Derivatives and Hedging - Summary of Fair Value of Derivative Instruments by Contract Type and Location of Asset and/or Liability on Consolidated Condensed Balance Sheets (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Other current assets
Derivatives, Fair Value [Line Items]
Foreign currency forward contracts, asset derivatives designated as hedging instruments, fair value	$ 54	$ 168
Foreign currency forward contracts, asset derivatives not designated as hedging instruments, fair value	4,485	11
Accounts payable and accrued expenses
Derivatives, Fair Value [Line Items]
Foreign currency forward contracts, liability derivatives designated as hedging instruments, fair value	39	194
Foreign currency exchange contracts, liability derivatives not designated as hedging instruments, fair value	$ 197	$ 45