XML 100 R88.htm IDEA: XBRL DOCUMENT
v3.25.2

Strategic Investments - Schedule of Components of Income From Strategic Investments, Net (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Investments, All Other Investments [Abstract] |  |  |  |
Other (loss) income, net | $ (210) | $ (1) | $ 969 | $ (945)
Investment fair value changes, net | (132) | (1,450) | (212) | (800)
Total Strategic Investments Income, Net | (342) | (1,451) | 757 | (1,745)
Investment fair value gains | $ 100 |  | $ 200 |
Investment fair value losses |  | $ 1,000 |  | $ 800

X
- Definition Debt And Equity Securities, Fair Value Gains + References No definition available. + Details
Name: | rwt_DebtAndEquitySecuritiesFairValueGains
Namespace Prefix: | rwt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Debt And Equity Securities, Fair Value Losses + References No definition available. + Details
Name: | rwt_DebtAndEquitySecuritiesFairValueLosses
Namespace Prefix: | rwt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Strategic Investment, Gain (Loss) On Investment + References No definition available. + Details
Name: | rwt_StrategicInvestmentGainLossOnInvestment
Namespace Prefix: | rwt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Strategic Investments Income (Loss), Net + References No definition available. + Details
Name: | rwt_StrategicInvestmentsIncomeLossNet
Namespace Prefix: | rwt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Total Strategic Investments Income, Net + References No definition available. + Details
Name: | rwt_TotalStrategicInvestmentsIncomeNet
Namespace Prefix: | rwt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsAllOtherInvestmentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration