INVESTMENTS IN RESIDENTIAL MORTGAGE LOANS - Variable Interest Entities, Characteristics (Details) - VIE, Not Primary Beneficiary $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($)
Variable Interest Entity [Line Items]
UPB of Underlying Mortgages	$ 5,031,191
Weighted average delinquency	2.38%
Net credit losses for the year ended December 31, 2017	$ 6,163
Face amount of debt held by third parties	5,025,028
Carrying value of bonds retained by New Residential	467,072
Cash flows received by New Residential on these bonds for the year ended December 31, 2017	$ 93,698
Number of days delinquent	60 days