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Loans and Allowance for Loan Losses (Details 3) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Allowance for Loan Losses
Beginning balance	$ 4,673	$ 4,577	$ 4,277
Charge-offs	(989)	(365)	(735)
Recoveries	373	426	550
Provision		35	485
Ending balance	4,057	4,673	4,577
Individually evaluated for impairment	355	297	302
Collectively evaluated for impairment	3,702	4,376	4,275
Loans
Individually evaluated for impairment	5,922	4,024	4,140
Collectively evaluated for impairment	788,397	405,049	394,645
Acquired with deteriorated credit quality	7,729
Ending balance	802,048	409,073	398,785
Agricultural [Member]
Allowance for Loan Losses
Beginning balance	481	506	433
Recoveries	65	33
Provision	(75)	(58)	73
Ending balance	471	481	506
Individually evaluated for impairment	103	94
Collectively evaluated for impairment	368	387	506
Loans
Individually evaluated for impairment	924	578	423
Collectively evaluated for impairment	56,415	48,531	48,041
Ending balance	57,339	49,109	48,464
Commercial and Industrial [Member]
Allowance for Loan Losses
Beginning balance	892	1,001	688
Charge-offs	(83)	(58)	(439)
Recoveries	22	107	21
Provision	(176)	(158)	731
Ending balance	655	892	1,001
Individually evaluated for impairment		3	26
Collectively evaluated for impairment	655	889	975
Loans
Individually evaluated for impairment	259	21	124
Collectively evaluated for impairment	141,583	91,385	104,262
Acquired with deteriorated credit quality	6,241
Ending balance	148,083	91,406	104,386
Consumer [Member]
Allowance for Loan Losses
Beginning balance	254	262	305
Charge-offs	(292)	(282)	(253)
Recoveries	136	112	169
Provision	172	162	41
Ending balance	270	254	262
Individually evaluated for impairment	4	13	3
Collectively evaluated for impairment	266	241	259
Loans
Individually evaluated for impairment	17	90	36
Collectively evaluated for impairment	38,524	24,292	24,477
Acquired with deteriorated credit quality	313
Ending balance	38,854	24,382	24,513
Commercial Real Estate [Member]
Allowance for Loan Losses
Beginning balance	1,926	1,761	1,438
Charge-offs	(589)
Recoveries	26	61	258
Provision	300	104	65
Ending balance	1,663	1,926	1,761
Individually evaluated for impairment	13	20	49
Collectively evaluated for impairment	1,650	1,906	1,712
Loans
Individually evaluated for impairment	2,288	623	778
Collectively evaluated for impairment	323,358	138,830	122,709
Acquired with deteriorated credit quality	733
Ending balance	326,379	139,453	123,487
Construction Real Estate [Member]
Allowance for Loan Losses
Beginning balance	38	35	62
Recoveries			40
Provision	38	3	(67)
Ending balance	76	38	35
Collectively evaluated for impairment	76	38	35
Loans
Collectively evaluated for impairment	13,411	8,843	6,613
Ending balance	13,411	8,843	6,613
Residential Real Estate [Member]
Allowance for Loan Losses
Beginning balance	537	726	1,013
Charge-offs	(25)	(25)	(43)
Recoveries	124	113	62
Provision	4	(277)	(306)
Ending balance	640	537	726
Individually evaluated for impairment	235	167	224
Collectively evaluated for impairment	405	370	502
Loans
Individually evaluated for impairment	2,434	2,712	2,779
Collectively evaluated for impairment	215,106	93,168	88,543
Acquired with deteriorated credit quality	442
Ending balance	217,982	95,880	91,322
Unallocated [Member]
Allowance for Loan Losses
Beginning balance	545	286	338
Provision	(263)	259	(52)
Ending balance	282	545	286
Collectively evaluated for impairment	$ 282	$ 545	$ 286

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