SEGMENT REPORTING (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Total Revenues		$ 1,217,039	$ 1,155,421	$ 2,193,956	$ 2,350,782
Interest expense and warehouse line fees		417,868	465,944	836,922	875,771
Other segment expenses		215,781	181,617	428,759	354,717
Compensation and benefits		294,407	270,448	565,874	506,226
Depreciation and amortization		23,794	32,857	48,362	64,809
Total Operating Expenses		951,850	950,866	1,879,917	1,801,523
Realized and unrealized gains (losses), net		22,741	59,217	21,598	79,628
Other income (loss), net		18,478	26,393	27,551	42,177
Total Other Income, Net		41,219	85,610	49,149	121,805
Income before Income Taxes		306,408	290,165	363,188	671,064
Income tax expense (benefit)		(11,598)	51,648	(35,528)	145,060
Net Income (Loss)		318,006	238,517	398,716	526,004
Noncontrolling interests in income of consolidated subsidiaries		3,169	2,961	4,255	6,413
Redeemable noncontrolling interests in income of consolidated subsidiaries		3,120	0	3,933	0
Net Income Attributable to Rithm Capital Corp.		311,717	235,556	390,528	519,591
Change in redemption value of redeemable noncontrolling interests		0	0	15,611	0
Dividends on preferred stock		27,818	22,395	54,495	44,790
Net Income Attributable to Common Stockholders		283,899	213,161	320,422	474,801
Investments		27,724,832		27,724,832
Cash and cash equivalents		1,600,948		1,600,948
Restricted cash		485,402		485,402
Other assets		9,505,337		9,505,337
Goodwill		133,832		133,832			$ 133,832
Assets of consolidated CFEs		4,865,602		4,865,602			5,107,826
Total Assets		44,315,953		44,315,953			46,048,957
Debt		27,077,132		27,077,132
Other liabilities		4,786,953		4,786,953
Liabilities of consolidated CFEs	[1]	4,131,696		4,131,696			4,348,244
Total Liabilities		35,995,781		35,995,781			38,162,647
Redeemable Noncontrolling Interests of Consolidated Subsidiaries		260,963		260,963			0
Total Stockholders’ Equity		8,059,209	7,420,614	8,059,209	7,420,614	$ 7,884,840	7,886,310	$ 7,243,372	$ 7,101,038
Noncontrolling interests in equity of consolidated subsidiaries		110,826		110,826			91,336
Stockholders’ Equity in Rithm Capital Corp.		7,948,383		7,948,383			7,794,974
Investments in Equity Method Investees		555,183		555,183
Servicing fee revenue, net and interest income from MSRs and MSR financing receivables
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		574,817	498,978	1,145,618	968,869
Change in fair value of MSRs and MSR financing receivables
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		(155,005)	(141,884)	(488,383)	(122,966)
Servicing revenue, net
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		419,812	357,094	657,235	845,903
Interest income
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		478,455	478,653	919,715	913,448
Gain on originated residential mortgage loans, held-for-sale, net
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		169,698	153,741	329,487	296,199
Other revenues
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		54,066	56,500	104,839	114,848
Asset management revenues
Segment Reporting Information [Line Items]
Total Revenues		95,008	109,433	182,680	180,384
Mortgage Servicing Rights
Segment Reporting Information [Line Items]
Realization of cash flows		(176,680)	(165,138)	(323,571)	(281,977)
Origination and Servicing
Segment Reporting Information [Line Items]
Goodwill		29,468		29,468			29,468
Residential Transitional Lending
Segment Reporting Information [Line Items]
Goodwill		55,731		55,731			55,731
Asset Management
Segment Reporting Information [Line Items]
Goodwill		48,633		48,633			48,633
Operating Segments | Origination and Servicing
Segment Reporting Information [Line Items]
Total Revenues		925,629	886,156	1,632,845	1,828,418
Interest expense and warehouse line fees		283,616	344,729	576,564	633,585
Other segment expenses		146,989	117,703	290,756	232,209
Compensation and benefits		190,169	187,987	362,871	345,968
Depreciation and amortization		6,281	16,536	13,940	31,166
Total Operating Expenses		627,055	666,955	1,244,131	1,242,928
Realized and unrealized gains (losses), net		0	0	0	0
Other income (loss), net		6,435	27,336	6,317	27,361
Total Other Income, Net		6,435	27,336	6,317	27,361
Income before Income Taxes		305,009	246,537	395,031	612,851
Income tax expense (benefit)		(11,647)	38,960	(68,341)	135,161
Net Income (Loss)		316,656	207,577	463,372	477,690
Noncontrolling interests in income of consolidated subsidiaries		981	1,016	1,335	1,071
Redeemable noncontrolling interests in income of consolidated subsidiaries		0		0
Net Income Attributable to Rithm Capital Corp.		315,675	206,561	462,037	476,619
Change in redemption value of redeemable noncontrolling interests				0
Dividends on preferred stock		0	0	0	0
