Commitments and Contingencies (ACL on Unfunded Commitments Rollforward) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	$ 1,740,000	$ 2,290,000	$ 1,940,000	$ 2,290,000
Provision	0	100,000	(200,000)	100,000
Ending balance	1,740,000	2,390,000	1,740,000	2,390,000
Commercial real estate
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	943,000	1,368,000	1,091,000	1,236,000
Provision	(37,000)	115,000	(185,000)	247,000
Ending balance	906,000	1,483,000	906,000	1,483,000
Commercial & industrial
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	771,000	883,000	822,000	988,000
Provision	28,000	(6,000)	(23,000)	(111,000)
Ending balance	799,000	877,000	799,000	877,000
Total commercial
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	1,714,000	2,251,000	1,913,000	2,224,000
Provision	(9,000)	109,000	(208,000)	136,000
Ending balance	1,705,000	2,360,000	1,705,000	2,360,000
Residential real estate
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	15,000	25,000	15,000	50,000
Provision	9,000	(10,000)	9,000	(35,000)
Ending balance	24,000	15,000	24,000	15,000
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	11,000	14,000	12,000	16,000
Provision	0	1,000	(1,000)	(1,000)
Ending balance	11,000	15,000	11,000	15,000
Total consumer
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	11,000	14,000	12,000	16,000
Provision	0	1,000	(1,000)	(1,000)
Ending balance	$ 11,000	$ 15,000	$ 11,000	$ 15,000