Future Minimum Lease Payments Under Operating and Finance Leases (Details) - USD ($) $ in Thousands	Apr. 02, 2021	Dec. 31, 2020
Operating Lease
2021 (remainder of year)	$ 5,650
2022	6,706
2023	5,370
2024	4,583
2025	4,571
Thereafter	22,037
Total minimum lease payments	48,917
Less: Interest	(12,088)
Present value of lease liabilities	36,829	$ 38,990
Finance Lease
2021 (remainder of year)	680
2022	907
2023	930
2024	954
2025	954
Thereafter	3,486
Total minimum lease payments	7,911
Less: Interest	(1,577)
Present value of lease liabilities	$ 6,334	$ 15,628