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Derivatives - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Foreign Currency Forward Contracts | Cash Flow Hedge    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Maximum length of time hedged in cash flow hedge 12 months  
Pre-tax gain to be reclassified into earnings within the next 12 months $ 34,000  
Foreign Exchange Forward And Option Contracts [Member] | Not Designated as Hedging Instrument, Economic Hedge [Member]    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Notional value of derivatives $ 4,600,000  
Contract expiring terms 2021-04  
(Loss) gain from foreign currency forward and option contracts not designated as hedging instruments $ 27,000 $ 829,000