Quarterly report pursuant to Section 13 or 15(d)

DEBT OBLIGATIONS - Schedule of Borrowing Capacity (Details)

v3.7.0.1
DEBT OBLIGATIONS - Schedule of Borrowing Capacity (Details)
6 Months Ended
Jun. 30, 2017
USD ($)
Debt Instrument [Line Items]  
Face amount of debt $ 16,069,475,000
Non-Agency Bonds [Member]  
Debt Instrument [Line Items]  
Face amount of debt 93,500,000.0
Residential Mortgage Loans and REO [Member]  
Debt Instrument [Line Items]  
Borrowing Capacity 2,340,000,000
Balance Outstanding 1,316,817,000
Available Financing 1,023,183,000
Excess MSRs [Member]  
Debt Instrument [Line Items]  
Borrowing Capacity 525,000,000
Balance Outstanding 483,332,000
Available Financing 41,668,000
Full MSRs [Member]  
Debt Instrument [Line Items]  
Borrowing Capacity 700,000,000
Balance Outstanding 424,027,000
Available Financing 275,973,000
Servicer Advances [Member]  
Debt Instrument [Line Items]  
Borrowing Capacity 2,867,161,000
Balance Outstanding 1,921,827,000
Available Financing $ 945,334,000
Unused borrowing capacity fee 0.10%
Consumer Loan [Member]  
Debt Instrument [Line Items]  
Borrowing Capacity $ 150,000,000
Balance Outstanding 96,368,000
Available Financing 53,632,000
Debt Excess Borrowing Capacity [Member]  
Debt Instrument [Line Items]  
Borrowing Capacity 6,582,161,000
Balance Outstanding 4,242,371,000
Available Financing $ 2,339,790,000