Investment Securities - Available-for-Sale RMBS (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 86,258	$ 87,016
Credit Loss Allowance	0	0
Net Basis	86,258	87,016
Gross Unrealized Gains	16,967	18,092
Gross Unrealized Losses	(2,906)	(2,740)
Net Fair Value Adjustment	14,061	15,352
Fair Value	$ 100,319	$ 102,368
SOFR
Debt Securities, Available-for-sale [Line Items]
Effective variable rate basis	5.329%
RMBS | B- Rating
Debt Securities, Available-for-sale [Line Items]
Weighted Average Coupon	5.80%
WAL (Years)	7 years 9 months 18 days