Leases - Schedule of Lease Maturities (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Operating Leases
Remainder of 2019	$ 61,702
2020	122,781
2021	110,025
2022	103,561
2023	101,442
Thereafter	492,551
Total lease payments	992,062
Less: Interest	(255,451)
Present value of lease liabilities	736,611
Finance Leases
Remainder of 2019	23,619
2020	43,411
2021	45,934
2022	22,832
2023	11,891
Thereafter	414,104
Total lease payments	561,791
Less: Interest	(319,112)
Present value of lease liabilities	$ 242,679
Operating Leases
2019		$ 67,682
2020		64,237
2021		56,142
2022		52,759
2023		52,522
Thereafter		383,974
Total		$ 677,316