Quarterly report pursuant to Section 13 or 15(d)

INVESTMENTS IN MORTGAGE SERVICING RIGHTS AND MORTGAGE SERVICING RIGHTS FINANCING RECEIVABLES - Narrative (Details)

v3.10.0.1
INVESTMENTS IN MORTGAGE SERVICING RIGHTS AND MORTGAGE SERVICING RIGHTS FINANCING RECEIVABLES - Narrative (Details) - USD ($)
$ in Millions
6 Months Ended
Jul. 03, 2018
Jun. 04, 2018
May 31, 2018
May 25, 2018
Mar. 28, 2018
Feb. 28, 2018
Jan. 18, 2018
Jan. 16, 2018
Nov. 29, 2017
Jul. 23, 2017
Jun. 30, 2018
Jan. 01, 2018
Schedule of MSRs [Line Items]                        
Initial contract term (in years)                   5 years    
Contract extension term with thirty day notice (in months)                   3 months    
Ocwen                        
Schedule of MSRs [Line Items]                        
UPB of Underlying Mortgages                       $ 86,800.0
Payments to acquire MSRs             $ 279.6          
Ocwen                        
Schedule of MSRs [Line Items]                        
Subservicer percent of UPB                     27.00%  
Ocwen | New Residential Mortgage LLC | MSRs                        
Schedule of MSRs [Line Items]                        
Payments to acquire MSRs                     $ 334.2  
UPB of underlying loans, transferred                     $ 15,500.0  
Nationstar                        
Schedule of MSRs [Line Items]                        
Subservicer percent of UPB                     26.00%  
Ditech Financial LLC                        
Schedule of MSRs [Line Items]                        
Subservicer percent of UPB                     22.40%  
Ditech Financial LLC | New Residential Mortgage LLC                        
Schedule of MSRs [Line Items]                        
Payments to acquire MSRs               $ 101.5     $ 18.2  
Ditech Financial LLC | New Residential Mortgage LLC | MSRs                        
Schedule of MSRs [Line Items]                        
UPB of Underlying Mortgages               $ 11,500.0     $ 2,000.0  
PHH Mortgage Corporation                        
Schedule of MSRs [Line Items]                        
Subservicer percent of UPB                     13.00%  
PHH Mortgage Corporation | New Residential Mortgage LLC | MSRs                        
Schedule of MSRs [Line Items]                        
UPB of underlying mortgages, amount unsettled                     $ 5,300.0  
PHH Mortgage Corporation | New Residential Mortgage LLC | Seasoned Agency Loans                        
Schedule of MSRs [Line Items]                        
Payments to acquire MSRs, amount unsettled                     $ 31.4  
ShellPoint                        
Schedule of MSRs [Line Items]                        
Subservicer percent of UPB                     10.90%  
ShellPoint | NRM Acquisition LLC | Subsequent Event                        
Schedule of MSRs [Line Items]                        
Payments to acquire businesses, gross $ 212.0                      
ShellPoint | NRM Acquisition LLC | MSRs                        
Schedule of MSRs [Line Items]                        
UPB of Underlying Mortgages                 $ 7,800.0      
Payments to acquire MSRs                 $ 81.0      
Flagstar                        
Schedule of MSRs [Line Items]                        
Subservicer percent of UPB                     0.70%  
Other Seller 1 | MSRs                        
Schedule of MSRs [Line Items]                        
UPB of Underlying Mortgages           $ 3,300.0            
Payments to acquire MSRs           $ 33.5            
Other Seller 2 | MSRs                        
Schedule of MSRs [Line Items]                        
UPB of Underlying Mortgages         $ 7,900.0              
Payments to acquire MSRs         $ 95.2              
Other Seller 3 | MSRs                        
Schedule of MSRs [Line Items]                        
UPB of Underlying Mortgages       $ 2,100.0                
Payments to acquire MSRs       $ 26.3                
Other Seller 4 | MSRs                        
Schedule of MSRs [Line Items]                        
UPB of Underlying Mortgages     $ 4,700.0                  
Payments to acquire MSRs     $ 61.7                  
Other Seller 5 | MSRs                        
Schedule of MSRs [Line Items]                        
UPB of Underlying Mortgages   $ 2,100.0                    
Payments to acquire MSRs   $ 19.3                    
New Penn | MSRs                        
Schedule of MSRs [Line Items]                        
UPB of Underlying Mortgages                     $ 11,400.0  
Payments to acquire MSRs                     $ 139.1