Mortgage Banking Activities, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Other income, net	$ 3,883	$ 1,830	$ (2,485)
Total Mortgage banking activities, net	167,106	99,398	67,386
Sequoia Mortgage Banking
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Other income, net	2,476	2,010	2,873
Total Mortgage banking activities, net	115,649	57,579	27,782
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	173,835	39,019	42,976
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	(126,882)	41,173	(159)
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	66,220	(24,623)	(17,908)
CoreVest Mortgage Banking
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Other income, net	23,793	21,242	18,314
Total Mortgage banking activities, net	51,457	41,819	39,604
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	(1,739)	5,118	(914)
CoreVest Mortgage Banking | Fixed loans
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Fair value of loans	19,217	11,692	16,500
CoreVest Mortgage Banking | Residential investor bridge loans, at fair value
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Fair value of loans	$ 10,186	$ 3,767	$ 5,704