SERVICER ADVANCE INVESTMENTS - Summary of Investments in Servicer Advances - Additional Information (Details) - USD ($)		Dec. 31, 2017	Dec. 31, 2016
Investments in and Advances to Affiliates [Line Items]
Outstanding Servicer Advances	[1]	$ 4,027,379,000	$ 5,706,593,000
Face Amount of Notes and Bonds Payable		15,760,970,000
Investments		19,748,888,000	15,780,680,000
Non-Agency Bonds
Investments in and Advances to Affiliates [Line Items]
Face Amount of Notes and Bonds Payable		93,500,000.0
Investments		0
Corporate Joint Venture
Investments in and Advances to Affiliates [Line Items]
Outstanding Servicer Advances		3,581,876,000	5,617,759,000
Corporate Joint Venture | Servicer Advance Investments
Investments in and Advances to Affiliates [Line Items]
UPB of Underlying Mortgages		139,460,371,000	186,362,657,000
Outstanding Servicer Advances		$ 3,581,876,000	$ 5,617,759,000
Servicer Advances to UPB of Underlying Residential Mortgage Loans		2.60%	3.00%
Face Amount of Notes and Bonds Payable		$ 3,461,718,000	$ 5,560,412,000
Gross Loan-to-Value		93.20%	94.50%
Net Loan-to-Value		92.00%	93.40%
Gross Cost of Funds		3.30%	3.20%
Net Cost of Funds		3.00%	2.80%
Gross LTV, including deferred servicing fees		87.40%
Net LTV, including deferred servicing fees		86.30%
Gross LTV, if sold		95.30%
Net LTV, if sold		94.10%
Corporate Joint Venture | Non-Agency Bonds
Investments in and Advances to Affiliates [Line Items]
Investments		$ 80,000,000

[1] New Residential’s 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.