Quarterly report pursuant to Section 13 or 15(d)

Debt - Interest Expense (Details)

v3.5.0.2
Debt - Interest Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Debt Instrument [Line Items]        
Total interest cost $ 340,769 $ 285,955 $ 951,269 $ 707,824
Capitalized interest (192,716) (192,389) (620,912) (469,160)
Total interest expense, net 148,053 93,566 330,357 238,664
Convertible Debt [Member]        
Debt Instrument [Line Items]        
Interest per contractual rate 51,000 46,782 149,893 97,991
Amortization of debt discount 6,593 7,233 24,578 20,948
Amortization of debt issuance costs 1,362 1,133 3,766 1,748
Total interest cost 58,955 55,148 178,237 120,687
Debt Excluding Convertible Debt [Member]        
Debt Instrument [Line Items]        
Total interest cost $ 281,814 $ 230,807 $ 773,032 $ 587,137