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Benefit Plans (Tables)
3 Months Ended
Mar. 31, 2013
Compensation and Retirement Disclosure [Abstract]  
Schedule Of Deferred Stock Option Plan [Table Text Block]

The following is an analysis of deferred stock rights and common stock related to the Directors Deferred Stock Plan for the three months ended March 31, 2013:

 

    Three months ended March 31, 2013  
    Deferred
Rights
    Common
Shares
 
             
Outstanding, beginning of period     46,876        
Granted     5,646          
Exercised              
                 
Outstanding, end of period     52,522