INVESTMENTS IN CONSUMER LOANS - Narrative (Details) $ / shares in Units, shares in Millions		1 Months Ended
	Aug. 31, 2018 shares	Feb. 28, 2017 USD ($) investor $ / shares shares	Sep. 30, 2018
WarrantCo | Consumer Portfolio Segment
Schedule of Equity Method Investments [Line Items]
Number of warrants to be purchased (in shares)		177.7
Value of warrants to be purchased | $		$ 75,000,000
Exercise price (in dollars per share) | $ / shares		$ 0.01
Consumer Loan Companies
Schedule of Equity Method Investments [Line Items]
New Residential’s ownership			53.50%
LoanCo | Consumer Portfolio Segment
Schedule of Equity Method Investments [Line Items]
New Residential’s ownership		25.00%
Total purchase agreement amount | $		$ 5,000,000,000.0
Term of purchase contract (in years)		2 years
Number of co-investors | investor		3
Recording lag (in months)		1 month
WarrantCo | Consumer Portfolio Segment
Schedule of Equity Method Investments [Line Items]
New Residential’s ownership		23.57%
Number of co-investors | investor		3
Consumer Loan Seller | WarrantCo | Consumer Portfolio Segment
Schedule of Equity Method Investments [Line Items]
Number of warrants owned (in shares)	96.3
Consumer Loan Seller | New Residential and Co Investors | Consumer Portfolio Segment | Series F Convertible Preferred Stock
Schedule of Equity Method Investments [Line Items]
Number of securities called by warrants or rights	30.0