XML 87 R73.htm IDEA: XBRL DOCUMENT
v3.20.2

Fair Value of Financial Instruments - Changes in Level 3 Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2020 USD ($)
Contingent Consideration |
Liabilities |
Beginning balance - December 31, 2019 | $ 28,484
Acquisitions | 0
Principal paydowns | (13,353)
Deconsolidations | 0
Gains (losses) in net income (loss), net | (446)
Other settlements, net | (14,685)
Ending balance - September 30, 2020 | 0
ABS Issued |
Liabilities |
Beginning balance - December 31, 2019 | 10,515,475
Acquisitions | 1,137,656
Principal paydowns | (1,035,359)
Deconsolidations | (3,706,789)
Gains (losses) in net income (loss), net | 58,393
Other settlements, net | 0
Ending balance - September 30, 2020 | 6,969,376
Residential Loans |
Assets |
Beginning balance - December 31, 2019 | 7,714,745
Acquisitions | 2,927,697
Originations | 0
Sales | (4,783,682)
Principal paydowns | (1,210,117)
Deconsolidations | 0
Gains (losses) in net income (loss), net | (152,145)
Other settlements, net | (1,599)
Ending balance - September 30, 2020 | 4,494,899
Business purpose residential loans |
Assets |
Beginning balance - December 31, 2019 | 3,506,743
Acquisitions | 0
Originations | 982,315
Sales | (53,434)
Principal paydowns | (489,243)
Deconsolidations | 0
Gains (losses) in net income (loss), net | 16,246
Other settlements, net | (6,526)
Ending balance - September 30, 2020 | 3,956,101
Multifamily loans |
Assets |
Beginning balance - December 31, 2019 | 4,408,524
Acquisitions | 0
Originations | 0
Sales | 0
Principal paydowns | (5,830)
Deconsolidations | (3,849,779)
Gains (losses) in net income (loss), net | (61,500)
Other settlements, net | 0
Ending balance - September 30, 2020 | 491,415
Trading securities |
Assets |
Beginning balance - December 31, 2019 | 860,540
Acquisitions | 96,318
Originations | 0
Sales | (579,466)
Principal paydowns | (8,502)
Deconsolidations | 0
Gains (losses) in net income (loss), net | (224,728)
Other settlements, net | 0
Ending balance - September 30, 2020 | 144,162
AFS Securities |
Assets |
Beginning balance - December 31, 2019 | 239,334
Acquisitions | 56,664
Originations | 0
Sales | (55,193)
Principal paydowns | (10,345)
Deconsolidations | 0
Gains (losses) in net income (loss), net | (23,287)
Other settlements, net | 0
Ending balance - September 30, 2020 | 207,173
Servicer Advance Investments |
Assets |
Beginning balance - December 31, 2019 | 169,204
Acquisitions | 179,419
Originations | 0
Sales | 0
Principal paydowns | (83,124)
Deconsolidations | 0
Gains (losses) in net income (loss), net | (6,878)
Other settlements, net | 0
Ending balance - September 30, 2020 | 258,621
MSRs |
Assets |
Beginning balance - December 31, 2019 | 42,224
Acquisitions | 0
Originations | 0
Sales | 0
Principal paydowns | 0
Deconsolidations | 0
Gains (losses) in net income (loss), net | (27,346)
Other settlements, net | 0
Ending balance - September 30, 2020 | 14,878
Excess MSRs |
Assets |
Beginning balance - December 31, 2019 | 31,814
Acquisitions | 10,906
Originations | 0
Sales | 0
Principal paydowns | 0
Deconsolidations | 0
Gains (losses) in net income (loss), net | (7,650)
Other settlements, net | 0
Ending balance - September 30, 2020 | 35,070
Shared Home Appreciation Options |
Assets |
Beginning balance - December 31, 2019 | 45,085
Acquisitions | 3,517
Originations | 0
Sales | 0
Principal paydowns | (2,558)
Deconsolidations | 0
Gains (losses) in net income (loss), net | (4,286)
Other settlements, net | 0
Ending balance - September 30, 2020 | 41,758
Shared Home Appreciation Options |
Assets |
Beginning balance - December 31, 2019 | 1,686
Acquisitions | 0
Principal paydowns | 0
Deconsolidations | 0
Gains (losses) in net income (loss), net | (1,107)
Other settlements, net | 0
Ending balance - September 30, 2020 | 579
Derivatives |
Assets |
Beginning balance - December 31, 2019 | 8,860
Acquisitions | 0
Principal paydowns | 0
Deconsolidations | 0
Gains (losses) in net income (loss), net | 34,620
Other settlements, net | (34,041)
Ending balance - September 30, 2020 | $ 9,439

X
- Definition Principal paydowns, including calls and maturities, that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy. + References No definition available. + Details
Name: | rwt_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetCallsMaturitiesPaydowns
Namespace Prefix: | rwt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Deconsolidations + References No definition available. + Details
Name: | rwt_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetDeconsolidations
Namespace Prefix: | rwt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Originations + References No definition available. + Details
Name: | rwt_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetOriginations
Namespace Prefix: | rwt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Deconsolidations + References No definition available. + Details
Name: | rwt_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityDeconsolidations
Namespace Prefix: | rwt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Paydowns + References No definition available. + Details
Name: | rwt_FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisLiabilityPaydowns
Namespace Prefix: | rwt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of purchases of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=rwt_ContingentConsiderationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=us-gaap_AssetBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=rwt_ResidentialLoansAtFairValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=rwt_BusinessPurposeResidentialLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=rwt_MultifamilyLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=rwt_TradingSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_AvailableforsaleSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=rwt_ServicerAdvanceInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=rwt_MortgageServicingRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=rwt_ExcessMortgageServicingRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=rwt_HomeAppreciationOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=rwt_AssetValueGuaranteesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_DerivativeFinancialInstrumentsAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |