Earnings Per Share ("EPS") (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share [Abstract]
Net income available to common stockholders	$ 65,095	$ 67,407
Average common shares outstanding (in shares)	112,439	108,210
Average potential dilutive common shares (in shares)	588	445
Average diluted common shares (in shares)	113,027	108,655
Basic earnings per share (in dollars per share)	$ 0.58	$ 0.62
Diluted earnings per share (in dollars per share)	$ 0.58	$ 0.62