FAIR VALUE MEASUREMENTS (AS RESTATED) - Schedule of Loan Securitizations (Details) $ in Thousands	Mar. 31, 2024 USD ($)
Residential mortgage loans
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments at fair value	$ 3,257,446
Notes payable at fair value	2,800,532
Mortgage loans receivable
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments at fair value	341,831
Notes payable at fair value	$ 324,062
Mortgage loans receivable | Discount Rate | Minimum
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Measurement input	0.023
Mortgage loans receivable | Discount Rate | Maximum
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Measurement input	0.066
Mortgage loans receivable | Discount Rate | Weighted Average
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Measurement input	0.026
Mortgage loans receivable | Prepayment Rate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Measurement input	0.500
Mortgage loans receivable | CDR
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Measurement input	0.030
Mortgage loans receivable | Loss Severity
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Measurement input	0.150