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Residential Investor Loans - Classifications and Carrying Values of Residential Investor Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
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Held-for-sale at fair value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | $ 259,483 | $ 180,250
Held-for-sale at fair value | Residential Investor Term | Redwood |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 217,761 | 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 | Redwood |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 41,722 | 35,891
Held-for-sale at fair value | Residential Investor Bridge | 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 | 4,620,167 | 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 |
Held-for-investment at fair value | Residential Investor Term | CAFL |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 2,737,467 | 2,971,725
Held-for-investment at fair value | Residential Investor Bridge | Redwood |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 1,197,073 | 1,305,727
Held-for-investment at fair value | Residential Investor Bridge | CAFL |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 685,627 | 762,596
Total Residential Investor Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 4,879,650 | 5,220,298
Total Residential Investor Loans | Residential Investor Term | Redwood |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 217,761 | 144,359
Total Residential Investor Loans | Residential Investor Term | CAFL |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 2,737,467 | 2,971,725
Total Residential Investor Loans | Residential Investor Bridge | Redwood |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 1,238,795 | 1,341,618
Total Residential Investor Loans | Residential Investor Bridge | CAFL |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 685,627 | 762,596
Held-for-sale residential loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 9,210,156 | 7,050,637
Held-for-sale residential loans | Redwood |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 962,548 | 911,192
Held-for-sale residential loans | Held-for-investment at fair value |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | 8,247,608 | 6,139,445
Held-for-sale residential loans | Held-for-investment at fair value | Redwood |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Fair value of loans | $ 0 | $ 0

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