Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Operating Leases
Other assets, non-current	$ 57,609
Accrued liabilities and other	13,199	$ 0
Other long-term liabilities	43,275
Total operating lease liabilities	56,474
Finance Leases
Property and equipment, gross	117,483
Accumulated depreciation	(34,270)
Property and equipment, net	83,213
Total finance lease liabilities	$ 72,011
Weighted Average Remaining Lease Term
Weighted-average remaining lease term - finance leases	1 year 10 months 2 days
Weighted-average remaining lease term - operating leases	4 years 11 months 8 days
Weighted Average Discount Rate
Weighted-average discount rate - finance leases	5.40%
Weighted-average discount rate - operating leases	5.20%