XML 29 R61.htm IDEA: XBRL DOCUMENT v3.3.0.814
Derivative Instruments - Summary of Derivatives (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Derivative Instruments, Gain (Loss) [Line Items]        
Unrealized gains (loss) on derivative instruments     $ (4,151) $ 1,933
Total $ 2,096 $ 3,026 (4,144) 1,933
Foreign Currency Contract [Member] | Gain (Loss) on Derivative Instruments [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Unrealized gains (loss) on derivative instruments 2,240 3,026 (3,938) 1,933
Interest Rate Cap [Member] | Gain (Loss) on Derivative Instruments [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Unrealized gains (loss) on derivative instruments $ (144) $ 0 $ (206) $ 0