Residential Mortgage Loans - Schedule of Net Gains (Losses) on Residential Mortgage Loans Held for Sale, Net of Hedging Activities (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Mortgage loans held for sale		$ (5,798)	$ 814	$ 48
Total realized gains (losses) on residential mortgage loans held for sale		(10,510)	(10,733)	(8,306)
Change in unrealized gains (losses) on residential mortgage loans sold		281	(915)	3,458
Net gains (losses) on investments and other financial instruments		(10,114)	10,241	(80,733)
Disposal Group, Held-for-Sale, Not Discontinued Operations | Residential Mortgage Loans Held for Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Mortgage loans held for sale	[1]	(5,430)	(2,634)	28
Mortgage loan servicing rights resulting from mortgage loan sales		2,725	41	0
Total realized gains (losses) on residential mortgage loans held for sale		(2,705)	(2,593)	28
Change in unrealized gains (losses) on residential mortgage loans sold		(1,322)	(62)	0
Unrealized gains (losses) on residential mortgage loans held for sale still held	[2]	(5,730)	1,331	62
Total net gains (losses) on residential mortgage loans held for sale		(9,757)	(1,324)	90
Net gains (losses) on mortgage loans held for sale hedging activities		3,959	2,138	(42)
Net gains (losses) on residential mortgage loans held for sale, net of hedging activities		$ (5,798)	$ 814	$ 48

[1] Includes net gains (losses) on residential mortgage loans held for sale through the date of transfer to a securitization trust, if applicable. See “Securitized Residential Mortgage Loans Held for Investment” below for information on subsequent gains (losses) for those securitized loans.

[2] Includes net gains (losses) on mortgage loan commitments accounted for as derivatives prior to settlement.