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Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2015
Earnings Per Share [Abstract]  
Schedule of calculation of basic and diluted earnings per share
The following table sets forth the computation of basic and diluted earnings per share for the three and six months ended June 30, 2015 and 2014.


Three Months Ended June 30,
 
Six Months Ended June 30,
 
2015
 
2014
 
2015
 
2014

 
 


 
 
 


Net income
$
7,461

 
$
10,255

 
$
13,773

 
$
18,881


 
 


 
 
 


Basic – weighted average shares outstanding
27,620

 
27,257

 
27,603

 
27,303


 
 


 
 
 


Effect of dilutive potential securities
237

 
496

 
236

 
500


 
 


 
 
 


Diluted – weighted average shares outstanding
27,857

 
27,753

 
27,839

 
27,803


 
 


 
 
 


Net income
 

 
 

 
 

 
 

Basic (per share)
$
0.27

 
$
0.38

 
$
0.50

 
$
0.69

Diluted (per share)
0.27

 
0.37

 
0.49

 
0.68