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Balance Sheet Components Inventories (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Notes To Financial Statements [Abstract]    
Raw materials $ 73,183 $ 54,947
Work in process 32,232 30,974
Finished goods 25,861 26,130
Total inventories $ 131,276 $ 112,051