Commitments and Contingencies (ACL on Unfunded Commitments Rollforward) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	$ 2,390,000	$ 2,190,000	$ 2,290,000	$ 2,161,000
Provision	(400,000)	200,000	(300,000)	229,000
Ending balance	1,990,000	2,390,000	1,990,000	2,390,000
Commercial Real Estate
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	1,483,000	1,279,000	1,236,000	1,267,000
Provision	(387,000)	185,000	(140,000)	197,000
Ending balance	1,096,000	1,464,000	1,096,000	1,464,000
Commercial & Industrial
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	877,000	834,000	988,000	816,000
Provision	(9,000)	25,000	(120,000)	43,000
Ending balance	868,000	859,000	868,000	859,000
Total Commercial
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	2,360,000	2,113,000	2,224,000	2,083,000
Provision	(396,000)	210,000	(260,000)	240,000
Ending balance	1,964,000	2,323,000	1,964,000	2,323,000
Residential Real Estate
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	15,000	58,000	50,000	62,000
Provision	(1,000)	(8,000)	(36,000)	(12,000)
Ending balance	14,000	50,000	14,000	50,000
Home Equity
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	0	0	0	0
Provision	0	0	0	0
Ending balance	0	0	0	0
Other
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	15,000	19,000	16,000	16,000
Provision	(3,000)	(2,000)	(4,000)	1,000
Ending balance	12,000	17,000	12,000	17,000
Total Consumer
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	15,000	19,000	16,000	16,000
Provision	(3,000)	(2,000)	(4,000)	1,000
Ending balance	$ 12,000	$ 17,000	$ 12,000	$ 17,000