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Mortgage Banking Activities, Net (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Other income, net | $ (183) | $ 880 | $ 1,719 | $ 1,142
Total Mortgage banking activities, net | 40,132 | 39,569 | 114,042 | 73,049
Sequoia Mortgage Banking |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Other income, net | 655 | 335 | 1,665 | 1,764
Total Mortgage banking activities, net | 28,719 | 26,715 | 75,266 | 40,787
Sequoia Mortgage Banking | Residential consumer loans, at fair value |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Fair value of loans | 54,872 | 20,959 | 100,566 | 31,410
Sequoia Mortgage Banking | Trading securities |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Fair value of loans | (24,382) | (28,630) | (92,354) | (17,508)
Sequoia Mortgage Banking | Risk management derivatives |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Risk management derivatives | (2,426) | 34,051 | 65,389 | 25,121
CoreVest Mortgage Banking |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Other income, net | 7,074 | 5,548 | 20,180 | 14,989
Total Mortgage banking activities, net | 11,413 | 12,854 | 38,776 | 32,262
CoreVest Mortgage Banking | Residential investor term loans |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Fair value of loans | 3,291 | 6,061 | 14,781 | 11,833
CoreVest Mortgage Banking | Residential investor bridge loans |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Fair value of loans | 1,030 | 694 | 5,635 | 2,748
CoreVest Mortgage Banking | Risk management derivatives |  |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |  |
Risk management derivatives | $ 18 | $ 551 | $ (1,820) | $ 2,692

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