RESIDENTIAL MORTGAGE LOANS (AS RESTATED) - Geographic Distribution of the Underlying Residential Mortgage Loans (Details) - Residential Mortgage Loans	Dec. 31, 2023	Dec. 31, 2022
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Percentage of Total Outstanding Unpaid Principal Amount	100.00%	100.00%
Texas
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Percentage of Total Outstanding Unpaid Principal Amount	9.50%	8.90%
Florida
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Percentage of Total Outstanding Unpaid Principal Amount	9.30%	10.90%
California
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Percentage of Total Outstanding Unpaid Principal Amount	8.30%	10.20%
New York
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Percentage of Total Outstanding Unpaid Principal Amount	8.00%	6.80%
Georgia
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Percentage of Total Outstanding Unpaid Principal Amount	4.90%	4.20%
New Jersey
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Percentage of Total Outstanding Unpaid Principal Amount	3.90%	3.80%
Virginia
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Percentage of Total Outstanding Unpaid Principal Amount	3.60%	2.70%
Illinois
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Percentage of Total Outstanding Unpaid Principal Amount	3.50%	3.60%
Maryland
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Percentage of Total Outstanding Unpaid Principal Amount	3.30%	3.10%
North Carolina
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Percentage of Total Outstanding Unpaid Principal Amount	3.20%	2.50%
Other U.S.
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Percentage of Total Outstanding Unpaid Principal Amount	42.50%	43.30%