XML 15 R47.htm IDEA: XBRL DOCUMENT v3.20.1
Inventories - Summary of Inventories (Detail) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 36,904 $ 49,135
Work in process 47,054 43,456
Finished goods 34,961 26,131
Total inventories $ 118,919 $ 118,722