Leases - Future Minimum Lease Commitments For Finance and Operating Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Jan. 01, 2019
Finance Leases
2021	$ 2,826
2022	2,316
2023	1,320
2024	509
2025	4
Thereafter	0
Total minimum lease payments	6,975
Amounts representing interest	(516)
Present value of net minimum lease payments	6,459	$ 6,585
Operating Leases
2021	4,908
2022	4,606
2023	3,516
2024	2,917
2025	2,409
Thereafter	4,043
Total minimum lease payments	$ 22,399