Annual report pursuant to Section 13 and 15(d)

Inventories - Schedule of Inventories (Details)

v3.20.4
Inventories - Schedule of Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 241,095 $ 239,449
Work-in-process 41,950 21,122
Total 283,045 260,571
Raw materials, safe harbor program $ 73,000 $ 132,600