Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease cost	$ 42,025	$ 23,681
Short-term lease cost	1,807	1,918
Total lease cost	$ 43,832	$ 25,599