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Earnings Per Share (Tables)
9 Months Ended
Sep. 30, 2012
Earnings Per Share [Abstract]  
Computations of basic and diluted earnings per share

The computations of basic and diluted earnings per share for the Company are as follows (in thousands, except per share data):

 

                                 
    Three Months Ended
September 30,
    Nine Months Ended
September 30,
 
    2012     2011     2012     2011  

Numerator:

                               

Net income attributable to common shareholders

  $ 4,563     $ 4,099     $ 13,890     $ 12,745  
   

 

 

   

 

 

   

 

 

   

 

 

 

Denominator:

                               

Denominator for basic earnings per share — weighted-average shares

    11,827       11,886       11,778       11,824  

Effect of dilutive securities —

                               

Stock options

    101       125       114       183  
   

 

 

   

 

 

   

 

 

   

 

 

 

Denominator for diluted earnings per share — adjusted weighted-average shares

    11,928       12,011       11,892       12,007  
   

 

 

   

 

 

   

 

 

   

 

 

 

Earnings per share attributable to common shareholders:

                               

Basic

  $ 0.39     $ 0.35     $ 1.18     $ 1.08  
   

 

 

   

 

 

   

 

 

   

 

 

 

Diluted

  $ 0.38     $ 0.34     $ 1.17     $ 1.06