Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation (Details)

v3.5.0.2
Share-Based Compensation (Details) - USD ($)
$ in Thousands, shares in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Share-based Compensation Expense, Net Components        
Total share-based compensation $ 40,535 $ 68,665 $ 58,060 $ 86,655
Capitalized share-based compensation (4,982) (18,427) (6,336) (20,277)
Total share-based compensation expense 35,553 50,238 51,724 66,378
Share-based compensation, unrecognized compensation 154,500   $ 154,500  
Share-based compensation, unrecognized compensation, period for recognition     1 year 10 months 1 day  
Proceeds from exercise of stock options 0 $ 900 $ 0 1,914
Separated Employees [Member]        
Share-based Compensation Expense, Net Components        
Total share-based compensation $ 15,600     $ 22,100
2003 Incentive Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of Shares Authorized 21.0   21.0  
Number of Shares Granted Plan-to-Date, Net of Cancellations 21.0   21.0  
2011 Incentive Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of Shares Authorized 35.0   35.0  
Number of Shares Granted Plan-to-Date, Net of Cancellations 26.8   26.8  
2015 Incentive Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of Shares Granted Plan-to-Date, Net of Cancellations 6.1   6.1  
2015 Inducement Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of Shares Authorized 1.0   1.0  
Number of Shares Granted Plan-to-Date, Net of Cancellations 0.2   0.2