SEGMENT REPORTING (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Total Revenues	$ 768,379	$ 1,260,618
Interest expense and warehouse line fees	419,054	409,827
Other segment expenses	212,978	173,100
Compensation and benefits	271,467	235,778
Depreciation and amortization	24,568	31,952
Total Operating Expenses	928,067	850,657
Realized and unrealized gains (losses), net	207,395	(44,846)
Other income (loss), net	9,073	15,784
Total Other Income (Loss), Net	216,468	(29,062)
Income before Income Taxes	56,780	380,899
Income tax expense (benefit)	(23,930)	93,412
Net Income	80,710	287,487
Noncontrolling interests in income of consolidated subsidiaries	1,086	3,452
Redeemable noncontrolling interests in income of consolidated subsidiaries	813	0
Net Income Attributable to Rithm Capital Corp.	78,811	284,035
Change in redemption value of redeemable noncontrolling interests	15,611	0
Dividends on preferred stock	26,677	22,395
Net Income Attributable to Common Stockholders	36,523	261,640
Investments	28,593,467
Cash and cash equivalents	1,493,834
Restricted cash	511,698
Other assets	9,624,211
Goodwill	133,832		$ 133,832
Assets of consolidated CFEs	4,972,801		5,107,826
Total Assets	45,329,843		46,048,957
Debt	28,024,776
Other liabilities	4,933,020
Liabilities of consolidated CFEs	4,230,793		4,348,244
Total Liabilities	37,188,589		38,162,647
Redeemable Noncontrolling Interests of Consolidated Subsidiaries	256,414		0
Total Stockholders’ Equity	7,884,840	7,243,372	7,886,310	$ 7,101,038
Noncontrolling interests in equity of consolidated subsidiaries	108,716		91,336
Stockholders’ Equity in Rithm Capital Corp.	7,776,124		7,794,974
Investments in Equity Method Investees	539,915
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	570,801	469,891
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	(541,916)	84,175
Servicing revenue, net
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues	28,885	554,066
Interest income
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues	441,260	434,795
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	159,789	142,458
Other revenues
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues	50,773	58,348
Asset management revenues
Segment Reporting Information [Line Items]
Total Revenues	87,672	70,951
Mortgage Servicing Rights
Segment Reporting Information [Line Items]
Realization of cash flows	(146,891)	(116,839)
Origination and Servicing
Segment Reporting Information [Line Items]
Goodwill	29,468		29,468
Assets of consolidated CFEs	0
Residential Transitional Lending
Segment Reporting Information [Line Items]
Goodwill	55,731		55,731
Asset Management
Segment Reporting Information [Line Items]
Goodwill	48,633		48,633
Operating Segments | Origination and Servicing
Segment Reporting Information [Line Items]
Total Revenues	498,678	1,007,519
Interest expense and warehouse line fees	292,948	288,856
Other segment expenses	143,767	114,506
Compensation and benefits	172,702	157,981
Depreciation and amortization	7,659	14,630
Total Operating Expenses	617,076	575,973
Realized and unrealized gains (losses), net	208,538	(65,257)
Other income (loss), net	(118)	25
Total Other Income (Loss), Net	208,420	(65,232)
Income before Income Taxes	90,022	366,314
Income tax expense (benefit)	(56,694)	96,201
Net Income	146,716	270,113
Noncontrolling interests in income of consolidated subsidiaries	354	55
Redeemable noncontrolling interests in income of consolidated subsidiaries	0
Net Income Attributable to Rithm Capital Corp.	146,362	270,058
Change in redemption value of redeemable noncontrolling interests	0
Dividends on preferred stock	0	0
Net Income Attributable to Common Stockholders	146,362	270,058
Investments	22,756,176
Cash and cash equivalents	1,000,135
Restricted cash	174,176
Other assets	6,166,441
Goodwill	29,468
Total Assets	30,126,396		32,418,256
Debt	20,352,469
Other liabilities	4,248,496
Liabilities of consolidated CFEs	0
Total Liabilities	24,600,965
Redeemable Noncontrolling Interests of Consolidated Subsidiaries	0
Total Stockholders’ Equity	5,525,431
Noncontrolling interests in equity of consolidated subsidiaries	9,100
Stockholders’ Equity in Rithm Capital Corp.	5,516,331
Investments in Equity Method Investees	25,179
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	570,801	469,891
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	(541,916)	84,175
Operating Segments | Origination and Servicing | Servicing revenue, net
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues	28,885	554,066
Operating Segments | Origination and Servicing | Interest income
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues	292,561	275,205
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	151,494	145,869
Operating Segments | Origination and Servicing | Other revenues
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues	25,738	32,379
Operating Segments | Origination and Servicing | Asset management revenues
Segment Reporting Information [Line Items]
Total Revenues	0	0
Operating Segments | Investment Portfolio
Segment Reporting Information [Line Items]
Total Revenues	105,120	112,517
Interest expense and warehouse line fees	59,636	70,392
Other segment expenses	22,992	21,541
Compensation and benefits	1,162	568
Depreciation and amortization	7,954	7,742
Total Operating Expenses	91,744	100,243
Realized and unrealized gains (losses), net	3,094	2,687
Other income (loss), net	1,489	11,479
Total Other Income (Loss), Net	4,583	14,166
Income before Income Taxes	17,959	26,440
Income tax expense (benefit)	(8,512)	1,248
Net Income	26,471	25,192
Noncontrolling interests in income of consolidated subsidiaries	728	2,037
Redeemable noncontrolling interests in income of consolidated subsidiaries	0
Net Income Attributable to Rithm Capital Corp.	25,743	23,155
Change in redemption value of redeemable noncontrolling interests	0
Dividends on preferred stock	0	0
Net Income Attributable to Common Stockholders	25,743	23,155
Investments	3,502,073
Cash and cash equivalents	24,149
Restricted cash	52,068
Other assets	2,271,563
Goodwill	0
Assets of consolidated CFEs	2,718,096
Total Assets	8,567,949		7,463,738
Debt	4,252,015
Other liabilities	419,235
Liabilities of consolidated CFEs	2,310,483
Total Liabilities	6,981,733
Redeemable Noncontrolling Interests of Consolidated Subsidiaries	0
Total Stockholders’ Equity	1,586,216
Noncontrolling interests in equity of consolidated subsidiaries	58,688
Stockholders’ Equity in Rithm Capital Corp.	1,527,528
Investments in Equity Method Investees	294,756
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
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
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
Operating Segments | Investment Portfolio | Interest income
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues	71,790	89,959
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	8,295	(3,411)
Operating Segments | Investment Portfolio | Other revenues
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues	25,035	25,969
Operating Segments | Investment Portfolio | Asset management revenues
Segment Reporting Information [Line Items]
Total Revenues	0	0
Operating Segments | Residential Transitional Lending
Segment Reporting Information [Line Items]
Total Revenues	66,508	64,720
Interest expense and warehouse line fees	31,701	32,414
Other segment expenses	4,831	3,187
Compensation and benefits	14,391	11,303
Depreciation and amortization	1,567	1,567
Total Operating Expenses	52,490	48,471
Realized and unrealized gains (losses), net	2,043	24,566
Other income (loss), net	(141)	274
Total Other Income (Loss), Net	1,902	24,840
Income before Income Taxes	15,920	41,089
Income tax expense (benefit)	(1,090)	(333)
Net Income	17,010	41,422
Noncontrolling interests in income of consolidated subsidiaries	0	0
Redeemable noncontrolling interests in income of consolidated subsidiaries	0
Net Income Attributable to Rithm Capital Corp.	17,010	41,422
Change in redemption value of redeemable noncontrolling interests	0
Dividends on preferred stock	0	0
Net Income Attributable to Common Stockholders	17,010	41,422
Investments	2,335,218
Cash and cash equivalents	47,107
Restricted cash	34,673
Other assets	204,183
Goodwill	55,731
Assets of consolidated CFEs	990,168
Total Assets	3,667,080		3,439,075
Debt	1,934,141
Other liabilities	26,469
Liabilities of consolidated CFEs	860,843
Total Liabilities	2,821,453
Redeemable Noncontrolling Interests of Consolidated Subsidiaries	0
Total Stockholders’ Equity	845,627
Noncontrolling interests in equity of consolidated subsidiaries	0
Stockholders’ Equity in Rithm Capital Corp.	845,627
Investments in Equity Method Investees	14,407
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
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
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
Operating Segments | Residential Transitional Lending | Interest income
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues	66,508	64,720
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
