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Home Equity Investments (HEI) - Schedule of Components of HEI Income, Net (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Schedule of Equity Method Investments [Line Items] |  |  |  |
Total HEI (loss) income, net | $ (12,899) | $ 15,883 | $ (2,733) | $ 24,969
Interest expense | 270,502 | 200,124 | 514,654 | 380,654
Unsecuritized HEI |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Total HEI (loss) income, net | (14,306) | 11,663 | (7,170) | 17,806
Securitized HEI |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Total HEI (loss) income, net | 8,621 | 17,029 | 20,533 | 32,453
ABS Issued From HEI Securitization |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Total HEI (loss) income, net | (5,262) | (5,472) | (9,031) | (12,881)
Interest expense | 3,000 | 6,000 | 3,000 | 6,000
Net market valuation (losses) recorded on non-controlling interests in HEI securitizations |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Total HEI (loss) income, net | (2,133) | (7,381) | (7,342) | (12,508)
Other |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Total HEI (loss) income, net | 181 | 44 | 277 | 99
Direct HEI Origination |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Total HEI (loss) income, net | $ 100 | $ 0 | $ 200 | $ 0

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