Goodwill and Other Intangible Assets (Schedule of Goodwill) (Details) - USD ($)		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Goodwill [Roll Forward]
Balance as of December 31, 2020	[1]	$ 311,922,787
Acquisitions			$ 2,758,721
Divestitures			0
Impairments			0
Other			0
Balance as of March 31, 2021		$ 314,681,508	$ 314,681,508

[1] The condensed consolidated balance sheet at December 31, 2020 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.