Annual report pursuant to Section 13 and 15(d)

INVESTMENTS IN MORTGAGE SERVICING RIGHTS AND MSR FINANCING RECEIVABLES - Rollforward of Carrying Value of Investments In MSRs (Details)

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INVESTMENTS IN MORTGAGE SERVICING RIGHTS AND MSR FINANCING RECEIVABLES - Rollforward of Carrying Value of Investments In MSRs (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Mortgage Servicing Rights [Roll Forward]      
Beginning balance $ 4,528,604 $ 2,334,232  
Purchases 1,425,201 1,171,290  
Transfer in (out) 0 0  
New Ocwen Agreements   1,017,993  
Other transfers (410)    
Originations 374,450 35,311  
Prepayments (93,875)    
Proceeds from sales (24,528) (13,248)  
Amortization of servicing rights (740,843) (455,771)  
Change in valuation inputs and assumptions (166,436) 291,185  
(Gain)/loss on sales (3,100) (3,700)  
Ending balance 5,686,233 4,528,604 $ 2,334,232
Shellpoint Acquisition      
Mortgage Servicing Rights [Roll Forward]      
Ditech Acquisition   151,312  
Ditech Acquisition      
Mortgage Servicing Rights [Roll Forward]      
Ditech Acquisition 387,170    
MSRs      
Mortgage Servicing Rights [Roll Forward]      
Beginning balance 2,884,100 1,735,504  
Purchases 690,049 1,042,933  
Transfer in (out) 367,121 124,652  
New Ocwen Agreements   0  
Other transfers (410)    
Originations 374,450 35,311  
Prepayments (11,625)    
Proceeds from sales (1,539) (5,776) 0
Amortization of servicing rights (537,111) (258,068)  
Change in valuation inputs and assumptions (187,530) 61,149  
(Gain)/loss on sales 3,285 (2,917)  
Ending balance 3,967,960 2,884,100 1,735,504
MSRs | Shellpoint Acquisition      
Mortgage Servicing Rights [Roll Forward]      
Ditech Acquisition   151,312  
MSRs | Ditech Acquisition      
Mortgage Servicing Rights [Roll Forward]      
Ditech Acquisition 387,170    
Mortgage Servicing Rights Financing Receivable      
Mortgage Servicing Rights [Roll Forward]      
Beginning balance 4,528,604    
Ending balance 5,686,233 4,528,604  
New Residential Mortgage LLC | Mortgage Servicing Rights Financing Receivable      
Mortgage Servicing Rights [Roll Forward]      
Beginning balance 1,644,504 598,728  
Purchases 735,152 128,357  
Transfer in (out) (367,121) (124,652)  
New Ocwen Agreements   1,017,993  
Other transfers 0    
Originations 0 0  
Prepayments (82,250)    
Proceeds from sales (22,989) (7,472)  
Amortization of servicing rights (203,732) (197,703)  
Change in valuation inputs and assumptions 21,094 230,036 109,584
(Gain)/loss on sales (6,385) (783) 0
Ending balance 1,718,273 1,644,504 $ 598,728
New Residential Mortgage LLC | Mortgage Servicing Rights Financing Receivable | Shellpoint Acquisition      
Mortgage Servicing Rights [Roll Forward]      
Ditech Acquisition   0  
New Residential Mortgage LLC | Mortgage Servicing Rights Financing Receivable | Ditech Acquisition      
Mortgage Servicing Rights [Roll Forward]      
Ditech Acquisition $ 0    
New Penn | MSRs      
Mortgage Servicing Rights [Roll Forward]      
Ditech Acquisition   $ 48,300