CONSUMER LOANS - Schedule of Aggregate Unpaid Principal Balance and Aggregate Carrying Value (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Schedule of Equity Method Investments [Line Items]
Notes receivable	$ 442,893	$ 393,786
90+
Schedule of Equity Method Investments [Line Items]
UPB	0	0
Notes receivable	0	0
Carrying Value Over (Under) UPB	0	0
Past Due
Schedule of Equity Method Investments [Line Items]
UPB	540,555	518,856
Notes receivable	450,931	425,366
Carrying Value Over (Under) UPB	(89,624)	(93,490)
Consumer Portfolio Segment | Current | Total Rithm Capital Stockholders’ Equity | SpringCastle
Schedule of Equity Method Investments [Line Items]
UPB	178,173	203,923
Notes receivable	186,197	214,746
Carrying Value Over (Under) UPB	8,024	10,823
Consumer Portfolio Segment | Current | Total Rithm Capital Stockholders’ Equity | Marcus
Schedule of Equity Method Investments [Line Items]
UPB	259,947	438,712
Notes receivable	260,727	438,712
Carrying Value Over (Under) UPB	780	0
Consumer Portfolio Segment | 90+ | Total Rithm Capital Stockholders’ Equity | SpringCastle
Schedule of Equity Method Investments [Line Items]
UPB	3,789	4,383
Notes receivable	3,941	4,562
Carrying Value Over (Under) UPB	152	179
Consumer Portfolio Segment | 90+ | Total Rithm Capital Stockholders’ Equity | Marcus
Schedule of Equity Method Investments [Line Items]
UPB	138,392	120,605
Notes receivable	14,366	7,545
Carrying Value Over (Under) UPB	(124,026)	(113,060)
Consumer Portfolio Segment | Past Due | Total Rithm Capital Stockholders’ Equity
Schedule of Equity Method Investments [Line Items]
UPB	580,301	767,623
Notes receivable	465,231	665,565
Carrying Value Over (Under) UPB	(115,070)	(102,058)
Consumer Portfolio Segment | Past Due | Total Rithm Capital Stockholders’ Equity | SpringCastle
Schedule of Equity Method Investments [Line Items]
UPB	181,962	208,306
Notes receivable	190,138	219,308
Carrying Value Over (Under) UPB	8,176	11,002
Consumer Portfolio Segment | Past Due | Total Rithm Capital Stockholders’ Equity | Marcus
Schedule of Equity Method Investments [Line Items]
UPB	398,339	559,317
Notes receivable	275,093	446,257
Carrying Value Over (Under) UPB	$ (123,246)	$ (113,060)