Leases - Supplemental Balance Sheet Information (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Finance lease right-of-use assets, net:
Property and equipment, gross	$ 373,867
Accumulated depreciation	(45,412)
Property and equipment, net	328,455
Operating lease right-of-use assets	720,854
Total lease assets	1,049,309
Finance lease liabilities:
Current portion of debt	24,573
Long-term debt	218,106
Total finance lease liabilities	242,679
Operating lease liabilities:
Current portion of operating lease liabilities	92,523
Long-term operating lease liabilities	644,088
Total operating lease liabilities	736,611
Total lease liabilities	$ 979,290