Stockholders' Equity - Summary of Share-Based Compensation Expense is Reflected in Operating expenses in the Condensed Statements of Operations and Comprehensive Loss (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Employee Service Share Based Compensation Allocation Of Recognized Period Costs Line Items
Stock-based compensation expense	$ 6,463	$ 9,577	$ 14,497	$ 18,270
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold
Employee Service Share Based Compensation Allocation Of Recognized Period Costs Line Items
Stock-based compensation expense	115	98	230	197
Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense
Employee Service Share Based Compensation Allocation Of Recognized Period Costs Line Items
Stock-based compensation expense	4,007	6,331	9,112	12,386
Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense
Employee Service Share Based Compensation Allocation Of Recognized Period Costs Line Items
Stock-based compensation expense	752	1,115	1,713	2,240
Location, Statement of Income, Balance [Axis]: us-gaap:SellingAndMarketingExpense
Employee Service Share Based Compensation Allocation Of Recognized Period Costs Line Items
Stock-based compensation expense	$ 1,589	$ 2,033	$ 3,442	$ 3,447