Lease Agreements - Finance and Operating Lease Maturity Schedules (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Finance Leases
2021	$ 1,059
2022	1,069
2023	998
2024	1,012
2025	1,032
Later years	5,333
Total lease payments	10,503
Less: imputed interest	(2,100)
Total lease obligations	8,403
Operating Leases
2020	7,622
2021	7,602
2022	6,207
2023	3,235
2024	2,591
Later years	4,641
Total lease payments	31,898
Less: imputed interest	(3,783)
Total lease obligations	$ 28,115