Derivative Financial Instruments - Fair Value Amounts of Derivative Instruments Reported in Condensed Consolidated Balance Sheets (Detail) - Derivatives Not Designated as Hedge Instrument [Member] - Foreign Exchange Forward [Member] - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Prepaid Expenses and Other Current Assets [Member]
Derivatives Fair Value [Line Items]
Asset Derivatives	$ 139
Accrued Expense [Member]
Derivatives Fair Value [Line Items]
Liabilities Derivatives		$ 99