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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Mar. 31, 2026	Dec. 31, 2025
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vested and exercisable (in shares)	14,788,581			9,657,097
Number of warrants outstanding (in shares)	47,862,136		47,862,136	65,053,571
Stock options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation cost related to unvested stock options	$ 23.2
Weighted-average period for recognition	1 year 4 months 24 days
Aggregate intrinsic value of stock options exercised	$ 1.8	$ 0.1
Proceeds from stock options exercised	$ 1.6	0.2
RSUs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted-average period for recognition	1 year 4 months 24 days
Unrecognized compensation cost related to non-vested stock options	$ 16.9
Aggregate intrinsic value, vested	$ 17.3	$ 3.9
Warrants
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of warrants outstanding (in shares)	1,638,000			1,638,000
Exercise price of warrants (in dollars per share)	$ 3.24			$ 3.24
Fair value of warrants	$ 18.0
2025 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for future grants (in shares)	48,200,000