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Inventories, Net - Summary of Inventories (Detail) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 18,441 $ 15,198
Work-in-process 23,981 22,890
Finished goods 5,677 3,244
Total $ 48,099 $ 41,332