Net Income Attributable to Common Stockholders		315,675	206,561	462,037	476,619
Investments		21,460,303		21,460,303
Cash and cash equivalents		1,044,115		1,044,115
Restricted cash		179,882		179,882
Other assets		5,895,066		5,895,066
Goodwill		29,468		29,468
Assets of consolidated CFEs		0		0
Total Assets		28,608,834		28,608,834			32,418,256
Debt		18,685,960		18,685,960
Other liabilities		4,090,923		4,090,923
Liabilities of consolidated CFEs		0		0
Total Liabilities		22,776,883		22,776,883
Redeemable Noncontrolling Interests of Consolidated Subsidiaries		0		0
Total Stockholders’ Equity		5,831,951		5,831,951
Noncontrolling interests in equity of consolidated subsidiaries		9,443		9,443
Stockholders’ Equity in Rithm Capital Corp.		5,822,508		5,822,508
Investments in Equity Method Investees		24,712		24,712
Operating Segments | Origination and Servicing | Servicing fee revenue, net and interest income from MSRs and MSR financing receivables
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		574,817	498,978	1,145,618	968,869
Operating Segments | Origination and Servicing | Change in fair value of MSRs and MSR financing receivables
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		(155,005)	(141,884)	(488,383)	(122,966)
Operating Segments | Origination and Servicing | Servicing revenue, net
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		419,812	357,094	657,235	845,903
Operating Segments | Origination and Servicing | Interest income
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		309,940	343,335	602,501	618,540
Operating Segments | Origination and Servicing | Gain on originated residential mortgage loans, held-for-sale, net
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		168,438	155,771	319,932	301,640
Operating Segments | Origination and Servicing | Other revenues
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		27,439	29,956	53,177	62,335
Operating Segments | Origination and Servicing | Asset management revenues
Segment Reporting Information [Line Items]
Total Revenues		0	0	0	0
Operating Segments | Investment Portfolio
Segment Reporting Information [Line Items]
Total Revenues		110,030	95,286	215,150	207,803
Interest expense and warehouse line fees		69,904	62,079	129,540	132,471
Other segment expenses		22,162	17,569	45,154	39,110
Compensation and benefits		1,004	344	2,166	912
Depreciation and amortization		7,849	7,305	15,803	15,047
Total Operating Expenses		100,919	87,297	192,663	187,540
Realized and unrealized gains (losses), net		16,177	32,011	19,271	34,698
Other income (loss), net		8,841	(1,502)	10,330	9,977
Total Other Income, Net		25,018	30,509	29,601	44,675
Income before Income Taxes		34,129	38,498	52,088	64,938
Income tax expense (benefit)		(1,507)	2,909	(10,019)	4,157
Net Income (Loss)		35,636	35,589	62,107	60,781
Noncontrolling interests in income of consolidated subsidiaries		1,533	1,110	2,261	3,147
Redeemable noncontrolling interests in income of consolidated subsidiaries		0		0
Net Income Attributable to Rithm Capital Corp.		34,103	34,479	59,846	57,634
Change in redemption value of redeemable noncontrolling interests				0
Dividends on preferred stock		0	0	0	0
Net Income Attributable to Common Stockholders		34,103	34,479	59,846	57,634
Investments		3,766,765		3,766,765
Cash and cash equivalents		24,943		24,943
Restricted cash		43,755		43,755
Other assets		2,376,924		2,376,924
Goodwill		0		0
Assets of consolidated CFEs		2,645,929		2,645,929
Total Assets		8,858,316		8,858,316			7,463,738
Debt		4,589,739		4,589,739
Other liabilities		417,466		417,466
Liabilities of consolidated CFEs		2,240,815		2,240,815
Total Liabilities		7,248,020		7,248,020
Redeemable Noncontrolling Interests of Consolidated Subsidiaries		0		0
Total Stockholders’ Equity		1,610,296		1,610,296
Noncontrolling interests in equity of consolidated subsidiaries		58,630		58,630
Stockholders’ Equity in Rithm Capital Corp.		1,551,666		1,551,666
Investments in Equity Method Investees		308,288		308,288
Operating Segments | Investment Portfolio | Servicing fee revenue, net and interest income from MSRs and MSR financing receivables
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		0	0	0	0
Operating Segments | Investment Portfolio | Change in fair value of MSRs and MSR financing receivables
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		0	0	0	0
Operating Segments | Investment Portfolio | Servicing revenue, net
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		0	0	0	0
Operating Segments | Investment Portfolio | Interest income
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		82,143	70,772	153,933	160,731
Operating Segments | Investment Portfolio | Gain on originated residential mortgage loans, held-for-sale, net
