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Stock-Based Compensation (Stock Appreciation Rights) (Details) (SARs, USD $)
9 Months Ended
Sep. 30, 2014
Dec. 31, 2013
Stock Appreciation Rights    
Shares outstanding 21,292 21,292
Number of Common Shares Subject to SARs Outstanding & Exercisable 21,292  
Weighted- Average Remaining Contractual Life 2 years 9 months 1 day  
Outstanding shares, weighted-average exercise price $ 25.96 $ 25.96
Forfeited 0  
Forfeited $ 0.00  
Shares outstanding, weighted-average remaining contractual life 2 years 9 months 1 day  
Shares outstanding, aggregate intrinsic value $ 1,000  
Shares exercisable 21,292  
Shares exercisable, weighted-average exercise price $ 25.96  
Shares exercisable, weighted-average remaining contractual life 2 years 9 months 1 day  
Shares exercisable, aggregate intrinsic value $ 1,000  
Exercise Price $23.26
   
Stock Appreciation Rights    
Exercise Price $ 23.26  
Number of Common Shares Subject to SARs Outstanding & Exercisable 2,000  
Weighted- Average Remaining Contractual Life 2 years 9 months 1 day  
Exercise Price $23.77
   
Stock Appreciation Rights    
Exercise Price $ 23.77  
Number of Common Shares Subject to SARs Outstanding & Exercisable 10,582  
Weighted- Average Remaining Contractual Life 3 years 2 months 1 day  
Exercise Price $29.25
   
Stock Appreciation Rights    
Exercise Price $ 29.25  
Number of Common Shares Subject to SARs Outstanding & Exercisable 8,710  
Weighted- Average Remaining Contractual Life 2 years 4 months 1 day