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Residential Consumer Loans - Schedule of Quarterly Activity of Residential Consumer Loans Held-for-Sale (Details) - Residential Consumer Loans - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Principal balance of loans acquired | $ 1,999,621 | $ 857,974 | $ 4,873,608 | $ 1,092,992
Principal balance of loans sold | 39,497 | 53,743 | 246,641 | 235,821
Principal balance of loans transferred from HFS to HFI | 1,528,163 | 337,752 | 4,140,150 | 995,047
Net market valuation gains (losses) recorded | $ 11,047 | $ (8,683) | $ 20,079 | $ (2,590)

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