Summary of Significant Accounting Policies (Summary of Components of Other Comprehensive Earnings) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Summary of Significant Accounting Policies [Abstract]
Unrealized holding (losses) gains arising during the period, Pre-tax	$ 1,576,968	$ (74,733)	$ 3,443,053	$ (2,222,069)
Reclassification adjustment for (gains) losses included in net earnings, Pre-tax	(135,173)	29,930	(149,143)	(1,072,200)
Total other comprehensive (loss) earnings, Pre-tax	1,441,795	(44,803)	3,293,910	(3,294,269)
Unrealized holding (losses) gains arising during the period, Tax	(224,377)	15,692	(605,217)	466,634
Reclassification adjustment for (gains) losses included in net earnings, Tax	28,386	(6,285)	31,320	225,162
Total other comprehensive (loss) earnings, Tax	(195,991)	9,407	(573,897)	691,796
Unrealized holding (losses) gains arising during the period, After-tax	1,352,591	(59,041)	2,837,836	(1,755,435)
Reclassification adjustment for (gains) losses included in net earnings, After-tax	(106,787)	23,645	(117,823)	(847,038)
Total other comprehensive (loss) earnings	$ 1,245,804	$ (35,396)	$ 2,720,013	$ (2,602,473)