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Fair Value of Financial Instruments - Market Valuation Adjustments, Net (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Total Market Valuation Gains, Net | $ 29,839 | $ 6,324 | $ 73,859 | $ 17,594
Mortgage Banking Activities, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Investment, Type [Extensible Enumeration] | Total Market Valuation Gains, Net | Total Market Valuation Gains, Net | Total Market Valuation Gains, Net | Total Market Valuation Gains, Net
Investment Fair Value Changes, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | $ 1,098 | $ (13,517) | $ 22,935 | $ (17,909)
HEI income, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | 15,839 | 8,921 | 24,870 | 13,186
Other Income |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Mortgage servicing rights income (loss), net | 1,196 | 1,071 | 3,443 | 361
Residential consumer loans held-for-sale | Mortgage Banking Activities, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | 6,535 | (1,085) | 9,032 | 5,909
Residential consumer loan purchase commitments | Mortgage Banking Activities, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | 7,770 | 2,420 | 1,419 | 2,181
Residential investor term loans held-for-sale | Mortgage Banking Activities, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | 5,957 | (1,132) | 5,661 | 11,534
Residential investor term loans held-for-sale | Investment Fair Value Changes, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | (337) | (13,625) | (1,337) | (13,625)
Residential investor term loan interest rate lock commitments | Mortgage Banking Activities, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | 111 | 0 | 111 | 0
Residential Investor Bridge | Mortgage Banking Activities, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | 1,108 | 2,297 | 2,054 | 3,450
Trading securities | Mortgage Banking Activities, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | 2,611 | 1,923 | 11,122 | 1,923
Trading securities | Investment Fair Value Changes, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | 621 | 4,572 | 4,802 | 6,533
Risk management derivatives, net | Mortgage Banking Activities, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | (12,386) | 5,426 | (6,788) | (3,041)
Risk management derivatives, net | Investment Fair Value Changes, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | 2,544 | 7,679 | 6,925 | (1,025)
Mortgage Banking Activities, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | 11,706 | 9,849 | 22,611 | 21,956
Residential consumer loans held-for-investment, at Redwood (called Sequoia loans) | Investment Fair Value Changes, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | 0 | 0 | 0 | 183
Residential investor bridge loans held-for-investment | Investment Fair Value Changes, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | (13,992) | (8,149) | (17,210) | (6,773)
Servicer advance investments | Investment Fair Value Changes, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | 11,611 | 3,665 | 10,977 | 2,313
Excess MSRs | Investment Fair Value Changes, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | (1,368) | 1,070 | (2,613) | 842
Sequoia | Investment Fair Value Changes, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | 2,690 | 918 | 9,600 | 3,266
Freddie Mac SLST | Investment Fair Value Changes, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | (5,137) | (16,563) | (1,407) | (7,629)
Freddie Mac K-Series | Investment Fair Value Changes, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | 452 | 385 | 695 | 748
CAFL | Investment Fair Value Changes, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | 7,491 | 10,707 | 17,742 | 1,897
Other investments | Investment Fair Value Changes, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | (3,991) | (3,359) | (6,382) | (3,794)
Credit recoveries (losses) on AFS securities | Investment Fair Value Changes, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | 514 | (71) | 1,143 | (99)
Other | Investment Fair Value Changes, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | 0 | (746) | 0 | (746)
Other | Other Income |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Mortgage servicing rights income (loss), net | (31) | (340) | (248) | (460)
HEI at Redwood | HEI income, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | 11,663 | 8,468 | 17,806 | 12,308
Net investments in HEI securitization entities | HEI income, Net |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Changes in fair value of assets | 4,176 | 453 | 7,064 | 878
MSRs | Other Income |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Mortgage servicing rights income (loss), net | $ 1,227 | $ 1,411 | $ 3,691 | $ 821

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- Definition The aggregate net change in market value for certain assets and liabilities that was included in earnings for the period. This includes changes in market values for assets and liabilities accounted for at fair value, as well as the credit portion of other-than-temporary impairments on securities available for sale, impairments on loans held-for-sale and real estate owned. + References No definition available. + Details
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