Related Party Transactions - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Related Party Transaction [Line Items]
Research and development fees	$ 2,775,000	$ 3,009,000	$ 8,312,000	$ 9,212,000
Related Party | G N I
Related Party Transaction [Line Items]
Research and development fees	100,000	$ 0	200,000	$ 0
Other Receivables	1,300,000		1,300,000		$ 1,300,000
Related Party | G N I | CPI contribution
Related Party Transaction [Line Items]
Other Receivables	800,000		800,000
Related Party | G N I | Gyre
Related Party Transaction [Line Items]
Other Receivables	500,000		500,000
Related Party | F351 Agreement | G N I
Related Party Transaction [Line Items]
Due to related parties	$ 1,300,000		$ 1,300,000		$ 1,400,000