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Loans and Allowance for Loan Losses - Schedule of Risk Categories by Loan Class (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	$ 434,054	$ 425,769
One-To-Four Family Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	136,829	136,846
Construction and Land [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	15,898	13,738
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	120,818	118,200
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	50,944	54,506
Agriculture [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	84,101	78,324
Municipal [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	3,479	3,884
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	21,985	20,271
Loans Receivables Non Classified [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	418,702	409,128
Loans Receivables Non Classified [Member] | One-To-Four Family Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	136,064	135,640
Loans Receivables Non Classified [Member] | Construction and Land [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	15,112	13,138
Loans Receivables Non Classified [Member] | Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	115,000	111,641
Loans Receivables Non Classified [Member] | Commercial [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	47,685	51,080
Loans Receivables Non Classified [Member] | Agriculture [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	79,430	73,564
Loans Receivables Non Classified [Member] | Municipal [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	3,479	3,884
Loans Receivables Non Classified [Member] | Consumer [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	21,932	20,181
Loans Receivables Classified [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	15,352	16,641
Loans Receivables Classified [Member] | One-To-Four Family Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	765	1,206
Loans Receivables Classified [Member] | Construction and Land [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	786	600
Loans Receivables Classified [Member] | Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	5,818	6,559
Loans Receivables Classified [Member] | Commercial [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	3,259	3,426
Loans Receivables Classified [Member] | Agriculture [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	4,671	4,760
Loans Receivables Classified [Member] | Municipal [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total
Loans Receivables Classified [Member] | Consumer [Member]
Financing Receivable, Modifications [Line Items]
Loans and Leases Receivable, Gross, Total	$ 53	$ 90

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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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