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Earnings Per Common Share (Tables)
6 Months Ended
Jun. 30, 2020
Earnings Per Common Share  
Schedule of computation of earnings per common share

Earnings per common share have been computed as follows (in thousands, except per share data):

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​

​

​

​

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​

​

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​

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Three Months Ended

​

Six Months Ended

​

​

June 30, 

​

June 30, 

​

    

2020

    

2019

    

2020

    

2019

Net income

​

$

25,806

​

$

24,085

​

$

41,170

​

$

49,554

Shares:

​

​

​

​

​

​

​

​

​

​

​

​

Weighted average common shares outstanding

​

 

54,489

​

 

55,638

​

 

54,576

​

 

54,464

Dilutive effect of outstanding options, warrants and restricted

stock units as determined by the application of the treasury

stock method

​

 

216

​

 

303

​

 

231

​

 

300

​

​

​

​

​

​

​

​

​

​

​

​

​

Weighted average common shares outstanding, as adjusted for

diluted earnings per share calculation

​

 

54,705

​

 

55,941

​

 

54,807

​

 

54,764

​

​

​

​

​

​

​

​

​

​

​

​

​

Basic earnings per common share

​

$

0.47

​

$

0.43

​

$

0.75

​

$

0.91

​

​

​

​

​

​

​

​

​

​

​

​

​

Diluted earnings per common share

​

$

0.47

​

$

0.43

​

$

0.75

​

$

0.90