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Mortgage Banking Activities, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Other income, net	$ 352	$ 1,037	$ 1,902	$ 262
Total Mortgage banking activities, net	40,857	18,924	73,910	33,480
Sequoia Mortgage Banking
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Other income, net	921	1,348	1,013	1,429
Total Mortgage banking activities, net	24,399	6,245	46,550	14,072
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	15,095	14,305	45,694	10,451
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	(38,645)	2,611	(67,972)	11,122
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	47,028	(12,019)	67,815	(8,930)
CoreVest Mortgage Banking
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Other income, net	7,218	5,871	13,103	9,441
Total Mortgage banking activities, net	16,458	12,679	27,360	19,408
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	4,560	6,068	11,490	5,772
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	3,573	1,108	4,605	2,054
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	$ 1,107	$ (368)	$ (1,838)	$ 2,141

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The net income attributable to mortgage banking activities. This includes market valuations related to residential and commercial loans, Sequoia IOs, and mortgage banking derivatives, as well as realized gains or losses associated with mortgage loan sales.

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