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Loans and Allowance for Loan Losses (Details 7) - USD ($) $ in Thousands		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	$ 2,424	$ 4,517
Loans Not Past Due		366,576	344,787
Loans		369,000	349,304	$ 346,113
Loans 90 Days Past Due and Accruing		229	29
Greater Than 90 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	1,157	1,510
30 to 59 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	1,126	2,024
60 to 89 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	141	983
Agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]		3
Loans Not Past Due		44,614	40,229
Loans		44,614	40,232	41,098
Agricultural [Member] | 30 to 59 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]		3
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	275	489
Loans Not Past Due		95,813	93,858
Loans		96,088	94,347	88,062
Commercial and Industrial [Member] | Greater Than 90 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	245	77
Commercial and Industrial [Member] | 30 to 59 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]		90
Commercial and Industrial [Member] | 60 to 89 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	30	322
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	107	115
Loans Not Past Due		21,489	19,975
Loans		21,596	20,090	20,752
Consumer [Member] | Greater Than 90 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	6
Consumer [Member] | 30 to 59 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	99	115
Consumer [Member] | 60 to 89 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	2
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	260	2,035
Loans Not Past Due		110,502	95,701
Loans		110,762	97,736	99,807
Commercial Real Estate [Member] | Greater Than 90 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	260	1,233
Commercial Real Estate [Member] | 30 to 59 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]		505
Commercial Real Estate [Member] | 60 to 89 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]		297
Construction Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]		299
Loans Not Past Due		6,153	5,091
Loans		6,153	5,390	2,691
Construction Real Estate [Member] | 30 to 59 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]		299
Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	1,782	1,576
Loans Not Past Due		88,005	89,933
Loans		89,787	91,509	$ 93,703
Loans 90 Days Past Due and Accruing		229	29
Residential Real Estate [Member] | Greater Than 90 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	646	200
Residential Real Estate [Member] | 30 to 59 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	1,027	1,012
Residential Real Estate [Member] | 60 to 89 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	$ 109	$ 364
[1] Includes nonaccrual loans.

X

- Definition

Recorded investment in financing receivables that are 90 days or more past due and still accruing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Recorded Investment
-URI http://asc.fasb.org/extlink&oid=65880944

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5111-111524

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Recorded Investment
-URI http://asc.fasb.org/extlink&oid=65880944

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+ 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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