XML 111 R94.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Derivative Financial Instruments - Schedule of Fair Value and Notional Amount of Derivative Financial Instruments (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Derivative [Line Items] |  |
Fair Value | $ 42,563 | $ (19,616)
Notional Amount | 6,090,769 | 2,628,677
Interest rate swaps |  |
Derivative [Line Items] |  |
Notional Amount |  | 50,000
TBAs |  |
Derivative [Line Items] |  |
Notional Amount | 1,040,000 | 1,790,000
Interest rate futures |  |
Derivative [Line Items] |  |
Notional Amount | 427,000 | 142,000
Swaptions |  |
Derivative [Line Items] |  |
Notional Amount | 3,080,000 |
Derivative Liabilities |  |
Derivative [Line Items] |  |
Fair Value | (5,954) | (33,828)
Notional Amount | 1,064,748 | 1,977,483
Derivative Liabilities | TBAs |  |
Derivative [Line Items] |  |
Fair Value | (923) | (27,020)
Notional Amount | 330,000 | 1,405,000
Derivative Liabilities | Interest rate futures |  |
Derivative [Line Items] |  |
Fair Value | (2,717) | (3,394)
Notional Amount | 348,200 | 141,500
Derivative Liabilities | Loan purchase and interest rate lock commitments |  |
Derivative [Line Items] |  |
Fair Value | (2,314) | (3,414)
Notional Amount | 386,548 | 430,983
Derivative Assets |  |
Derivative [Line Items] |  |
Fair Value | 48,517 | 14,212
Notional Amount | 5,026,021 | 651,194
Derivative Assets | Interest rate swaps |  |
Derivative [Line Items] |  |
Fair Value | 0 | 1,742
Notional Amount | 0 | 50,000
Derivative Assets | TBAs |  |
Derivative [Line Items] |  |
Fair Value | 1,778 | 952
Notional Amount | 710,000 | 385,000
Derivative Assets | Interest rate futures |  |
Derivative [Line Items] |  |
Fair Value | 457 | 0
Notional Amount | 79,000 | 0
Derivative Assets | Swaptions |  |
Derivative [Line Items] |  |
Fair Value | 40,298 | 0
Notional Amount | 3,075,000 | 0
Derivative Assets | Loan purchase and interest rate lock commitments |  |
Derivative [Line Items] |  |
Fair Value | 5,984 | 11,518
Notional Amount | $ 1,162,021 | $ 216,194

X
- Definition Fair value of the assets less the liabilities of a derivative or group of derivatives. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 + Details
Name: | us-gaap_DerivativeFairValueOfDerivativeNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5 + Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A + Details
Name: | us-gaap_DerivativeNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=rwt_ToBeAnnouncedContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_FutureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwaptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_LoanPurchaseCommitmentsMember
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: |