipationInLoanWarehouseFacilityMember 2018-12-31 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember 2018-12-31 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtFairValueMember 2018-12-31 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtFairValueMember 2019-06-30 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember us-gaap:ResidentialMortgageMember rwt:MultifamilyLoansMember 2018-12-31 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember rwt:ParticipationInLoanWarehouseFacilityMember 2018-12-31 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember rwt:ExcessMortgageServicingRightsMember 2019-06-30 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtLowerOfCostOrFairValueMember 2018-12-31 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember rwt:ParticipationInLoanWarehouseFacilityMember 2019-06-30 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2019-06-30 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember rwt:MortgageServicingRightsMember 2019-06-30 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember us-gaap:ResidentialMortgageMember rwt:BusinessPurposeResidentialLoansMember 2018-12-31 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember rwt:OtherRealEstateOwnedMember 2018-12-31 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember rwt:OtherRealEstateOwnedMember 2018-12-31 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember us-gaap:ResidentialMortgageMember rwt:MultifamilyLoansMember 2018-12-31 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember rwt:MortgageServicingRightsMember 2019-06-30 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtLowerOfCostOrFairValueMember 2019-06-30 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember rwt:MortgageServicingRightsMember 2018-12-31 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember us-gaap:LineOfCreditMember 2018-12-31 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember rwt:ExcessMortgageServicingRightsMember 2018-12-31 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember us-gaap:ResidentialMortgageMember rwt:BusinessPurposeResidentialLoansMember 2018-12-31 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember rwt:ExcessMortgageServicingRightsMember 2019-06-30 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember rwt:MortgageServicingRightsMember 2018-12-31 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember us-gaap:ResidentialMortgageMember rwt:BusinessPurposeResidentialLoansMember 2019-06-30 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtLowerOfCostOrFairValueMember 2018-12-31 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember rwt:ServicerAdvanceInvestmentsMember 2019-06-30 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtFairValueMember 2018-12-31 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember rwt:ServicerAdvanceInvestmentsMember 2018-12-31 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember us-gaap:ResidentialMortgageMember rwt:MultifamilyLoansMember 2019-06-30 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember rwt:OtherRealEstateOwnedMember 2019-06-30 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtLowerOfCostOrFairValueMember 2019-06-30 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember rwt:ServicerAdvanceInvestmentsMember 2019-06-30 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember rwt:ExcessMortgageServicingRightsMember 2018-12-31 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember rwt:ServicerAdvanceInvestmentsMember 2018-12-31 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2018-12-31 0000930236 us-gaap:CarryingReportedAmountFairValueDisclosureMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2018-12-31 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember rwt:ParticipationInLoanWarehouseFacilityMember 2019-06-30 0000930236 us-gaap:EstimateOfFairValueFairValueDisclosureMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtFairValueMember 2019-06-30 0000930236 rwt:ResidentialBridgeLoansHeldforinvestmentMember rwt:InvestmentActivitiesMember 2018-01-01 2018-06-30 0000930236 rwt:OtherRealEstateOwnedMember rwt:InvestmentActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:MortgageServicingRightsIncomeLossIncludingRiskManagementDerivativesMember 2019-04-01 2019-06-30 0000930236 us-gaap:LoanPurchaseCommitmentsMember rwt:MortgageBankingActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember rwt:InvestmentActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:ServicerAdvanceInvestmentsMember rwt:InvestmentActivitiesMember 2018-01-01 2018-06-30 0000930236 us-gaap:PriceRiskDerivativeMember rwt:MortgageBankingActivitiesMember 2018-01-01 2018-06-30 0000930236 us-gaap:PriceRiskDerivativeMember rwt:MortgageServicingRightsIncomeLossIncludingRiskManagementDerivativesMember 2018-04-01 2018-06-30 0000930236 rwt:CommercialLoansAtFairValueMember rwt:MortgageBankingActivitiesMember 2018-01-01 2018-06-30 0000930236 rwt:ResidentialLoansAtFairValueMember rwt:MortgageBankingActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:TradingSecuritiesMember rwt:InvestmentActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:LoanPurchaseAndForwardSalesCommitmentsMember rwt:MortgageBankingActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:InvestmentActivitiesMember 2019-01-01 2019-06-30 0000930236 us-gaap:PriceRiskDerivativeMember rwt:InvestmentActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:FreddieMacSLSTMember rwt:InvestmentActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:ResidentialBridgeLoansHeldforinvestmentMember rwt:InvestmentActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:RiskSharingInvestmentsMember rwt:InvestmentActivitiesMember 2018-01-01 2018-06-30 0000930236 rwt:RiskSharingInvestmentsMember rwt:InvestmentActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:MortgageServicingRightsMember rwt:MortgageServicingRightsIncomeLossIncludingRiskManagementDerivativesMember 2018-04-01 2018-06-30 0000930236 rwt:ImpairedSecuritiesMember rwt:InvestmentActivitiesMember 2018-01-01 2018-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember rwt:InvestmentActivitiesMember 2019-04-01 2019-06-30 0000930236 us-gaap:PriceRiskDerivativeMember rwt:MortgageServicingRightsIncomeLossIncludingRiskManagementDerivativesMember 2019-01-01 2019-06-30 0000930236 us-gaap:LoanPurchaseCommitmentsMember rwt:MortgageBankingActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember rwt:InvestmentActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:ImpairedSecuritiesMember rwt:InvestmentActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:TradingSecuritiesMember rwt:InvestmentActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentMember rwt:InvestmentActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:ExcessMortgageServicingRightsMember rwt:InvestmentActivitiesMember 2018-01-01 2018-06-30 0000930236 rwt:SingleFamilyResidentialLoansHeldforsaleatFairValueMember rwt:MortgageBankingActivitiesMember 2018-01-01 2018-06-30 0000930236 rwt:TradingSecuritiesMember rwt:InvestmentActivitiesMember 2018-01-01 2018-06-30 0000930236 us-gaap:PriceRiskDerivativeMember rwt:InvestmentActivitiesMember 2018-01-01 2018-06-30 0000930236 us-gaap:PriceRiskDerivativeMember rwt:InvestmentActivitiesMember 2019-04-01 2019-06-30 0000930236 us-gaap:PriceRiskDerivativeMember rwt:MortgageServicingRightsIncomeLossIncludingRiskManagementDerivativesMember 2019-04-01 2019-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember rwt:InvestmentActivitiesMember 2018-01-01 2018-06-30 0000930236 rwt:InvestmentActivitiesMember 2018-01-01 2018-06-30 0000930236 rwt:FreddieMacSLSTMember rwt:InvestmentActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:OtherRealEstateOwnedMember rwt:InvestmentActivitiesMember 2018-01-01 2018-06-30 0000930236 rwt:MortgageServicingRightsIncomeLossIncludingRiskManagementDerivativesMember 2018-01-01 2018-06-30 0000930236 us-gaap:LoanPurchaseCommitmentsMember rwt:MortgageBankingActivitiesMember 2018-01-01 2018-06-30 0000930236 rwt:RiskSharingInvestmentsMember rwt:InvestmentActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:CommercialLoansAtFairValueMember rwt:MortgageBankingActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:SingleFamilyResidentialLoansHeldforsaleatFairValueMember rwt:MortgageBankingActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:ExcessMortgageServicingRightsMember rwt:InvestmentActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentMember rwt:InvestmentActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:TradingSecuritiesMember rwt:InvestmentActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:MortgageServicingRightsMember rwt:MortgageServicingRightsIncomeLossIncludingRiskManagementDerivativesMember 2019-01-01 2019-06-30 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember rwt:InvestmentActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:LoanPurchaseAndForwardSalesCommitmentsMember rwt:MortgageBankingActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember rwt:InvestmentActivitiesMember 2018-01-01 2018-06-30 0000930236 rwt:ResidentialLoansAtFairValueMember rwt:MortgageBankingActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentMember rwt:InvestmentActivitiesMember 2018-01-01 2018-06-30 0000930236 rwt:MortgageServicingRightsIncomeLossIncludingRiskManagementDerivativesMember 2018-04-01 2018-06-30 0000930236 rwt:RiskSharingInvestmentsMember rwt:InvestmentActivitiesMember 2018-04-01 2018-06-30 0000930236 us-gaap:PriceRiskDerivativeMember rwt:MortgageServicingRightsIncomeLossIncludingRiskManagementDerivativesMember 2018-01-01 2018-06-30 0000930236 rwt:LoanPurchaseAndForwardSalesCommitmentsMember rwt:MortgageBankingActivitiesMember 2018-01-01 2018-06-30 0000930236 rwt:MortgageBankingActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:MortgageBankingActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:OtherRealEstateOwnedMember rwt:InvestmentActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:ServicerAdvanceInvestmentsMember rwt:InvestmentActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:SingleFamilyResidentialLoansHeldforsaleatFairValueMember rwt:MortgageBankingActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:MortgageServicingRightsMember rwt:MortgageServicingRightsIncomeLossIncludingRiskManagementDerivativesMember 2019-04-01 2019-06-30 0000930236 us-gaap:PriceRiskDerivativeMember rwt:InvestmentActivitiesMember 2018-04-01 2018-06-30 0000930236 us-gaap:LoanPurchaseCommitmentsMember rwt:MortgageBankingActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:CommercialLoansAtFairValueMember rwt:MortgageBankingActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:MortgageServicingRightsIncomeLossIncludingRiskManagementDerivativesMember 2019-01-01 2019-06-30 0000930236 rwt:InvestmentActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:InvestmentActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:LoanPurchaseAndForwardSalesCommitmentsMember rwt:MortgageBankingActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:MortgageBankingActivitiesMember 2018-01-01 2018-06-30 0000930236 rwt:ExcessMortgageServicingRightsMember rwt:InvestmentActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember rwt:InvestmentActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentMember rwt:InvestmentActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember rwt:InvestmentActivitiesMember 2018-01-01 2018-06-30 0000930236 us-gaap:PriceRiskDerivativeMember rwt:MortgageBankingActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:ResidentialLoansAtFairValueMember rwt:MortgageBankingActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:MortgageServicingRightsMember rwt:MortgageServicingRightsIncomeLossIncludingRiskManagementDerivativesMember 2018-01-01 2018-06-30 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember rwt:InvestmentActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember rwt:InvestmentActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:FreddieMacSLSTMember rwt:InvestmentActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:ServicerAdvanceInvestmentsMember rwt:InvestmentActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:SingleFamilyResidentialLoansHeldforsaleatFairValueMember rwt:MortgageBankingActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:FreddieMacSLSTMember rwt:InvestmentActivitiesMember 2018-01-01 2018-06-30 0000930236 rwt:ServicerAdvanceInvestmentsMember rwt:InvestmentActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:SequoiaChoiceSecuritizationEntitiesMember rwt:InvestmentActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:ImpairedSecuritiesMember rwt:InvestmentActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember rwt:InvestmentActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:CommercialLoansAtFairValueMember rwt:MortgageBankingActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:ResidentialLoansAtFairValueMember rwt:MortgageBankingActivitiesMember 2018-01-01 2018-06-30 0000930236 rwt:ExcessMortgageServicingRightsMember rwt:InvestmentActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:ResidentialBridgeLoansHeldforinvestmentMember rwt:InvestmentActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:ImpairedSecuritiesMember rwt:InvestmentActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:MortgageBankingActivitiesMember 2019-04-01 2019-06-30 0000930236 us-gaap:PriceRiskDerivativeMember rwt:MortgageBankingActivitiesMember 2018-04-01 2018-06-30 0000930236 us-gaap:PriceRiskDerivativeMember rwt:MortgageBankingActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:OtherRealEstateOwnedMember rwt:InvestmentActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:ResidentialBridgeLoansHeldforinvestmentMember rwt:InvestmentActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:MortgageServicingRightsMember 2019-01-01 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember 2019-04-01 2019-06-30 0000930236 rwt:AssetValueGuaranteesMember 2019-04-01 2019-06-30 0000930236 rwt:TradingSecuritiesMember 2018-01-01 2018-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember rwt:MultifamilyLoansMember 2019-04-01 2019-06-30 0000930236 us-gaap:LoanPurchaseCommitmentsMember 2018-01-01 2018-06-30 0000930236 rwt:BusinessPurposeResidentialLoansMember 2018-01-01 2018-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember rwt:MultifamilyLoansMember 2018-04-01 2018-06-30 0000930236 rwt:BusinessPurposeResidentialLoansMember 2019-04-01 2019-06-30 0000930236 rwt:BusinessPurposeResidentialLoansMember 2018-04-01 2018-06-30 0000930236 rwt:ResidentialLoansHeldAtRedwoodMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2018-04-01 2018-06-30 0000930236 rwt:AssetValueGuaranteesMember 2018-04-01 2018-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember rwt:MultifamilyLoansMember 2018-01-01 2018-06-30 0000930236 rwt:MortgageServicingRightsMember 2018-01-01 2018-06-30 0000930236 us-gaap:AvailableforsaleSecuritiesMember 2018-04-01 2018-06-30 0000930236 us-gaap:AvailableforsaleSecuritiesMember 2019-01-01 2019-06-30 0000930236 rwt:FreddieMacSLSTMember 2018-01-01 2018-06-30 0000930236 us-gaap:LoanPurchaseCommitmentsMember 2019-04-01 2019-06-30 0000930236 rwt:ExcessMortgageServicingRightsMember 2018-01-01 2018-06-30 0000930236 us-gaap:AvailableforsaleSecuritiesMember 2018-01-01 2018-06-30 0000930236 rwt:FreddieMacSLSTMember 2018-04-01 2018-06-30 0000930236 rwt:ResidentialLoansHeldAtRedwoodMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2019-01-01 2019-06-30 0000930236 rwt:FreddieMacSLSTMember 2019-01-01 2019-06-30 0000930236 rwt:ResidentialLoansAtConsolidatedSequoiaEntitiesMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2018-04-01 2018-06-30 0000930236 us-gaap:LoanPurchaseCommitmentsMember 2019-04-01 2019-06-30 0000930236 rwt:ExcessMortgageServicingRightsMember 2018-04-01 2018-06-30 0000930236 rwt:BusinessPurposeResidentialLoansMember 2019-01-01 2019-06-30 0000930236 rwt:ExcessMortgageServicingRightsMember 2019-01-01 2019-06-30 0000930236 rwt:FreddieMacSLSTMember 2019-04-01 2019-06-30 0000930236 rwt:MortgageServicingRightsMember 2019-04-01 2019-06-30 0000930236 rwt:ServicerAdvanceInvestmentsMember 2019-04-01 2019-06-30 0000930236 rwt:TradingSecuritiesMember 2019-04-01 2019-06-30 0000930236 rwt:ResidentialLoansAtConsolidatedSequoiaEntitiesMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2018-01-01 2018-06-30 0000930236 rwt:MortgageServicingRightsMember 2018-04-01 2018-06-30 0000930236 rwt:AssetValueGuaranteesMember 2019-01-01 2019-06-30 0000930236 rwt:ServicerAdvanceInvestmentsMember 2019-01-01 2019-06-30 0000930236 us-gaap:LoanPurchaseCommitmentsMember 2018-04-01 2018-06-30 0000930236 rwt:ExcessMortgageServicingRightsMember 2019-04-01 2019-06-30 0000930236 rwt:AssetValueGuaranteesMember 2018-01-01 2018-06-30 0000930236 rwt:ServicerAdvanceInvestmentsMember 2018-01-01 2018-06-30 0000930236 us-gaap:AvailableforsaleSecuritiesMember 2019-04-01 2019-06-30 0000930236 us-gaap:LoanPurchaseCommitmentsMember 2019-01-01 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember 2018-01-01 2018-06-30 0000930236 us-gaap:LoanPurchaseCommitmentsMember 2018-04-01 2018-06-30 0000930236 rwt:ResidentialLoansHeldAtRedwoodMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2019-04-01 2019-06-30 0000930236 rwt:ResidentialLoansHeldAtRedwoodMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2018-01-01 2018-06-30 0000930236 rwt:TradingSecuritiesMember 2018-04-01 2018-06-30 0000930236 us-gaap:LoanPurchaseCommitmentsMember 2018-01-01 2018-06-30 0000930236 rwt:ResidentialLoansAtConsolidatedSequoiaEntitiesMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2019-01-01 2019-06-30 0000930236 rwt:ServicerAdvanceInvestmentsMember 2018-04-01 2018-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember rwt:MultifamilyLoansMember 2019-01-01 2019-06-30 0000930236 rwt:TradingSecuritiesMember 2019-01-01 2019-06-30 0000930236 us-gaap:LoanPurchaseCommitmentsMember 2019-01-01 2019-06-30 0000930236 rwt:ResidentialLoansAtConsolidatedSequoiaEntitiesMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2019-04-01 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember 2018-04-01 2018-06-30 0000930236 srt:MaximumMember rwt:RealEstateSecuritiesMember 2019-06-30 0000930236 rwt:ServicerAdvanceInvestmentsMember 2019-04-01 2019-06-30 0000930236 rwt:ServicerAdvanceInvestmentsMember 2019-01-01 2019-06-30 0000930236 rwt:MortgageServicingRightsMember srt:MaximumMember 2019-06-30 0000930236 rwt:ResidentialSeniorSecuritiesMember 2019-01-01 2019-06-30 0000930236 rwt:ResidentialLoansMember 2019-04-01 2019-06-30 0000930236 rwt:ResidentialSubordinateSecuritiesMember rwt:SubordinateSecuritiesMember 2019-01-01 2019-06-30 0000930236 rwt:ResidentialLoansMember 2019-01-01 2019-06-30 0000930236 rwt:ResidentialSubordinateSecuritiesMember rwt:SubordinateSecuritiesMember 2019-04-01 2019-06-30 0000930236 rwt:ExcessMortgageServicingRightsMember 2019-01-01 2019-06-30 0000930236 rwt:ResidentialSeniorSecuritiesMember 2019-04-01 2019-06-30 0000930236 rwt:ExcessMortgageServicingRightsMember 2019-04-01 2019-06-30 0000930236 rwt:ResidentialLoansAtFairValueMember 2019-01-01 2019-06-30 0000930236 us-gaap:AvailableforsaleSecuritiesMember 2018-12-31 0000930236 rwt:TradingSecuritiesMember 2018-12-31 0000930236 rwt:MultifamilyLoansMember 2019-01-01 2019-06-30 0000930236 rwt:ResidentialLoansAtFairValueMember 2018-12-31 0000930236 us-gaap:AvailableforsaleSecuritiesMember 2019-06-30 0000930236 rwt:MultifamilyLoansMember 2019-06-30 0000930236 rwt:ServicerAdvanceInvestmentsMember 2018-12-31 0000930236 rwt:AssetValueGuaranteesMember 2019-06-30 0000930236 rwt:MortgageServicingRightsMember 2018-12-31 0000930236 rwt:AssetValueGuaranteesMember 2018-12-31 0000930236 rwt:ExcessMortgageServicingRightsMember 2018-12-31 0000930236 rwt:ResidentialLoansAtFairValueMember 2019-06-30 0000930236 rwt:TradingSecuritiesMember 2019-06-30 0000930236 rwt:BusinessPurposeResidentialLoansMember 2018-12-31 0000930236 rwt:MultifamilyLoansMember 2018-12-31 0000930236 us-gaap:FairValueMeasurementsRecurringMember 2019-06-30 0000930236 us-gaap:FairValueInputsLevel2Member us-gaap:FairValueMeasurementsRecurringMember 2019-06-30 0000930236 us-gaap:FairValueInputsLevel2Member us-gaap:FairValueMeasurementsRecurringMember rwt:ResidentialLoansAtFairValueMember 2019-06-30 0000930236 us-gaap:FairValueInputsLevel1Member us-gaap:FairValueMeasurementsRecurringMember 2019-06-30 0000930236 us-gaap:FairValueInputsLevel3Member us-gaap:FairValueMeasurementsRecurringMember 2019-06-30 0000930236 us-gaap:FairValueInputsLevel3Member us-gaap:FairValueMeasurementsRecurringMember rwt:ResidentialLoansAtFairValueMember 2019-06-30 0000930236 us-gaap:FairValueMeasurementsRecurringMember rwt:ResidentialLoansAtFairValueMember 2019-06-30 0000930236 us-gaap:FairValueInputsLevel1Member us-gaap:FairValueMeasurementsRecurringMember rwt:ResidentialLoansAtFairValueMember 2019-06-30 0000930236 us-gaap:FairValueInputsLevel3Member us-gaap:FairValueMeasurementsRecurringMember 2018-12-31 0000930236 us-gaap:FairValueInputsLevel1Member us-gaap:FairValueMeasurementsRecurringMember 2018-12-31 0000930236 us-gaap:FairValueMeasurementsRecurringMember 2018-12-31 0000930236 us-gaap:FairValueInputsLevel2Member us-gaap:FairValueMeasurementsRecurringMember 2018-12-31 0000930236 us-gaap:FairValueInputsLevel1Member us-gaap:FairValueMeasurementsRecurringMember rwt:ResidentialLoansAtFairValueMember 2018-12-31 0000930236 us-gaap:FairValueInputsLevel2Member us-gaap:FairValueMeasurementsRecurringMember rwt:ResidentialLoansAtFairValueMember 2018-12-31 0000930236 us-gaap:FairValueMeasurementsRecurringMember rwt:ResidentialLoansAtFairValueMember 2018-12-31 0000930236 us-gaap:FairValueInputsLevel3Member us-gaap:FairValueMeasurementsRecurringMember rwt:ResidentialLoansAtFairValueMember 2018-12-31 0000930236 srt:MaximumMember rwt:ResidentialJumboHybridLoansPricedToWholeLoanMarketUncommittedToSellMember rwt:MeasurementInputWholeLoanSpreadToSwapPriceMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:BusinessPurposeResidentialLoansMember rwt:SeniorCreditSpreadMember 2019-06-30 0000930236 srt:MinimumMember rwt:BusinessPurposeResidentialLoansMember rwt:SeniorCreditSpreadMember 2019-06-30 0000930236 srt:MaximumMember rwt:ResidentialLoansPricedToSecuritizationAndWholeLoanMarketUncommittedToSellMember rwt:MeasurementInputWholeLoanSpreadToSwapPriceMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:ExcessMortgageServicingRightsMember rwt:MeasurementInputMortgageServicingAmountMember 2019-06-30 0000930236 srt:MinimumMember rwt:ResidentialLoansPricedToSecuritizationAndWholeLoanMarketUncommittedToSellMember