Leases - Components of Lease Expense and Operating Lease Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Carryforward of historical lease classification	true
Determine the reasonably certain lease term for existing leases	true
Options to extend leases	true
Components of lease expense
Operating lease expense	$ 77,222	$ 53,415	$ 25,497
Operating lease liabilities
Accrued liabilities	$ 74,036
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued Liabilities, Current
Noncurrent operating lease liabilities, net of current portion	$ 171,225
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Noncurrent operating lease liabilities, net of current portion
Operating lease liabilities	$ 245,261
Maximum
Renewal term	5 years