VARIABLE INTEREST ENTITIES - Variable Interest Entities, Characteristics (Details) - SAFT 2013-1 Securitization Entity - VIE, consolidated - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Variable Interest Entity [Line Items]
UPB of Underlying Mortgages	$ 12,950,052	$ 14,932,876
Weighted average delinquency	7.93%	2.45%
Net credit losses	$ 96,172	$ 13,898
Face amount of debt held by third parties	11,850,796	12,907,495
Carrying value of bonds retained by New Residential	1,121,761	1,814,333
Cash flows received by New Residential on these bonds	$ 288,481	$ 79,250
Number of days delinquent (in days)	60 days