Earnings Per Share (Details) - USD ($)		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Basic Earnings Per Share
Net income		$ 122,549,041	$ 104,725,412	$ 316,820,194	$ 311,459,076
Less: Dividends and undistributed earnings allocated to participating securities		1,604,095	1,537,105	4,418,133	4,636,523
Net Income available to common shareholders		$ 120,944,946	$ 103,188,307	$ 312,402,061	$ 306,822,553
Basic weighted average shares outstanding (in shares)		226,002,347	230,047,014	226,646,541	229,866,008
Net income per share - Basic (in dollars per share)	[1]	$ 0.54	$ 0.45	$ 1.38	$ 1.33
Diluted Earnings Per Share
Allocation of Net Income used in basic computation		$ 120,944,946	$ 103,188,307	$ 312,402,061	$ 306,822,553
Reallocation of undistributed earnings		1,288	1,978	5,183	4,577
Net Income available to common shareholders - Diluted		$ 120,946,234	$ 103,190,285	$ 312,407,244	$ 306,827,130
Number of shares used in basic computation (in shares)		226,002,347	230,047,014	226,646,541	229,866,008
Additional weighted average dilutive common stock equivalents (in shares)		239,337	410,397	363,391	315,666
Diluted weighted average shares outstanding (in shares)		226,241,684	230,457,411	227,009,932	230,181,674
Net Income per share - Diluted (in dollars per share)	[1]	$ 0.53	$ 0.45	$ 1.38	$ 1.33
Shares related to stock plans not included in diluted average common shares outstanding because their effect would be anti-dilutive (in shares)		1,619,446	1,384,066	625,410	1,410,341

[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.