Leases - Supplemental Balance Sheet Information (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Finance lease right-of-use assets, net:
Property and equipment, gross	$ 374,494
Accumulated depreciation	(51,493)
Property and equipment, net	323,001
Operating lease right-of-use assets	697,461
Total lease assets	1,020,462
Finance lease liabilities:
Current portion of debt	34,603
Long-term debt	203,675
Total finance lease liabilities	238,278
Operating lease liabilities:
Current portion of operating lease liabilities	93,058
Long-term operating lease liabilities	620,570
Total operating lease liabilities	713,628
Total lease liabilities	$ 951,906