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Inventories - Schedule of Inventories (Detail) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Raw materials $ 9,589 $ 8,442
Work-in-process 15,096 12,149
Finished products 15,149 29,142
Field/consignment 43,140 34,902
Inventories $ 82,974 $ 84,635