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Accrued Liabilities - Composition of Accrued Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Payables And Accruals [Abstract]    
Accrued payroll and benefits $ 79,070 $ 57,894
Accrued customer rebates 23,628 25,148
Other accrued liabilities 39,249 38,225
Total accrued liabilities $ 141,947 $ 121,267