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Stock-Based Compensation - Schedule of Unvested Restricted Stock Units Activity (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of Shares, Unvested beginning Balance	869,112
Number of Shares, Granted	0
Number of Shares, Vested	(99,088)
Number of Shares, Forfeited	(14,167)
Number of Shares, Unvested Ending Balance	755,857	869,112
Weighted-Average Grant Date Fair Value, Unvested beginning Balance	$ 0.64
Weighted-Average Grant Date Fair Value, Granted	0	$ 0	$ 0
Weighted-Average Grant Date Fair Value, Vested	3.18
Weighted-Average Grant Date Fair Value, Forfeited	4.15
Weighted-Average Grant Date Fair Value, Unvested Ending Balance	$ 0.24	$ 0.64
Restricted Stock Units [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of Shares, Unvested beginning Balance	2,967,177
Number of Shares, Granted	0
Number of Shares, Vested	(1,406,498)
Number of Shares, Forfeited	(327,625)
Number of Shares, Unvested Ending Balance	1,233,054	2,967,177
Weighted-Average Grant Date Fair Value, Unvested beginning Balance	$ 12.55
Weighted-Average Grant Date Fair Value, Granted	0
Weighted-Average Grant Date Fair Value, Vested	10.94
Weighted-Average Grant Date Fair Value, Forfeited	20.41
Weighted-Average Grant Date Fair Value, Unvested Ending Balance	$ 12.30	$ 12.55
Restricted Stock Units [Member] | 2024 Incentive Award Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of Shares, Unvested beginning Balance	1,310,382	6,873,666
Number of Shares, Granted	6,857,678
Number of Shares, Vested	(569,550)
Number of Shares, Forfeited	(724,844)
Number of Shares, Unvested Ending Balance		1,310,382	6,873,666
Weighted-Average Grant Date Fair Value, Unvested beginning Balance	$ 23.49	$ 43.16
Weighted-Average Grant Date Fair Value, Granted	47.45
Weighted-Average Grant Date Fair Value, Vested	31.82
Weighted-Average Grant Date Fair Value, Forfeited	$ 57.13
Weighted-Average Grant Date Fair Value, Unvested Ending Balance		$ 23.49	$ 43.16

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