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Financial Instruments - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Derivative [Line Items]      
Maximum length of time to hedges exposure to foreign currency exchange risk 12 months    
Foreign Currency Derivatives      
Derivative [Line Items]      
Notional Value $ 8,805,000   $ 13,299,000
Interest Rate Swap      
Derivative [Line Items]      
Hedge Ineffectiveness Incurred $ 0 $ 0