Real Estate Securities - Schedule of AFS Securities in Gross Unrealized Loss Position by Holding Periods (Details) - Residential - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]
Less than 12 consecutive months, fair value	$ 0	$ 30,351
Less than 12 consecutive months, unrealized losses	0	(391)
12 consecutive months or longer, fair value	22,079	19,817
12 consecutive months or longer, unrealized losses	$ (3,092)	$ (5,283)