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Accounting For Stock-Based Compensation (Schedule Of Stock Option Activity) (Details) (USD $)
9 Months Ended
Sep. 30, 2012
Accounting For Stock-Based Compensation [Abstract]  
Options Outstanding, Outstanding, December 31, 2011 515,987
Options Outstanding, Granted 105,833
Options Outstanding, Exercised   
Options Outstanding, Expired (130,500)
Options Outstanding, Forfeited (4,687)
Options Outstanding, Outstanding, September 30, 2012 486,633
Options Outstanding, Exercisable, September 30, 2012 281,693
Weighted-Average Exercise Price Per Share, Outstanding, December 31, 2011 $ 10.07
Weighted-Average Exercise Price Per Share, Granted $ 7.30
Weighted-Average Exercise Price Per Share, Exercised   
Weighted-Average Exercise Price Per Share, Expired $ 12.19
Weighted-Average Exercise Price Per Share, Forfeited $ 7.22
Weighted-Average Exercise Price Per Share, Outstanding, September 30, 2012 $ 8.92
Weighted-Average Exercise Price Per Share, Exercisable, September 30, 2012 $ 9.88