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Fair Value of Financial Assets and Liabilities - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Foreign currency forward contracts Maturity Period | 90 days |
Foreign currency transaction gains (losses) | $ 400 | $ (200)
Supplemental profit sharing plan | 7,143 | 6,059
Contingent liabilities | 0 | 581
Other Noncurrent Liabilities [Member] |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Contingent liabilities | 0 | 600
Profit Sharing Plan [Member] |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Supplemental profit sharing plan | $ 7,100 | $ 6,100

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