XML 121 R63.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Inventory - Schedule of Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 34,577 $ 31,824
Work in process 54,061 38,019
Finished goods 13,165 20,353
Total inventory $ 101,803 $ 90,196