Commitments and Contingencies (ACL on Unfunded Commitments Rollforward) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	$ 1,190,000	$ 1,740,000	$ 1,440,000	$ 1,940,000
Provision	(150,000)	(100,000)	(400,000)	(300,000)
Ending balance	1,040,000	1,640,000	1,040,000	1,640,000
Commercial real estate
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	420,000	906,000	822,000	1,091,000
Provision	6,000	(76,000)	(396,000)	(261,000)
Ending balance	426,000	830,000	426,000	830,000
Commercial & industrial
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	741,000	799,000	589,000	822,000
Provision	(158,000)	(22,000)	(6,000)	(45,000)
Ending balance	583,000	777,000	583,000	777,000
Total commercial
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	1,161,000	1,705,000	1,411,000	1,913,000
Provision	(152,000)	(98,000)	(402,000)	(306,000)
Ending balance	1,009,000	1,607,000	1,009,000	1,607,000
Residential real estate
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	20,000	24,000	18,000	15,000
Provision	2,000	(2,000)	4,000	7,000
Ending balance	22,000	22,000	22,000	22,000
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	9,000	11,000	11,000	12,000
Provision	0	0	(2,000)	(1,000)
Ending balance	9,000	11,000	9,000	11,000
Total consumer
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Beginning balance	9,000	11,000	11,000	12,000
Provision	0	0	(2,000)	(1,000)
Ending balance	$ 9,000	$ 11,000	$ 9,000	$ 11,000