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Inventories - Summary of Inventories (Detail) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Raw materials $ 46,912 $ 42,556
Work-in-process 11,207 7,424
Finished goods 5,290 7,289
Net balance $ 63,409 $ 57,269