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Inventories - Summary of Inventories (Detail) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Raw materials $ 23,605 $ 22,589
Work in process 22,626 20,758
Finished goods 21,300 19,170
Inventories $ 67,531 $ 62,517