Leases - Lease-related Assets and Liabilities (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Operating leases:
Other assets	$ 24,362
Other current liabilities	4,134
Other liabilities	22,322
Total operating lease liabilities	26,456
Finance leases:
Property and equipment, net	59,696
Finance lease obligations—current	8,275
Finance lease obligations—net of current portion	53,611
Total finance lease liabilities	$ 61,886