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Derivative Instruments and Hedging Activities - Schedule of Fair Values of Hedging Instruments Recorded in Consolidated Balance Sheet (Detail) - Significant Other Observable Inputs (Level 2) [Member] - Foreign Exchange Contracts [Member] - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016
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Derivatives Not Designated as Hedging Instruments (Level 2): |  |
Total derivatives, liabilities fair value | $ (402) |
Total derivatives, assets fair value |  | $ 159
Other Receivables [Member] |  |
Derivatives Not Designated as Hedging Instruments (Level 2): |  |
Derivatives asset, fair value |  | $ 159
Accounts Payable [Member] |  |
Derivatives Not Designated as Hedging Instruments (Level 2): |  |
Derivatives liabilities, fair value | $ (402) |

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