Stock-Based Compensation - Summary of Assumptions Used in Black-Scholes Option Pricing Model (Detail)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate, minimum	3.38%	1.70%	0.66%
Risk-free interest rate, maximum	4.65%	4.21%	1.41%
Expected volatility, minimum	76.30%	77.70%	71.60%
Expected volatility, maximum	81.30%	81.90%	83.50%
Expected dividend yield	0.00%	0.00%	0.00%
Employee and Board of Directors Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected life of options (in years)	6 years 3 months	6 years 3 months	6 years 3 months