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Financial Statement Details - Inventories, Net (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Finished goods $ 29,949 $ 27,009
Raw materials and components 3,752 6,943
Total inventories $ 33,701 $ 33,952