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Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2012
Earnings Per Share  
Net income available to common shareholders and the weighted average number of common shares used to compute basic and diluted earnings per share

 

 
  For the Year Ended December 31,  
(in thousands, except per share data)
  2012   2011   2010  

Numerator:

                   

Net income

  $ 34,262   $ 18,298   $ 16,122  

Less: Net income allocated to participating securities

    (282 )   (97 )    
               

Net income available to common shareholders

  $ 33,980   $ 18,201   $ 16,122  
               

Denominator:

                   

Weighted average common shares outstanding

    20,391     20,151     19,883  

Weighted average dilutive securities

    781     842     899  
               

Weighted average common shares outstanding, diluted

    21,172     20,993     20,782  
               

Income per common share, basic

  $ 1.67   $ 0.90   $ 0.81  

Income per common share, diluted

    1.60     0.87     0.78