Real Estate Securities - Schedule of AFS Securities in Gross Unrealized Loss Position by Holding Periods (Details) - Residential - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Debt Securities, Available-for-sale [Line Items]
Less Than 12 Consecutive Months, Fair Value	$ 0	$ 0
Less Than 12 Consecutive Months, Unrealized Losses	0	0
12 Consecutive Months or Longer, Fair Value	21,969	22,079
12 Consecutive Months or Longer, Unrealized Losses	$ (3,194)	$ (3,092)