rwt:MeasurementInputWholeLoanSpreadToSwapPriceMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:BusinessPurposeResidentialLoansMember rwt:MeasurementInputSubordinateCreditSpreadMember 2019-06-30 0000930236 srt:MaximumMember us-gaap:LoanPurchaseCommitmentsMember rwt:MeasurementInputWholeLoanSpreadToSwapRateHybridMember 2019-06-30 0000930236 srt:MinimumMember us-gaap:LoanPurchaseCommitmentsMember rwt:MeasurementInputWholeLoanSpreadToSwapRateHybridMember 2019-06-30 0000930236 srt:MaximumMember rwt:BusinessPurposeResidentialLoansMember rwt:MeasurementInputSubordinateCreditSpreadMember 2019-06-30 0000930236 srt:MaximumMember us-gaap:LoanPurchaseCommitmentsMember rwt:MeasurementInputWholeLoanSpreadToSwapRateFixedMember 2019-06-30 0000930236 srt:MinimumMember us-gaap:LoanPurchaseCommitmentsMember rwt:MeasurementInputWholeLoanSpreadToSwapRateFixedMember 2019-06-30 0000930236 srt:WeightedAverageMember us-gaap:LoanPurchaseCommitmentsMember rwt:MeasurementInputWholeLoanSpreadToSwapRateFixedMember 2019-06-30 0000930236 srt:MaximumMember rwt:BusinessPurposeResidentialLoansMember rwt:SeniorCreditSpreadMember 2019-06-30 0000930236 srt:MinimumMember rwt:ResidentialJumboHybridLoansPricedToWholeLoanMarketUncommittedToSellMember rwt:MeasurementInputWholeLoanSpreadToSwapPriceMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:ResidentialJumboHybridLoansPricedToWholeLoanMarketUncommittedToSellMember rwt:MeasurementInputWholeLoanSpreadToSwapPriceMember 2019-06-30 0000930236 srt:WeightedAverageMember rwt:ResidentialLoansPricedToSecuritizationAndWholeLoanMarketUncommittedToSellMember rwt:MeasurementInputWholeLoanSpreadToSwapPriceMember 2019-06-30 0000930236 srt:WeightedAverageMember us-gaap:LoanPurchaseCommitmentsMember rwt:MeasurementInputWholeLoanSpreadToSwapRateHybridMember 2019-06-30 0000930236 srt:MaximumMember rwt:ExcessMortgageServicingRightsMember rwt:MeasurementInputMortgageServicingAmountMember 2019-06-30 0000930236 srt:MinimumMember rwt:BusinessPurposeResidentialLoansMember rwt:MeasurementInputSubordinateCreditSpreadMember 2019-06-30 0000930236 srt:MinimumMember rwt:ExcessMortgageServicingRightsMember rwt:MeasurementInputMortgageServicingAmountMember 2019-06-30 0000930236 us-gaap:ResidentialMortgageMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:JumboLoanMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtFairValueMember 2018-12-31 0000930236 rwt:JumboLoanMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtFairValueMember rwt:LegacySequoiaSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:RedwoodTrustInc.Member us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForSaleMember 2018-12-31 0000930236 us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForSaleMember rwt:LegacySequoiaSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:RedwoodTrustInc.Member rwt:JumboLoanMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2018-12-31 0000930236 us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtLowerOfCostOrFairValueMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2018-12-31 0000930236 us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtLowerOfCostOrFairValueMember rwt:FreddieMacSLSTMember 2018-12-31 0000930236 us-gaap:ResidentialMortgageMember rwt:LegacySequoiaSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:RedwoodTrustInc.Member rwt:JumboLoanMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtFairValueMember 2018-12-31 0000930236 us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtLowerOfCostOrFairValueMember 2018-12-31 0000930236 us-gaap:ResidentialMortgageMember 2018-12-31 0000930236 rwt:JumboLoanMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:FreddieMacSLSTMember 2018-12-31 0000930236 rwt:RedwoodTrustInc.Member us-gaap:ResidentialMortgageMember 2018-12-31 0000930236 rwt:JumboLoanMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2018-12-31 0000930236 us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForSaleMember 2018-12-31 0000930236 rwt:RedwoodTrustInc.Member us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtLowerOfCostOrFairValueMember 2018-12-31 0000930236 rwt:JumboLoanMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2018-12-31 0000930236 us-gaap:ResidentialMortgageMember rwt:FreddieMacSLSTMember 2018-12-31 0000930236 us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForSaleMember rwt:FreddieMacSLSTMember 2018-12-31 0000930236 us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtLowerOfCostOrFairValueMember rwt:LegacySequoiaSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:JumboLoanMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:LegacySequoiaSecuritizationEntitiesMember 2018-12-31 0000930236 us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForSaleMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:JumboLoanMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtFairValueMember rwt:FreddieMacSLSTMember 2018-12-31 0000930236 rwt:JumboLoanMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtFairValueMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2018-12-31 0000930236 us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtLowerOfCostOrFairValueMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:JumboLoanMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtFairValueMember rwt:LegacySequoiaSecuritizationEntitiesMember 2019-06-30 0000930236 us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForSaleMember rwt:FreddieMacSLSTMember 2019-06-30 0000930236 rwt:RedwoodTrustInc.Member us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtLowerOfCostOrFairValueMember 2019-06-30 0000930236 us-gaap:ResidentialMortgageMember rwt:LegacySequoiaSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:RedwoodTrustInc.Member rwt:JumboLoanMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2019-06-30 0000930236 rwt:JumboLoanMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:FreddieMacSLSTMember 2019-06-30 0000930236 us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtLowerOfCostOrFairValueMember 2019-06-30 0000930236 rwt:RedwoodTrustInc.Member us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForSaleMember 2019-06-30 0000930236 us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtLowerOfCostOrFairValueMember rwt:FreddieMacSLSTMember 2019-06-30 0000930236 rwt:JumboLoanMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2019-06-30 0000930236 rwt:JumboLoanMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtFairValueMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-06-30 0000930236 us-gaap:ResidentialMortgageMember 2019-06-30 0000930236 rwt:JumboLoanMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtFairValueMember 2019-06-30 0000930236 us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtLowerOfCostOrFairValueMember rwt:LegacySequoiaSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:RedwoodTrustInc.Member rwt:JumboLoanMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtFairValueMember 2019-06-30 0000930236 rwt:JumboLoanMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansAtFairValueMember rwt:FreddieMacSLSTMember 2019-06-30 0000930236 us-gaap:ResidentialMortgageMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-06-30 0000930236 us-gaap:ResidentialMortgageMember rwt:FreddieMacSLSTMember 2019-06-30 0000930236 us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForSaleMember 2019-06-30 0000930236 rwt:JumboLoanMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-06-30 0000930236 us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForSaleMember rwt:LegacySequoiaSecuritizationEntitiesMember 2019-06-30 0000930236 us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForSaleMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:RedwoodTrustInc.Member us-gaap:ResidentialMortgageMember 2019-06-30 0000930236 rwt:JumboLoanMember us-gaap:ResidentialMortgageMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:LegacySequoiaSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:RedwoodTrustInc.Member rwt:HybridOrARMLoansMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2019-06-30 0000930236 rwt:ResidentialLoansAtFairValueMember 2018-01-01 2018-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:FreddieMacSLSTMember 2019-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:LegacySequoiaSecuritizationEntitiesMember 2019-04-01 2019-06-30 0000930236 rwt:RedwoodTrustInc.Member rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2018-04-01 2018-06-30 0000930236 rwt:RedwoodTrustInc.Member rwt:ResidentialLoansHeldForInvestmentAtFairValueMember us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember 2018-12-31 0000930236 rwt:RedwoodTrustInc.Member rwt:ResidentialLoansHeldForInvestmentAtFairValueMember us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember 2019-06-30 0000930236 rwt:ResidentialLoansAtFairValueMember 2019-01-01 2019-06-30 0000930236 rwt:ResidentialLoansAtLowerOfCostOrFairValueMember us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember 2019-06-30 0000930236 rwt:RedwoodTrustInc.Member rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2019-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:LegacySequoiaSecuritizationEntitiesMember 2019-01-01 2019-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:FreddieMacSLSTMember 2018-12-31 0000930236 rwt:RedwoodTrustInc.Member rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2019-01-01 2019-06-30 0000930236 rwt:RedwoodTrustInc.Member rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2019-04-01 2019-06-30 0000930236 rwt:RedwoodTrustInc.Member rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2018-01-01 2018-06-30 0000930236 rwt:ResidentialLoansAtFairValueMember 2019-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:LegacySequoiaSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:ResidentialLoansAtFairValueMember 2018-04-01 2018-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:RedwoodTrustInc.Member rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2019-06-30 2019-06-30 0000930236 rwt:ResidentialLoansAtLowerOfCostOrFairValueMember 2019-06-30 0000930236 rwt:ResidentialLoansAtFairValueMember 2019-04-01 2019-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:RedwoodTrustInc.Member rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2018-12-31 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2018-12-31 2018-12-31 0000930236 rwt:MortgageServicingRightsMember 2019-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:LegacySequoiaSecuritizationEntitiesMember 2018-01-01 2018-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-04-01 2019-06-30 0000930236 rwt:RedwoodTrustInc.Member srt:FederalHomeLoanBankOfChicagoMember us-gaap:ResidentialRealEstateMember us-gaap:ResidentialMortgageMember 2019-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-01-01 2019-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:LegacySequoiaSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:FreddieMacSLSTMember 2019-04-01 2019-06-30 0000930236 rwt:ResidentialLoansAtLowerOfCostOrFairValueMember 2019-01-01 2019-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-01-01 2019-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:FreddieMacSLSTMember 2019-01-01 2019-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-06-30 2019-06-30 0000930236 rwt:ResidentialLoansAtFairValueMember us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember 2019-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:FreddieMacSLSTMember 