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
Operating Segments | Residential Transitional Lending | Asset management revenues
Segment Reporting Information [Line Items]
Total Revenues	0	0
Operating Segments | Asset Management
Segment Reporting Information [Line Items]
Total Revenues	97,085	75,860
Interest expense and warehouse line fees	14,089	7,621
Other segment expenses	31,591	23,922
Compensation and benefits	65,330	63,112
Depreciation and amortization	7,384	8,013
Total Operating Expenses	118,394	102,668
Realized and unrealized gains (losses), net	(6,280)	(6,842)
Other income (loss), net	7,838	3,969
Total Other Income (Loss), Net	1,558	(2,873)
Income before Income Taxes	(19,751)	(29,681)
Income tax expense (benefit)	42,366	(3,704)
Net Income	(62,117)	(25,977)
Noncontrolling interests in income of consolidated subsidiaries	4	1,360
Redeemable noncontrolling interests in income of consolidated subsidiaries	3
Net Income Attributable to Rithm Capital Corp.	(62,124)	(27,337)
Change in redemption value of redeemable noncontrolling interests	0
Dividends on preferred stock	0	0
Net Income Attributable to Common Stockholders	(62,124)	(27,337)
Investments	0
Cash and cash equivalents	130,300
Restricted cash	19,971
Other assets	977,086
Goodwill	48,633
Assets of consolidated CFEs	1,264,537
Total Assets	2,440,527		2,508,130
Debt	451,192
Other liabilities	(12,881)
Liabilities of consolidated CFEs	1,059,467
Total Liabilities	1,497,778
Redeemable Noncontrolling Interests of Consolidated Subsidiaries	25,604
Total Stockholders’ Equity	917,145
Noncontrolling interests in equity of consolidated subsidiaries	40,928
Stockholders’ Equity in Rithm Capital Corp.	876,217
Investments in Equity Method Investees	205,573
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
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
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
Operating Segments | Asset Management | Interest income
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues	9,413	4,909
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
Operating Segments | Asset Management | Other revenues
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues	0	0
Operating Segments | Asset Management | Asset management revenues
Segment Reporting Information [Line Items]
Total Revenues	87,672	70,951
Operating Segments | Corporate Category
Segment Reporting Information [Line Items]
Total Revenues	988	2
Interest expense and warehouse line fees	20,680	10,544
Other segment expenses	9,797	9,944
Compensation and benefits	17,882	2,814
Depreciation and amortization	4	0
Total Operating Expenses	48,363	23,302
Realized and unrealized gains (losses), net	0	0
Other income (loss), net	5	37
Total Other Income (Loss), Net	5	37
Income before Income Taxes	(47,370)	(23,263)
Income tax expense (benefit)	0	0
Net Income	(47,370)	(23,263)
Noncontrolling interests in income of consolidated subsidiaries	0	0
Redeemable noncontrolling interests in income of consolidated subsidiaries	810
Net Income Attributable to Rithm Capital Corp.	(48,180)	(23,263)
Change in redemption value of redeemable noncontrolling interests	15,611
Dividends on preferred stock	26,677	22,395
Net Income Attributable to Common Stockholders	(90,468)	(45,658)
Investments	0
Cash and cash equivalents	292,143
Restricted cash	230,810
Other assets	4,938
Goodwill	0
Assets of consolidated CFEs	0
Total Assets	527,891		$ 219,758
Debt	1,034,959
Other liabilities	251,701
Liabilities of consolidated CFEs	0
Total Liabilities	1,286,660
Redeemable Noncontrolling Interests of Consolidated Subsidiaries	230,810
Total Stockholders’ Equity	(989,579)
Noncontrolling interests in equity of consolidated subsidiaries	0
Stockholders’ Equity in Rithm Capital Corp.	(989,579)
Investments in Equity Method Investees	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
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
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
Operating Segments | Corporate Category | Interest income
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues	988	2
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
Operating Segments | Corporate Category | Other revenues
Segment Reporting Information [Line Items]
Origination and Servicing, Investment Portfolio, Mortgage Loans Receivable and Corporate revenues	0	0
Operating Segments | Corporate Category | Asset management revenues
Segment Reporting Information [Line Items]
Total Revenues	$ 0	$ 0