Summary of Significant Accounting Policies (Summary of Components of Other Comprehensive Earnings) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Summary of Significant Accounting Policies [Abstract]
Unrealized holding (losses) gains arising during the period, Pre-tax	$ 764,541	$ 1,241,870	$ 1,291,868	$ 2,894,933
Reclassification adjustment for (gains) losses included in net earnings, Pre-tax	57,319	(13,970)	(387,462)	(138,218)
Total other comprehensive (loss) earnings, Pre-tax	821,860	1,227,900	904,406	2,756,715
Unrealized holding (losses) gains arising during the period, Tax	(259,944)	(422,236)	(439,235)	(984,277)
Reclassification adjustment for (gains) losses included in net earnings, Tax	(19,489)	4,750	131,737	46,994
Total other comprehensive (loss) earnings, Tax	(279,433)	(417,486)	(307,498)	(937,283)
Unrealized holding (losses) gains arising during the period, After-tax	504,597	819,634	852,633	1,910,656
Reclassification adjustment for (gains) losses included in net earnings, After-tax	37,830	(9,220)	(255,725)	(91,224)
Other comprehensive income (loss)	$ 542,427	$ 810,414	$ 596,908	$ 1,819,432