Related Party Transactions (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jul. 03, 2020	Jul. 03, 2020
Rental of Buildings
Related Party Transaction [Line Items]
Payments made under lease		$ 16
Purchase of Properties | Employees
Related Party Transaction [Line Items]
Payments made under lease		28
Founder and Minority Stockholder
Related Party Transaction [Line Items]
Payments made under lease	$ 48	96
SCA | Employees
Related Party Transaction [Line Items]
Payments made under lease	$ 112	$ 84