Annual report pursuant to Section 13 and 15(d)

Debt - Interest Expense (Details)

v3.6.0.2
Debt - Interest Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Debt Disclosure [Abstract]      
Total interest cost $ 841,022 $ 707,724 $ 580,236
Capitalized interest (484,122) (523,124) (403,204)
Total interest expense, net $ 356,900 $ 184,600 $ 177,032