Summary of Significant Accounting Policies (Summary of Components of Other Comprehensive Earnings) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Summary of Significant Accounting Policies [Abstract]
Unrealized holding (losses) gains arising during the period, Pre-tax	$ 4,456,968	$ 1,576,968	$ 2,285,654	$ 3,443,053
Reclassification adjustment for (gains) losses included in net earnings, Pre-tax	(111,782)	(135,173)	(344,549)	(149,143)
Total other comprehensive (loss) earnings, Pre-tax	4,345,186	1,441,795	1,941,105	3,293,910
Unrealized holding (losses) gains arising during the period, Tax	(843,931)	(224,377)	(199,577)	(605,217)
Reclassification adjustment for (gains) losses included in net earnings, Tax	23,474	28,386	72,355	31,320
Total other comprehensive (loss) earnings, Tax	(820,457)	(195,991)	(127,222)	(573,897)
Unrealized holding (losses) gains arising during the period, After-tax	3,613,037	1,352,591	2,086,077	2,837,836
Reclassification adjustment for (gains) losses included in net earnings, After-tax	(88,308)	(106,787)	(272,194)	(117,823)
Total other comprehensive earnings (loss)	$ 3,524,729	$ 1,245,804	$ 1,813,883	$ 2,720,013