XML 63 R53.htm IDEA: XBRL DOCUMENT v3.5.0.2
Borrowings Under Repurchase Agreements - Summary of Outstanding Balances, Maximum and Average Balances of Borrowings (Detail) - Line of Credit [Member]
$ in Thousands
 6 Months Ended
Jun. 30, 2016
USD ($)
Line of Credit Facility [Line Items]  
Balance at June 30, 2016 $ 1,226,095
JP Morgan Chase [Member]  
Line of Credit Facility [Line Items]  
Balance at June 30, 2016 774,522
Maximum Month-End Balance 774,522
Average Month-End Balance 627,334
Goldman Sachs [Member]  
Line of Credit Facility [Line Items]  
Balance at June 30, 2016 43,333
Maximum Month-End Balance 45,928
Average Month-End Balance 44,665
UBS [Member]  
Line of Credit Facility [Line Items]  
Balance at June 30, 2016 133,899
Maximum Month-End Balance 133,899
Average Month-End Balance 133,899
DB Facility [Member]  
Line of Credit Facility [Line Items]  
Balance at June 30, 2016 274,341
Maximum Month-End Balance 300,005
Average Month-End Balance $ 284,054