Annual report pursuant to Section 13 and 15(d)

Share-Based Compensation - Schedule of Stock Options Activity (Details)

v3.3.1.900
Share-Based Compensation - Schedule of Stock Options Activity (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Outstanding at January 1, 2015, Number of Options 93    
Outstanding at January 1, 2015, Weighted Average Exercise Price $ 35.81    
Outstanding at January 1, 2015, Weighted Average Remaining Contractual Term 3 months 6 days 9 months 22 days  
Outstanding at January 1, 2015, Aggregate Intrinsic Value $ 3,224    
Granted, Number of Options 0 0 0
Granted, Weighted Average Exercise Price $ 0.00    
Exercised, Number of Options (66)    
Exercised, Weighted Average Exercise Price $ 34.18    
Forfeited or Expired, Number of Options 0    
Forfeited or Expired, Weighted Average Exercise Price $ 0.00    
Outstanding at December 31, 2015, Number of Options 27 93  
Outstanding at December 31, 2015, Weighted Average Exercise Price $ 39.88 $ 35.81  
Outstanding at December 31, 2015, Weighted Average Remaining Contractual Term 3 months 6 days 9 months 22 days  
Outstanding at December 31, 2015, Aggregate Intrinsic Value $ 0 $ 3,224  
Exercisable at December 31, 2015, Number of Options 27    
Exercisable at December 31, 2015, Weighted Average Exercise Price $ 39.88    
Exercisable at December 31, 2015, Weighted Average Remaining Contractual Term 3 months 6 days    
Exercisable at December 31, 2015, Aggregate Intrinsic Value $ 0