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Loans and Allowance for Loan Losses (Details 6) - USD ($) $ in Thousands		Mar. 31, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total		$ 4,362	$ 2,424
Loans Not Past Due		368,929	366,576
Loans		373,291	369,000
Loans 90 Days Past Due and Accruing		58	229
Greater Than 90 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	812	1,157
30 to 59 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total		3,353	1,126
60 to 89 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total		197	141
Agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total		482
Loans Not Past Due		38,046	44,614
Loans		38,528	44,614
Agricultural [Member] | Greater Than 90 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	482
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total		235	275
Loans Not Past Due		100,819	95,813
Loans		101,054	96,088
Commercial and Industrial [Member] | Greater Than 90 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	235	245
Commercial and Industrial [Member] | 60 to 89 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total			30
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total		121	107
Loans Not Past Due		22,237	21,489
Loans		22,358	21,596
Loans 90 Days Past Due and Accruing		8
Consumer [Member] | Greater Than 90 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	13	6
Consumer [Member] | 30 to 59 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total		92	99
Consumer [Member] | 60 to 89 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total		16	2
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total		215	260
Loans Not Past Due		116,117	110,502
Loans		116,332	110,762
Commercial Real Estate [Member] | Greater Than 90 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]		260
Commercial Real Estate [Member] | 30 to 59 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total		191
Commercial Real Estate [Member] | 60 to 89 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total		24
Construction Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans Not Past Due		5,035	6,153
Loans		5,035	6,153
Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total		3,309	1,782
Loans Not Past Due		86,675	88,005
Loans		89,984	89,787
Loans 90 Days Past Due and Accruing		50	229
Residential Real Estate [Member] | Greater Than 90 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total	[1]	82	646
Residential Real Estate [Member] | 30 to 59 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total		3,070	1,027
Residential Real Estate [Member] | 60 to 89 Days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Total		$ 157	$ 109
[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
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524

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- Definition

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+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524

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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 50
-Paragraph 7A
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953401-111524

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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=82891408&loc=d3e4428-111522

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