Investment Securities - Schedule of Activity of Security Sales by Intention (Details) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Investment Securities - Schedule Of Activity Of Security Sales By Intention
Proceeds from sale of available-for-sale securities	$ 0	$ 2,540,000	$ 0	$ 2,676,211
Gross gains on sale of available-for-sale securities	0	42,604	0	166,815
Gross losses on sale of available-for-sale securities	0	0	0	0
Net gains on sales of available for sale securities	$ 0	$ 42,604	$ 0	$ 166,815

No definition available.

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- Definition

This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

+ References

No definition available.

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- Definition

This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

+ References

No definition available.

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- Definition

Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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- Definition

The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.

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