FAIR VALUE MEASUREMENTS - Carrying Values and Fair Values of Financial Assets Recorded at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands		Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Assets:
MSRs and MSR financing receivables		$ 10,360,063		$ 10,321,671
Government and government-backed securities		8,663,224		7,245,667
Residential mortgage loans, HFS	[1]	4,187,301		4,374,241
Residential mortgage loans, HFS, at fair value		4,126,335		4,307,571
Residential mortgage loans subject to repurchase		2,264,600		2,745,756	$ 1,905,625
Derivative and hedging assets		58,829		75,147
Notes receivable		442,893		393,786
Loans receivable		8,038		31,580
Other assets		2,611,330		2,311,979
Liabilities:
Derivative liabilities		95,339		52,610
MSR financing liability, at fair value		60,940		101,088
Notes receivable financing		376,143		371,788
Recurring Basis
Assets:
Excess MSRs, principal balance		50,719,526		53,494,378
MSRs and MSR financing receivables, principal balance		592,723,336		590,214,351
Servicer advance investments, principal balance		276,702		298,945
Government and government-backed securities, principal balance		8,992,430		9,947,189
Non-Agency Securities, Principal Balance		8,852,683		8,962,730
Residential mortgage loans, HFS, principal balance		68,525		75,872
Residential mortgage loans, HFS, at fair value, principal balance		4,049,979		4,274,620
Residential mortgage loans, HFI, at fair value, principal balance		371,253		396,061
Residential mortgage loans subject to repurchase, principal balance		2,264,600		2,745,756
Consumer loans, principal balance		580,301		767,623
Derivative and hedging assets, principal balance		17,499,607		18,597,732
Mortgage loans receivable, principal balance		2,492,943		2,172,713
Notes receivable, principal balance		532,517		487,276
Loans receivable, principal balance		8,038		31,580
Equity investment, at fair value, principal balance		192,500		192,500
CLOs, principal balance		339,429		243,355
Investments of consolidated CFEs - funds, principal balance		1,133,725		1,108,903
Investments of consolidated CFEs - loan securitizations, principal balance		3,712,455		3,900,428
Liabilities:
Secured financing agreements, principal balance		15,899,785		16,784,505
Secured notes and bonds payable, principal balance		9,824,595		10,353,561
Unsecured notes, net of issuance costs, principal balance		1,512,940		1,302,492
Residential mortgage loan repurchase liability, principal balance		2,264,600		2,745,756
Derivative liabilities, principal balance		16,244,042		11,255,492
MSR financing liability, principal balance		8,613,478		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		3,220,367		3,402,823
Recurring Basis | Asset-Backed Securities Issued
Liabilities:
Fair value, measurement with unobservable inputs reconciliation, recurring basis, liability value		160,400		185,500
Recurring Basis | Level 3
Liabilities:
Fair value, measurement with unobservable inputs reconciliation, recurring basis, liability value		1,690,205	$ 2,104,315	2,482,756	1,347,594	$ 764,107	$ 772,925
Recurring Basis | Level 3 | Asset-Backed Securities Issued
Liabilities:
Fair value, measurement with unobservable inputs reconciliation, recurring basis, liability value		160,433	$ 169,035	185,460	$ 205,286	$ 221,922	$ 235,770
Recurring Basis | Carrying Value
Assets:
Excess MSRs		345,677		369,162
MSRs and MSR financing receivables		10,360,063		10,321,671
Servicer advance investments		312,986		339,646
Government and government-backed securities		8,868,879		9,736,116
Non-Agency Securities		739,143		552,797
Residential mortgage loans, HFS		60,966		66,670
Residential mortgage loans, HFS, at fair value		4,126,335		4,307,571
Residential mortgage loans, HFI, at fair value		343,333		361,890
Residential mortgage loans subject to repurchase		2,264,600		2,745,756
Consumer loans		465,231		665,565
Derivative and hedging assets		58,829		75,147
Mortgage loans receivable		2,497,764		2,178,075
Notes receivable		442,893		393,786
Loans receivable		8,038		31,580
Equity investment, at fair value		194,315		194,410
CLOs		337,392		242,227
Investments of consolidated CFEs - funds		1,159,681		1,118,359
Investments of consolidated CFEs - loan securitizations		3,605,392		3,753,219
Other assets		172,057		113,224
Assets, fair value		36,363,574		37,566,871
Liabilities:
Secured financing agreements		15,897,778		16,782,467
Secured notes and bonds payable		9,764,857		10,298,075
Unsecured notes, net of issuance costs		1,414,497		1,204,220
Residential mortgage loan repurchase liability		2,264,600		2,745,756
Derivative liabilities		95,339		52,610
MSR financing liability, at fair value		60,940		101,088
Notes receivable financing		376,143		371,788
Notes payable of consolidated CFEs - funds		955,757		959,958
Notes payable of consolidated CFEs - loan securitizations		3,095,522		3,228,957
Liabilities, fair value		33,925,433		35,744,919
