Leases - Schedule of Lease Cost (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Lease Cost
Operating lease cost	$ 9,597	$ 1,346
Total lease cost	9,597	1,346
Operating cash flows from operating leases	9,593	$ 1,320
Operating lease liabilities arising from obtaining right-of-use assets	$ 1,376
Weighted-average remaining lease term	5 years	8 years
Weighted-average discount rate	12.00%	17.50%