2018-12-31 2018-12-31 0000930236 rwt:ResidentialLoansAtFairValueMember 2018-12-31 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:LegacySequoiaSecuritizationEntitiesMember 2018-04-01 2018-06-30 0000930236 rwt:RedwoodTrustInc.Member rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2018-12-31 2018-12-31 0000930236 rwt:ResidentialLoansAtFairValueMember 2018-12-31 2018-12-31 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:LegacySequoiaSecuritizationEntitiesMember 2019-06-30 2019-06-30 0000930236 rwt:RedwoodTrustInc.Member rwt:OriginatedBetween2013And2019Member rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2019-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-04-01 2019-06-30 0000930236 rwt:RedwoodTrustInc.Member us-gaap:FixedRateResidentialMortgageMember 2019-06-30 0000930236 rwt:RedwoodTrustInc.Member rwt:OriginatedDuringTwentyTwelveAndPriorYearsMember rwt:ResidentialLoansHeldForInvestmentAtFairValueMember 2019-06-30 0000930236 rwt:ResidentialLoansHeldForInvestmentAtFairValueMember rwt:LegacySequoiaSecuritizationEntitiesMember 2018-12-31 2018-12-31 0000930236 rwt:ResidentialLoansAtLowerOfCostOrFairValueMember 2018-12-31 2018-12-31 0000930236 rwt:ResidentialLoansAtLowerOfCostOrFairValueMember us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember 2018-12-31 0000930236 rwt:ResidentialLoansAtFairValueMember us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember 2018-12-31 0000930236 rwt:ResidentialLoansAtLowerOfCostOrFairValueMember 2018-12-31 0000930236 rwt:SingleFamilyRentalLoansHeldForSaleAtFairValueMember 2019-01-01 2019-02-28 0000930236 rwt:SingleFamilyRentalLoansHeldForSaleAtFairValueMember 2019-06-30 0000930236 rwt:ResidentialBridgeLoansHeldforinvestmentMember 2019-06-30 0000930236 rwt:ResidentialBridgeLoansHeldforinvestmentMember 2019-01-01 2019-02-28 0000930236 rwt:SingleFamilyRentalLoansHeldForSaleAtFairValueMember 2019-04-01 2019-06-30 0000930236 rwt:ResidentialBridgeLoansHeldforinvestmentMember 2018-12-31 0000930236 rwt:ResidentialBridgeLoansHeldforinvestmentMember 2019-06-30 2019-06-30 0000930236 rwt:BusinessPurposeResidentialLoansMember 2019-04-01 2019-06-30 0000930236 rwt:ResidentialBridgeLoansHeldforinvestmentMember 2018-12-31 2018-12-31 0000930236 srt:MaximumMember rwt:ResidentialBridgeLoansHeldforinvestmentMember 2019-01-01 2019-06-30 0000930236 rwt:ResidentialBridgeLoansHeldforinvestmentTransferredToREOMember 2019-04-01 2019-06-30 0000930236 rwt:SingleFamilyRentalLoansHeldForSaleAtFairValueMember 2018-12-31 2018-12-31 0000930236 rwt:BusinessPurposeResidentialLoansMember 2019-03-01 2019-06-30 0000930236 rwt:SingleFamilyRentalLoansHeldForSaleAtFairValueMember 2019-06-30 2019-06-30 0000930236 rwt:SingleFamilyRentalLoansHeldForSaleAtFairValueMember 2018-12-31 0000930236 rwt:SingleFamilyRentalLoansHeldForSaleAtFairValueMember 2019-01-01 2019-06-30 0000930236 rwt:CommitmentToFundResidentialBridgeLoanMember 2019-06-30 0000930236 rwt:ResidentialBridgeLoansHeldforinvestmentMember 2019-04-01 2019-06-30 0000930236 rwt:BusinessPurposeResidentialLoansMember 2019-03-01 2019-06-30 0000930236 rwt:ResidentialBridgeLoansHeldforinvestmentMember 2019-03-01 2019-06-30 0000930236 rwt:ResidentialBridgeLoansHeldforinvestmentMember 2019-01-01 2019-06-30 0000930236 rwt:SingleFamilyRentalLoansHeldForSaleAtFairValueMember 2019-03-01 2019-06-30 0000930236 rwt:ResidentialBridgeLoansHeldforinvestmentTransferredToREOMember 2019-01-01 2019-06-30 0000930236 rwt:BusinessPurposeResidentialLoansMember 2019-06-30 0000930236 rwt:BusinessPurposeResidentialLoansMember 2018-12-31 0000930236 srt:MinimumMember rwt:ResidentialBridgeLoansHeldforinvestmentMember 2019-01-01 2019-06-30 0000930236 rwt:MultifamilyLoansMember 2018-12-31 0000930236 rwt:MultifamilyLoansMember 2019-04-01 2019-06-30 0000930236 rwt:MultifamilyLoansMember 2019-01-01 2019-06-30 0000930236 rwt:MultifamilyLoansMember 2018-01-01 2018-12-31 0000930236 rwt:MultifamilyLoansMember 2019-06-30 0000930236 srt:MaximumMember rwt:MultifamilyLoansMember 2019-01-01 2019-06-30 0000930236 srt:MinimumMember rwt:MultifamilyLoansMember 2019-01-01 2019-06-30 0000930236 us-gaap:ResidentialMortgageBackedSecuritiesMember rwt:RealEstateSecuritiesPrimeMezzanineMember 2019-06-30 0000930236 us-gaap:ResidentialMortgageBackedSecuritiesMember 2019-06-30 0000930236 us-gaap:ResidentialMortgageBackedSecuritiesMember rwt:SeniorSecuritiesMember 2019-06-30 0000930236 us-gaap:ResidentialMortgageBackedSecuritiesMember rwt:SubordinateSecuritiesMember 2019-06-30 0000930236 rwt:InterestOnlySeniorTradingSecuritiesMember rwt:CertificatedServicingStripsMember 2019-06-30 0000930236 rwt:InterestOnlySeniorTradingSecuritiesMember 2019-06-30 0000930236 rwt:InterestOnlySeniorTradingSecuritiesMember rwt:CertificatedServicingStripsMember 2018-12-31 0000930236 rwt:ThirdPartyMultifamilyMortgagebackedSecuritiesMember rwt:SubordinateSecuritiesMember 2019-06-30 0000930236 rwt:SequoiaSecuritiesMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:TradingSecuritiesMember rwt:ResidentialSubordinateSecuritiesMember 2018-12-31 0000930236 us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember 2019-04-01 2019-06-30 0000930236 rwt:SequoiaSecuritiesMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:SequoiaSecuritiesMember rwt:SubordinateSecuritiesMember 2019-06-30 0000930236 rwt:SequoiaSecuritiesMember rwt:SubordinateSecuritiesMember 2018-12-31 0000930236 us-gaap:ResidentialMortgageBackedSecuritiesMember 2019-06-30 0000930236 rwt:ThirdPartyMultifamilyMortgagebackedSecuritiesMember rwt:SubordinateSecuritiesMember 2018-12-31 0000930236 us-gaap:ResidentialMortgageBackedSecuritiesMember us-gaap:AvailableforsaleSecuritiesMember 2019-06-30 0000930236 rwt:InterestOnlySeniorTradingSecuritiesMember 2018-12-31 0000930236 rwt:SequoiaSecuritiesMember rwt:FreddieMacSLSTMember 2019-06-30 0000930236 rwt:CreditRiskTransferCRTSecuritiesMember rwt:MezzanineSecuritiesMember 2019-06-30 0000930236 rwt:OtherThirdPartySecuritiesMember rwt:SubordinateSecuritiesMember 2018-12-31 0000930236 rwt:CreditRiskTransferCRTSecuritiesMember rwt:SubordinateSecuritiesMember 2018-12-31 0000930236 rwt:TradingSecuritiesMember rwt:ResidentialSubordinateSecuritiesMember 2019-06-30 0000930236 rwt:CreditRiskTransferCRTSecuritiesMember rwt:SubordinateSecuritiesMember 2019-06-30 0000930236 rwt:CreditRiskTransferCRTSecuritiesMember rwt:MezzanineSecuritiesMember 2018-12-31 0000930236 rwt:OtherThirdPartySecuritiesMember rwt:SubordinateSecuritiesMember 2019-06-30 0000930236 us-gaap:PutOptionMember 2019-01-01 2019-06-30 0000930236 us-gaap:PutOptionMember 2018-01-01 2018-06-30 0000930236 us-gaap:CallOptionMember 2018-01-01 2018-06-30 0000930236 us-gaap:CallOptionMember 2019-04-01 2019-06-30 0000930236 us-gaap:PutOptionMember 2019-04-01 2019-06-30 0000930236 us-gaap:CallOptionMember 2018-04-01 2018-06-30 0000930236 us-gaap:CallOptionMember 2019-01-01 2019-06-30 0000930236 us-gaap:PutOptionMember 2018-04-01 2018-06-30 0000930236 rwt:RealEstateSecuritiesPrimeSubordinateMember rwt:SubordinateSecuritiesMember 2019-06-30 0000930236 rwt:RealEstateSecuritiesPrimeMezzanineMember rwt:SubordinateSecuritiesMember 2018-12-31 0000930236 rwt:RealEstateSecuritiesPrimeSubordinateMember rwt:SubordinateSecuritiesMember 2018-12-31 0000930236 rwt:SeniorSecuritiesMember 2018-12-31 0000930236 rwt:SeniorSecuritiesMember 2019-06-30 0000930236 rwt:RealEstateSecuritiesPrimeMezzanineMember rwt:SubordinateSecuritiesMember 2019-06-30 0000930236 us-gaap:ResidentialMortgageBackedSecuritiesMember 2018-12-31 0000930236 us-gaap:ResidentialMortgageBackedSecuritiesMember rwt:RealEstateSecuritiesPrimeMezzanineMember 2018-12-31 0000930236 us-gaap:ResidentialMortgageBackedSecuritiesMember rwt:SeniorSecuritiesMember 2018-12-31 0000930236 us-gaap:ResidentialMortgageBackedSecuritiesMember rwt:SubordinateSecuritiesMember 2018-12-31 0000930236 us-gaap:ResidentialMortgageBackedSecuritiesMember 2019-04-01 2019-06-30 0000930236 us-gaap:ResidentialMortgageBackedSecuritiesMember 2018-12-31 0000930236 us-gaap:ResidentialMortgageBackedSecuritiesMember 2019-01-01 2019-06-30 0000930236 us-gaap:ResidentialMortgageBackedSecuritiesMember 2019-03-31 0000930236 rwt:RealEstateSecuritiesPrimeMember srt:MinimumMember 2019-01-01 2019-06-30 0000930236 rwt:RealEstateSecuritiesPrimeMember srt:MaximumMember 2019-01-01 2019-06-30 0000930236 rwt:RealEstateSecuritiesPrimeMember srt:MinimumMember 2019-06-30 0000930236 rwt:RealEstateSecuritiesPrimeMember srt:MaximumMember 2019-06-30 0000930236 us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember 2019-01-01 2019-06-30 0000930236 rwt:MortgageServicingRightsMember 2017-12-31 0000930236 rwt:MortgageServicingRightsMember 2018-04-01 2018-06-30 0000930236 rwt:MortgageServicingRightsMember 2018-06-30 0000930236 rwt:MortgageServicingRightsMember 2018-12-31 0000930236 rwt:MortgageServicingRightsMember 2019-01-01 2019-06-30 0000930236 rwt:MortgageServicingRightsMember 2018-01-01 2018-06-30 0000930236 rwt:MortgageServicingRightsMember 2019-04-01 2019-06-30 0000930236 rwt:MortgageServicingRightsMember 2019-03-31 0000930236 rwt:MortgageServicingRightsMember 2018-03-31 0000930236 rwt:ServicerAdvanceFinancingMember 2019-01-01 2019-06-30 0000930236 rwt:ServicerAdvanceFinancingMember 2019-06-30 0000930236 rwt:A5ArchesLLCMember 2018-05-31 0000930236 rwt:A5ArchesLLCMember 2019-03-01 2019-03-31 0000930236 rwt:LightRenovationMultifamilyLoansMember 2019-04-01 2019-06-30 0000930236 rwt:LightRenovationMultifamilyLoansMember 2019-06-30 0000930236 rwt:ExcessMortgageServicingRightsMember 2019-04-01 2019-06-30 0000930236 rwt:ExcessMortgageServicingRightsMember 2019-01-01 2019-06-30 0000930236 rwt:A5ArchesLLCMember 2019-01-01 2019-02-28 0000930236 rwt:ServicerAdvanceFinancingMember 2019-04-01 2019-06-30 0000930236 rwt:ExcessMortgageServicingRightsMember 2018-01-01 2018-06-30 0000930236 rwt:LightRenovationMultifamilyLoansMember 2019-01-01 2019-01-31 0000930236 rwt:ServicerAdvanceFinancingMember 2019-06-30 0000930236 rwt:ServicerAdvanceFinancingMember 2018-12-31 0000930236 rwt:MultifamilyLoansMember 2018-12-31 0000930236 rwt:ExcessMortgageServicingRightsMember 2019-06-30 0000930236 rwt:MultifamilyLoansMember 2019-06-30 0000930236 rwt:A5ArchesLLCMember 2019-06-30 0000930236 rwt:A5ArchesLLCMember 2018-12-31 0000930236 rwt:OtherNotesReceivableMember 2018-12-31 0000930236 rwt:ExcessMortgageServicingRightsMember 2018-12-31 0000930236 rwt:OtherNotesReceivableMember 2019-06-30 0000930236 us-gaap:InterestRateContractMember us-gaap:CashFlowHedgingMember 2019-04-01 2019-06-30 0000930236 us-gaap:InterestRateContractMember us-gaap:CashFlowHedgingMember 2019-01-01 2019-06-30 0000930236 us-gaap:InterestRateContractMember us-gaap:CashFlowHedgingMember 2018-01-01 2018-06-30 0000930236 us-gaap:InterestRateContractMember us-gaap:CashFlowHedgingMember 2018-04-01 2018-06-30 0000930236 us-gaap:LoanPurchaseCommitmentsMember us-gaap:DerivativeFinancialInstrumentsLiabilitiesMember 2018-12-31 0000930236 us-gaap:InterestRateSwapMember us-gaap:DerivativeFinancialInstrumentsAssetsMember 2019-06-30 0000930236 us-gaap:InterestRateSwapMember us-gaap:DerivativeFinancialInstrumentsAssetsMember 2018-12-31 0000930236 us-gaap:InterestRateSwapMember us-gaap:CashFlowHedgingMember us-gaap:DerivativeFinancialInstrumentsLiabilitiesMember 2019-06-30 0000930236 rwt:ToBeAnnouncedContractsMember us-gaap:DerivativeFinancialInstrumentsLiabilitiesMember 2019-06-30 0000930236 