Quarterly report pursuant to Section 13 or 15(d)

DEBT OBLIGATIONS - Borrowing Capacity (Details)

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DEBT OBLIGATIONS - Borrowing Capacity (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2018
USD ($)
Debt Instrument [Line Items]  
Face amount of debt $ 21,663,262
Non-Agency Bonds  
Debt Instrument [Line Items]  
Face amount of debt 86,300
Residential Mortgage Loans and REO  
Debt Instrument [Line Items]  
Borrowing Capacity 5,197,961
Balance Outstanding 2,796,418
Available Financing 2,401,543
Excess MSRs  
Debt Instrument [Line Items]  
Borrowing Capacity 150,000
Balance Outstanding 100,000
Available Financing 50,000
MSRs  
Debt Instrument [Line Items]  
Borrowing Capacity 990,000
Balance Outstanding 612,899
Available Financing 377,101
Servicer Advances  
Debt Instrument [Line Items]  
Borrowing Capacity 1,710,000
Balance Outstanding 1,377,259
Available Financing $ 332,741
Unused borrowing capacity fee 0.05908%
Consumer Loan  
Debt Instrument [Line Items]  
Borrowing Capacity $ 150,000
Balance Outstanding 30,607
Available Financing 119,393
Debt Excess Borrowing Capacity  
Debt Instrument [Line Items]  
Borrowing Capacity 8,197,961
Balance Outstanding 4,917,183
Available Financing $ 3,280,778