VARIABLE INTEREST ENTITIES - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	9 Months Ended
	May 31, 2021	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Mar. 31, 2022	Sep. 25, 2020
Variable Interest Entity [Line Items]
Face amount of debt		$ 23,677,829
Long-term debt		24,227,829
Recurring Basis | Mortgage Loans Receivable Securitization
Variable Interest Entity [Line Items]
Fair value, measurement with unobservable inputs reconciliation, recurring basis, asset value		$ 50,600			$ 20,900
2022-RTL1 Securitization | Mortgage Loans Receivable
Variable Interest Entity [Line Items]
Debt instrument, term			36 months
Consumer Loan SPVs
Variable Interest Entity [Line Items]
Ownership interest		53.50%
Securitization Notes Payable | 2022-RTL1 Securitization
Variable Interest Entity [Line Items]
Face amount of debt		$ 433,500
Long-term debt		$ 348,100
VIE, consolidated | Securitization Notes Payable
Variable Interest Entity [Line Items]
Face amount of debt	$ 750,000
Debt instrument, term	3 years
VIE, consolidated | Securitization Notes Payable | Consumer Loan SPVs
Variable Interest Entity [Line Items]
Face amount of debt						$ 663,000
Advance Purchaser | Corporate Joint Venture
Variable Interest Entity [Line Items]
Rithm Capital’s percentage ownership		89.30%	89.30%	89.30%