XML 77 R66.htm IDEA: XBRL DOCUMENT
v3.25.1

Residential Consumer Loans - Schedule of Activity of Residential Consumer Loans Held-for-Sale (Details) - Residential Consumer Loans - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Principal balance of loans acquired | $ 2,337,185 | $ 999,786
Principal balance of loans sold | 420,513 | 201,581
Principal balance of loans transferred from HFS to HFI | $ 1,623,900 | $ 1,187,961

X
- Definition Principal Balance of Loans Acquired During Period + References No definition available. + Details
Name: | rwt_PrincipalBalanceOfLoansAcquiredDuringPeriod
Namespace Prefix: | rwt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Principal Balance Of Loans Transferred To Held For Investment + References No definition available. + Details
Name: | rwt_PrincipalBalanceOfLoansTransferredToHeldForInvestment
Namespace Prefix: | rwt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Principal Balance of Loans Sold During Period + References No definition available. + Details
Name: | rwt_PrincipalBalanceofLoansSoldDuringPeriod
Namespace Prefix: | rwt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 948 -SubTopic 310 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479628/948-310-S99-1 + Details
Name: | srt_MortgageLoansOnRealEstateLineItems
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rwt_ResidentialConsumerLoansAtFairValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |