Equity Incentive Plans - Schedule of Stock Option Valuation Assumptions (Detail)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend	0.00%	0.00%	0.00%
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility	70.00%	65.00%	67.00%
Risk-free interest rate	3.70%	1.60%	1.00%
Expected term (in years)	5 years 3 months 18 days	5 years 3 months 18 days	6 years
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility	71.00%	71.00%	69.00%
Risk-free interest rate	4.60%	4.10%	1.10%
Expected term (in years)	6 years 1 month 6 days	6 years 1 month 6 days	6 years 1 month 6 days