Loans and Allowance for Loan Losses (Schedule of loan balances by segment) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Allowance for loan losses:
Beginning balance	$ 8,572	$ 7,858	$ 5,954	$ 6,646
Provision for loan losses	2,250	450	5,705	2,010
Loans charged-off	(590)	(604)	(1,836)	(1,550)
Recoveries	331	199	740	797
Ending balance	10,563	7,903	10,563	7,903
Allowance for loan losses:
Ending balance: Individually evaluated for impairment	230	124	230	124	$ 107
Ending balance: Collectively evaluated for impairment	10,333	7,779	10,333	7,779	5,847
Loan receivables:
Ending balance	893,140	757,098	893,140	757,098	789,517
Ending balance: Individually evaluated for impairment	5,858	8,773	5,858	8,773	8,921
Ending balance: Collectively evaluated for impairment	887,282	748,325	887,282	748,325	780,596
Indirect automobile
Allowance for loan losses:
Beginning balance	4,779	3,606	3,117	2,915
Provision for loan losses	653	898	3,114	1,930
Loans charged-off	(499)	(494)	(1,688)	(1,413)
Recoveries	325	173	715	751
Ending balance	5,258	4,183	5,258	4,183
Allowance for loan losses:
Ending balance: Individually evaluated for impairment	204	118	204	118	107
Ending balance: Collectively evaluated for impairment	5,054	4,065	5,054	4,065	3,010
Loan receivables:
Ending balance	372,863	354,394	372,863	354,394	360,569
Ending balance: Individually evaluated for impairment	900	673	900	673	953
Ending balance: Collectively evaluated for impairment	371,963	353,721	371,963	353,721	359,616
Commercial real estate
Allowance for loan losses:
Beginning balance	2,673	1,252	2,009	1,080
Provision for loan losses	1,217	(79)	1,881	93
Recoveries	4		4
Ending balance	3,894	1,173	3,894	1,173
Allowance for loan losses:
Ending balance: Collectively evaluated for impairment	3,894	1,173	3,894	1,173	2,009
Loan receivables:
Ending balance	284,862	245,704	284,862	245,704	268,640
Ending balance: Individually evaluated for impairment	1,291	4,238	1,291	4,238	4,296
Ending balance: Collectively evaluated for impairment	283,571	241,466	283,571	241,466	264,344
Residential Real Estate
Allowance for loan losses:
Beginning balance	125	305	99	320
Provision for loan losses	4	(49)	30	(67)
Recoveries				3
Ending balance	129	256	129	256
Allowance for loan losses:
Ending balance: Collectively evaluated for impairment	129	256	129	256	99
Loan receivables:
Ending balance	40,605	41,344	40,605	41,344	43,726
Ending balance: Individually evaluated for impairment	2,684	2,657	2,684	2,657	2,341
Ending balance: Collectively evaluated for impairment	37,921	38,687	37,921	38,687	41,385
Commercial and industrial
Allowance for loan losses:
Beginning balance	859	1,895	603	1,542
Provision for loan losses	366	(276)	651	89
Loans charged-off	(88)	(43)	(127)	(55)
Recoveries		14	7	14
Adjustments	(3)
Ending balance	1,134	1,590	1,134	1,590
Allowance for loan losses:
Ending balance: Individually evaluated for impairment	24		24
Ending balance: Collectively evaluated for impairment	1,110	1,590	1,110	1,590	603
Loan receivables:
Ending balance	170,663	88,187	170,663	88,187	90,554
Ending balance: Individually evaluated for impairment	422	674	422	674	905
Ending balance: Collectively evaluated for impairment	170,241	87,513	170,241	87,513	89,649
Consumer
Allowance for loan losses:
Beginning balance	136	800	126	789
Provision for loan losses	10	(44)	29	(35)
Loans charged-off	(3)	(67)	(21)	(82)
Recoveries	5	12	14	29
Ending balance	148	701	148	701
Allowance for loan losses:
Ending balance: Individually evaluated for impairment	2	6	2	6
Ending balance: Collectively evaluated for impairment	146	695	146	695	126
Loan receivables:
Ending balance	24,147	27,469	24,147	27,469	26,028
Ending balance: Individually evaluated for impairment	561	531	561	531	426
Ending balance: Collectively evaluated for impairment	23,586	$ 26,938	23,586	$ 26,938	25,602
Consumer \| Indirect automobile
Loan receivables:
Ending balance	$ 372,863		$ 372,863		$ 360,569

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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Amount of other addition (reduction) in allowance reserve for credit loss.

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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The balance of financing receivables that were collectively evaluated for impairment.

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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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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount of expense related to estimated loss from loan and lease transactions.

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