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Loans and Allowance for Credit Losses (Schedule of summary loan portfolio) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	$ 1,002,567
Net deferred loan costs	9,696
Allowance for credit losses	(8,497)	$ (8,003)	$ (7,943)
Total net loans	1,003,766
Total gross loans			990,439
Net deferred loan costs			11,872
Allowance for loan losses			(7,943)	$ (8,492)	$ (8,169)	$ (7,559)
Total net loans			994,368
Indirect automobile
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	406,585
Allowance for credit losses	(4,799)	(4,968)	(3,868)
Total gross loans			457,223
Allowance for loan losses				(3,670)	(3,738)	(3,416)
Commercial real estate
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	418,016
Allowance for credit losses	(2,811)	(2,294)	(3,031)
Total gross loans			370,528
Allowance for loan losses				(3,471)	(3,440)	(3,317)
Commercial real estate \| Construction
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	28,231
Total gross loans			20,329
Commercial real estate \| Non-residential
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	305,752
Total gross loans			282,422
Commercial real estate \| Multifamily
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	84,033
Total gross loans			67,777
Residential
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	70,019
Allowance for credit losses	(241)	(179)	(103)
Total gross loans			53,720
Allowance for loan losses				(86)	(59)	(54)
Commercial and industrial
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	87,421
Allowance for credit losses	(536)	(454)	(881)
Total gross loans			87,982
Allowance for loan losses				(1,197)	(859)	(725)
Commercial and industrial \| Small Business Administration Paycheck Protection Program
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	321
Total gross loans			537
Consumer
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	20,526
Allowance for credit losses	(110)	$ (108)	(60)
Total gross loans			20,986
Allowance for loan losses				$ (68)	$ (73)	$ (47)
Consumer \| Indirect automobile
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	406,585
Total gross loans			457,223
Consumer \| Home equity
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	11,654
Total gross loans			11,507
Consumer \| Other consumer
Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss [Abstract]
Total gross loans	$ 8,872
Total gross loans			$ 9,479