Derivative Financial Instruments - Fair Value Amounts of Derivative Instruments Reported in Consolidated Balance Sheets (Detail) - Derivatives Not Designated as Hedge Instrument [Member] - Foreign Exchange Forward - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Derivatives Fair Value [Line Items]
Asset Derivatives	$ 66
Accrued Expense [Member]
Derivatives Fair Value [Line Items]
Liabilities Derivatives		$ 267