INVESTMENTS IN CONSUMER LOANS - Summary of Equity Method Investments Prior to Consolidation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Schedule of Consumer Loans [Line Items]
New Residential’s equity in net income	$ 25,617	$ 0	$ 0
Bonds and residual interests retained	403,270	$ 165,782	$ 36,967
Consumer Portfolio Segment | LoanCo and WarrantCo
Schedule of Consumer Loans [Line Items]
Interest income	35,912
Interest expense	(8,144)
Change in fair value of consumer loans and warrants	56,324
Gain on sale of consumer loans	26,400
Other expenses	(4,623)
Net income	105,869
New Residential’s equity in net income	$ 25,617
New Residential’s ownership	24.20%
LoanCo
Schedule of Consumer Loans [Line Items]
Bonds and residual interests retained	$ 178,400
LoanCo | Consumer Portfolio Segment
Schedule of Consumer Loans [Line Items]
Unpaid principal of consumer loans	$ 1,700,000