Quarterly report pursuant to Section 13 or 15(d)

DEBT OBLIGATIONS - Narrative (Details)

v3.7.0.1
DEBT OBLIGATIONS - Narrative (Details)
$ in Thousands
Jun. 30, 2017
USD ($)
agreement
Debt Instrument [Line Items]  
Face amount of debt $ 16,069,475
Repurchase Agreements [Member] | Total Repurchase Agreements [Member]  
Debt Instrument [Line Items]  
Face amount of debt $ 8,263,921
Stockholders' Equity, Total [Member] | Counterpary Concentration Risk [Member] | Repurchase Agreements [Member]  
Debt Instrument [Line Items]  
Number of repurchase agreements, outstanding | agreement 0