Income Taxes - Additional Information (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Income Taxes [Line Items]
Deferred tax assets, valuation allowance	$ 97.3	$ 112.2
Deferred tax assets	320.3	485.7
Research and development tax credit carryforwards	74.6	62.8
Deferred income tax liability	12.0
Interest accrued	24.9	10.9
Penalties accrued	3.8	$ 2.2
Unrecognized tax benefits that would affect effective tax rate	177.6
State and Local Jurisdiction
Income Taxes [Line Items]
Operating loss carryforwards	279.0
Research and development tax credit carryforwards	114.7
Domestic Tax Jurisdiction
Income Taxes [Line Items]
Operating loss carryforwards	0.0
Foreign Tax Jurisdiction
Income Taxes [Line Items]
Operating loss carryforwards	$ 0.0

Income Taxes [Line Items]

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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The amount of estimated interest accrued as of the balance sheet date arising from income tax examinations.

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The amount of estimated penalties accrued as of the balance sheet date arising from income tax examinations.

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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