VARIABLE INTEREST ENTITIES - Variable Interest Entities, Characteristics (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Variable Interest Entity [Line Items]
Number of days delinquent (in days)	30 days
SAFT 2013-1 Securitization Entity | VIE, consolidated
Variable Interest Entity [Line Items]
UPB of Underlying Mortgages	$ 10,752,079	$ 14,211,351
Weighted average delinquency	4.45%	10.06%
Net credit losses	$ 130,392	$ 76,725
Face amount of debt held by third parties	9,897,879	12,671,168
Carrying value of bonds retained by New Residential	927,490	1,361,624
Cash flows received by New Residential on these bonds	$ 330,197	$ 315,939
Number of days delinquent (in days)	60 days