us-gaap:LoanPurchaseCommitmentsMember us-gaap:DerivativeFinancialInstrumentsAssetsMember 2019-06-30 0000930236 us-gaap:InterestRateSwaptionMember us-gaap:DerivativeFinancialInstrumentsAssetsMember 2018-12-31 0000930236 us-gaap:InterestRateSwaptionMember us-gaap:DerivativeFinancialInstrumentsAssetsMember 2019-06-30 0000930236 us-gaap:DerivativeFinancialInstrumentsLiabilitiesMember 2019-06-30 0000930236 us-gaap:LoanPurchaseCommitmentsMember us-gaap:DerivativeFinancialInstrumentsLiabilitiesMember 2019-06-30 0000930236 us-gaap:LoanPurchaseCommitmentsMember us-gaap:DerivativeFinancialInstrumentsAssetsMember 2018-12-31 0000930236 us-gaap:DerivativeFinancialInstrumentsLiabilitiesMember 2018-12-31 0000930236 rwt:ToBeAnnouncedContractsMember us-gaap:DerivativeFinancialInstrumentsAssetsMember 2019-06-30 0000930236 us-gaap:InterestRateSwapMember us-gaap:CashFlowHedgingMember us-gaap:DerivativeFinancialInstrumentsLiabilitiesMember 2018-12-31 0000930236 rwt:ToBeAnnouncedContractsMember us-gaap:DerivativeFinancialInstrumentsAssetsMember 2018-12-31 0000930236 us-gaap:InterestRateSwapMember us-gaap:DerivativeFinancialInstrumentsLiabilitiesMember 2019-06-30 0000930236 rwt:ToBeAnnouncedContractsMember us-gaap:DerivativeFinancialInstrumentsLiabilitiesMember 2018-12-31 0000930236 us-gaap:InterestRateSwapMember us-gaap:DerivativeFinancialInstrumentsLiabilitiesMember 2018-12-31 0000930236 rwt:LoanPurchaseCommitmentsAndForwardSalesCommitmentsMember rwt:MortgageBankingActivitiesMember 2019-04-01 2019-06-30 0000930236 us-gaap:InterestRateSwapMember us-gaap:CashFlowHedgingMember 2018-04-01 2018-06-30 0000930236 us-gaap:InterestRateContractMember 2019-06-30 0000930236 us-gaap:InterestRateSwapMember us-gaap:CashFlowHedgingMember 2019-04-01 2019-06-30 0000930236 rwt:LoanPurchaseCommitmentsAndForwardSalesCommitmentsMember rwt:MortgageBankingActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:ToBeAnnouncedContractsMember 2018-12-31 0000930236 us-gaap:InterestRateSwapMember us-gaap:CashFlowHedgingMember 2019-01-01 2019-06-30 0000930236 rwt:ResidentialAndCommercialLoansMember 2019-04-01 2019-06-30 0000930236 us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember 2018-12-31 0000930236 rwt:LoanPurchaseCommitmentsAndForwardSalesCommitmentsMember rwt:MortgageBankingActivitiesMember 2019-01-01 2019-06-30 0000930236 us-gaap:InterestRateContractMember 2018-12-31 0000930236 us-gaap:InterestRateSwapMember us-gaap:CashFlowHedgingMember 2018-01-01 2018-06-30 0000930236 rwt:ToBeAnnouncedContractsMember 2019-06-30 0000930236 rwt:ResidentialAndCommercialLoansMember 2018-04-01 2018-06-30 0000930236 us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember 2019-06-30 0000930236 rwt:ResidentialAndCommercialLoansMember 2018-01-01 2018-06-30 0000930236 rwt:ResidentialAndCommercialLoansMember 2019-01-01 2019-06-30 0000930236 rwt:LoanPurchaseCommitmentsAndForwardSalesCommitmentsMember rwt:MortgageBankingActivitiesMember 2018-01-01 2018-06-30 0000930236 rwt:LegacySequoiaSecuritizationEntitiesMember 2019-01-01 2019-06-30 0000930236 us-gaap:DebtSecuritiesMember us-gaap:BridgeLoanMember 2019-06-30 0000930236 us-gaap:DebtSecuritiesMember us-gaap:BridgeLoanMember 2019-01-01 2019-06-30 0000930236 2018-01-01 2018-12-31 0000930236 rwt:ResidentialLoanWarehouseMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 rwt:SingleFamilyRentalLoanWarehouseFacilitiesMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 rwt:BusinessPurposeWorkingCapitalMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 rwt:SingleFamilyRentalLoanWarehouseFacilitiesMember us-gaap:LineOfCreditMember 2019-01-01 2019-06-30 0000930236 rwt:ResidentialBridgeLoanWarehouseFacilitiesMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 rwt:RealEstateSecuritiesRepoMember us-gaap:LineOfCreditMember 2019-01-01 2019-06-30 0000930236 rwt:RealEstateSecuritiesRepoMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 rwt:ServicerAdvanceFinancingMember 2019-01-01 2019-06-30 0000930236 rwt:ResidentialLoanWarehouseMember us-gaap:LineOfCreditMember 2019-01-01 2019-06-30 0000930236 us-gaap:ConvertibleNotesPayableMember 2019-06-30 0000930236 us-gaap:LineOfCreditMember 2019-06-30 0000930236 us-gaap:LineOfCreditMember 2019-01-01 2019-06-30 0000930236 rwt:BusinessPurposeWorkingCapitalMember us-gaap:LineOfCreditMember 2019-01-01 2019-06-30 0000930236 us-gaap:ConvertibleNotesPayableMember 2019-01-01 2019-06-30 0000930236 rwt:ServicerAdvanceFinancingMember 2019-06-30 0000930236 rwt:ResidentialBridgeLoanWarehouseFacilitiesMember us-gaap:LineOfCreditMember 2019-01-01 2019-06-30 0000930236 rwt:ServicerAdvanceFinancingMember 2018-12-31 0000930236 rwt:SingleFamilyRentalLoanWarehouseFacilitiesMember us-gaap:LineOfCreditMember 2018-12-31 0000930236 rwt:RealEstateSecuritiesRepoMember us-gaap:LineOfCreditMember 2018-12-31 0000930236 rwt:ServicerAdvanceFinancingMember 2018-01-01 2018-12-31 0000930236 rwt:RealEstateSecuritiesRepoMember us-gaap:LineOfCreditMember 2018-01-01 2018-12-31 0000930236 us-gaap:ConvertibleNotesPayableMember 2018-12-31 0000930236 rwt:ResidentialBridgeLoanWarehouseFacilitiesMember us-gaap:LineOfCreditMember 2018-12-31 0000930236 rwt:SingleFamilyRentalLoanWarehouseFacilitiesMember us-gaap:LineOfCreditMember 2018-01-01 2018-12-31 0000930236 us-gaap:LineOfCreditMember 2018-01-01 2018-12-31 0000930236 rwt:ResidentialLoanWarehouseMember us-gaap:LineOfCreditMember 2018-01-01 2018-12-31 0000930236 rwt:ResidentialLoanWarehouseMember us-gaap:LineOfCreditMember 2018-12-31 0000930236 us-gaap:ConvertibleNotesPayableMember 2018-01-01 2018-12-31 0000930236 rwt:ResidentialBridgeLoanWarehouseFacilitiesMember us-gaap:LineOfCreditMember 2018-01-01 2018-12-31 0000930236 us-gaap:LineOfCreditMember 2018-12-31 0000930236 us-gaap:Maturity30To90DaysMember rwt:ServicerAdvanceFinancingMember 2019-06-30 0000930236 rwt:RealEstateSecuritiesMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 us-gaap:Maturity30To90DaysMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 us-gaap:Maturity30To90DaysMember rwt:ResidentialLoanWarehouseMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 us-gaap:MaturityUpTo30DaysMember 2019-06-30 0000930236 us-gaap:MaturityOver90DaysMember 2019-06-30 0000930236 us-gaap:MaturityOver90DaysMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 us-gaap:Maturity30To90DaysMember us-gaap:ConvertibleNotesPayableMember 2019-06-30 0000930236 us-gaap:MaturityOver90DaysMember rwt:ResidentialLoanWarehouseMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 us-gaap:MaturityUpTo30DaysMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 us-gaap:MaturityOver90DaysMember us-gaap:ConvertibleNotesPayableMember 2019-06-30 0000930236 us-gaap:MaturityOver90DaysMember rwt:ServicerAdvanceFinancingMember 2019-06-30 0000930236 us-gaap:MaturityUpTo30DaysMember rwt:ServicerAdvanceFinancingMember 2019-06-30 0000930236 us-gaap:Maturity30To90DaysMember rwt:ResidentialBridgeLoanWarehouseFacilitiesMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 us-gaap:Maturity30To90DaysMember 2019-06-30 0000930236 us-gaap:MaturityUpTo30DaysMember rwt:RealEstateSecuritiesMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 us-gaap:MaturityOver90DaysMember rwt:ResidentialBridgeLoanWarehouseFacilitiesMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 us-gaap:MaturityUpTo30DaysMember rwt:ResidentialBridgeLoanWarehouseFacilitiesMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 us-gaap:MaturityUpTo30DaysMember rwt:SingleFamilyRentalLoanWarehouseFacilitiesMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 us-gaap:Maturity30To90DaysMember rwt:SingleFamilyRentalLoanWarehouseFacilitiesMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 us-gaap:MaturityUpTo30DaysMember rwt:ResidentialLoanWarehouseMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 us-gaap:MaturityUpTo30DaysMember us-gaap:ConvertibleNotesPayableMember 2019-06-30 0000930236 us-gaap:MaturityOver90DaysMember rwt:RealEstateSecuritiesMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 us-gaap:Maturity30To90DaysMember rwt:RealEstateSecuritiesMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 us-gaap:MaturityOver90DaysMember rwt:SingleFamilyRentalLoanWarehouseFacilitiesMember us-gaap:LineOfCreditMember 2019-06-30 0000930236 rwt:ExchangeableSeniorNotesDue2019Member us-gaap:ConvertibleDebtMember 2018-12-31 0000930236 rwt:SequoiaSecuritiesMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:SequoiaSecuritiesMember rwt:FreddieMacSLSTMember 2018-12-31 0000930236 rwt:SequoiaSecuritiesMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:ExchangeableSeniorNotesDue2019Member us-gaap:ConvertibleDebtMember 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-01-01 2019-06-30 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2018-01-01 2018-12-31 0000930236 rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2019-01-01 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2018-01-01 2018-12-31 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:LegacySequoiaSecuritizationEntitiesMember 2019-01-01 2019-06-30 0000930236 rwt:FreddieMacSLSTMember 2018-01-01 2018-12-31 0000930236 rwt:FreddieMacSLSTMember 2019-01-01 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:LegacySequoiaSecuritizationEntitiesMember 2018-01-01 2018-12-31 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:InterestOnlyCertificatesMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2018-12-31 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:LegacySequoiaSecuritizationEntitiesMember 2018-12-31 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:FreddieMacSLSTMember 2018-12-31 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:InterestOnlyCertificatesMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2018-12-31 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:CertificatesWithPrincipalValueMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2018-12-31 0000930236 us-gaap:AssetBackedSecuritiesMember 2018-12-31 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:InterestOnlyCertificatesMember rwt:LegacySequoiaSecuritizationEntitiesMember 2018-12-31 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:InterestOnlyCertificatesMember 2018-12-31 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2018-12-31 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:CertificatesWithPrincipalValueMember rwt:FreddieMacSLSTMember 2018-12-31 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2018-12-31 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:CertificatesWithPrincipalValueMember rwt:LegacySequoiaSecuritizationEntitiesMember 2018-12-31 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:InterestOnlyCertificatesMember rwt:FreddieMacSLSTMember 2018-12-31 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:CertificatesWithPrincipalValueMember 2018-12-31 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:CertificatesWithPrincipalValueMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2018-12-31 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:MaturityOverFiveYearsMember 2019-01-01 2019-06-30 0000930236 rwt:ResidentialLoansMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:InterestReceivableMember rwt:FreddieMacSLSTMember 2019-06-30 0000930236 rwt:ResidentialLoansMember rwt:FreddieMacSLSTMember 2019-06-30 0000930236 rwt:ResidentialLoansMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-06-30 0000930236 