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Computation of Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2014
Earnings Per Share [Abstract]  
Summary of Calculation of Basic Earnings Per Common Share and Diluted Earnings Per Common Share

The calculation of basic earnings per common share and diluted earnings per common share was as follows (in thousands, except per share amounts):

 

     First Quarter  
     2014      2013  

Numerator:

     

Net income

   $ 8,576      $ 9,155  
  

 

 

    

 

 

 

Denominator:

     

Denominator for basic earnings per share–weighted average common shares

     24,382        23,985  

Effect of dilutive stock options

     244        303  

Effect of other common stock equivalents

     735        660  
  

 

 

    

 

 

 

Denominator for diluted earnings per share–adjusted weighted average common shares

     25,361        24,948  
  

 

 

    

 

 

 

Basic Earnings Per Share

   $ 0.35      $ 0.38  
  

 

 

    

 

 

 

Diluted Earnings Per Share

   $ 0.34      $ 0.37