Summary of Significant Accounting Policies (Summary of Components of Other Comprehensive Earnings) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Summary of Significant Accounting Policies [Abstract]
Unrealized holding (losses) gains arising during the period, Pre-tax	$ 890,152	$ 284,725	$ 4,333,205	$ (1,937,344)
Reclassification adjustment for (gains) losses included in net earnings, Pre-tax	(89,262)	(15,029)	(238,405)	(1,087,229)
Total other comprehensive (loss) earnings, Pre-tax	800,890	269,696	4,094,800	(3,024,573)
Unrealized holding (losses) gains arising during the period, Tax	(116,415)	(59,794)	(721,632)	406,840
Reclassification adjustment for (gains) losses included in net earnings, Tax	18,745	3,157	50,065	228,319
Total other comprehensive (loss) earnings, Tax	(97,670)	(56,637)	(671,567)	635,159
Unrealized holding (losses) gains arising during the period, After-tax	773,737	224,931	3,611,573	(1,530,504)
Reclassification adjustment for (gains) losses included in net earnings, After-tax	(70,517)	(11,872)	(188,340)	(858,910)
Total other comprehensive (loss) earnings	$ 703,220	$ 213,059	$ 3,423,233	$ (2,389,414)