Nature of Business and Basis of Presentation - Additional Information (Detail) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Nature of Business and Basis of Presentation [Line Items]
Accumulated deficit	$ 2,088,060	$ 2,014,769

Amount of accumulated undistributed earnings (deficit).

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Reference 2: http://www.xbrl.org/2003/role/exampleRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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Name:	us-gaap_RetainedEarningsAccumulatedDeficit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant