Earnings Per Share (Details) - USD ($)		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Basic Earnings Per Share
Net income		$ 104,725,412	$ 72,655,995	$ 311,459,076	$ 232,589,023
Less: Dividends and undistributed earnings allocated to participating securities		1,537,105	1,096,274	4,636,523	3,563,605
Net Income available to common shareholders		$ 103,188,307	$ 71,559,721	$ 306,822,553	$ 229,025,418
Basic weighted average shares outstanding (in shares)		230,047,014	231,316,879	229,866,008	231,072,421
Net income per share - Basic (in dollars per share)	[1]	$ 0.45	$ 0.31	$ 1.33	$ 0.99
Diluted Earnings Per Share
Allocation of Net Income used in basic computation		$ 103,188,307	$ 71,559,721	$ 306,822,553	$ 229,025,418
Reallocation of undistributed earnings		1,978	848	4,577	4,412
Net Income available to common shareholders - Diluted		$ 103,190,285	$ 71,560,569	$ 306,827,130	$ 229,029,830
Number of shares used in basic computation (in shares)		230,047,014	231,316,879	229,866,008	231,072,421
Additional weighted average dilutive common stock equivalents (in shares)		410,397	300,138	315,666	457,032
Diluted weighted average shares outstanding (in shares)		230,457,411	231,617,017	230,181,674	231,529,453
Net Income per share - Diluted (in dollars per share)	[1]	$ 0.45	$ 0.31	$ 1.33	$ 0.99
Shares related to stock plans not included in diluted average common shares outstanding because their effect would be anti-dilutive (in shares)		1,384,066	2,456,463	1,410,341	1,526,986

[1] (1) Earnings Per Share has been adjusted to exclude the portion of net income allocated to participating securities as a result of share-based payment awards.