XML 85 R72.htm IDEA: XBRL DOCUMENT v3.24.0.1
Assumptions Used in Black-Scholes Pricing Model (Detail)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Stock Option Awards      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term of options in years   6 years 3 months 18 days 6 years 3 months 18 days
Expected volatility, minimum 70.60% 58.40% 56.80%
Expected volatility, maximum 74.10% 75.50% 59.00%
Risk-free interest rate, minimum 3.70% 1.90% 0.80%
Risk-free interest rate, maximum 4.40% 3.90% 1.10%
Expected dividend yield 0.00% 0.00% 0.00%
Stock Option Awards | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term of options in years 5 years 6 months    
Stock Option Awards | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term of options in years 6 years 3 months 18 days    
Share-settled Performance Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term of options in years 3 years    
Expected volatility 95.60%    
Risk-free interest rate 4.10%    
Expected dividend yield 0.00%