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Inventory - Components of Inventory (Detail) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 35,922 $ 36,987
Work in process 778 1,085
Finished goods 62,815 60,233
Total inventory, net $ 99,515 $ 98,305