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Inventories - Schedule of Inventories (Detail) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Inventory, Net [Abstract]    
Raw materials $ 28,306 $ 15,425
Work in process 2,653 2,572
Finished goods 22,624 13,866
Inventories $ 53,583 $ 31,863