INVESTMENTS IN CONSUMER LOANS - Consumer Loan Investments made through Equity Method Investees (Details) - USD ($) $ in Thousands		9 Months Ended	12 Months Ended
		Sep. 30, 2017	Dec. 31, 2016	Apr. 01, 2016
Schedule of Equity Method Investments [Line Items]
Carrying Value	[1]	$ 1,467,933	$ 1,799,486
Weighted Average Life (Years)		1 year 3 months 1 day
Performing Loans
Schedule of Equity Method Investments [Line Items]
Unpaid Principal Balance			177,400
New Residential Investment Corp. | SpringCastle
Schedule of Equity Method Investments [Line Items]
Interest in Consumer Loans				53.50%
Consumer Portfolio Segment
Schedule of Equity Method Investments [Line Items]
Unpaid Principal Balance		$ 9,500
Consumer Portfolio Segment | New Residential Investment Corp. | SpringCastle | Performing Loans
Schedule of Equity Method Investments [Line Items]
Unpaid Principal Balance		$ 1,064,345	$ 1,275,121
Interest in Consumer Loans		53.50%	53.50%
Carrying Value		$ 1,111,493	$ 1,321,825
Weighted Average Coupon		18.70%	18.70%
Weighted Average Life (Years)		3 years 9 months 25 days	4 years 2 months 12 days
Weighted Average Delinquency		5.70%	6.30%
Consumer Portfolio Segment | New Residential Investment Corp. | SpringCastle | Purchased Credit Deteriorated Loans
Schedule of Equity Method Investments [Line Items]
Unpaid Principal Balance		$ 302,093	$ 371,261
Interest in Consumer Loans		53.50%	53.50%
Carrying Value		$ 254,005	$ 316,532
Weighted Average Coupon		16.30%	16.60%
Weighted Average Life (Years)		3 years 4 months 30 days	3 years 7 months 6 days
Weighted Average Delinquency		12.40%	14.00%
Consumer Portfolio Segment | New Residential Investment Corp. | Prosper | Other - Performing Loans
Schedule of Equity Method Investments [Line Items]
Unpaid Principal Balance		$ 106,535	$ 163,570
Interest in Consumer Loans		100.00%	100.00%
Carrying Value		$ 102,435	$ 161,129
Weighted Average Coupon		14.20%	14.20%
Weighted Average Life (Years)		1 year 30 days	1 year 6 months
Weighted Average Delinquency		3.40%	0.30%
Consumer Portfolio Segment | New Residential Investment Corp. | SpringCastle and Prosper
Schedule of Equity Method Investments [Line Items]
Unpaid Principal Balance		$ 1,472,973	$ 1,809,952
Carrying Value		$ 1,467,933	$ 1,799,486
Weighted Average Coupon		17.90%	17.90%
Weighted Average Life (Years)		3 years 6 months 14 days	3 years 9 months 18 days
Weighted Average Delinquency		6.90%	7.30%

[1] New Residential’s Condensed Consolidated Balance Sheets include the assets and liabilities of certain consolidated VIEs, the Buyer (Note 6), the RPL Borrowers (Note 8), and the Consumer Loan SPVs (Note 9), which primarily hold investments in Servicer Advance Investments, residential mortgage loans, and consumer loans, respectively, financed with notes and bonds payable. The balance sheets of the Buyer, the RPL Borrowers and the Consumer Loan SPVs are included in Notes 6, 8 and 9, respectively. The creditors of the Buyer, the RPL Borrowers, and the Consumer Loan SPVs do not have recourse to the general credit of New Residential and the assets of the Buyer, the RPL Borrowers, and the Consumer Loan SPVs are not directly available to satisfy New Residential’s obligations.