FAIR VALUE MEASUREMENTS - Carrying Values and Fair Values of Financial Assets Recorded at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands		Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Assets:
MSRs and MSR financing receivables		$ 10,133,041	$ 10,321,671
Government and government-backed securities		8,657,974	7,245,667
Residential mortgage loans, HFS	[1]	3,156,350	4,374,241
Residential mortgage loans, HFS, at fair value		3,092,102	4,307,571
Residential mortgage loans subject to repurchase		2,432,605	2,745,756	$ 1,845,889
Derivative and hedging assets		40,553	75,147
Notes receivable		434,124	393,786
Loans receivable		17,717	31,580
Other assets		2,422,538	2,311,979
Liabilities:
Derivative liabilities		60,756	52,610
Excess spread financing, at fair value		104,721	101,088
Notes receivable financing		373,508	371,788
Recurring Basis
Assets:
Excess MSRs, principal balance		52,144,523	53,494,378
MSRs and MSR financing receivables, principal balance		591,114,997	590,214,351
Servicer advance investments, principal balance		283,068	298,945
Government and government-backed securities, principal balance		11,170,808	9,947,189
Non-Agency Securities, Principal Balance		8,913,777	8,962,730
Residential mortgage loans, HFS, principal balance		72,641	75,872
Residential mortgage loans, HFS, at fair value, principal balance		3,047,797	4,274,620
Residential mortgage loans, HFI, at fair value, principal balance		384,304	396,061
Residential mortgage loans subject to repurchase, principal balance		2,432,605	2,745,756
Consumer loans, principal balance		663,117	767,623
Derivative and hedging assets, principal balance		16,019,170	18,597,732
Mortgage loans receivable, principal balance		2,330,788	2,172,713
Notes receivable, principal balance		526,170	487,276
Loans receivable, principal balance		17,717	31,580
Equity investment, at fair value, principal balance		192,500	192,500
CLOs, principal balance		268,896	243,355
Investments of consolidated CFEs - funds, principal balance		1,151,477	1,108,903
Investments of consolidated CFEs - loan securitizations, principal balance		3,781,686	3,900,428
Liabilities:
Secured financing agreements, principal balance		16,793,265	16,784,505
Secured notes and bonds payable, principal balance		10,093,170	10,353,561
Unsecured notes, net of issuance costs, principal balance		1,302,382	1,302,492
Residential mortgage loan repurchase liability, principal balance		2,432,605	2,745,756
Derivative liabilities, principal balance		14,879,462	11,255,492
Excess spread financing, principal balance		14,877,137	15,271,757
Notes receivable financing, principal balance		371,446	371,446
Notes payable of consolidated CFEs - funds, principal balance		960,250	1,182,640
Notes payable of consolidated CFEs - loan securitizations, principal balance		3,310,406	3,402,823
Recurring Basis | Asset-Backed Securities Issued
Liabilities:
Fair value, measurement with unobservable inputs reconciliation, recurring basis, liability value		169,000	185,500
Recurring Basis | Level 3
Liabilities:
Fair value, measurement with unobservable inputs reconciliation, recurring basis, liability value		2,104,315	2,482,756	764,107	$ 772,925
Recurring Basis | Level 3 | Asset-Backed Securities Issued
Liabilities:
Fair value, measurement with unobservable inputs reconciliation, recurring basis, liability value		169,035	185,460	$ 221,922	$ 235,770
Recurring Basis | Carrying Value
Assets:
Excess MSRs		354,923	369,162
MSRs and MSR financing receivables		10,133,041	10,321,671
Servicer advance investments		321,531	339,646
Government and government-backed securities		11,048,701	9,736,116
Non-Agency Securities		639,458	552,797
