EXCESS MORTGAGE SERVICING RIGHTS - Narrative (Details) - MSRs	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Weighted Average
Schedule of Equity Method Investments [Line Items]
Discount rate	8.30%	7.40%
Minimum
Schedule of Equity Method Investments [Line Items]
Discount rate	7.60%	6.90%
Maximum
Schedule of Equity Method Investments [Line Items]
Discount rate	9.80%	12.50%
Excess MSR Joint Ventures | Weighted Average
Schedule of Equity Method Investments [Line Items]
Discount rate	8.30%	7.80%
Excess MSR Joint Ventures | Minimum
Schedule of Equity Method Investments [Line Items]
Discount rate	8.00%	7.50%
Excess MSR Joint Ventures | Maximum
Schedule of Equity Method Investments [Line Items]
Discount rate	8.50%	8.00%