Summary of Significant Accounting Policies (Summary of Components of Other Comprehensive Earnings) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Summary of Significant Accounting Policies [Abstract]
Unrealized holding losses arising during the period, Pre-tax	$ (6,280,235)	$ (2,817,092)
Reclassification adjustment fo gains included in net earnings, Pre-tax	(9,727)	(1,290)
Total other comprehensive loss, Pre-tax	(6,289,962)	(2,818,382)
Unrealized holding losses arising during the period, Tax	1,318,850	591,589
Reclassification adjustment for gains included in net earnings, Tax	2,043	271
Total other comprehensive loss, Tax	1,320,893	591,860
Unrealized holding losses arising during the period, After-tax	(4,961,385)	(2,225,503)
Reclassification adjustment for gains included in net earnings, After-tax	(7,684)	(1,019)
Net current period other comprehensive loss	$ (4,969,069)	$ (2,226,522)