Operating and Finance Lease Liabilities - Other information related to the operating leases (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Lessee, Operating Lease, Description [Abstract]
Cash payments	$ 16,081	$ 9,674
Weighted average remaining lease term (in years)	5 years 9 months 25 days	4 years 4 months 2 days
Weighted average discount rate (as a percent)	11.40%	12.10%