v3.10.0.1
Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 29, 2018
Sep. 30, 2017
Sep. 29, 2018
Sep. 30, 2017
Income Tax Disclosure [Abstract]        
Income tax expense (benefit) $ 977 $ 647 $ 2,592 $ 1,503
Benefit due to valuation allowance release $ 600