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Net Income per Common Share (Tables)
3 Months Ended
Mar. 31, 2022
Earnings Per Share [Abstract]  
Schedule of calculation of net income per common share
The calculation of net income per common share for the three months ended March 31, 2022 and 2021 was as follows:
Three Months Ended March 31,
(dollars and shares in thousands, except per share data)20222021
Basic:
Net income$45,744 $43,469 
Average common shares outstanding32,033 31,870 
Basic net income per common share$1.43 $1.36 
Diluted:
Net income$45,744 $43,469 
Average common shares outstanding32,033 31,870 
Adjustment for common share equivalents77 53 
Average common shares outstanding-diluted32,110 31,923 
Diluted net income per common share$1.42 $1.36 
Anti-dilutive shares—