Leases Schedule of Minimum Lease Payments (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Operating Lease Liabilities, Payments Due
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year	$ 121,795
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months	497,654
Lessee, Operating Lease, Liability, Payments, Due Year Two	474,292
Lessee, Operating Lease, Liability, Payments, Due Year Three	437,481
Lessee, Operating Lease, Liability, Payments, Due Year Four	390,993
Lessee, Operating Lease, Liability, Payments, Due Year Five	340,662
Lessee, Operating Lease, Liability, Payments, Due after Year Five	1,433,145
Lessee, Operating Lease, Liability, Payments, Due	3,696,022
Less Portion Representing Interest, Operating Lease Liability	(639,683)
Operating Lease, Liability	3,056,339
Finance Lease Liabilities, Payments, Due
Finance Lease, Liability, Payments, Remainder of Fiscal Year	8,384
Finance Lease, Liability, Payments, Due Next Twelve Months	38,411
Finance Lease, Liability, Payments, Due Year Two	33,950
Finance Lease, Liability, Payments, Due Year Three	34,369
Finance Lease, Liability, Payments, Due Year Four	34,511
Finance Lease, Liability, Payments, Due Year Five	34,540
Finance Lease, Liability, Payments, Due after Year Five	183,786
Finance Lease, Liability, Payment, Due	367,951
Less Portion Representing Interest, Finance Lease Liability	(87,813)
Finance Lease, Liability	$ 280,138	$ 282,737
Operating Leases Liabilities, Future Payments, Due
Operating Leases, Future Minimum Payments Due, Next Twelve Months		483,488
Operating Leases, Future Minimum Payments, Due in Two Years		462,154
Operating Leases, Future Minimum Payments, Due in Three Years		432,950
Operating Leases, Future Minimum Payments, Due in Four Years		395,462
Operating Leases, Future Minimum Payments, Due in Five Years		349,649
Operating Leases, Future Minimum Payments, Due Thereafter		1,589,949
Operating Leases, Future Minimum Payments Due		3,713,652
Capital Leases Liabilities, Future Payments, Due
Capital Leases, Future Minimum Payments Due, Next Twelve Months		36,754
Capital Leases, Future Minimum Payments Due in Two Years		41,044
Capital Leases, Future Minimum Payments Due in Three Years		34,026
Capital Leases, Future Minimum Payments Due in Four Years		33,690
Capital Leases, Future Minimum Payments Due in Five Years		33,845
Capital Leases, Future Minimum Payments Due Thereafter		194,611
Capital Leases, Future Minimum Payments Due		373,970
Capital Leases, Future Minimum Payments, Interest Included in Payments		(91,233)
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments		$ 282,737