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Net Income per Common Share (Tables)
 6 Months Ended
Jun. 30, 2018
Earnings Per Common Share  
Schedule of net income per common share

The calculation of net income per common share for the three months ended June 30, 2018 and 2017 was as follows.

 

   Three Months Ended
June 30,		   Six Months Ended
June 30,		 
(dollars and shares in thousands, except per share data)  2018   2017   2018   2017 
Basic:                
Net income  $37,296   $27,772   $73,011   $54,789 
Average common shares outstanding   34,306    34,129    34,283    34,099 
Basic net income per common share  $1.09   $0.81   $2.13   $1.61 
                     
Diluted:                    
Net income  $37,296   $27,772   $73,011   $54,789 
Average common shares outstanding   34,306    34,129    34,283    34,099 
Adjustment for common share equivalents   142    195    145    205 
Average common shares outstanding-diluted   34,448    34,324    34,428    34,304 
Diluted net income per common share  $1.08   $0.81   $2.12   $1.60 
                     
Anti-dilutive shares   —    7    —    7