FAIR VALUE MEASUREMENTS (AS RESTATED) - Schedule of Inputs Used in Valuing Residential Mortgage Loans (Details) - Fair Value, Measurements, Nonrecurring - Fair Value $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 74,415
Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.081
Weighted Average Life (Years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Weighted Average Life (Years)	5 years 6 months
Prepayment Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.037
CDR
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.046
Loss Severity
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.332
Performing loans
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 54,056
Performing loans | Minimum | Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.065
Performing loans | Minimum | Weighted Average Life (Years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Weighted Average Life (Years)	4 years 9 months 18 days
Performing loans | Minimum | Prepayment Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.023
Performing loans | Minimum | CDR
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.037
Performing loans | Minimum | Loss Severity
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.302
Performing loans | Maximum | Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.083
Performing loans | Maximum | Weighted Average Life (Years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Weighted Average Life (Years)	6 years 9 months 18 days
Performing loans | Maximum | Prepayment Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.062
Performing loans | Maximum | CDR
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.079
Performing loans | Maximum | Loss Severity
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.554
Performing loans | Weighted Average | Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.080
Performing loans | Weighted Average | Weighted Average Life (Years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Weighted Average Life (Years)	5 years 3 months 18 days
Performing loans | Weighted Average | Prepayment Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.040
Performing loans | Weighted Average | CDR
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.044
Performing loans | Weighted Average | Loss Severity
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.337
Non-performing loans
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 20,359
Non-performing loans | Minimum | Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.059
Non-performing loans | Minimum | Weighted Average Life (Years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Weighted Average Life (Years)	5 years 4 months 24 days
Non-performing loans | Minimum | Prepayment Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.024
Non-performing loans | Minimum | CDR
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.013
Non-performing loans | Minimum | Loss Severity
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.232
Non-performing loans | Maximum | Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.100
Non-performing loans | Maximum | Weighted Average Life (Years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Weighted Average Life (Years)	9 years 6 months
Non-performing loans | Maximum | Prepayment Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.031
Non-performing loans | Maximum | CDR
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.091
Non-performing loans | Maximum | Loss Severity
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.445
Non-performing loans | Weighted Average | Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.086
Non-performing loans | Weighted Average | Weighted Average Life (Years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Weighted Average Life (Years)	6 years
Non-performing loans | Weighted Average | Prepayment Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.028
Non-performing loans | Weighted Average | CDR
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.049
Non-performing loans | Weighted Average | Loss Severity
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing receivable, measurement input	0.320