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Stock-Based Compensation (Summary Of Options Outstanding) (Details) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Stock-Based Compensation [Abstract]        
Shares, Outstanding, beginning of year 22,000   22,000 22,000
Shares, Forfeited (2,000)      
Shares, Outstanding, end of year 20,000   22,000 22,000
Shares, Exercisable, end of year 20,000 22,000 22,000  
Weighted Average Exercise Price, Outstanding, beginning of year $ 21.59   $ 21.59 $ 21.59
Weighted Average Exercise Price, Forfeited $ 21.59      
Weighted Average Exercise Price, Outstanding, end of year $ 21.59   $ 21.59 $ 21.59
Weighted Average Exercise Price, Exercisable, end of year $ 21.59 $ 21.59 $ 21.59