INVESTMENTS IN CONSUMER LOANS - Narrative (Details) - USD ($) $ in Thousands			1 Months Ended	3 Months Ended									9 Months Ended	12 Months Ended
	Mar. 31, 2016	Oct. 03, 2014	Aug. 31, 2016	Dec. 31, 2016		Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Oct. 31, 2016	Apr. 01, 2016	Mar. 30, 2016	Apr. 30, 2013
Schedule of Consumer Loans [Line Items]
Refinanced outstanding asset-backed notes		$ 2,600,000
Proceeds from refinancing asset backed notes		337,800
Basis in consumer loans investment		0
Gain on consumer loans investment		$ 80,100												$ 9,943	$ 43,954	$ 92,020
Interest income				$ 326,834	[1]	$ 282,388	$ 277,477	$ 190,036	$ 200,181	$ 182,341	$ 178,177	$ 84,373		1,076,735	645,072	346,857
Income before income taxes				262,781	[1]	$ 151,986	$ 101,145	$ 105,715	$ 83,104	$ 55,823	$ 93,583	$ 38,371		621,627	270,881	465,056
Payments to acquire loans held-for-investment														191,081	290,652	884,557
Performing Loans [Member]
Schedule of Consumer Loans [Line Items]
Payments to acquire loans held-for-investment			$ 140,000											176,200
UPB of Underlying Mortgages				$ 177,400									$ 177,400	177,400			$ 50,000
Consumer Loans [Member] | Operating Segments [Member]
Schedule of Consumer Loans [Line Items]
Interest income													226,000	232,750	1	0
Income before income taxes													$ 82,000	161,529	$ 42,112	$ 140,759
SpringCastle [Member] | Parent Company [Member]
Schedule of Consumer Loans [Line Items]
Ownership percentage by parent																		53.50%
Consumer Loan Companies [Member]
Schedule of Consumer Loans [Line Items]
Total Consideration	$ 237,500
Acquisition related costs incurred														$ 1,500
Consumer Loan Companies [Member] | Parent Company [Member]
Schedule of Consumer Loans [Line Items]
Total Consideration	$ 237,500
Consideration transferred, percent of net assets used in gross purchase price	100.00%
Blackstone SpringCastle Buyers [Member] | SpringCastle [Member]
Schedule of Consumer Loans [Line Items]
Ownership percentage by noncontrolling owners																		46.50%
Voting interests acquired as a percentage of Gross Voting Interests Available for Sale	50.00%							50.00%
Consumer Loan Companies [Member]
Schedule of Consumer Loans [Line Items]
Percentage or portfolio financed by other parties																				73.00%
OneMain - SpringCastle Sellers [Member] | SpringCastle [Member] | SpringCastle Buyers [Member]
Schedule of Consumer Loans [Line Items]
Ownership percentage by noncontrolling owners	47.00%							47.00%
Total Consideration	$ 111,600
Cash consideration	100,500
Other payments to acquire businesses	$ 11,200
Term for payment to escrow account (in days)	120 days
Term for funds held in escrow (in years)	5 years
OneMain - SpringCastle Sellers [Member] | SpringCastle [Member] | NRZ SpringCastle Buyers [Member]
Schedule of Consumer Loans [Line Items]
Percentage acquired	23.50%							23.50%
Voting interests acquired as a percentage of Gross Voting Interests Available for Sale	50.00%							50.00%
Percentage of total consideration paid	50.00%							50.00%
Blackstone Tactical Opportunities Advisors LLC [Member]
Schedule of Consumer Loans [Line Items]
Percentage of portfolio co-invested by other parties																				23.00%
OneMain [Member]
Schedule of Consumer Loans [Line Items]
Percentage of portfolio co-invested by other parties																				47.00%
Consumer Loan Companies [Member]
Schedule of Consumer Loans [Line Items]
New Residential’s ownership				30.00%					30.00%				30.00%	30.00%	30.00%	30.00%				30.00%
Percentage of portfolio co-invested by other parties																				70.00%
Ownership percentage by noncontrolling owners				46.50%									46.50%	46.50%
Consumer Loan Companies [Member] | SpringCastle [Member]
Schedule of Consumer Loans [Line Items]
Ownership percentage by noncontrolling owners																			30.00%
Excess mortgage servicing rights, equity method investees, at fair value																			$ 71,300

[1] New Residential completed significant transactions in the fourth quarter of 2016, as described in Notes 5, 8 and 9, as well as certain financings included in Note 11.