us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember rwt:FreddieMacSLSTMember 2019-06-30 0000930236 rwt:MultifamilyLoansMember rwt:LegacySequoiaSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:OtherRealEstateOwnedMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2019-06-30 0000930236 us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-06-30 0000930236 us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:OtherRealEstateOwnedMember 2019-06-30 0000930236 rwt:OtherRealEstateOwnedMember rwt:LegacySequoiaSecuritizationEntitiesMember 2019-06-30 0000930236 us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember 2019-06-30 0000930236 rwt:InterestReceivableMember rwt:LegacySequoiaSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:MultifamilyLoansMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:ResidentialLoansMember rwt:LegacySequoiaSecuritizationEntitiesMember 2019-06-30 0000930236 us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember rwt:LegacySequoiaSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:InterestReceivableMember 2019-06-30 0000930236 rwt:MultifamilyLoansMember rwt:FreddieMacSLSTMember 2019-06-30 0000930236 rwt:ResidentialLoansMember 2019-06-30 0000930236 rwt:MultifamilyLoansMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:OtherRealEstateOwnedMember rwt:FreddieMacSLSTMember 2019-06-30 0000930236 rwt:InterestReceivableMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:OtherRealEstateOwnedMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:InterestReceivableMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:InterestReceivableMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:MultifamilyLoansMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:ResidentialLoansMember rwt:FreddieMacSLSTMember 2018-12-31 0000930236 rwt:InterestReceivableMember 2018-12-31 0000930236 rwt:ResidentialLoansMember 2018-12-31 0000930236 us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember rwt:LegacySequoiaSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:ResidentialLoansMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:InterestReceivableMember rwt:LegacySequoiaSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:OtherRealEstateOwnedMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:ResidentialLoansMember rwt:LegacySequoiaSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:OtherRealEstateOwnedMember rwt:LegacySequoiaSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:MultifamilyLoansMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:ResidentialLoansMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:OtherRealEstateOwnedMember rwt:FreddieMacSLSTMember 2018-12-31 0000930236 rwt:InterestReceivableMember rwt:FreddieMacSLSTMember 2018-12-31 0000930236 us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:InterestReceivableMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:OtherRealEstateOwnedMember 2018-12-31 0000930236 rwt:OtherRealEstateOwnedMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2018-12-31 0000930236 rwt:MultifamilyLoansMember rwt:FreddieMacSLSTMember 2018-12-31 0000930236 rwt:MultifamilyLoansMember rwt:LegacySequoiaSecuritizationEntitiesMember 2018-12-31 0000930236 us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember rwt:FreddieMacSLSTMember 2018-12-31 0000930236 us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2018-12-31 0000930236 us-gaap:RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember 2018-12-31 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:InterestOnlyCertificatesMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:FreddieMacSLSTMember 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:CertificatesWithPrincipalValueMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:InterestOnlyCertificatesMember rwt:FreddieMacSLSTMember 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:CertificatesWithPrincipalValueMember rwt:FreddieMacSLSTMember 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:LegacySequoiaSecuritizationEntitiesMember 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:CertificatesWithPrincipalValueMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:InterestOnlyCertificatesMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:CertificatesWithPrincipalValueMember 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:CertificatesWithPrincipalValueMember rwt:LegacySequoiaSecuritizationEntitiesMember 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:InterestOnlyCertificatesMember rwt:LegacySequoiaSecuritizationEntitiesMember 2019-06-30 0000930236 us-gaap:AssetBackedSecuritiesMember rwt:InterestOnlyCertificatesMember 2019-06-30 0000930236 srt:MaximumMember us-gaap:AssetBackedSecuritiesMember rwt:LegacySequoiaSecuritizationEntitiesMember 2019-06-30 0000930236 srt:MinimumMember us-gaap:AssetBackedSecuritiesMember rwt:LegacySequoiaSecuritizationEntitiesMember 2018-12-31 0000930236 srt:MinimumMember us-gaap:AssetBackedSecuritiesMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2018-12-31 0000930236 srt:MaximumMember us-gaap:AssetBackedSecuritiesMember rwt:LegacySequoiaSecuritizationEntitiesMember 2018-12-31 0000930236 srt:MinimumMember us-gaap:AssetBackedSecuritiesMember rwt:LegacySequoiaSecuritizationEntitiesMember 2019-06-30 0000930236 srt:MaximumMember us-gaap:AssetBackedSecuritiesMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-06-30 0000930236 srt:MinimumMember us-gaap:AssetBackedSecuritiesMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2019-06-30 0000930236 srt:MaximumMember us-gaap:AssetBackedSecuritiesMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2018-12-31 0000930236 srt:MinimumMember us-gaap:AssetBackedSecuritiesMember rwt:SequoiaChoiceSecuritizationEntitiesMember 2019-06-30 0000930236 srt:MaximumMember us-gaap:AssetBackedSecuritiesMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2018-12-31 0000930236 srt:MinimumMember us-gaap:AssetBackedSecuritiesMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2018-12-31 0000930236 srt:MaximumMember us-gaap:AssetBackedSecuritiesMember rwt:FreddieMacKSeriesSecuritizationEntitiesMember 2019-06-30 0000930236 rwt:FHLBSubsidiaryMember srt:FederalHomeLoanBankOfChicagoMember 2019-06-30 0000930236 rwt:SeniorNotesDue2023Member us-gaap:ConvertibleDebtMember 2017-08-31 0000930236 rwt:FHLBSubsidiaryMember srt:FederalHomeLoanBankOfChicagoMember 2019-04-01 2019-06-30 0000930236 rwt:TrustPreferredSecuritiesAndSubordinatedNotesMember 2019-06-30 0000930236 rwt:SeniorNotesDue2024Member us-gaap:ConvertibleDebtMember 2019-06-30 0000930236 rwt:ExchangeableSeniorNotesDue2019Member us-gaap:ConvertibleDebtMember 2014-11-30 0000930236 rwt:TrustPreferredSecuritiesAndSubordinatedNotesMember us-gaap:LondonInterbankOfferedRateLIBORMember 2019-01-01 2019-06-30 0000930236 us-gaap:InterestRateSwapMember rwt:TrustPreferredSecuritiesAndSubordinatedNotesMember 2013-12-31 0000930236 rwt:SeniorNotesDue2023Member us-gaap:ConvertibleDebtMember 2019-06-30 0000930236 rwt:FHLBSubsidiaryMember srt:FederalHomeLoanBankOfChicagoMember 2019-01-01 2019-06-30 0000930236 rwt:SeniorNotesDue2024Member us-gaap:ConvertibleDebtMember 2019-01-01 2019-06-30 0000930236 rwt:SeniorNotesDue2024Member us-gaap:ConvertibleDebtMember 2018-06-30 0000930236 rwt:ExchangeableSeniorNotesDue2019Member us-gaap:ConvertibleDebtMember 2014-11-01 2014-11-30 0000930236 rwt:ExchangeableSeniorNotesDue2019Member us-gaap:GainLossOnInvestmentsMember1 us-gaap:ConvertibleDebtMember 2016-01-01 2016-12-31 0000930236 rwt:FHLBSubsidiaryMember srt:FederalHomeLoanBankOfChicagoMember 2018-12-31 0000930236 rwt:SeniorNotesDue2024Member us-gaap:ConvertibleDebtMember 2018-06-01 2018-06-30 0000930236 rwt:FHLBSubsidiaryMember srt:FederalHomeLoanBankOfChicagoMember 2018-12-31 2018-12-31 0000930236 rwt:ExchangeableSeniorNotesDue2019Member us-gaap:ConvertibleDebtMember 2016-12-31 0000930236 rwt:SeniorNotesDue2023Member us-gaap:ConvertibleDebtMember 2017-08-01 2017-08-31 0000930236 rwt:TrustPreferredSecuritiesMember 2019-06-30 0000930236 us-gaap:SeniorSubordinatedNotesMember 2019-06-30 0000930236 srt:FederalHomeLoanBankOfChicagoMember 2019-01-01 2019-06-30 0000930236 rwt:TrustPreferredSecuritiesAndSubordinatedNotesMember 2018-12-31 0000930236 2016-01-01 2016-01-31 0000930236 rwt:SeniorNotesDue2023Member us-gaap:ConvertibleDebtMember 2019-01-01 2019-06-30 0000930236 rwt:ExchangeableSeniorNotesDue2019Member us-gaap:ConvertibleDebtMember 2019-01-01 2019-06-30 0000930236 us-gaap:OtherIncomeMember 2018-04-01 2018-06-30 0000930236 us-gaap:GuaranteeObligationsMember 2015-12-31 0000930236 rwt:CharlesSchwabCorporationMember us-gaap:ResidentialMortgageBackedSecuritiesMember rwt:SequoiaSecuritizationEntitiesMember 2019-06-30 0000930236 srt:FederalHomeLoanBankOfSeattleMember us-gaap:ResidentialMortgageBackedSecuritiesMember rwt:SequoiaSecuritizationEntitiesMember 2019-01-01 2019-06-30 0000930236 rwt:MortgageBankingAndInvestmentActivitiesMember 2018-04-01 2018-06-30 0000930236 us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember us-gaap:GuaranteeObligationsMember 2019-06-30 0000930236 us-gaap:FinancialGuaranteeMember 2019-06-30 0000930236 rwt:CharlesSchwabCorporationMember 2010-07-15 2010-07-15 0000930236 us-gaap:GuaranteeObligationsMember 2019-06-30 0000930236 rwt:CommitmentToFundTemporaryAdvancesOnResidentialBridgeLoansMember 2019-06-30 0000930236 us-gaap:OtherIncomeMember 2019-04-01 2019-06-30 0000930236 rwt:MortgageBankingAndInvestmentActivitiesMember 2018-01-01 2018-06-30 0000930236 srt:FederalHomeLoanBankOfSeattleMember us-gaap:ResidentialMortgageBackedSecuritiesMember rwt:SequoiaSecuritizationEntitiesMember 2019-06-30 0000930236 us-gaap:FinancialGuaranteeMember 2019-06-30 2019-06-30 0000930236 us-gaap:OtherIncomeMember 2018-01-01 2018-06-30 0000930236 rwt:MortgageBankingAndInvestmentActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:SequoiaResidentialFundingMember 2004-01-01 2007-12-31 0000930236 us-gaap:GuaranteeObligationsMember 2016-12-31 0000930236 rwt:MorganStanleyAndCompanyMember 2019-01-01 2019-06-30 0000930236 rwt:MortgageBankingAndInvestmentActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:SequoiaResidentialFundingMember 2004-01-01 2004-12-31 0000930236 us-gaap:OtherIncomeMember 2019-01-01 2019-06-30 0000930236 rwt:SequoiaResidentialFundingMember 2007-01-01 2007-12-31 0000930236 us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember 2019-04-01 2019-06-30 0000930236 us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember 2018-04-01 2018-06-30 0000930236 us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember 2018-04-01 2018-06-30 0000930236 us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember 2019-04-01 2019-06-30 0000930236 us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember 2019-03-31 0000930236 us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember 2018-06-30 0000930236 us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember 2018-03-31 0000930236 us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember 2019-03-31 0000930236 us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember 2018-03-31 0000930236 us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember 2019-06-30 0000930236 us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember 2018-06-30 0000930236 us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember 2018-04-01 2018-06-30 0000930236 