MORTGAGE SERVICING RIGHTS AND MSR FINANCING RECEIVABLES - Schedule of Investment in MSRs and MSR Financing Receivables (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022		Dec. 31, 2021		Dec. 31, 2020
Schedule of Mortgage Servicing Rights [Line Items]
Weighted Average Life (Years)	1 year 2 months 12 days
Rithm Capital’s investment	$ 8,889,403		$ 6,858,803		$ 4,585,841
Residential mortgage loans subject to repurchase	1,219,890	[1]	1,787,314	[1]	$ 1,452,005
Mortgage Servicing Rights and Mortgage Servicing Rights Financing Receivable
Schedule of Mortgage Servicing Rights [Line Items]
Residential mortgage loan UPB and other collateral	$ 539,897,324		$ 548,613,089
Weighted Average Life (Years)	6 years 10 months 24 days		6 years 3 months 18 days
Rithm Capital’s investment	$ 8,889,403		$ 6,858,803
MSRs | Weighted Average
Schedule of Mortgage Servicing Rights [Line Items]
Discount rate	8.30%		7.40%
MSRs | Minimum
Schedule of Mortgage Servicing Rights [Line Items]
Discount rate	7.60%		6.90%
MSRs | Maximum
Schedule of Mortgage Servicing Rights [Line Items]
Discount rate	9.80%		12.50%
Agency | MSRs
Schedule of Mortgage Servicing Rights [Line Items]
Residential mortgage loan UPB and other collateral	$ 364,879,106		$ 374,815,579
Weighted Average Life (Years)	7 years 2 months 12 days		6 years 1 month 6 days
Rithm Capital’s investment	$ 6,022,266		$ 4,443,713
Non-Agency | MSRs
Schedule of Mortgage Servicing Rights [Line Items]
Residential mortgage loan UPB and other collateral	$ 53,881,903		$ 63,851,154
Weighted Average Life (Years)	4 years 10 months 24 days		8 years 3 months 18 days
Rithm Capital’s investment	$ 794,459		$ 943,210
Ginnie Mae | MSRs
Schedule of Mortgage Servicing Rights [Line Items]
Residential mortgage loan UPB and other collateral	$ 121,136,315		$ 109,946,356
Weighted Average Life (Years)	6 years 8 months 12 days		5 years 8 months 12 days
Rithm Capital’s investment	$ 2,072,678		$ 1,471,880

[1] See Note 6 for details.