Leases - Maturity ASC 842 (Details) $ in Thousands	Mar. 31, 2020 USD ($)
Operating Leases
2020 (nine months)	$ 226,638
2021	289,775
2022	288,988
2023	290,107
2024	290,967
Thereafter	578,896
Total lease payments	1,965,371
Purchase option liability and non-cash gain on future sale of property	0
Imputed interest and variable lease payments	(508,734)
Total lease obligations	1,456,637
Financing Leases
2020 (nine months)	48,958
2021	65,943
2022	66,577
2023	67,334
2024	68,572
Thereafter	167,852
Total lease payments	485,236
Purchase option liability and non-cash gain on future sale of property	411,679
Imputed interest and variable lease payments	(315,354)
Total lease obligations	$ 581,561