Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Loans and Allowance for Loan Losses (Schedule of summary loan portfolio) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Jun. 30, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	$ 893,140		$ 789,517	$ 757,098
Net deferred loan costs	7,918		9,908
Allowance for loan losses	(10,563)	$ (8,572)	(5,954)	(7,903)	$ (7,858)	$ (6,646)
Total net loans	890,495		793,471
Indirect automobile
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	372,863		360,569	354,394
Allowance for loan losses	(5,258)	(4,779)	(3,117)	(4,183)	(3,606)	(2,915)
Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	284,862		268,640	245,704
Allowance for loan losses	(3,894)	(2,673)	(2,009)	(1,173)	(1,252)	(1,080)
Commercial real estate \| Undisbursed construction loans
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	9,456		20,354
Commercial real estate \| Non-residential
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	245,415		228,157
Commercial real estate \| Multifamily
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	29,991		20,129
Residential Real Estate
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	40,605		43,726	41,344
Allowance for loan losses	(129)	(125)	(99)	(256)	(305)	(320)
Commercial and industrial
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	170,663		90,554	88,187
Allowance for loan losses	(1,134)	(859)	(603)	(1,590)	(1,895)	(1,542)
Commercial and industrial \| Small Business Administration Paycheck Protection Program
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	91,729
Consumer
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	24,147		26,028	27,469
Allowance for loan losses	(148)	$ (136)	(126)	$ (701)	$ (800)	$ (789)
Consumer \| Indirect automobile
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	372,863		360,569
Consumer \| Home equity
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	14,961		16,276
Consumer \| Other consumer
Loans and Leases Receivable Disclosure [Line Items]
Total gross loans	$ 9,186		$ 9,752