Residential Mortgage Loans - Schedule of Components of Income (Loss) on Consolidated VIEs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Interest expense	$ (25,874)	$ (27,064)	$ (48,373)	$ (56,110)
Total income (loss) on consolidated VIEs	185	$ 0	613	$ 0
Variable Interest Entity, Primary Beneficiary
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net change in fair value of VIE assets and liabilities reported under the fair value option	(385)		(698)
Interest income	17,505		32,364
Interest expense	(16,245)		(29,814)
Other expenses	(690)		(1,239)
Total income (loss) on consolidated VIEs	$ 185		$ 613