XML 105 R84.htm IDEA: XBRL DOCUMENT v2.4.0.6
Stock-Based Compensation (Summary Of Stock Option Plan Activity) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Stock-Based Compensation [Abstract]      
Whole Shares, Outstanding at January 1, 2011 16,000    
Whole Shares, Exercised (16,000)    
Whole Shares, Outstanding at December 31, 2011 0 16,000  
Whole Shares, Exercisable at December 31, 2011 0    
Weighted Average Exercise Price, Outstanding at January 1, 2011 $ 4.35    
Weighted Average Exercise Price, Exercised $ 4.35    
Weighted Average Exercise Price, Outstanding at December 31, 2011 $ 0.00 $ 4.35  
Weighted Average Exercise Price, Exercisable at December 31, 2011 $ 0.00    
Weighted Average Remaining Contractual Term in Years, Outstanding at December 31, 2011 0.0    
Weighted Average Remaining Contractual Term in Years, Exercisable at December 31, 2011 0.0    
Aggregate Intrinsic Value, Exercised $ 2,805 $ 2,000 $ 500
Aggregate Intrinsic Value, Outstanding at December 31, 2011 0    
Aggregate Intrinsic Value, Exercisable at December 31, 2011 $ 0