Income Taxes - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 29, 2017
Sep. 30, 2016
Sep. 29, 2017
Sep. 30, 2016
Dec. 31, 2016
Income Tax Disclosure [Abstract]          
Provision for income taxes $ 3,232 $ 3,207 $ 9,751 $ 10,629  
Effective income tax rate 35.80% 32.70% 35.20% 35.60%  
Federal statutory income tax rate     35.00%    
Unrecognized tax benefits $ 400   $ 400   $ 400