Income Taxes - Additional Information (Detail) $ in Millions	12 Months Ended
Dec. 31, 2025 USD ($)
Income Taxes [Line Items]
Net operating loss carryforwards, federal	$ 245.2
Net operating loss carryforwards, state	$ 73.6
State
Income Taxes [Line Items]
Net tax operating losses, expiration	begin to expire in 2036
Tax credit carryforward, expiration	begin to expire in 2037
Research tax credits	$ 30.2
Federal
Income Taxes [Line Items]
Research tax credits	64.9
Federal net operating losses, indefinite life	$ 243.6

Income taxes.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-6

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates.

+ References

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.

+ References

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A description of the limitations on the use of all operating loss carryforwards available to reduce future taxable income.

+ References

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-3

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Description of the limitation related to use of the tax credit carryforward.

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