Leases - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Operating expense
Lessee, Lease, Description [Line Items]
Short-term and variable lease expense	$ 563	$ 11,251	$ 9,367	$ 23,065
Minimum
Lessee, Lease, Description [Line Items]
Options to extend lease term	1 month
Maximum
Lessee, Lease, Description [Line Items]
Options to extend lease term	60 years