Loans and Allowance for loan losses (Schedule of loans by risk rating and portfolio segment) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	$ 853,458	$ 876,616
Pass
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	830,710	858,751
Special Mention
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	15,718	10,863
Substandard
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	7,030	7,002
Indirect automobile
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	382,088	376,260
Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	311,589	284,120
Commercial real estate | Construction
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	10,095	5,392
Commercial real estate | Construction | Pass
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	10,095	5,392
Commercial real estate | Non-residential
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	245,568	248,349
Commercial real estate | Non-residential | Pass
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	232,253	240,778
Commercial real estate | Non-residential | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	10,341	5,468
Commercial real estate | Non-residential | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	2,974	2,103
Commercial real estate | Multifamily
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	55,926	30,379
Commercial real estate | Multifamily | Pass
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	55,926	30,379
Residential
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	35,646	39,239
Residential | Pass
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	33,416	36,597
Residential | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	2,230	2,642
Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	104,323	154,016
Commercial and industrial | Pass
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	98,171	147,748
Commercial and industrial | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	5,377	5,395
Commercial and industrial | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	775	873
Consumer
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	19,812	22,981
Consumer | Indirect automobile
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	382,088	376,260
Consumer | Indirect automobile | Pass
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	381,354	375,270
Consumer | Indirect automobile | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	734	990
Consumer | Home equity
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	11,857	14,165
Consumer | Home equity | Pass
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	11,587	13,819
Consumer | Home equity | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	270	346
Consumer | Other consumer
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	7,955	8,816
Consumer | Other consumer | Pass
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	7,908	8,768
Consumer | Other consumer | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total gross loans	$ 47	$ 48