Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Deferred tax assets:
Accruals	$ 11,466	$ 5,781	$ 2,620
Intangibles	0	0	156
Deferred revenue	107,221	35,026	19,948
Net operating loss carryforwards	505,668	76,509	37,525
Tax credit carryforwards	65,855	17,052	9,035
Stock-based compensation	35,368	3,891	2,731
Operating lease liability	56,897	0	0
Interest	1,556	0	0
Other	1,369	766	69
Total gross deferred tax asset	785,400	139,025	72,084
Less: valuation allowance	(711,297)	(122,328)	(64,435)
Net deferred tax assets	74,103	16,697	7,649
Deferred tax liabilities:
Fixed Assets	(13,889)	(10,934)	(7,649)
Intangible Assets	(9,060)	(5,763)	0
Operating lease right-of-use asset	(51,154)	0	0
Total deferred tax liabilities	(74,103)	(16,697)	(7,649)
Net deferred tax assets (liabilities)	0	0	0
Net deferred tax assets (liabilities)	$ 0	$ 0	$ 0