Recurring Basis | Fair Value
Assets:
Excess MSRs		345,677		369,162
MSRs and MSR financing receivables		10,360,063		10,321,671
Servicer advance investments		312,986		339,646
Government and government-backed securities		8,868,877		9,736,121
Non-Agency Securities		739,143		552,797
Residential mortgage loans, HFS		60,966		66,670
Residential mortgage loans, HFS, at fair value		4,126,335		4,307,571
Residential mortgage loans, HFI, at fair value		343,333		361,890
Residential mortgage loans subject to repurchase		2,264,600		2,745,756
Consumer loans		465,231		665,565
Derivative and hedging assets		58,829		75,147
Mortgage loans receivable		2,497,764		2,178,075
Notes receivable		442,893		393,786
Loans receivable		8,038		31,580
Equity investment, at fair value		194,315		194,410
CLOs		337,392		242,227
Investments of consolidated CFEs - funds		1,159,681		1,118,359
Investments of consolidated CFEs - loan securitizations		3,605,392		3,753,219
Other assets		172,057		113,224
Assets, fair value		36,363,572		37,566,876
Liabilities:
Secured financing agreements		15,900,991		16,787,036
Secured notes and bonds payable		9,768,399		10,318,385
Unsecured notes, net of issuance costs		1,422,452		1,229,408
Residential mortgage loan repurchase liability		2,264,600		2,745,756
Derivative liabilities		95,339		52,610
MSR financing liability, at fair value		60,940		101,088
Notes receivable financing		381,128		377,227
Notes payable of consolidated CFEs - funds		955,757		959,958
Notes payable of consolidated CFEs - loan securitizations		3,095,522		3,228,957
Liabilities, fair value		33,945,128		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		1,282,188		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		78,754		17,831
Assets, fair value		1,360,942		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		113		1,259
MSR financing liability, 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		113		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		7,586,689		6,450,643
Non-Agency Securities		0		0
Residential mortgage loans, HFS		0		0
Residential mortgage loans, HFS, at fair value		4,100,440		4,280,405
Residential mortgage loans, HFI, at fair value		0		0
Residential mortgage loans subject to repurchase		2,264,600		2,745,756
Consumer loans		0		0
Derivative and hedging assets		6,745		53,651
Mortgage loans receivable		0		0
Notes receivable		0		0
Loans receivable		0		0
Equity investment, at fair value		0		0
CLOs		249,627		217,049
Investments of consolidated CFEs - funds		801,443		0
Investments of consolidated CFEs - loan securitizations		2,637,931		2,791,027
Other assets		0		0
Assets, fair value		17,647,475		16,538,531
Liabilities:
Secured financing agreements		15,669,872		16,611,477
Secured notes and bonds payable		0		0
Unsecured notes, net of issuance costs		0		0
Residential mortgage loan repurchase liability		2,264,600		2,745,756
Derivative liabilities		65,184		15,628
MSR financing liability, at fair value		0		0
Notes receivable financing		0		0
Notes payable of consolidated CFEs - funds		731,091		0
Notes payable of consolidated CFEs - loan securitizations		2,232,484		2,369,934
Liabilities, fair value		20,963,231		21,742,795
Recurring Basis | Fair Value | Level 3
Assets:
Excess MSRs		345,677		369,162
MSRs and MSR financing receivables		10,360,063		10,321,671
Servicer advance investments		312,986		339,646
Government and government-backed securities		0		0
Non-Agency Securities		739,143		552,797
Residential mortgage loans, HFS		60,966		66,670
Residential mortgage loans, HFS, at fair value		25,895		27,166
Residential mortgage loans, HFI, at fair value		343,333		361,890
Residential mortgage loans subject to repurchase		0		0
Consumer loans		465,231		665,565
Derivative and hedging assets		52,084		21,496
Mortgage loans receivable		2,497,764		2,178,075
Notes receivable		442,893		393,786
Loans receivable		8,038		31,580
Equity investment, at fair value		194,315		194,410
CLOs		87,765		25,178
Investments of consolidated CFEs - funds		88		785,253
Investments of consolidated CFEs - loan securitizations		967,461		962,192
Other assets		93,303		95,393
Assets, fair value		16,997,005		17,391,930
Liabilities:
Secured financing agreements		231,119		175,559
Secured notes and bonds payable		9,768,399		10,318,385
Unsecured notes, net of issuance costs		1,422,452		1,229,408
Residential mortgage loan repurchase liability		0		0
Derivative liabilities		30,042		35,723
MSR financing liability, at fair value		60,940		101,088
Notes receivable financing		381,128		377,227
Notes payable of consolidated CFEs - funds		224,666		959,958
Notes payable of consolidated CFEs - loan securitizations		863,038		859,023
Liabilities, fair value		12,981,784		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		358,150		333,106
Assets, fair value		358,150		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 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.