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Inventories (Tables)
12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories consist of the following (in thousands):
December 31,
20212020
Raw materials
$413,819 $241,095 
Work-in-process
93,000 41,950 
Total
$506,819 $283,045