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		1,260	(2,030)	9,555	(5,441)
Operating Segments | Investment Portfolio | Other revenues
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		26,627	26,544	51,662	52,513
Operating Segments | Investment Portfolio | Asset management revenues
Segment Reporting Information [Line Items]
Total Revenues		0	0	0	0
Operating Segments | Residential Transitional Lending
Segment Reporting Information [Line Items]
Total Revenues		75,405	59,573	141,913	124,293
Interest expense and warehouse line fees		33,620	29,106	65,321	61,520
Other segment expenses		5,234	4,739	10,065	7,926
Compensation and benefits		15,308	9,113	29,699	20,416
Depreciation and amortization		2,289	1,567	3,856	3,134
Total Operating Expenses		56,451	44,525	108,941	92,996
Realized and unrealized gains (losses), net		6,809	18,739	8,852	43,305
Other income (loss), net		(713)	(2,116)	(854)	(1,842)
Total Other Income, Net		6,096	16,623	7,998	41,463
Income before Income Taxes		25,050	31,671	40,970	72,760
Income tax expense (benefit)		330	1,952	(760)	1,619
Net Income (Loss)		24,720	29,719	41,730	71,141
Noncontrolling interests in income of consolidated subsidiaries		0	0	0	0
Redeemable noncontrolling interests in income of consolidated subsidiaries		0		0
Net Income Attributable to Rithm Capital Corp.		24,720	29,719	41,730	71,141
Change in redemption value of redeemable noncontrolling interests				0
Dividends on preferred stock		0	0	0	0
Net Income Attributable to Common Stockholders		24,720	29,719	41,730	71,141
Investments		2,497,764		2,497,764
Cash and cash equivalents		67,078		67,078
Restricted cash		21,025		21,025
Other assets		156,817		156,817
Goodwill		55,731		55,731
Assets of consolidated CFEs		989,398		989,398
Total Assets		3,787,813		3,787,813			3,439,075
Debt		2,073,586		2,073,586
Other liabilities		29,487		29,487
Liabilities of consolidated CFEs		863,994		863,994
Total Liabilities		2,967,067		2,967,067
Redeemable Noncontrolling Interests of Consolidated Subsidiaries		0		0
Total Stockholders’ Equity		820,746		820,746
Noncontrolling interests in equity of consolidated subsidiaries		0		0
Stockholders’ Equity in Rithm Capital Corp.		820,746		820,746
Investments in Equity Method Investees		14,700		14,700
Operating Segments | Residential Transitional Lending | Servicing fee revenue, net and interest income from MSRs and MSR financing receivables
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		0	0	0	0
Operating Segments | Residential Transitional Lending | Change in fair value of MSRs and MSR financing receivables
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		0	0	0	0
Operating Segments | Residential Transitional Lending | Servicing revenue, net
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		0	0	0	0
Operating Segments | Residential Transitional Lending | Interest income
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		75,405	59,573	141,913	124,293
Operating Segments | Residential Transitional Lending | Gain on originated residential mortgage loans, held-for-sale, net
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		0	0	0	0
Operating Segments | Residential Transitional Lending | Other revenues
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		0	0	0	0
Operating Segments | Residential Transitional Lending | Asset management revenues
Segment Reporting Information [Line Items]
Total Revenues		0	0	0	0
Operating Segments | Asset Management
Segment Reporting Information [Line Items]
Total Revenues		102,849	114,404	199,934	190,264
Interest expense and warehouse line fees		8,710	8,333	22,799	15,954
Other segment expenses		26,487	23,991	58,078	47,913
Compensation and benefits		67,401	51,982	132,731	115,094
Depreciation and amortization		7,348	7,449	14,732	15,462
Total Operating Expenses		109,946	91,755	228,340	194,423
Realized and unrealized gains (losses), net		416	8,467	(5,864)	1,625
Other income (loss), net		5,124	2,675	12,962	6,644
Total Other Income, Net		5,540	11,142	7,098	8,269
Income before Income Taxes		(1,557)	33,791	(21,308)	4,110
Income tax expense (benefit)		1,226	7,827	43,592	4,123
Net Income (Loss)		(2,783)	25,964	(64,900)	(13)
Noncontrolling interests in income of consolidated subsidiaries		655	835	659	2,195
Redeemable noncontrolling interests in income of consolidated subsidiaries		561		564
Net Income Attributable to Rithm Capital Corp.		(3,999)	25,129	(66,123)	(2,208)
Change in redemption value of redeemable noncontrolling interests				0
Dividends on preferred stock		0	0	0	0
Net Income Attributable to Common Stockholders		(3,999)	25,129	(66,123)	(2,208)
Investments		0		0
Cash and cash equivalents		111,218		111,218
