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Fair Value Measurements - Additional Information (Detail) - USD ($)	Sep. 30, 2024	Dec. 31, 2023
Level 1 [Member] | Convertible Senior Notes [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Convertible notes	$ 103,600,000	$ 140,800,000
Convertible notes, interest rate	3.50%	3.50%
Level 2 [Member] | Development Liability [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair value	$ 0	$ 306,900,000

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