Stockholders' Equity - Fair Value of Options Granted Under Equity Incentive Plan and Shares Subject to Employee Stock Purchase Plan Valuation Assumptions (Detail) - $ / shares	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Average risk-free interest rate	5.36%	5.00%
Expected dividend yield	0.00%	0.00%
Expected life	6 months	6 months
Expected volatility	39.00%	46.00%
Weighted average fair value	$ 5.46	$ 9.47
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Average risk-free interest rate		4.27%
Expected dividend yield		0.00%
Expected life		4 years 9 months
Expected volatility		43.00%
Weighted average fair value		$ 14.24