Quarterly report pursuant to Section 13 or 15(d)

INVESTMENTS IN MORTGAGE SERVICING RIGHTS AND MORTGAGE SERVICING RIGHTS FINANCING RECEIVABLE - Schedule of Investment in MSRs (Details)

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INVESTMENTS IN MORTGAGE SERVICING RIGHTS AND MORTGAGE SERVICING RIGHTS FINANCING RECEIVABLE - Schedule of Investment in MSRs (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2017
Dec. 31, 2016
Dec. 28, 2016
Servicing Asset at Amortized Cost [Line Items]        
Weighted Average Life (Years)   1 year 3 months 18 days    
Carrying Value $ 1,749,343 $ 1,749,343 $ 659,483  
Mortgage Servicing Rights [Member]        
Servicing Asset at Amortized Cost [Line Items]        
UPB of Underlying Mortgages 180,954,998 $ 180,954,998    
Weighted Average Life (Years)   6 years 10 months 24 days    
Amortized Cost Basis 1,556,681 $ 1,556,681    
Carrying Value $ 1,749,343 1,749,343    
Discount rate 10.50%      
Mortgage Servicing Rights [Member]        
Servicing Asset at Amortized Cost [Line Items]        
Carrying Value $ 1,749,343 1,749,343 $ 659,483  
Mortgage Servicing Rights [Member] | PHH Mortgage Corporation [Member] | New Residential Mortgage LLC [Member]        
Servicing Asset at Amortized Cost [Line Items]        
UPB of Underlying Mortgages 13,200,000 13,200,000   $ 61,100,000
Agency [Member] | Mortgage Servicing Rights [Member]        
Servicing Asset at Amortized Cost [Line Items]        
UPB of Underlying Mortgages 180,887,054 $ 180,887,054    
Weighted Average Life (Years)   6 years 10 months 24 days    
Amortized Cost Basis 1,556,681 $ 1,556,681    
Carrying Value 1,749,343 1,749,343    
Agency [Member] | Mortgage Servicing Rights [Member] | PHH Mortgage Corporation [Member] | New Residential Mortgage LLC [Member]        
Servicing Asset at Amortized Cost [Line Items]        
UPB of Underlying Mortgages 13,070,096 $ 13,070,096    
Weighted Average Life (Years)   6 years 3 months 18 days    
Amortized Cost Basis 111,760 $ 111,760    
Carrying Value 118,483 118,483    
Non-Agency [Member] | Mortgage Servicing Rights [Member]        
Servicing Asset at Amortized Cost [Line Items]        
UPB of Underlying Mortgages 67,944 $ 67,944    
Weighted Average Life (Years)   7 years    
Amortized Cost Basis 0 $ 0    
Carrying Value $ 0 $ 0