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Equity Incentive Plans - Summary of Fair Value of Each Award Issued Estimated on the Date of Grant Using the Black-Scholes Option Pricing Model (Detail)
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected volatility, Minimum 81.00% 79.00%
Expected volatility, Maximum 82.00% 82.00%
Risk-free interest rate, Minimum 3.58% 1.49%
Risk-free interest rate, Maximum 4.02% 2.11%
Minimum [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected term (in years) 6 years 7 days 4 years 3 months 29 days
Maximum [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected term (in years) 6 years 29 days 6 years 29 days