REAL ESTATE AND OTHER SECURITIES (AS RESTATED) - Schedule of RMBS Designated as AFS in an Unrealized Loss Position (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) security	Dec. 31, 2023 USD ($)
Debt Securities, Available-for-sale [Line Items]
Credit Impairment	$ (10,684)	$ (10,152)
Weighted Average Life (Years)	3 years 7 months 6 days
Less than 12 Months
Debt Securities, Available-for-sale [Line Items]
Outstanding Face Amount	$ 38,678
Before Credit Impairment - Amortized Cost Basis	37,051
Credit Impairment	(21)
After Credit Impairment - Amortized Cost Basis	37,030
Gross Unrealized Losses - Less than 12 Months	(4,486)
Carrying Value - Less than 12 Months	$ 32,544	49,069
Number of Securities - Less than 12 Months | security	28
Weighted Average Coupon	2.80%
Weighted Average Yield	4.20%
Weighted Average Life (Years)	6 years 3 months 18 days
12 or More Months
Debt Securities, Available-for-sale [Line Items]
Outstanding Face Amount	$ 290,243
Before Credit Impairment - Amortized Cost Basis	269,086
Credit Impairment	(10,663)
After Credit Impairment - Amortized Cost Basis	258,423
Gross Unrealized Losses - 12 or More Months	(20,637)
Carrying Value - 12 or More Months	$ 237,786	231,309
Number of Securities - 12 or More Months | security	140
Weighted Average Coupon	3.70%
Weighted Average Yield	3.70%
Weighted Average Life (Years)	6 years 2 months 12 days
Total/Weighted Average
Debt Securities, Available-for-sale [Line Items]
Outstanding Face Amount	$ 328,921
Before Credit Impairment - Amortized Cost Basis	306,137
Credit Impairment	(10,684)
After Credit Impairment - Amortized Cost Basis	295,453
Gross Unrealized Losses - Total	(25,123)
Carrying Value - Total	$ 270,330	$ 280,378
Number of Securities - Total | security	168
Weighted Average Coupon	3.60%
Weighted Average Yield	3.80%
Weighted Average Life (Years)	6 years 2 months 12 days