XML 14 R48.htm IDEA: XBRL DOCUMENT v2.4.0.8
Share-Based Compensation (Summary of Stock Option Activity) (Details) (USD $)
 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Shares [Roll Forward]    
Outstanding, beginning of period (in shares) 1,398,079.5  
Granted (in shares) 21,000  
Exercised (in shares) (91,455)  
Forfeited or Expired (in shares) (30,750.00)  
Outstanding, end of period (in shares) 1,296,875  
Exercisable, end of period (in shares) 724,501 731,442
Weighted Average Exercise Price [Roll Forward]    
Outstanding, beginning of period (weighted average exercise price) $ 7.23  
Granted (weighted average exercise price) $ 19.06  
Exercised (weighted average exercise price) $ 6.91  
Forfeited or Expired (weighted average exercise price) $ 12.07  
Outstanding, end of period (weighted average exercise price) $ 7.33  
Exercisable, end of period (weighted average exercise price) $ 6.22 $ 5.72