Investment Securities - Schedule of Securities Held to Maturity (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Amortized Cost	$ 44,590,841	$ 54,602,535
Unrealized Gains	605,174	637,615
Unrealized Losses	48,215	117,077
Estimated Fair Value	45,147,800	55,123,073
State and Municipal Securities [Member]
Amortized Cost	41,447,092	50,435,624
Unrealized Gains	527,632	508,109
Unrealized Losses	48,083	117,077
Estimated Fair Value	41,926,641	50,826,656
Residential Mortgage-Backed Securities [Member]
Amortized Cost	3,143,749	4,166,911
Unrealized Gains	77,542	129,506
Unrealized Losses	132	0
Estimated Fair Value	$ 3,221,159	$ 4,296,417

Amount of accumulated unrealized gain on investments in debt securities classified as held-to-maturity.

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- Definition

Amount of accumulated unrealized loss on investments in debt securities classified as held-to-maturity.

+ References

+ Details

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Amount before other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

+ References

No definition available.

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Fair value of investments in debt securities classified as held-to-maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563

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