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Loans and Allowance for Loan Losses (Details 2) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment [Line Items]
Risk rated loans	$ 369,000	$ 349,304	$ 346,113
Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Risk rated loans	44,614	40,232	41,098
Agricultural [Member] | Risk ratings 1 and 2 [Member]
Financing Receivable, Recorded Investment [Line Items]
Risk rated loans	12,005	10,416
Agricultural [Member] | Risk rating 3 [Member]
Financing Receivable, Recorded Investment [Line Items]
Risk rated loans	23,852	25,189
Agricultural [Member] | Risk rating 4 [Member]
Financing Receivable, Recorded Investment [Line Items]
Risk rated loans	7,505	3,086
Agricultural [Member] | Risk rating 5 [Member]
Financing Receivable, Recorded Investment [Line Items]
Risk rated loans	726	1,491
Agricultural [Member] | Risk rating 6 [Member]
Financing Receivable, Recorded Investment [Line Items]
Risk rated loans	526	50
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Risk rated loans	96,088	94,347	88,062
Commercial and Industrial [Member] | Risk ratings 1 and 2 [Member]
Financing Receivable, Recorded Investment [Line Items]
Risk rated loans	12,135	10,480
Commercial and Industrial [Member] | Risk rating 3 [Member]
Financing Receivable, Recorded Investment [Line Items]
Risk rated loans	56,714	66,921
Commercial and Industrial [Member] | Risk rating 4 [Member]
Financing Receivable, Recorded Investment [Line Items]
Risk rated loans	25,895	16,169
Commercial and Industrial [Member] | Risk rating 5 [Member]
Financing Receivable, Recorded Investment [Line Items]
Risk rated loans	1,267	574
Commercial and Industrial [Member] | Risk rating 6 [Member]
Financing Receivable, Recorded Investment [Line Items]
Risk rated loans	77	129
Commercial and Industrial [Member] | Risk rating 7 [Member]
Financing Receivable, Recorded Investment [Line Items]
Risk rated loans		74
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Risk rated loans	110,762	97,736	$ 99,807
Commercial Real Estate [Member] | Risk ratings 1 and 2 [Member]
Financing Receivable, Recorded Investment [Line Items]
Risk rated loans	8,013	3,875
Commercial Real Estate [Member] | Risk rating 3 [Member]
Financing Receivable, Recorded Investment [Line Items]
Risk rated loans	59,343	57,540
Commercial Real Estate [Member] | Risk rating 4 [Member]
Financing Receivable, Recorded Investment [Line Items]
Risk rated loans	39,641	29,826
Commercial Real Estate [Member] | Risk rating 5 [Member]
Financing Receivable, Recorded Investment [Line Items]
Risk rated loans	1,867	3,776
Commercial Real Estate [Member] | Risk rating 6 [Member]
Financing Receivable, Recorded Investment [Line Items]
Risk rated loans	$ 1,898	$ 2,719

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+ References

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522

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