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Residential Whole Loans - Net Gain/(Loss) on Residential Whole Loans Measured at Fair Value Through Earnings (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Total | $ (45,480) | $ 23,799 | $ (84,613) | $ 74,449
Residential whole loans |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Fair value realized and unrealized gain/(loss) | (21,016) | 33,611 | (55,777) | 87,991
Realized credit losses, net of recoveries | (24,464) | (9,812) | (28,836) | (13,542)
Total | (45,480) | 23,799 | (84,613) | 74,449
Residential whole loans | Non-QM loans |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Fair value realized and unrealized gain/(loss) | (22,900) | 28,122 | (42,284) | 73,318
Realized credit losses, net of recoveries | (396) | (649) | (547) | (785)
Residential whole loans | Business purpose loans |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Fair value realized and unrealized gain/(loss) | 4,334 | 6,070 | (6,258) | 12,818
Realized credit losses, net of recoveries | (23,342) | (8,579) | (27,040) | (12,117)
Residential whole loans | Business purpose loans | Single-family rental loans |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Fair value realized and unrealized gain/(loss) | (2,202) | 11,178 | (751) | 29,010
Realized credit losses, net of recoveries | (574) | (3,148) | (600) | (4,344)
Residential whole loans | Business purpose loans | Single-family transitional loans |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Fair value realized and unrealized gain/(loss) | (1,562) | (5,568) | (3,669) | (14,717)
Realized credit losses, net of recoveries | (1,110) | (1,351) | (4,435) | (3,524)
Residential whole loans | Business purpose loans | Multifamily transitional loans |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Fair value realized and unrealized gain/(loss) | 8,098 | 460 | (1,838) | (1,475)
Realized credit losses, net of recoveries | (21,658) | (4,080) | (22,005) | (4,249)
Residential whole loans | Seasoned RPL/NPL loans |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Fair value realized and unrealized gain/(loss) | (2,067) | (834) | (6,640) | 114
Realized credit losses, net of recoveries | (726) | (584) | (1,249) | (640)
Residential whole loans | Other loans |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Fair value realized and unrealized gain/(loss) | (383) | 253 | (595) | 1,741
Realized credit losses, net of recoveries | $ 0 | $ 0 | $ 0 | $ 0

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