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Inventories
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consisted of the following:
As of September 30, 2020As of December 31, 2019
(in thousands)
Raw materials
$42,542 $26,247 
Work-in-process
135,220 107,021 
Finished goods
67,698 34,234 
Total
$245,460 $167,502