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	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Numerator:
Net Income Available to Common Shareholders	$ 250,397	$ 153,804	$ 225,913
Denominator:
Weighted Average Common Shares Outstanding - Basic	39,837,798	39,726,210	40,384,328
Dilutive Effect of Equity Based Awards (in shares)	215,866	165,897	265,242
Weighted Average Common Shares Outstanding - Diluted	40,053,664	39,892,107	40,649,570
Earnings Per Common Share:
Basic	$ 6.29	$ 3.87	$ 5.59
Diluted	$ 6.25	$ 3.86	$ 5.56
Antidilutive Stock Options and Restricted Stock Outstanding (in shares)	41,802	113,410	4,905