EQUITY AND EARNINGS PER SHARE - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions					1 Months Ended	3 Months Ended		12 Months Ended
	Mar. 28, 2025	Mar. 21, 2025	Sep. 24, 2024	Aug. 05, 2022	Sep. 30, 2021	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Feb. 28, 2025
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Common stock, shares authorized (in shares)						2,000,000,000		2,000,000,000
Common stock, par value (in dollars per share)				$ 0.01		$ 0.01		$ 0.01
Preferred stock, shares authorized (in shares)						100,000,000		100,000,000
Preferred stock, par values (in dollars per share)						$ 0.01		$ 0.01
Number of common shares (in shares)						49,964,122		51,964,122
Shares repurchased (in shares)						0
Redemption of shares value						$ 50.0
Dividends declared (in dollars per share)						$ 2.30	$ 1.76
Exercise price (in dollars per share)									$ 11.50
Rithm Capital Corp | Rithm Acquisition Corp
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Warrants issued (in shares)									220,000
Warrants exercisable									30 days
Warrant term									5 years
Third Parties | Rithm Acquisition Corp
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Warrants issued (in shares)									7,666,667
7.50% Series A Preferred Stock
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of common shares (in shares)						4,200,068		6,200,068
Redemption of shares (in shares)	2,000,000					2,000,000
Interest rate						7.50%
Redemption price (in dollars per share)						$ 25.00
Dividends declared (in dollars per share)		$ 0.64				$ 0.64	0.47
Preferred dividends		$ 2.7
7.125% Series B Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of common shares (in shares)						11,260,712		11,260,712
Dividends declared (in dollars per share)		$ 0.63				$ 0.63	0.45
Preferred dividends		$ 7.1
6.375% Series C Preferred Stock
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of common shares (in shares)						15,903,342		15,903,342
Dividends declared (in dollars per share)		$ 0.59				$ 0.59	0.40
Preferred dividends		$ 9.4
7.00% Series D Preferred Stock
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of common shares (in shares)						18,600,000		18,600,000
Interest rate					7.00%
Dividends declared (in dollars per share)		$ 0.44				$ 0.44	$ 0.44
Preferred dividends		$ 8.1
Public Offering
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Sale of stock, consideration received on transaction			$ 340.2
Common Stock
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Stock repurchase program, authorized amount									$ 200.0
Common Stock | Distribution Agreement
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Sale of stock, consideration received on transaction				$ 500.0
Number of common shares (in shares)						9,000,000.0
Common Stock | Public Offering
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Common stock, par value (in dollars per share)			$ 0.01
Number of common shares (in shares)			30,000,000
Preferred Stock
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Stock repurchase program, authorized amount									$ 100.0