Debt - Debt Maturities Schedule (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Year
2018	$ 0
2019	3,435,683
2020	3,264,822
2021	0
2022	1,845,000
2023 and thereafter	995,870
Total	9,541,375
Less: deferred financing costs, net	(66,544)
Less: unamortized fair value adjustment	(19,912)	$ (26,464)
Long-term debt	9,454,919
Mortgage Loans
Year
2018	0
2019	3,205,690
2020	3,264,822
2021	0
2022	0
2023 and thereafter	995,870
Total	7,466,382
Less: deferred financing costs, net	(56,682)	(28,075)
Less: unamortized fair value adjustment	0
Long-term debt	7,409,700	7,580,153
Term Loan Facility
Year
2018	0
2019	0
2020	0
2021	0
2022	1,500,000
2023 and thereafter	0
Total	1,500,000
Less: deferred financing costs, net	(9,862)
Less: unamortized fair value adjustment	0
Long-term debt	1,490,138
Convertible Senior Notes
Year
2018	0
2019	229,993
2020	0
2021	0
2022	345,000
2023 and thereafter	0
Total	574,993
Less: deferred financing costs, net	0
Less: unamortized fair value adjustment	(19,912)	$ (26,464)
Long-term debt	$ 555,081