Future Estimated Minimum Payments Under Finance Leases and Non-Cancelable Operating Leases (Details) - USD ($) $ in Thousands	Jun. 26, 2020	Dec. 31, 2019
Finance Leases
2020	$ 1,119
2021	2,238
2022	2,238
2023	1,528
2024	1,174
2025 and thereafter	21,126
Total lease payments	29,423
Less amount of lease payment representing interest	11,179
Total present value of lease payments	18,244	$ 18,689
Operating Leases
2020	3,986
2021	7,841
2022	6,846
2023	6,548
2024	4,704
2025 and thereafter	46,967
Total lease payments	76,892
Less amount of lease payment representing interest	26,764
Total present value of lease payments	$ 50,128