Quarterly report pursuant to Section 13 or 15(d)

INVESTMENTS IN EXCESS MORTGAGE SERVICING RIGHTS - Summary of Excess MSRs Made Through Equity Method Investees (Details)

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INVESTMENTS IN EXCESS MORTGAGE SERVICING RIGHTS - Summary of Excess MSRs Made Through Equity Method Investees (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Schedule of Investments in Mortgage Servicing Rights [Line Items]    
Unpaid Principal Balance $ 74,500,000  
Weighted Average Life (Years) 24 days  
Excess MSRs Investees    
Schedule of Investments in Mortgage Servicing Rights [Line Items]    
New Residential Interest in Investees 50.00% 50.00%
Excess MSRs Investees | Agency    
Schedule of Investments in Mortgage Servicing Rights [Line Items]    
New Residential Interest in Investees 50.00%  
Excess MSRs Investees | Agency | Agency    
Schedule of Investments in Mortgage Servicing Rights [Line Items]    
Unpaid Principal Balance $ 38,336,238  
Investee Interest in Excess MSR 66.70%  
New Residential Interest in Investees 50.00%  
Amortized Cost Basis $ 177,772  
Carrying Value $ 236,263  
Weighted Average Life (Years) 5 years 4 months 24 days