Leases - Quantitative Lease Data (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Finance Lease Amounts:
Right-of-Use Assets	$ 4,593	$ 4,770
Lease Liabilities	5,106	5,156	$ 5,119
Operating Lease Amounts:
Right-of-Use Assets	5,388	6,676
Lease Liabilities	5,584	6,863
Cash Paid For Amounts Included In The Measurement Of Lease Liabilities:
Operating Outgoing Cash Flows From Finance Leases	49	49
Operating Outgoing Cash Flows From Operating Leases	257	260
Financing Outgoing Cash Flows From Finance Leases	13	13
Right-of-Use Assets Obtained In Exchange For New Finance Lease Liabilities	0	0
Right-of-Use Assets Obtained In Exchange For New Operating Lease Liabilities	$ 19	$ 0
Weighted-average Remaining Lease Term - Finance Leases (Yrs.)	27 years	28 years
Weighted-average Remaining Lease Term - Operating Leases (Yrs.)	11 years 5 months 12 days	11 years 2 months 12 days
Weighted-average Discount Rate—Finance Leases	3.75%	3.75%
Weighted-average Discount Rate—Operating Leases	2.97%	2.81%
Finance Lease Cost:
Reduction of Right-of-Use Assets	$ 44	$ 44
Interest on Lease Liabilities	49	49
Operating Lease Cost	298	312
Short-term Lease Cost	14	10
Variable Lease Cost	73	95
Total Lease Cost	$ 478	$ 510