Summary of Cash Flow Information Related to Leases (Details) - USD ($) $ in Thousands	9 Months Ended
	Oct. 02, 2020	Sep. 27, 2019
Cash paid for amounts included in lease liabilities:
Operating cash flows from finance leases	$ 357	$ 404
Operating cash flows from operating leases	5,088	5,124
Financing cash flows from finance leases	1,034	547
Supplemental non-cash information:
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 3,050	$ 5,649