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Balance Sheet Account Details Other Current Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Other Liabilities Disclosure [Abstract]    
Customer incentives $ 4,914 $ 7,369
Customer deposits 1,873 1,500
Other 10,198 5,993
Total other current liabilities $ 16,985 $ 14,862