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Share Based Compensation (Tables)
6 Months Ended
Jun. 30, 2012
Fair Values of all Options Granted Estimated Using Binomial Option-Pricing Model with Weighted-average Assumptions

The fair values of all of the options granted for the periods indicated have been estimated using a binomial option-pricing model with the weighted-average assumptions for the periods shown are presented in the following table:

 

    Six Months Ended June 30,  
    2012     2011  
Dividend yield     2.17 %     1.72 %
Weighted average expected volatility     50.90 %     46.87 %
Weighted average risk-free interest rate     1.14 %     2.58 %
Weighted average expected lives (in years)     5.35       5.70  
Weighted average grant-date fair value   $ 7.85     $ 7.76  
Summary of share option activity

A summary of share option activity for the period indicated is reflected in the following table:

                Weighted        
    Number     Weighted     Average     Aggregate  
    of     Average     Contractual     Intrinsic  
    Common     Exercise     Remaining     Value  
    Shares     Share Price     Life(Years)     (in thousands)  
Balance at January 1, 2012     635,197     $ 31.42             $ 406  
Granted     20,633     $ 19.02             $ -  
Exercised     (1,217 )   $ 12.84             $ 6  
Forfeited or expired     (20,700 )   $ 33.63             $ 6  
Balance at June 30, 2012     633,913     $ 30.98       2.3     $ 435  
                                 
Exercisable at June 30, 2012     578,850     $ 32.21       1.9     $ 403  
                                 
Weighted average fair value of options                                
granted during the year           $ 7.85                  
Summary of Activity for Company's Non-Vested Options

A summary of the activity for the Company’s non-vested options for the period indicated is presented in the following table:

 

          Weighted  
          Average  
    Number     Grant-Date  
(In dollars, except share data):   of Shares     Fair Value  
Non-vested options at January 1, 2012     79,640     $ 6.33  
Granted     20,633     $ 7.85  
Vested     (42,147 )   $ 5.44  
Forfeited or expired     (3,063 )   $ 6.69  
Non-vested options at June 30, 2012     55,063     $ 7.56  
Summary of Activity for Company's Restricted Stock

A summary of the activity for the Company’s restricted stock for the period indicated is presented in the following table:

          Weighted  
          Average  
    Number     Grant-Date  
(In dollars, except share data):   of Shares     Fair Value  
Restricted stock  at January 1, 2012     206,313     $ 16.37  
Granted     83,807     $ 19.02  
Vested     (59,165 )   $ 16.15  
Forfeited or expired     (5,494 )   $ 16.78  
Restricted stock at June 30, 2012     225,461     $ 17.40