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		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator:
Net Income Available to Common Shareholders	$ 50,832	$ 61,047	$ 158,589	$ 188,529
Denominator:
Weighted Average Common Shares Outstanding - Basic	39,567,047	39,881,437	39,670,409	39,870,450
Dilutive Effect of Equity Based Awards (in shares)	191,162	199,482	178,386	218,449
Weighted Average Common Shares Outstanding - Diluted	39,758,209	40,080,919	39,848,795	40,088,899
Earnings Per Common Share:
Basic	$ 1.28	$ 1.53	$ 4.00	$ 4.73
Diluted	$ 1.28	$ 1.52	$ 3.98	$ 4.70
Antidilutive Stock Options and Restricted Stock Outstanding (in shares)		47,087		44,217