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Fair Value Measurements - Summary of Foreign Currency Forward Contract (Detail) - Foreign Exchange Contract [Member] - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Derivatives Fair Value [Line Items]    
Notional value $ 58,463 $ 45,716
Fair value of notional 52,945 45,362
Fair value of the asset 5,518 354
Other Assets [Member]    
Derivatives Fair Value [Line Items]    
Fair value of the asset $ 5,518 $ 354