us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember 2018-01-01 2018-06-30 0000930236 us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember 2018-01-01 2018-06-30 0000930236 us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember 2018-12-31 0000930236 us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember 2019-01-01 2019-06-30 0000930236 us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember 2017-12-31 0000930236 us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember 2019-01-01 2019-06-30 0000930236 us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember 2017-12-31 0000930236 us-gaap:AccumulatedGainLossNetCashFlowHedgeParentMember 2018-12-31 0000930236 2019-01-29 2019-01-29 0000930236 us-gaap:StockCompensationPlanMember 2019-01-01 2019-06-30 0000930236 rwt:ShareRepurchaseProgramFebruary2018Member 2018-02-28 0000930236 rwt:AtTheMarketOfferingsMember us-gaap:CommonStockMember 2018-10-01 2018-12-31 0000930236 rwt:AtTheMarketOfferingsMember us-gaap:CommonStockMember 2019-06-30 0000930236 rwt:AtTheMarketOfferingsMember us-gaap:CommonStockMember 2018-12-31 0000930236 us-gaap:StockCompensationPlanMember 2018-04-01 2018-06-30 0000930236 rwt:ShareRepurchaseProgramFebruary2018Member 2019-06-30 0000930236 us-gaap:StockCompensationPlanMember 2018-01-01 2018-06-30 0000930236 us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember 2018-01-01 2018-06-30 0000930236 rwt:AtTheMarketOfferingsMember us-gaap:CommonStockMember 2019-04-01 2019-06-30 0000930236 us-gaap:StockCompensationPlanMember 2019-04-01 2019-06-30 0000930236 rwt:AtTheMarketOfferingsMember us-gaap:CommonStockMember 2019-01-01 2019-06-30 0000930236 us-gaap:RestrictedStockUnitsRSUMember 2019-06-30 0000930236 us-gaap:RestrictedStockMember 2019-01-01 2019-06-30 0000930236 rwt:DeferredStockUnitsMember 2018-12-31 0000930236 us-gaap:RestrictedStockUnitsRSUMember 2018-12-31 0000930236 us-gaap:RestrictedStockMember 2019-06-30 0000930236 rwt:DeferredStockUnitsMember 2019-01-01 2019-06-30 0000930236 us-gaap:RestrictedStockMember 2018-12-31 0000930236 us-gaap:PerformanceSharesMember 2019-06-30 0000930236 rwt:DeferredStockUnitsMember 2019-06-30 0000930236 us-gaap:PerformanceSharesMember 2019-01-01 2019-06-30 0000930236 us-gaap:RestrictedStockUnitsRSUMember 2019-01-01 2019-06-30 0000930236 rwt:DeferredStockUnitsMember 2018-01-01 2018-12-31 0000930236 us-gaap:RestrictedStockMember rwt:IncentivePlansMember 2019-01-01 2019-06-30 0000930236 us-gaap:RestrictedStockUnitsRSUMember rwt:IncentivePlansMember 2019-06-30 0000930236 us-gaap:RestrictedStockMember rwt:IncentivePlansMember 2019-06-30 0000930236 rwt:DeferredStockUnitsMember rwt:IncentivePlansMember 2019-01-01 2019-06-30 0000930236 us-gaap:PerformanceSharesMember rwt:IncentivePlansMember 2019-06-30 0000930236 rwt:EmployeeStockPurchasePlanMember 2019-01-01 2019-06-30 0000930236 us-gaap:PerformanceSharesMember rwt:IncentivePlansMember 2019-01-01 2019-06-30 0000930236 rwt:DeferredStockUnitsMember rwt:IncentivePlansMember 2019-06-30 0000930236 us-gaap:RestrictedStockMember rwt:IncentivePlansMember 2018-12-31 0000930236 us-gaap:RestrictedStockUnitsRSUMember rwt:IncentivePlansMember 2019-01-01 2019-06-30 0000930236 rwt:DeferredStockUnitsMember rwt:IncentivePlansMember 2018-12-31 0000930236 rwt:EmployeeStockPurchasePlanMember 2018-12-31 0000930236 us-gaap:PerformanceSharesMember rwt:IncentivePlansMember 2018-12-31 0000930236 us-gaap:RestrictedStockUnitsRSUMember rwt:IncentivePlansMember 2018-12-31 0000930236 rwt:EmployeeStockPurchasePlanMember 2019-06-30 0000930236 us-gaap:PerformanceSharesMember 2018-12-31 0000930236 us-gaap:PriceRiskDerivativeMember rwt:BusinessPurposeMortgageBankingMember 2018-01-01 2018-06-30 0000930236 rwt:ResidentialMortgageBankingActivitiesMember 2018-01-01 2018-06-30 0000930236 us-gaap:PriceRiskDerivativeMember rwt:ResidentialMortgageBankingActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:BusinessPurposeMortgageBankingMember 2018-01-01 2018-06-30 0000930236 rwt:SingleFamilyRentalLoansHeldForSaleAtFairValueMember rwt:BusinessPurposeMortgageBankingMember 2019-04-01 2019-06-30 0000930236 rwt:BusinessPurposeMortgageBankingMember 2018-04-01 2018-06-30 0000930236 rwt:ResidentialMortgageBankingActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:SingleFamilyRentalLoansHeldForSaleAtFairValueMember rwt:BusinessPurposeMortgageBankingMember 2018-04-01 2018-06-30 0000930236 rwt:BusinessPurposeMortgageBankingMember 2019-04-01 2019-06-30 0000930236 rwt:ResidentialLoansAtFairValueMember rwt:ResidentialMortgageBankingActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:ResidentialLoansAtFairValueMember rwt:ResidentialMortgageBankingActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:ResidentialLoansAtFairValueMember rwt:ResidentialMortgageBankingActivitiesMember 2019-01-01 2019-06-30 0000930236 rwt:SingleFamilyRentalLoansHeldForSaleAtFairValueMember rwt:BusinessPurposeMortgageBankingMember 2019-01-01 2019-06-30 0000930236 us-gaap:PriceRiskDerivativeMember rwt:ResidentialMortgageBankingActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:ResidentialLoansAtFairValueMember rwt:ResidentialMortgageBankingActivitiesMember 2018-01-01 2018-06-30 0000930236 rwt:BusinessPurposeMortgageBankingMember 2019-01-01 2019-06-30 0000930236 us-gaap:PriceRiskDerivativeMember rwt:BusinessPurposeMortgageBankingMember 2019-04-01 2019-06-30 0000930236 rwt:ResidentialMortgageBankingActivitiesMember 2018-04-01 2018-06-30 0000930236 rwt:ResidentialMortgageBankingActivitiesMember 2019-01-01 2019-06-30 0000930236 us-gaap:PriceRiskDerivativeMember rwt:ResidentialMortgageBankingActivitiesMember 2019-04-01 2019-06-30 0000930236 rwt:SingleFamilyRentalLoansHeldForSaleAtFairValueMember rwt:BusinessPurposeMortgageBankingMember 2018-01-01 2018-06-30 0000930236 us-gaap:PriceRiskDerivativeMember rwt:ResidentialMortgageBankingActivitiesMember 2018-01-01 2018-06-30 0000930236 us-gaap:PriceRiskDerivativeMember rwt:BusinessPurposeMortgageBankingMember 2019-01-01 2019-06-30 0000930236 us-gaap:PriceRiskDerivativeMember rwt:BusinessPurposeMortgageBankingMember 2018-04-01 2018-06-30 0000930236 us-gaap:CorporateNonSegmentMember 2019-01-01 2019-06-30 0000930236 us-gaap:OperatingSegmentsMember rwt:ResidentialMortgageBankingMember 2019-01-01 2019-06-30 0000930236 us-gaap:OperatingSegmentsMember rwt:ResidentialInvestmentsMember 2019-01-01 2019-06-30 0000930236 us-gaap:OperatingSegmentsMember rwt:ResidentialMortgageBankingMember 2019-04-01 2019-06-30 0000930236 us-gaap:CorporateNonSegmentMember 2019-04-01 2019-06-30 0000930236 us-gaap:OperatingSegmentsMember rwt:ResidentialInvestmentsMember 2019-04-01 2019-06-30 0000930236 us-gaap:CorporateNonSegmentMember rwt:OtherSubsegmentsMember 2018-04-01 2018-06-30 0000930236 us-gaap:CorporateNonSegmentMember rwt:LegacyConsolidatedVariableInterestEntitiesMember 2018-04-01 2018-06-30 0000930236 us-gaap:CorporateNonSegmentMember rwt:OtherSubsegmentsMember 2019-04-01 2019-06-30 0000930236 us-gaap:CorporateNonSegmentMember 2018-04-01 2018-06-30 0000930236 us-gaap:CorporateNonSegmentMember rwt:LegacyConsolidatedVariableInterestEntitiesMember 2019-04-01 2019-06-30 0000930236 us-gaap:OperatingSegmentsMember rwt:ResidentialMortgageBankingMember 2018-04-01 2018-06-30 0000930236 us-gaap:OperatingSegmentsMember rwt:ResidentialInvestmentsMember 2018-04-01 2018-06-30 0000930236 us-gaap:CorporateNonSegmentMember rwt:OtherSubsegmentsMember 2018-01-01 2018-06-30 0000930236 us-gaap:CorporateNonSegmentMember rwt:LegacyConsolidatedVariableInterestEntitiesMember 2019-01-01 2019-06-30 0000930236 us-gaap:CorporateNonSegmentMember 2018-01-01 2018-06-30 0000930236 us-gaap:CorporateNonSegmentMember rwt:LegacyConsolidatedVariableInterestEntitiesMember 2018-01-01 2018-06-30 0000930236 us-gaap:CorporateNonSegmentMember rwt:OtherSubsegmentsMember 2019-01-01 2019-06-30 0000930236 us-gaap:OperatingSegmentsMember rwt:ResidentialInvestmentsMember 2018-01-01 2018-06-30 0000930236 us-gaap:OperatingSegmentsMember rwt:ResidentialMortgageBankingMember 2018-01-01 2018-06-30 0000930236 rwt:BusinessPurposeResidentialLoansMember 2019-06-30 0000930236 us-gaap:OperatingSegmentsMember rwt:ResidentialInvestmentsMember 2018-12-31 0000930236 us-gaap:CorporateNonSegmentMember 2019-06-30 0000930236 us-gaap:OperatingSegmentsMember us-gaap:ResidentialPortfolioSegmentMember rwt:ResidentialMortgageBankingMember 2018-12-31 0000930236 us-gaap:OperatingSegmentsMember rwt:ResidentialMortgageBankingMember 2018-12-31 0000930236 us-gaap:OperatingSegmentsMember rwt:BusinessPurposeResidentialLoansMember rwt:ResidentialMortgageBankingMember 2018-12-31 0000930236 us-gaap:OperatingSegmentsMember rwt:MultifamilyLoansMember rwt:ResidentialMortgageBankingMember 2018-12-31 0000930236 us-gaap:OperatingSegmentsMember us-gaap:ResidentialPortfolioSegmentMember rwt:ResidentialInvestmentsMember 2019-06-30 0000930236 rwt:MultifamilyLoansMember 2018-12-31 0000930236 us-gaap:CorporateNonSegmentMember 2018-12-31 0000930236 us-gaap:CorporateNonSegmentMember us-gaap:ResidentialPortfolioSegmentMember 2018-12-31 0000930236 us-gaap:CorporateNonSegmentMember us-gaap:ResidentialPortfolioSegmentMember 2019-06-30 0000930236 us-gaap:ResidentialPortfolioSegmentMember 2019-06-30 0000930236 us-gaap:OperatingSegmentsMember rwt:ResidentialInvestmentsMember 2019-06-30 0000930236 us-gaap:CorporateNonSegmentMember rwt:BusinessPurposeResidentialLoansMember 2019-06-30 0000930236 us-gaap:ResidentialPortfolioSegmentMember 2018-12-31 0000930236 us-gaap:OperatingSegmentsMember rwt:MultifamilyLoansMember rwt:ResidentialInvestmentsMember 2019-06-30 0000930236 us-gaap:CorporateNonSegmentMember rwt:BusinessPurposeResidentialLoansMember 2018-12-31 0000930236 rwt:MultifamilyLoansMember 2019-06-30 0000930236 us-gaap:OperatingSegmentsMember rwt:ResidentialMortgageBankingMember 2019-06-30 0000930236 rwt:BusinessPurposeResidentialLoansMember 2018-12-31 0000930236 us-gaap:OperatingSegmentsMember rwt:BusinessPurposeResidentialLoansMember rwt:ResidentialMortgageBankingMember 2019-06-30 0000930236 us-gaap:OperatingSegmentsMember us-gaap:ResidentialPortfolioSegmentMember rwt:ResidentialInvestmentsMember 2018-12-31 0000930236 us-gaap:OperatingSegmentsMember rwt:BusinessPurposeResidentialLoansMember rwt:ResidentialInvestmentsMember 2019-06-30 0000930236 us-gaap:OperatingSegmentsMember us-gaap:ResidentialPortfolioSegmentMember rwt:ResidentialMortgageBankingMember 2019-06-30 0000930236 us-gaap:OperatingSegmentsMember rwt:MultifamilyLoansMember rwt:ResidentialInvestmentsMember 2018-12-31 0000930236 us-gaap:OperatingSegmentsMember rwt:MultifamilyLoansMember rwt:ResidentialMortgageBankingMember 2019-06-30 0000930236 us-gaap:CorporateNonSegmentMember rwt:MultifamilyLoansMember 2018-12-31 0000930236 us-gaap:CorporateNonSegmentMember rwt:MultifamilyLoansMember 2019-06-30 0000930236 us-gaap:OperatingSegmentsMember rwt:BusinessPurposeResidentialLoansMember rwt:ResidentialInvestmentsMember 2018-12-31 0000930236 us-gaap:ResidentialMortgageBackedSecuritiesMember us-gaap:SubsequentEventMember 2019-07-01 2019-07-31 0000930236 us-gaap:ResidentialMortgageBackedSecuritiesMember us-gaap:SubsequentEventMember 2019-07-31 iso4217:USD xbrli:pure xbrli:shares rwt:investment iso4217:USD xbrli:shares rwt:partnership rwt:segment rwt:entity iso4217:USD rwt:loan rwt:property rwt:counterparty rwt:loan rwt:lease rwt:certificate rwt:plaintiff rwt:repurchase_request rwt:series rwt:facility

