Leases - Quantitative Lease Data (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Finance Lease Amounts:
Right-of-Use Assets	$ 4,637	$ 4,814	$ 4,637	$ 4,814
Lease Liabilities	5,119	5,169	5,119	5,169
Operating Lease Amounts:
Right-of-Use Assets	5,627	6,941	5,627	6,941
Lease Liabilities	$ 5,822	$ 7,124	$ 5,822	$ 7,124
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Premises and Equipment, Net	Premises and Equipment, Net	Premises and Equipment, Net	Premises and Equipment, Net
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other Assets	Other Assets	Other Assets	Other Assets
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Other Liabilities	Other Liabilities	Other Liabilities	Other Liabilities
Cash Paid For Amounts Included In The Measurement Of Lease Liabilities:
Operating Outgoing Cash Flows From Finance Leases			$ 193	$ 195
Operating Outgoing Cash Flows From Operating Leases			1,301	794
Financing Outgoing Cash Flows From Finance Leases			50	48	$ 37
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			$ 0	$ 2,508
Weighted-average Remaining Lease Term - Finance Leases (Yrs.)	27 years 2 months 26 days	28 years 2 months 12 days	27 years 2 months 26 days	28 years 2 months 12 days
Weighted-average Remaining Lease Term - Operating Leases (Yrs.)	11 years 1 month 20 days	11 years 2 months 1 day	11 years 1 month 20 days	11 years 2 months 1 day
Weighted-average Discount Rate—Finance Leases	3.75%	3.75%	3.75%	3.75%
Weighted-average Discount Rate—Operating Leases	2.92%	2.86%	2.92%	2.86%
Finance Lease Cost:
Reduction in the Carrying Amount of Right-of-Use Assets	$ 44	$ 44	$ 177	$ 177
Interest on Lease Liabilities	48	49	193	195	$ 196
Operating Lease Cost	304	270	1,229	1,007
Short-term Lease Cost	15	19	47	47
Variable Lease Cost	81	67	334	270
Total Lease Cost	$ 492	$ 449	$ 1,980	$ 1,696