RESIDENTIAL MORTGAGE LOANS - Carrying Value of Mortgage Loans (Details) - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2025	Jun. 30, 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 reversal on loans		2,932	$ (1,268)
Balance, ending	[1]	4,187,301
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		27,450,957
Sales		(29,550,058)
Purchases/additional fundings		1,952,393
Proceeds from repayments		(89,124)
Transfer of loans from (to) other assets		18,777
Transfer of loans to REO		(2,220)
Valuation reversal on loans		830
Changes in instrument-specific credit risk		(5,508)
Other factors		18,456
Balance, ending		4,530,634
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		(22,140)
Transfer of loans from (to) other assets		0
Transfer of loans to REO		(1,418)
Valuation reversal on loans		0
Changes in instrument-specific credit risk		(1,304)
Other factors		6,305
Balance, ending		343,333
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		(5,502)
Transfer of loans from (to) other assets		(687)
Transfer of loans to REO		(345)
Valuation reversal on loans		830
Changes in instrument-specific credit risk		0
Other factors		0
Balance, ending		60,966
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		27,450,957
Sales		(29,550,058)
Purchases/additional fundings		1,952,393
Proceeds from repayments		(61,482)
Transfer of loans from (to) other assets		19,464
Transfer of loans to REO		(457)
Valuation reversal on loans		0
Changes in instrument-specific credit risk		(4,204)
Other factors		12,151
Balance, ending		$ 4,126,335

[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 June 30, 2025 and December 31, 2024, total assets of such consolidated VIEs were $6.2 billion and $6.3 billion, respectively, and total liabilities of such consolidated VIEs were $4.9 billion and $5.2 billion, respectively. See Note 20 for further details.