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Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2012
Stock-Based Compensation Tables  
Schedule of stock option plan
   
Number of
Options
   
Weighted-
Average
Exercise
Price
   
Weighted-
Average
Remaining
Contractual
Term
     
Aggregate
Intrinsic
Value
 
Outstanding at December 31, 2011
  50,900     $  34.31              
Options forfeited
  (11,392     32.97              
                         
Outstanding and exercisable at September 30, 2012
    39,508     $ 34.70    
2.3 years
    $ 0