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Balance Sheet Components - Inventories, Net (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Raw materials $ 79,090 $ 67,829
Work-in-progress 29,063 21,207
Finished goods 33,906 20,570
Inventory, net 142,059 109,606
Inventory reserves $ 14,000 $ 14,600