Goodwill and Other Intangible Assets (Schedule of Goodwill) (Details)	6 Months Ended
	Jun. 30, 2021 USD ($)
Goodwill [Roll Forward]
Balance as of December 31, 2020	$ 311,922,787	[1]
Acquisitions	0
Divestitures	0
Impairments	0
Other	0
Balance as of June 30, 2021	$ 311,922,787

[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.