SERVICER ADVANCE INVESTMENTS - Summary of Investments in Servicer Advances - Additional Information (Details) - USD ($) $ in Thousands		Dec. 31, 2018	Dec. 31, 2017
Investments in and Advances to Affiliates [Line Items]
UPB of Underlying Mortgages		$ 103,000,000
Outstanding Servicer Advances	[1]	735,846	$ 4,027,379
Face Amount of Notes and Bonds Payable		22,673,065
Corporate Joint Venture
Investments in and Advances to Affiliates [Line Items]
Outstanding Servicer Advances		620,050	3,581,876
Corporate Joint Venture | Servicer Advance Investments
Investments in and Advances to Affiliates [Line Items]
UPB of Underlying Mortgages		40,096,998	139,460,371
Outstanding Servicer Advances		$ 620,050	$ 3,581,876
Servicer Advances to UPB of Underlying Residential Mortgage Loans		1.50%	2.60%
Face Amount of Notes and Bonds Payable		$ 574,117	$ 3,461,718
Gross Loan-to-Value		88.30%	93.20%
Net Loan-to-Value		87.20%	92.00%
Gross Cost of Funds		3.70%	3.30%
Net Cost of Funds		3.10%	3.00%

[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.