SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Other Assets and Other Liabilities (Details) - USD ($) $ in Thousands		Dec. 31, 2018	Dec. 31, 2017
Other Assets
Margin receivable, net(A)		$ 145,857	$ 53,150
Other receivables		23,723	10,635
Principal and interest receivable		76,015	48,373
Receivable from government agency		20,795	41,429
Call rights		290	327
Derivative assets		10,893	2,423
Servicing fee receivables		105,563	60,520
Ginnie Mae EBO servicer advances receivable, net		2,750	8,916
Due from servicers		95,261	38,601
Goodwill		24,645	0
Intangible assets		18,708	0
Ocwen common stock, at fair value		7,778	19,259
Prepaid expenses		29,165	7,308
Equity investment		74,323	0
Other assets		52,642	21,240
Total Other Assets		688,408	312,181
Accrued Expenses and Other Liabilities
Interest payable		49,352	28,821
Accounts payable		75,591	73,017
Derivative liabilities		29,389	697
Due to servicers		95,419	24,571
MSRs purchase price holdback		100,593	101,290
Excess spread financing, at fair value		39,304	0
Contingent Consideration		40,842	0
Reserve for sales recourse		5,880	0
Other liabilities		54,140	10,718
Accrued Expenses and Other Liabilities	[1]	$ 490,510	$ 239,114

[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.