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Description of Business and Basis of Presentation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended		3 Months Ended						9 Months Ended
	Jul. 31, 2025	Feb. 29, 2024	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Net loss			$ 47,712	$ 26,182	$ 29,281	$ 15,499	$ 21,627	$ 14,654	$ 103,175	$ 51,780
Accumulated deficit			(372,333)						(372,333)		$ (269,158)
Cash and cash equivalents			$ 175,400						$ 175,400
Common Stock [Member]
Issuance of common stock			21,562,500					19,736,842
Underwritten Public Offering [Member] | Common Stock [Member]
Issuance of common stock	21,562,500	19,736,842
Proceeds net of issuance costs	$ 65,000	$ 161,800
Share price per share	$ 3.2	$ 8.74

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