Summary of Significant Accounting Policies (Summary of Components of Other Comprehensive Earnings) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Summary of Significant Accounting Policies [Abstract]
Unrealized holding (losses) gains arising during the period, Pre-tax	$ 527,327	$ 1,653,064
Reclassification adjustment for (gains) losses included in net income, Pre-tax	(444,781)	(124,248)
Total other comprehensive (loss) earnings, Pre-tax	82,546	1,528,816
Unrealized holding (losses) gains arising during the period, Tax	(179,291)	(562,042)
Reclassification adjustment for (gains) losses included in net income, Tax	151,226	42,244
Total other comprehensive (loss) earnings, Tax	(28,065)	(519,798)
Unrealized holding (losses) gains arising during the period, After-tax	348,036	1,091,022
Reclassification adjustment for (gains) losses included in net income, After-tax	(293,555)	(82,004)
Other comprehensive income (loss)	$ 54,481	$ 1,009,018