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Residential Investor Loans - Classifications and Carrying Values of Residential Investor Loans (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Held-for-sale at fair value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | $ 280,551 | $ 180,250
Held-for-sale at fair value | Residential Investor Term | Redwood |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 253,774 | 144,359
Held-for-sale at fair value | Residential Investor Term | CAFL |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 0 | 0
Held-for-sale at fair value | Residential investor bridge loans | Redwood |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 26,777 | 35,891
Held-for-sale at fair value | Residential investor bridge loans | CAFL |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 0 | 0
Held-for-investment at fair value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 4,901,443 | 5,040,048
Held-for-investment at fair value | Residential Investor Term | Redwood |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 0 | 0
Held-for-investment at fair value | Residential Investor Term | CAFL |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 2,853,052 | 2,971,725
Held-for-investment at fair value | Residential investor bridge loans | Redwood |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 1,286,233 | 1,305,727
Held-for-investment at fair value | Residential investor bridge loans | CAFL |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 762,158 | 762,596
Total Residential Investor Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 5,181,994 | 5,220,298
Total Residential Investor Loans | Residential Investor Term | Redwood |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 253,774 | 144,359
Total Residential Investor Loans | Residential Investor Term | CAFL |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 2,853,052 | 2,971,725
Total Residential Investor Loans | Residential investor bridge loans | Redwood |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 1,313,010 | 1,341,618
Total Residential Investor Loans | Residential investor bridge loans | CAFL |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | $ 762,158 | $ 762,596

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