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Earnings Per Share
9 Months Ended
Sep. 30, 2022
Earnings Per Share [Abstract]  
Earnings Per Share Earnings per Common Share
The following table presents the calculations of earnings per common share ("EPS") on a basic and diluted basis:

Quarter ended September 30,Nine months ended September 30,
(in thousands, except per share amounts)2022202120222021
Net income available to common stockholders:$40,225 71,405 131,475 297,805 
Weighted average common shares outstanding:
Weighted average common shares outstanding - basic60,40460,23160,40960,161
Effect of dilutive securities - stock compensation plans431355420348
Weighted average common shares outstanding - diluted60,83560,58660,82960,509
EPS:
Basic$0.67 1.19 2.18 4.95 
Diluted0.66 1.18 2.16 4.92