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Balance Sheet Details - Schedule of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Sep. 26, 2020
Dec. 31, 2019
Accrued Liabilities Current [Abstract]    
Payroll and related expenses $ 24,501 $ 19,365
Warranty 6,009 6,348
Other 553 491
Total accrued liabilities $ 31,063 $ 26,204