Annual report pursuant to Section 13 and 15(d)

Share-Based Compensation - Schedule of Non-vested Share Activity (Details)

v3.3.1.900
Share-Based Compensation - Schedule of Non-vested Share Activity (Details) - Restricted Stock [Member] - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Non-vested at January 1, 2015, Shares 10,477    
Non-vested at January 1, 2015, Weighted Average Grant Date Fair Value Per Share $ 21.56    
Granted, Shares 19 550 18,860
Grants in Period, Weighted Average Grant Date Fair Value Per Share $ 70.43 $ 60.09 $ 21.89
Vested, Shares (2,804)    
Vested, Weighted Average Grant Date Fair Value Per Share $ 17.89    
Forfeited, Shares (156)    
Forfeited, Weighted Average Grant Date Fair Value Per Share $ 23.25    
Non-vested at December 31, 2015, Shares 7,536 10,477  
Non-vested at December 31, 2015, Weighted Average Grant Date Fair Value Per Share $ 22.80 $ 21.56