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Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2013
Stock-Based Compensation  
Summary of the transactions pursuant to the stock option plans

 

 

 
  Number of
Shares
  Weighted
Average
Exercise
Price
  Weighted
Average
Remaining
Contractual
Term (in Years)
  Aggregate
Intrinsic
Value
 

Outstanding at December 31, 2011

    88,124   $ 6.44              

Granted

        n/a              

Exercised

    (81,023 ) $ 6.49              

Expired

        n/a              
                         

Outstanding at December 31, 2012

    7,101   $ 5.75              
                         

Granted

        n/a              
                         

Exercised

        n/a              
                         

Expired

        n/a              
                         

Vested and Exercisable at December 31, 2013

    7,101   $ 5.75     1.4   $ 144  
                         
                         
Summary of the status of the restricted stock units and changes during the period

 

 

Nonvested Shares
  Shares   Weighted
Average
Grant-Date
Fair Value
 

Nonvested at December 31, 2011

    669,000   $ 18.27  

Issued

    222,425     23.19  

Vested

    (154,800 )   18.25  

Forfeited

    (13,200 )   18.25  
             

Nonvested at December 31, 2012

    723,425     19.78  

Issued

    72,291     20.40  

Vested

    (90,965 )   21.84  

Forfeited

        n/a  
             

Nonvested at December 31, 2013

    704,751   $ 20.00