Annual report pursuant to Section 13 and 15(d)

Stock Based Compensation - Options (Details)

v2.4.0.8
Stock Based Compensation - Options (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock Options, Vesting Percentage, After Year One 50.00%      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]        
Options outstanding, beginning 38,119 89,106 145,950  
Stock Options, granted 0 0 0  
Options exercised 0 (44,987) (51,081)  
Stock Options, expired/forfeited (28,119) (6,000) (5,763)  
Options outstanding, ending 10,000 38,119 89,106  
Stock Options, exercisable 10,000 38,119 89,106  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]        
Weighted average exercise price, beginning $ 33.09 $ 30.48 $ 27.69 $ 26.74
Stock Options, granted, weighted average exercise price $ 0.00 $ 0.00 $ 0.00  
Stock Options, exercised, weighted average exercise price $ 0.00 $ 25.61 $ 25.29  
Stock Options, expired/forfeited, weighted average exercise price $ 29.55 $ 25.61 $ 24.85  
Weighted average exercise price, ending $ 33.09 $ 30.48 $ 27.69 $ 26.74
Stock Options, weighted average exercise price $ 33.09 $ 30.48 $ 27.69  
Aggregate intrinsic value of outstanding exercisable shares $ 0      
Aggregate intrinsic value of options exercised   $ 100,000 $ 300,000  
Options forfeited 0 0 0  
Stock Options [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock Options, Expiration in Years 10 years      
Employee Stock Option [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]        
Weighted average exercise price, beginning $ 33.09      
Weighted average exercise price, ending $ 33.09      
Weighted average remaining contractual term, options outstanding (years) 1 year 0 months 0 days