Derivatives and Hedging Activities - Additional Information (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Derivatives designated as cash flow hedging instruments | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Gain (loss) recognized in income, net | $ 161 | $ 104 | $ (382) |