Future Minimum Lease Payments Under Operating and Finance Leases (Details) $ in Thousands	Jun. 28, 2019 USD ($)
Operating Lease
2019 (remainder of year)	$ 3,878
2020	6,240
2021	6,090
2022	5,340
2023	4,687
Thereafter	29,138
Total minimum lease payments	55,373
Less: Interest	(15,040)
Present value of lease liabilities	40,333
Finance Lease
2019 (remainder of year)	499
2020	980
2021	907
2022	907
2023	930
Thereafter	5,394
Total minimum lease payments	9,617
Less: Interest	(2,235)
Present value of lease liabilities	$ 7,382