Earnings Per Common Share - Schedule of Reconciliation of Weighted Average Number of Common Shares Used in the Calculation of Basic and Diluted Earnings Per Common Share and Antidilutive Stock Options and Restricted Stock Outstanding (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Net Income Available to Common Shareholders	$ 54,893	$ 67,533	$ 107,758	$ 127,482
Denominator:
Weighted Average Common Shares Outstanding - Basic	39,693,593	39,902,583	39,722,985	39,865,268
Dilutive Effect of Equity Based Awards (in shares)	149,015	220,322	173,715	231,259
Weighted Average Common Shares Outstanding - Diluted	39,842,608	40,122,905	39,896,700	40,096,527
Earnings Per Common Share:
Basic	$ 1.38	$ 1.69	$ 2.71	$ 3.20
Diluted	$ 1.38	$ 1.68	$ 2.70	$ 3.18
Antidilutive Stock Options and Restricted Stock Outstanding (in shares)	201,422	45,909	160,670	95,389