Leases - Balance Sheet Classification of Lease Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Leases [Abstract]
Property and equipment, net	$ 445,336
Property and equipment, net			$ 640,952
Total finance lease assets	445,336
Total finance lease assets			640,952
Capital lease obligations, current portion			9,817
Other current liabilities	38,795
Other current liabilities			5,271
Capital lease obligations, excluding current portion			19,658
Construction financing lease obligation, excluding current portion			561,892
Long-term finance lease liabilities	538,576	$ 569,487
Present value of lease liabilities	577,371
Total finance lease liabilities			$ 596,638
Total operating lease assets	88,202
Other current liabilities	11,504
Long-term operating lease liabilities	84,292
Present value of lease liabilities	$ 95,796