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Income Taxes - Effective Tax Rate Reconciliation (Details)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Provision at federal statutory tax rate	21.00%	21.00%	21.00%
Change in valuation allowance	(25.00%)	(14.00%)	(30.00%)
Foreign tax rate differential	1.00%	0.00%	0.00%
Stock-based compensation	(4.00%)	(9.00%)	2.00%
Research and development credits	10.00%	2.00%	5.00%
Disallowed executive compensation	(3.00%)	0.00%	0.00%
Restructuring	0.00%	0.00%	2.00%
Effective tax rate	0.00%	0.00%	0.00%

X

- Definition

Effective Income Tax Rate Reconciliation, Nondeductible Expense, Disallowed Executive Compensation, Percent

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

+ References

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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