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Balance Sheet Components - Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Raw materials $ 58,816 $ 45,341
Work in process 20,853 22,099
Finished goods 165,652 152,087
Inventories $ 245,321 $ 219,527