Quarterly report pursuant to Section 13 or 15(d)

INVESTMENTS IN MORTGAGE SERVICING RIGHTS AND MORTGAGE SERVICING RIGHTS FINANCING RECEIVABLES - Schedule of Activity Related to the Carrying Value of Investments in MSRs (Details)

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INVESTMENTS IN MORTGAGE SERVICING RIGHTS AND MORTGAGE SERVICING RIGHTS FINANCING RECEIVABLES - Schedule of Activity Related to the Carrying Value of Investments in MSRs (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Activity related to carrying value of investments in mortgage servicing rights [Roll Forward]        
Beginning Balance     $ 598,728  
Ending Balance $ 1,681,072   1,681,072  
MSRs        
Activity related to carrying value of investments in mortgage servicing rights [Roll Forward]        
Investments made     801,366  
Transfer out     135,288  
Amortization of servicing rights (70,933) $ (68,850) (191,499) $ (159,451)
Change in valuation inputs and assumptions     222,751  
Mortgage Servicing Rights Financing Receivable | MSRs        
Activity related to carrying value of investments in mortgage servicing rights [Roll Forward]        
Ending Balance 1,681,072   1,681,072  
Mortgage Servicing Rights Financing Receivable | New Residential Mortgage LLC | MSRs        
Activity related to carrying value of investments in mortgage servicing rights [Roll Forward]        
Beginning Balance     598,728  
Investments made     138,993  
Transfer out     (135,288)  
New Ocwen Agreements     1,017,993  
Proceeds from sales     (2,982)  
Amortization of servicing rights (49,016) (18,883) (154,559) (20,010)
Change in valuation inputs and assumptions (39,329) $ 89,115 218,187 $ 95,838
Ending Balance $ 1,681,072   $ 1,681,072