Loans and Allowance for Credit Losses (Schedule of summary loan portfolio) (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026	Dec. 31, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	$ 922,973		$ 958,165
Dealer reserves	3,199		3,573
Allowance for credit losses	(7,695)	$ (7,888)	(8,353)	$ (8,231)	$ (8,406)	$ (8,539)
Total net loans	918,477		953,385
Commercial real estate \| Non-residential
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	417,065		417,808
Allowance for credit losses	(3,122)	(3,064)	(3,142)	(2,777)	(2,717)	(2,675)
Commercial real estate \| Multifamily
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	99,582		107,938
Allowance for credit losses	(420)	(463)	(490)	(333)	(332)	(313)
Commercial real estate \| Construction
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	6,462		8,982
Commercial and industrial
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	87,165		91,526
Allowance for credit losses	(575)	(737)	(762)	(648)	(673)	(684)
Residential real estate
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	106,824		100,086
Allowance for credit losses	(782)	(742)	(739)	(722)	(612)	(575)
Consumer \| Indirect automobile
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	188,112		213,802
Allowance for credit losses	(2,641)	(2,721)	(3,050)	(3,576)	(3,911)	(4,133)
Consumer \| Home equity
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	11,947		12,290
Allowance for credit losses	(87)	(87)	(90)	(88)	(87)	(84)
Consumer \| Other consumer
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	5,816		5,733
Allowance for credit losses	$ (68)	$ (74)	$ (80)	$ (87)	$ (74)	$ (75)