VARIABLE INTEREST ENTITIES - Variable Interest Entities, Characteristics (Details) - SAFT 2013-1 Securitization Entity - VIE, consolidated - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Variable Interest Entity [Line Items]
Residential mortgage loan UPB and other collateral	$ 11,741,509	$ 12,950,052
Weighted average delinquency	3.99%	7.93%
Net credit losses	$ 133,727	$ 96,172
Face amount of debt held by third parties	10,831,148	11,850,796
Carrying value of bonds retained by New Residential	956,977	1,121,761
Cash flows received by New Residential on these bonds	$ 64,085	$ 288,481
Number of days delinquent (in days)	60 days