RESIDENTIAL MORTGAGE LOANS - Carrying Value of Mortgage Loans (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance, beginning	[1]	$ 4,374,241
Valuation (provision) reversal on loans		2,042	$ (462)
Balance, ending	[1]	3,156,350
Residential Portfolio Segment
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance, beginning		4,736,131
Originations		11,879,050
Sales		(13,558,301)
Purchases/additional fundings		476,410
Proceeds from repayments		(36,720)
Transfer of loans from (to) other assets		10,403
Transfer of loans to REO		(1,158)
Valuation (provision) reversal on loans		508
Changes in instrument-specific credit risk		(5,946)
Other factors		9,976
Balance, ending		3,510,353
Loans HFI, at Fair Value | Residential Portfolio Segment
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance, beginning		361,890
Originations		0
Sales		0
Purchases/additional fundings		0
Proceeds from repayments		(10,287)
Transfer of loans from (to) other assets		0
Transfer of loans to REO		(846)
Valuation (provision) reversal on loans		0
Changes in instrument-specific credit risk		(1,353)
Other factors		4,599
Balance, ending		354,003
Residential Mortgage Loans, Held-for-Sale | Loans HFS, at Lower of Cost or Fair Value | Residential Portfolio Segment
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance, beginning		66,670
Originations		0
Sales		0
Purchases/additional fundings		0
Proceeds from repayments		(2,223)
Transfer of loans from (to) other assets		(579)
Transfer of loans to REO		(128)
Valuation (provision) reversal on loans		508
Changes in instrument-specific credit risk		0
Other factors		0
Balance, ending		64,248
Residential Mortgage Loans, Held-for-Sale | Loans HFS, at Fair Value | Residential Portfolio Segment
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]
Balance, beginning		4,307,571
Originations		11,879,050
Sales		(13,558,301)
Purchases/additional fundings		476,410
Proceeds from repayments		(24,210)
Transfer of loans from (to) other assets		10,982
Transfer of loans to REO		(184)
Valuation (provision) reversal on loans		0
Changes in instrument-specific credit risk		(4,593)
Other factors		5,377
Balance, ending		$ 3,092,102

[1] The Company's consolidated balance sheets include assets and liabilities of consolidated variable interest entities (“VIEs”) and certain other consolidated VIEs classified as collateralized financing entities (“CFEs”) that are presented separately and measured under the CFE election. VIE assets can only be used to settle obligations and liabilities of the VIEs. VIE creditors do not have recourse to Rithm Capital Corp. As of March 31, 2025 and December 31, 2024, total assets of such consolidated VIEs were $6.4 billion and $6.3 billion, respectively, and total liabilities of such consolidated VIEs were $5.0 billion and $5.2 billion, respectively. See Note 20 for further details.