CONSUMER LOANS - Schedule of Past Due Status and Difference Between Aggregate UPB and Aggregate Carrying Value of Consumer Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]
Carrying Value	$ 364,977
90+
Schedule of Equity Method Investments [Line Items]
UPB	0	$ 0
Carrying Value	0	0
Carrying Value Over (Under) UPB	0	0
Consumer Portfolio Segment | Current | SpringCastle | Total Rithm Capital Stockholders’ Equity
Schedule of Equity Method Investments [Line Items]
UPB	241,454	255,441
Carrying Value	262,483	280,577
Carrying Value Over (Under) UPB	21,029	25,136
Consumer Portfolio Segment | Current | Marcus | Total Rithm Capital Stockholders’ Equity
Schedule of Equity Method Investments [Line Items]
UPB	842,297	1,014,404
Carrying Value	775,293	956,076
Carrying Value Over (Under) UPB	(67,004)	(58,328)
Consumer Portfolio Segment | 90+ | SpringCastle | Total Rithm Capital Stockholders’ Equity
Schedule of Equity Method Investments [Line Items]
UPB	5,099	4,661
Carrying Value	5,465	5,055
Carrying Value Over (Under) UPB	366	394
Consumer Portfolio Segment | 90+ | Marcus | Total Rithm Capital Stockholders’ Equity
Schedule of Equity Method Investments [Line Items]
UPB	65,792	34,268
Carrying Value	60,558	32,297
Carrying Value Over (Under) UPB	(5,234)	(1,971)
Consumer Portfolio Segment | Past Due | Total Rithm Capital Stockholders’ Equity
Schedule of Equity Method Investments [Line Items]
UPB	1,154,642	1,308,774
Carrying Value	1,103,799	1,274,005
Carrying Value Over (Under) UPB	(50,843)	(34,769)
Consumer Portfolio Segment | Past Due | SpringCastle | Total Rithm Capital Stockholders’ Equity
Schedule of Equity Method Investments [Line Items]
UPB	246,553	260,102
Carrying Value	267,948	285,632
Carrying Value Over (Under) UPB	21,395	25,530
Consumer Portfolio Segment | Past Due | Marcus | Total Rithm Capital Stockholders’ Equity
Schedule of Equity Method Investments [Line Items]
UPB	908,089	1,048,672
Carrying Value	835,851	988,373
Carrying Value Over (Under) UPB	$ (72,238)	$ (60,299)