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Earnings Per Share
3 Months Ended
Mar. 31, 2023
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 March 31,
(in thousands, except per share amounts)20232022
Net income available to common stockholders:$90,274 54,030 
Weighted average common shares outstanding:
Weighted average common shares outstanding - basic60,53660,384
Effect of dilutive securities - stock compensation plans372440
Weighted average common shares outstanding - diluted60,90860,824
EPS:
Basic$1.49 0.89 
Diluted1.48 0.89