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Stock-Based Compensation (Summary of Options Outstanding and Exercisable) (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Share Based Compensation Compensation [Abstract]        
Options Outstanding and Exercisable, Exercise Price (in USD per share) $ 21.55      
Options Outstanding, Number Outstanding 10,000 20,000 22,000 22,000
Weighted Average Remaining Contractual Life (in years) 9 months      
Options Outstanding, Weighted Average Exercise Price (in USD per share) $ 21.55 $ 21.59 $ 21.59 $ 21.59
Options Exercisable, Number Exercisable 10,000 20,000 22,000  
Options Exercisable, Weighted Average Exercise Price (in USD per share) $ 21.55 $ 21.59 $ 21.59