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Related Party Transactions - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Related Party Transaction [Line Items]
Research and development fees	$ 2,363	$ 2,775	$ 8,883	$ 8,312
Related Party | GNI Group
Related Party Transaction [Line Items]
Research and development fees	0	$ 100	0	$ 200
Other Receivables	200		200		$ 200
Related Party | F351 Agreement | GNI Group
Related Party Transaction [Line Items]
Due to related parties	$ 200		$ 200		$ 200

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