Loans and Allowance for Credit Losses (Schedule of ACL for unfunded commitments) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Allowance for credit losses:
Beginning balance	$ 141	$ 220	$ 152	$ 244
Provision for (credit to) credit losses	79	(17)	68	(41)
Ending balance	220	203	220	203
Commercial real estate \| Non-residential
Allowance for credit losses:
Beginning balance	19	92	19	119
Provision for (credit to) credit losses	82	(19)	82	(46)
Ending balance	101	73	101	73
Commercial and industrial
Allowance for credit losses:
Beginning balance	100	103	111	104
Provision for (credit to) credit losses		4	(11)	3
Ending balance	100	107	100	107
Residential real estate
Allowance for credit losses:
Beginning balance	3	5	3	1
Provision for (credit to) credit losses	(2)	(2)	(2)	2
Ending balance	1	3	1	3
Consumer \| Home equity
Allowance for credit losses:
Beginning balance	17	18	17	18
Ending balance	17	18	17	18
Consumer \| Other consumer
Allowance for credit losses:
Beginning balance	2	2	2	2
Provision for (credit to) credit losses	(1)		(1)
Ending balance	$ 1	$ 2	$ 1	$ 2

Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482454/460-10-45-1

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Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476148/220-40-50-22

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