Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Inventory Disclosure [Abstract]
Raw materials	$ 53,904	$ 44,976
Work-in-process	27,950	25,291
Finished goods	28,907	32,093
Total inventories	$ 110,761	$ 102,360

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