UNITED STATES OF AMERICA
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

 
FORM 10-Q
 

QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)
OF THE SECURITIES EXCHANGE ACT OF 1934
For the Quarterly Period Ended: June 30, 2019

OR
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)
OF THE SECURITIES EXCHANGE ACT OF 1934

For the Transition Period from _______________ to _______________.
Commission File Number 1-13759
 
REDWOOD TRUST, INC.
(Exact Name of Registrant as Specified in Its Charter)
Maryland
 
68-0329422
(State or Other Jurisdiction of
Incorporation or Organization)
 
(I.R.S. Employer
Identification No.)
One Belvedere Place, Suite 300
 
 
Mill Valley,
California
 
94941
(Address of Principal Executive Offices)
 
(Zip Code)
(415) 389-7373
(Registrant’s Telephone Number, Including Area Code)
Not Applicable
(Former Name, Former Address and Former Fiscal Year, if Changed Since Last Report)
 
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 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, 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
x
 
Accelerated filer
Non-accelerated filer
o
 
Smaller reporting company
 
 
 
Emerging growth company
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 x
Securities registered pursuant to Section 12(b) of the Act:
Title of each class
Trading symbol(s)
Name of each exchange on which registered
Common stock, par value $0.01 per share
RWT
New York Stock Exchange
Indicate the number of shares outstanding of each of the issuer's classes of common stock, as of the latest practicable date.
Common Stock, $0.01 par value per share
 
97,715,021

shares outstanding as of August 5, 2019





REDWOOD TRUST, INC.
2019 FORM 10-Q REPORT
TABLE OF CONTENTS