Real Estate Securities - Schedule of AFS Securities in Gross Unrealized Loss Position by Holding Periods (Details) - Residential - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Less than 12 consecutive months, fair value	$ 30,351	$ 2,374
Less than 12 consecutive months, unrealized losses	(391)	(128)
12 consecutive months or longer, fair value	19,817	27,299
12 consecutive months or longer, unrealized losses	$ (5,283)	$ (6,625)