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Inventories - Summary of Inventories (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 44,245 $ 49,571
Work in process 40,344 42,886
Finished goods 83,881 83,121
Inventories, net $ 168,470 $ 175,578