Summary of Significant Accounting Policies (Summary of Components of Other Comprehensive Earnings) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Summary of Significant Accounting Policies [Abstract]
Unrealized holding (losses) gains arising during the period, Pre-tax	$ (748,597)	$ 625,124	$ (2,188,767)	$ 3,265,728
Reclassification adjustment for (gains) losses included in net earnings, Pre-tax	(113,397)	(67,101)	(123,271)	(411,651)
Total other comprehensive (loss) earnings, Pre-tax	(861,994)	558,023	(2,312,038)	2,854,077
Unrealized holding (losses) gains arising during the period, Tax	157,205	(131,276)	459,641	(685,803)
Reclassification adjustment for (gains) losses included in net earnings, Tax	23,814	14,091	25,887	86,447
Total other comprehensive (loss) earnings, Tax	181,019	(117,185)	485,528	(599,356)
Unrealized holding (losses) gains arising during the period, After-tax	(591,392)	493,848	(1,729,126)	2,579,925
Reclassification adjustment for (gains) losses included in net earnings, After-tax	(89,583)	(53,010)	(97,384)	(325,204)
Net current period other comprehensive (loss) earnings	$ (680,975)	$ 440,838	$ (1,826,510)	$ 2,254,721