Residential mortgage loans, HFS		64,248	66,670
Residential mortgage loans, HFS, at fair value		3,092,102	4,307,571
Residential mortgage loans, HFI, at fair value		354,003	361,890
Residential mortgage loans subject to repurchase		2,432,605	2,745,756
Consumer loans		554,168	665,565
Derivative and hedging assets		40,553	75,147
Mortgage loans receivable		2,335,218	2,178,075
Notes receivable		434,124	393,786
Loans receivable		17,717	31,580
Equity investment, at fair value		194,378	194,410
CLOs		266,612	242,227
Investments of consolidated CFEs - funds		1,175,136	1,118,359
Investments of consolidated CFEs - loan securitizations		3,641,644	3,753,219
Other assets		153,242	113,224
Assets, fair value		37,253,404	37,566,871
Liabilities:
Secured financing agreements		16,791,234	16,782,467
Secured notes and bonds payable		10,025,948	10,298,075
Unsecured notes, net of issuance costs		1,207,594	1,204,220
Residential mortgage loan repurchase liability		2,432,605	2,745,756
Derivative liabilities		60,756	52,610
Excess spread financing, at fair value		104,721	101,088
Notes receivable financing		373,508	371,788
Notes payable of consolidated CFEs - funds		955,470	959,958
Notes payable of consolidated CFEs - loan securitizations		3,154,926	3,228,957
Liabilities, fair value		35,106,762	35,744,919
Recurring Basis | Fair Value
Assets:
Excess MSRs		354,923	369,162
MSRs and MSR financing receivables		10,133,041	10,321,671
Servicer advance investments		321,531	339,646
Government and government-backed securities		11,048,702	9,736,121
Non-Agency Securities		639,458	552,797
Residential mortgage loans, HFS		64,248	66,670
Residential mortgage loans, HFS, at fair value		3,092,102	4,307,571
Residential mortgage loans, HFI, at fair value		354,003	361,890
Residential mortgage loans subject to repurchase		2,432,605	2,745,756
Consumer loans		554,168	665,565
Derivative and hedging assets		40,553	75,147
Mortgage loans receivable		2,335,218	2,178,075
Notes receivable		434,124	393,786
Loans receivable		17,717	31,580
Equity investment, at fair value		194,378	194,410
CLOs		266,612	242,227
Investments of consolidated CFEs - funds		1,175,136	1,118,359
Investments of consolidated CFEs - loan securitizations		3,641,644	3,753,219
Other assets		153,242	113,224
Assets, fair value		37,253,405	37,566,876
Liabilities:
Secured financing agreements		16,794,764	16,787,036
Secured notes and bonds payable		10,051,705	10,318,385
Unsecured notes, net of issuance costs		1,224,472	1,229,408
Residential mortgage loan repurchase liability		2,432,605	2,745,756
Derivative liabilities		60,756	52,610
Excess spread financing, at fair value		104,721	101,088
Notes receivable financing		378,721	377,227
Notes payable of consolidated CFEs - funds		955,470	959,958
Notes payable of consolidated CFEs - loan securitizations		3,154,926	3,228,957
Liabilities, fair value		35,158,140	35,800,425
Recurring Basis | Fair Value | Level 1
Assets:
Excess MSRs		0	0
MSRs and MSR financing receivables		0	0
Servicer advance investments		0	0
Government and government-backed securities		3,296,798	3,285,478
Non-Agency Securities		0	0
Residential mortgage loans, HFS		0	0
Residential mortgage loans, HFS, at fair value		0	0
Residential mortgage loans, HFI, at fair value		0	0
Residential mortgage loans subject to repurchase		0	0
Consumer loans		0	0
Derivative and hedging assets		0	0
Mortgage loans receivable		0	0
Notes receivable		0	0
Loans receivable		0	0
Equity investment, at fair value		0	0
CLOs		0	0
Investments of consolidated CFEs - funds		0	0
Investments of consolidated CFEs - loan securitizations		0	0
Other assets		59,744	17,831
Assets, fair value		3,356,542	3,303,309
Liabilities:
Secured financing agreements		0	0
