Leases - Future Lease Payments on Finance and Operating Leases (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2020
Operating Leases
2021	$ 964
2022	928
2023	780
2024	705
2025	648
Thereafter	4,359
Total Undiscounted Cash Flows	8,384
Less: Net Present Value Adjustment	1,419
Lease Liabilities	6,965		$ 5,577
Financing Leases
2021	243
2022	243
2023	247
2024	259
2025	268
Thereafter	7,599
Total Undiscounted Cash Flows	8,859
Less: Net Present Value Adjustment	3,678
Lease Liabilities	$ 5,181	$ 5,217	$ 5,228