ORGANIZATION - Summary of Preliminary Allocation of Total Consideration (Details) - USD ($) $ in Thousands		Jul. 03, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Assets
Cash and cash equivalents	[1]		$ 251,058	$ 295,798
Restricted cash			164,020	150,252
Residential mortgage loans, held-for-sale, at fair value			2,808,529	0
Mortgage servicing rights, at fair value			2,884,100	1,735,504
Residential mortgage loans, held-for-investment, fair value			121,088	0
Residential mortgage loans subject to repurchase			121,602	0	$ 0
Intangible assets			18,708	0
Other assets			688,408	312,181
Total assets			31,691,013	22,213,562
Liabilities
Repurchase agreements			15,553,969	8,662,139
Notes and bonds payable	[1]		7,102,266	7,084,391
Residential mortgage loans repurchase liability			121,602	0
Excess spread financing, at fair value			39,304	0
Accrued expenses and other liabilities	[1]		490,510	239,114
Total liabilities			25,602,718	17,417,400
Noncontrolling interests in equity of consolidated subsidiaries			90,625	105,957
Goodwill			$ 24,645	$ 0
Shellpoint Acquisition
Business Acquisition [Line Items]
Total consideration		$ 425,500
Assets
Cash and cash equivalents		79,200
Restricted cash		9,900
Residential mortgage loans, held-for-sale, at fair value		488,200
Mortgage servicing rights, at fair value		286,600
Residential mortgage loans, held-for-investment, fair value		125,300
Residential mortgage loans subject to repurchase		121,400
Intangible assets		18,400
Other assets		81,500
Total assets		1,210,500
Liabilities
Repurchase agreements		439,600
Notes and bonds payable		20,700
Mortgage-backed securities issued, at fair value		120,700
Residential mortgage loans repurchase liability		121,400
Excess spread financing, at fair value		48,300
Accrued expenses and other liabilities		50,600
Total liabilities		801,300
Noncontrolling interests in equity of consolidated subsidiaries		8,300
Net Assets		400,900
Goodwill		24,600
Ginnie Mae Excess MSRs | Shellpoint Acquisition
Assets
Mortgage servicing rights, at fair value		$ 135,300
Internally developed software | Shellpoint Acquisition
Liabilities
Finite-lived intangible assets, useful life		5 years
Tradenames | Shellpoint Acquisition
Liabilities
Finite-lived intangible assets, useful life		6 months

[1] New Residential’s Consolidated Balance Sheets include the assets and liabilities of certain consolidated VIEs, Advance Purchaser LLC (the “Buyer”) (Note 6), the RPL Borrowers, Shellpoint Asset Funding Trust 2013-1 (“SAFT 2013-1”) and the Shelter retail mortgage origination joint ventures (“Shelter JVs”) (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, SAFT 2013-1, Shelter JVs and the Consumer Loan SPVs are included in Notes 6, 8 and 9, respectively. The creditors of the Buyer, the RPL Borrowers, SAFT 2013-1, Shelter JVs 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, SAFT 2013-1, Shelter JVs and the Consumer Loan SPVs are not directly available to satisfy New Residential’s obligations. See Note 8 regarding deconsolidation of the RPL Borrowers during 2018.