Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018	[1]
Right of use assets:
Total right of use assets, net	$ 550,342
Lease liabilities:
Operating leases	360,298
Financing leases	108,731
Total	$ 469,029	$ 70,668
Weighted average remaining lease term (years):
Operating leases	50 years
Finance leases	15 years 9 months 18 days
Weighted average discount rate:
Operating leases	5.21%
Finance leases	5.17%
Real Estate
Right of use assets:
Operating leases	$ 386,061
Finance leases	164,281
Corporate
Right of use assets:
Operating leases	5,055
Real Estate and Corporate
Right of use assets:
Total right of use assets, net	$ 555,397

[1] The consolidated balance sheet at December 31, 2018 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements.