Loans and Allowance for Loan Losses (Details 1) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	$ 8,121	$ 8,219	$ 8,167	$ 7,930
Charge offs	(20)	(54)	(80)	(73)
Recoveries	5	29	19	37
Provision	200	300	200	600
Ending balance	8,306	8,494	8,306	8,494
Allowance: Ending balance: individually evaluated for impairment	47		47		$ 138
Allowance: Ending balance: collectively evaluated for impairment	8,259		8,259		8,029
Loans: Ending balance: individually evaluated for impairment	3,140		3,140		3,284
Loans: Ending balance: collectively evaluated for impairment	810,721		810,721		768,000
Commercial & industrial [Member]
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	1,334	978	1,435	823
Charge offs			(48)
Recoveries	1		1
Provision	43	83	(10)	238
Ending balance	1,378	1,061	1,378	1,061
Allowance: Ending balance: individually evaluated for impairment					61
Allowance: Ending balance: collectively evaluated for impairment	1,378		1,378		1,374
Loans: Ending balance: individually evaluated for impairment	624		624		700
Loans: Ending balance: collectively evaluated for impairment	142,526		142,526		126,341
Commercial real estate [Member]
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	3,269	3,673	2,923	3,779
Charge offs		(17)		(36)
Recoveries		26		29
Provision	179	38	525	(52)
Ending balance	3,448	3,720	3,448	3,720
Allowance: Ending balance: individually evaluated for impairment
Allowance: Ending balance: collectively evaluated for impairment	3,448		3,448		2,923
Loans: Ending balance: individually evaluated for impairment	208		208		283
Loans: Ending balance: collectively evaluated for impairment	358,875		358,875		340,508
Agricultural [Member]
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	466	517	482	505
Charge offs
Recoveries
Provision	43	(29)	27	(17)
Ending balance	509	488	509	488
Allowance: Ending balance: individually evaluated for impairment
Allowance: Ending balance: collectively evaluated for impairment	509		509		482
Loans: Ending balance: individually evaluated for impairment
Loans: Ending balance: collectively evaluated for impairment	54,317		54,317		52,012
Residential real estate [Member]
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	2,316	2,359	2,567	2,129
Charge offs		(26)		(26)
Recoveries	1	1	1	2
Provision	(30)	216	(281)	445
Ending balance	2,287	2,550	2,287	2,550
Allowance: Ending balance: individually evaluated for impairment	47		47		73
Allowance: Ending balance: collectively evaluated for impairment	2,240		2,240		2,494
Loans: Ending balance: individually evaluated for impairment	2,272		2,272		2,111
Loans: Ending balance: collectively evaluated for impairment	192,615		192,615		184,993
Consumer [Member]
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	736	692	760	694
Charge offs	(20)	(11)	(32)	(11)
Recoveries	3	2	14	6
Provision	(35)	(8)	(61)	(14)
Ending balance	684	$ 675	684	$ 675
Allowance: Ending balance: individually evaluated for impairment					4
Allowance: Ending balance: collectively evaluated for impairment	684		684		756
Loans: Ending balance: individually evaluated for impairment	36		36		190
Loans: Ending balance: collectively evaluated for impairment	$ 62,388		$ 62,388		$ 64,146

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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