Loans and Allowance for Loan Losses (Details 4) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	$ 425,769	$ 425,816
Loans Receivables Non Classified [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	409,128	410,542
Loans Receivables Classified [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	16,641	15,274
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	136,846	131,930
Residential Real Estate [Member] | Loans Receivables Non Classified [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	135,640	130,575
Residential Real Estate [Member] | Loans Receivables Classified [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	1,206	1,355
Construction Loans [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	13,738	15,043
Construction Loans [Member] | Loans Receivables Non Classified [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	13,138	14,429
Construction Loans [Member] | Loans Receivables Classified [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	600	614
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	118,200	118,983
Commercial Real Estate [Member] | Loans Receivables Non Classified [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	111,641	111,016
Commercial Real Estate [Member] | Loans Receivables Classified [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	6,559	7,967
Commercial Loan [Member] | Loans Receivables Non Classified [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	51,080	58,862
Commercial Loan [Member] | Loans Receivables Classified [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	3,426	2,438
Municipal Bonds [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	3,884	7,635
Municipal Bonds [Member] | Loans Receivables Non Classified [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	3,884	7,635
Municipal Bonds [Member] | Loans Receivables Classified [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	0	0
Agriculture Loans [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	78,324	71,030
Agriculture Loans [Member] | Loans Receivables Non Classified [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	73,564	68,186
Agriculture Loans [Member] | Loans Receivables Classified [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	4,760	2,844
Consumer Loan [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	20,271	19,895
Consumer Loan [Member] | Loans Receivables Non Classified [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	20,181	19,839
Consumer Loan [Member] | Loans Receivables Classified [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	$ 90	$ 56