XML 62 R72.htm IDEA: XBRL DOCUMENT v2.4.0.8
Stock-Based Compensation Plans (Schedule of Stock Options Activity) (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Outstanding, beginning of period, shares 666,871 1,276,158  
Options granted, shares 0 0  
Options exercised, shares (171,100) (173,688)  
Options forfeited or expired, shares (139,275) (435,599)  
Outstanding, end of period, shares 356,496 666,871 1,276,158
Options, exerciseable, end of period, shares 356,496    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]      
Outstanding, beginning of period, weighted-average exercise price per share (in USD per share) $ 5.93 $ 7.75  
Options granted, weighted-average exercise price per share (in USD per share) $ 0.00 $ 0.00  
Options exercised, weighted-average exercise price per share (in USD per share) $ 3.50 $ 3.55  
Options forfeited or expired, weighted-average exercise price per share (in USD per share) $ 6.25 $ 12.22  
Outstanding, end of period, weighted-average exercise price per share (in USD per share) $ 6.96 $ 5.93 $ 7.75
Exercisable, end of period, weighted-average exercise price per share (in USD per share) $ 6.96    
Outstanding, end of period, weighted-average remaining contractual term 1 year 1 year 4 months 25 days 2 years 10 months 24 days
Exercisable, end of period, weighted-average remaining contractual term 1 year    
Outstanding, end of period, aggregate intrinsic value $ 360 $ 132,348 $ 700,294
Exercisable, end of period, aggregate intrinsic value $ 360