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Valuation and Qualifying Accounts (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Allowance for Doubtful Accounts      
Valuation And Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period $ 1,161 $ 1,193 $ 851
Charged to Costs and Expenses 1,066 1,298 969
Other Activity (12) 33 (8)
Deductions from Reserves (816) (1,363) (619)
Balance at End of Period 1,399 1,161 1,193
Allowance for Deferred Income Tax Assets      
Valuation And Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period 17,197 17,316 9,977
Charged to Costs and Expenses 357   7,830
Other Activity (102) 139 (491)
Deductions from Reserves (1,362) (258)  
Balance at End of Period 16,090 17,197 17,316
Reserve for Inventory      
Valuation And Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period 7,141 6,073 6,270
Charged to Costs and Expenses 2,499 1,768 1,679
Other Activity (134) 214 (56)
Deductions from Reserves (3,492) (914) (1,820)
Balance at End of Period $ 6,014 $ 7,141 $ 6,073