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EXCESS MORTGAGE SERVICING RIGHTS - Narrative (Details) - USD ($) $ in Millions		3 Months Ended	12 Months Ended
	Jun. 20, 2024	Mar. 31, 2025	Dec. 31, 2024
Excess MSRs \| Weighted Average
Schedule of Equity Method Investments [Line Items]
Discount rate		8.40%	8.40%
Variable Interest Entity, Primary Beneficiary \| Rithm SCU Excess Holdings LLC \| Corporate Joint Venture
Schedule of Equity Method Investments [Line Items]
Ownership percentage	80.00%
Fortresses Excess MSR Portfolio
Schedule of Equity Method Investments [Line Items]
Purchases, net	$ 124.0