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Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Examination [Line Items]
Provision for federal or state income taxes	$ 0
Gross unrecognized tax benefits	7,800,000	$ 7,400,000
Unrecognized interest or penalties	0	$ 0	$ 0
U.S. Federal and State
Income Tax Examination [Line Items]
Net operating loss carryforwards	670,000,000
U.S. Federal and State | Tax Year 2025 To 2037
Income Tax Examination [Line Items]
Net operating loss carryforwards	65,500,000
U.S. Federal and State | Indefinite
Income Tax Examination [Line Items]
Net operating loss carryforwards	604,500,000
U.S. Federal Government
Income Tax Examination [Line Items]
US Federal tax credits carry forward	$ 94,400,000

X

- Definition

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration dates.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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