EXCESS MORTGAGE SERVICING RIGHTS - Schedule of Financial Results of the Excess MSR Joint Ventures, Accounted for Under the Equity Method Investees (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
Schedule of Investments in Mortgage Servicing Rights [Line Items]
Excess MSRs	$ 111,664		$ 114,552
Other assets	203,356		182,881
Equity	7,243,372	$ 6,954,543	7,101,038	$ 7,010,068
Rithm Capital’s investment	8,706,723		8,405,938
Interest income	3,454	2,404
Other income (loss)	(3,330)	(5,225)
Expenses	(14)	(8)
Net income (loss)	287,487	89,949
Excess MSR joint ventures
Schedule of Investments in Mortgage Servicing Rights [Line Items]
Rithm Capital’s investment	$ 55,748		$ 62,765
Rithm Capital’s percentage ownership	50.00%		50.00%
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Schedule of Investments in Mortgage Servicing Rights [Line Items]
Other assets	$ 519		$ 11,664
Other liabilities	(687)		(687)
Equity	111,496		$ 125,529
Net income (loss)	$ 110	$ (2,829)