Restricted cash		7,370		7,370
Other assets		1,073,222		1,073,222
Goodwill		48,633		48,633
Assets of consolidated CFEs		1,230,275		1,230,275
Total Assets		2,470,718		2,470,718			2,508,130
Debt		471,585		471,585
Other liabilities		6,492		6,492
Liabilities of consolidated CFEs		1,026,887		1,026,887
Total Liabilities		1,504,964		1,504,964
Redeemable Noncontrolling Interests of Consolidated Subsidiaries		27,594		27,594
Total Stockholders’ Equity		938,160		938,160
Noncontrolling interests in equity of consolidated subsidiaries		42,753		42,753
Stockholders’ Equity in Rithm Capital Corp.		895,407		895,407
Investments in Equity Method Investees		207,483		207,483
Operating Segments | Asset Management | Servicing fee revenue, net and interest income from MSRs and MSR financing receivables
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		0	0	0	0
Operating Segments | Asset Management | Change in fair value of MSRs and MSR financing receivables
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		0	0	0	0
Operating Segments | Asset Management | Servicing revenue, net
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		0	0	0	0
Operating Segments | Asset Management | Interest income
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		7,841	4,971	17,254	9,880
Operating Segments | Asset Management | Gain on originated residential mortgage loans, held-for-sale, net
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		0	0	0	0
Operating Segments | Asset Management | Other revenues
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		0	0	0	0
Operating Segments | Asset Management | Asset management revenues
Segment Reporting Information [Line Items]
Total Revenues		95,008	109,433	182,680	180,384
Operating Segments | Corporate Category
Segment Reporting Information [Line Items]
Total Revenues		3,126	2	4,114	4
Interest expense and warehouse line fees		22,018	21,697	42,698	32,241
Other segment expenses		14,909	17,615	24,706	27,559
Compensation and benefits		20,525	21,022	38,407	23,836
Depreciation and amortization		27	0	31	0
Total Operating Expenses		57,479	60,334	105,842	83,636
Realized and unrealized gains (losses), net		(661)	0	(661)	0
Other income (loss), net		(1,209)	0	(1,204)	37
Total Other Income, Net		(1,870)	0	(1,865)	37
Income before Income Taxes		(56,223)	(60,332)	(103,593)	(83,595)
Income tax expense (benefit)		0	0	0	0
Net Income (Loss)		(56,223)	(60,332)	(103,593)	(83,595)
Noncontrolling interests in income of consolidated subsidiaries		0	0	0	0
Redeemable noncontrolling interests in income of consolidated subsidiaries		2,559		3,369
Net Income Attributable to Rithm Capital Corp.		(58,782)	(60,332)	(106,962)	(83,595)
Change in redemption value of redeemable noncontrolling interests				15,611
Dividends on preferred stock		27,818	22,395	54,495	44,790
Net Income Attributable to Common Stockholders		(86,600)	(82,727)	(177,068)	(128,385)
Investments		0		0
Cash and cash equivalents		353,594		353,594
Restricted cash		233,370		233,370
Other assets		3,308		3,308
Goodwill		0		0
Assets of consolidated CFEs		0		0
Total Assets		590,272		590,272			$ 219,758
Debt		1,256,262		1,256,262
Other liabilities		242,585		242,585
Liabilities of consolidated CFEs		0		0
Total Liabilities		1,498,847		1,498,847
Redeemable Noncontrolling Interests of Consolidated Subsidiaries		233,369		233,369
Total Stockholders’ Equity		(1,141,944)		(1,141,944)
Noncontrolling interests in equity of consolidated subsidiaries		0		0
Stockholders’ Equity in Rithm Capital Corp.		(1,141,944)		(1,141,944)
Investments in Equity Method Investees		0		0
Operating Segments | Corporate Category | Servicing fee revenue, net and interest income from MSRs and MSR financing receivables
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		0	0	0	0
Operating Segments | Corporate Category | Change in fair value of MSRs and MSR financing receivables
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		0	0	0	0
Operating Segments | Corporate Category | Servicing revenue, net
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		0	0	0	0
Operating Segments | Corporate Category | Interest income
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		3,126	2	4,114	4
Operating Segments | Corporate Category | Gain on originated residential mortgage loans, held-for-sale, net
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		0	0	0	0
Operating Segments | Corporate Category | Other revenues
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues		0	0	0	0
Operating Segments | Corporate Category | Asset management revenues
Segment Reporting Information [Line Items]
Total Revenues		$ 0	$ 0	$ 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.