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Loans and Allowance for Loan Losses (Details 3) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Summary of loan portfolio aging analysis
Total Past Due	$ 1,998	$ 5,045
Current	820,685	766,239
Total Loans Receivable	822,683	771,284
30 to 59 Days Past Due [Member]
Summary of loan portfolio aging analysis
Total Past Due	547	3,030
60 to 89 Days Past Due [Member]
Summary of loan portfolio aging analysis
Total Past Due	288	904
Greater Than 90 Days [Member]
Summary of loan portfolio aging analysis
Total Past Due	1,163	1,111
Commercial & industrial [Member]
Summary of loan portfolio aging analysis
Total Past Due	363	781
Current	144,099	126,260
Total Loans Receivable	144,462	127,041
Commercial & industrial [Member] | 30 to 59 Days Past Due [Member]
Summary of loan portfolio aging analysis
Total Past Due	62	120
Commercial & industrial [Member] | 60 to 89 Days Past Due [Member]
Summary of loan portfolio aging analysis
Total Past Due
Commercial & industrial [Member] | Greater Than 90 Days [Member]
Summary of loan portfolio aging analysis
Total Past Due	301	661
Commercial real estate - owner occupied [Member]
Summary of loan portfolio aging analysis
Total Past Due
Current	97,470	95,651
Total Loans Receivable	97,470	95,651
Commercial real estate - owner occupied [Member] | 30 to 59 Days Past Due [Member]
Summary of loan portfolio aging analysis
Total Past Due
Commercial real estate - owner occupied [Member] | 60 to 89 Days Past Due [Member]
Summary of loan portfolio aging analysis
Total Past Due
Commercial real estate - owner occupied [Member] | Greater Than 90 Days [Member]
Summary of loan portfolio aging analysis
Total Past Due
Commercial real estate - nonowner occupied [Member]
Summary of loan portfolio aging analysis
Total Past Due	338	343
Current	263,531	244,797
Total Loans Receivable	263,869	245,140
Commercial real estate - nonowner occupied [Member] | 30 to 59 Days Past Due [Member]
Summary of loan portfolio aging analysis
Total Past Due	279	342
Commercial real estate - nonowner occupied [Member] | 60 to 89 Days Past Due [Member]
Summary of loan portfolio aging analysis
Total Past Due		1
Commercial real estate - nonowner occupied [Member] | Greater Than 90 Days [Member]
Summary of loan portfolio aging analysis
Total Past Due	59
Agricultural [Member]
Summary of loan portfolio aging analysis
Total Past Due
Current	51,946	52,012
Total Loans Receivable	51,946	52,012
Agricultural [Member] | 30 to 59 Days Past Due [Member]
Summary of loan portfolio aging analysis
Total Past Due
Agricultural [Member] | 60 to 89 Days Past Due [Member]
Summary of loan portfolio aging analysis
Total Past Due
Agricultural [Member] | Greater Than 90 Days [Member]
Summary of loan portfolio aging analysis
Total Past Due
Residential real estate [Member] | 30 to 59 Days Past Due [Member]
Summary of loan portfolio aging analysis
Total Past Due	85	2,391
Residential real estate [Member] | 60 to 89 Days Past Due [Member]
Summary of loan portfolio aging analysis
Total Past Due	269	824
Residential real estate [Member] | Greater Than 90 Days [Member]
Summary of loan portfolio aging analysis
Total Past Due	677	372
Residential real estate [Member]
Summary of loan portfolio aging analysis
Total Past Due	1,031	3,587
Current	200,990	183,517
Total Loans Receivable	202,021	187,104
HELOC [Member]
Summary of loan portfolio aging analysis
Total Past Due	226	234
Current	47,801	47,148
Total Loans Receivable	48,027	47,382
HELOC [Member] | 30 to 59 Days Past Due [Member]
Summary of loan portfolio aging analysis
Total Past Due	102	163
HELOC [Member] | 60 to 89 Days Past Due [Member]
Summary of loan portfolio aging analysis
Total Past Due		16
HELOC [Member] | Greater Than 90 Days [Member]
Summary of loan portfolio aging analysis
Total Past Due	124	55
Consumer [Member]
Summary of loan portfolio aging analysis
Total Past Due	40	100
Current	14,848	16,854
Total Loans Receivable	14,888	16,954
Consumer [Member] | 30 to 59 Days Past Due [Member]
Summary of loan portfolio aging analysis
Total Past Due	19	14
Consumer [Member] | 60 to 89 Days Past Due [Member]
Summary of loan portfolio aging analysis
Total Past Due	19	63
Consumer [Member] | Greater Than 90 Days [Member]
Summary of loan portfolio aging analysis
Total Past Due	$ 2	$ 23

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