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Inventories and Significant Suppliers - Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Raw materials $ 52,617 $ 44,273
Components 25,289 16,954
Work in process 7,102 6,211
Finished goods 49,461 52,992
Inventories $ 134,469 $ 120,430