Secured notes and bonds payable		0	0
Unsecured notes, net of issuance costs		0	0
Residential mortgage loan repurchase liability		0	0
Derivative liabilities		7	1,259
Excess spread financing, at fair value		0	0
Notes receivable financing		0	0
Notes payable of consolidated CFEs - funds		0	0
Notes payable of consolidated CFEs - loan securitizations		0	0
Liabilities, fair value		7	1,259
Recurring Basis | Fair Value | Level 1 | US Treasury Bill Securities
Liabilities:
Amortized cost		24,800	24,800
Recurring Basis | Fair Value | Level 2
Assets:
Excess MSRs		0	0
MSRs and MSR financing receivables		0	0
Servicer advance investments		0	0
Government and government-backed securities		7,751,904	6,450,643
Non-Agency Securities		0	0
Residential mortgage loans, HFS		0	0
Residential mortgage loans, HFS, at fair value		3,065,669	4,280,405
Residential mortgage loans, HFI, at fair value		0	0
Residential mortgage loans subject to repurchase		2,432,605	2,745,756
Consumer loans		0	0
Derivative and hedging assets		2,630	53,651
Mortgage loans receivable		0	0
Notes receivable		0	0
Loans receivable		0	0
Equity investment, at fair value		0	0
CLOs		227,934	217,049
Investments of consolidated CFEs - funds		400,500	0
Investments of consolidated CFEs - loan securitizations		2,703,112	2,791,027
Other assets		0	0
Assets, fair value		16,584,354	16,538,531
Liabilities:
Secured financing agreements		16,595,868	16,611,477
Secured notes and bonds payable		0	0
Unsecured notes, net of issuance costs		0	0
Residential mortgage loan repurchase liability		2,432,605	2,745,756
Derivative liabilities		31,692	15,628
Excess spread financing, at fair value		0	0
Notes receivable financing		0	0
Notes payable of consolidated CFEs - funds		363,392	0
Notes payable of consolidated CFEs - loan securitizations		2,295,166	2,369,934
Liabilities, fair value		21,718,723	21,742,795
Recurring Basis | Fair Value | Level 3
Assets:
Excess MSRs		354,923	369,162
MSRs and MSR financing receivables		10,133,041	10,321,671
Servicer advance investments		321,531	339,646
Government and government-backed securities		0	0
Non-Agency Securities		639,458	552,797
Residential mortgage loans, HFS		64,248	66,670
Residential mortgage loans, HFS, at fair value		26,433	27,166
Residential mortgage loans, HFI, at fair value		354,003	361,890
Residential mortgage loans subject to repurchase		0	0
Consumer loans		554,168	665,565
Derivative and hedging assets		37,923	21,496
Mortgage loans receivable		2,335,218	2,178,075
Notes receivable		434,124	393,786
Loans receivable		17,717	31,580
Equity investment, at fair value		194,378	194,410
CLOs		38,678	25,178
Investments of consolidated CFEs - funds		418,598	785,253
Investments of consolidated CFEs - loan securitizations		938,532	962,192
Other assets		93,498	95,393
Assets, fair value		16,956,471	17,391,930
Liabilities:
Secured financing agreements		198,896	175,559
Secured notes and bonds payable		10,051,705	10,318,385
Unsecured notes, net of issuance costs		1,224,472	1,229,408
Residential mortgage loan repurchase liability		0	0
Derivative liabilities		29,057	35,723
Excess spread financing, at fair value		104,721	101,088
Notes receivable financing		378,721	377,227
Notes payable of consolidated CFEs - funds		592,078	959,958
Notes payable of consolidated CFEs - loan securitizations		859,760	859,023
Liabilities, fair value		13,439,410	14,056,371
Recurring Basis | Fair Value | Fair Value Measured at Net Asset Value Per Share
Assets:
Equity investment, at fair value		0
Investments of consolidated CFEs - funds		356,038	333,106
Assets, fair value		356,038	333,106
Liabilities:
Liabilities, fair value		$ 0	$ 0

[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.