EQUITY AND EARNINGS PER SHARE - Schedule of Basic and Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Net income	$ 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
Net Income Attributable to Common Stockholders - diluted	$ 283,899	$ 213,161	$ 320,422	$ 474,801
Basic weighted average shares of common stock outstanding (in shares)	530,171,540	486,721,836	527,154,950	485,029,307
Diluted Weighted Average Shares of Common Stock Outstanding (in shares)	537,347,700	490,981,282	534,011,117	488,456,392
Basic Earnings per Share Attributable to Common Stockholders (in dollars per share)	$ 0.54	$ 0.44	$ 0.61	$ 0.98
Diluted Earnings per Share Attributable to Common Stockholders (in dollars per share)	$ 0.53	$ 0.43	$ 0.60	$ 0.97
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Effect of dilutive securities (in shares)	100	1,078,804	125	988,302
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Effect of dilutive securities (in shares)	0	120,151	85,477	197,452
Time-based RSU awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Effect of dilutive securities (in shares)	2,961,492	1,488,716	2,910,569	1,152,513
Performance-based RSU awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Effect of dilutive securities (in shares)	2,427,103	1,295,297	2,245,417	950,579
Time-based Class B Profit Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Effect of dilutive securities (in shares)	587,518	134,776	531,853	67,388
Performance-based Class B Profit Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Effect of dilutive securities (in shares)	1,199,947	141,702	1,082,726	70,851