Short-Term Borrowed Funds - Summary of FHLB (Details) - USD ($)	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Debt Disclosure [Abstract]
Average balance during the year	$ 12,238,066	$ 8,119,161
Average interest rate during the year	1.83%	1.28%
Maximum month-end balance during the year	$ 22,114,286	$ 10,590,476

No definition available.

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- Definition

The calculated average balance outstanding for the year for all Federal Home Loan Bank advances as of the Balance Sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13(3)(a))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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- Definition

The calculated weighted average interest rate for Federal Home Loan Bank advances for the period ended as of the Balance Sheet date.

+ References

+ Details

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- Definition

The maximum balance outstanding at any month end during the period as of the Balance Sheet date.

+ References

+ Details

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