Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating Loss Carryforwards [Line Items]
Valuation allowance, period increase (decrease)	$ 315,000,000	$ 195,900,000	$ 589,000,000
Unrecognized tax benefits	172,389,000	96,372,000	72,919,000	$ 19,386,000
Unrecognized tax benefits that would impact effective tax rate	1,400,000
Significant change in unrecognized tax benefits is reasonably possible, amount of unrecorded benefit	0
Unrecognized tax benefits, income tax penalties and interest accrued	400,000	$ 200,000	$ 0
Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	52,200,000
Domestic Tax Authority | Federal
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	2,382,300,000
Domestic Tax Authority | Federal | Research Tax Credit Carryforward
Operating Loss Carryforwards [Line Items]
Research and development tax credit	201,300,000
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	1,261,400,000
State and Local Jurisdiction | Federal | Research Tax Credit Carryforward
Operating Loss Carryforwards [Line Items]
Research and development tax credit	139,300,000
Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 66,800,000