Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 1,812	$ 1,214	$ 2,921	$ 2,664
Unrecognized tax benefits	4,200		4,200		$ 4,100
Expected change in unrecognized tax benefits	$ 2,500		$ 2,500