Income Taxes - Summary of Deferred Taxes Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Net operating loss carryforwards	$ 277,559	$ 434,020	$ 174,127
Tax credit carryforwards	64,157	74,336	37,455
Capitalized research and development costs	185,462	162,601	0
Accrued expenses	616	1,330	2,690
Deferred revenue	36,225	46,798	45,928
Stock-based compensation	83,037	124,126	318,049
Amortizable intangibles	5,505	6,010	3,834
Lease liabilities	60,197	113,665	0
Investments in subsidiaries	58,447	0	0
Tenant allowance	0	0	2,927
Other	952	863	0
Deferred tax assets before valuation allowance	772,157	963,749	585,010
Valuation allowance	(711,778)	(833,086)	(583,107)
Deferred tax assets, net of valuation allowance	60,379	130,663	1,903
Deferred tax liabilities:
Amortizable intangibles	(16,873)	(23,583)	(4,722)
Property, plant, and equipment	(410)	(13,405)	(830)
Lease right-of-use assets	(52,409)	(103,357)	0
Basis differences	0	0	(1,522)
Deferred tax liabilities	(69,692)	(140,345)	(7,074)
Net deferred taxes	$ (9,313)	$ (9,682)	$ (5,171)