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Stock-Based Compensation - Summary of Stock Option Activity (Detail) - Employee Stock Option - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Beginning balance, Outstanding Stock Options	13,927
Granted, outstanding stock options	11,995
Exercised, Outstanding Stock Options	0
Canceled and forfeited, Outstanding Stock Options	(2,166)
Expired, Outstanding Stock Options	(121)
Ending balance, Outstanding Stock Options	23,635	13,927
Exercisable, Outstanding Stock Options	6,490
Weighted-Average Exercise Price Per Share, Outstanding, beginning of period	$ 9.2
Weighted-Average Exercise Price Per Share, Granted	1.68
Weighted-Average Exercise Price Per Share, Exercised	0
Weighted-Average Exercise Price Per Share, Canceled and forfeited	8.16
Weighted-Average Exercise Price Per Share, Expired	3.58
Weighted-Average Exercise Price Per Share, Outstanding, end of period	5.51	$ 9.2
Weighted-Average Exercise Price Per Share, Exercisable	$ 7.54
Weighted-Average Remaining Contractual Term, Outstanding (Years)		7 years 9 months 18 days
Weighted-Average Remaining Contractual Term, Vested	8 years 10 months 24 days
Weighted-Average Remaining Contractual Term, Exercisable	7 years 7 months 6 days
Aggregate Intrinsic Value, Outstanding		$ 44,953
Aggregate Intrinsic Value, Vested	$ 0
Aggregate Intrinsic Value, Exercisable	$ 0

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: