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		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Employee Service Share Based Compensation Allocation Of Recognized Period Costs Line Items
Stock-based compensation expense	$ 6,931	$ 7,998	$ 21,428	$ 26,268
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	130	345	327
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	4,476	5,251	13,588	17,637
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	805	948	2,518	3,188
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	$ 1,535	$ 1,669	$ 4,977	$ 5,116