v3.24.0.1
Stock-Based Compensation - Valuation Assumption of Options (Details)
12 Months Ended
Jan. 31, 2024
Jan. 31, 2023
Jan. 31, 2022
Stock options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Dividend yield     0.00%
Stock options | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term (in years)     3 years 9 months 25 days
Risk-free interest rate     0.60%
Expected stock price volatility     36.10%
Stock options | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term (in years)     5 years 7 months 17 days
Risk-free interest rate     1.00%
Expected stock price volatility     37.10%
Employee Stock Purchase Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Dividend yield 0.00% 0.00% 0.00%
Employee Stock Purchase Plan | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term (in years) 6 months 6 months 6 months
Risk-free interest rate 0.20% 0.10% 0.00%
Expected stock price volatility 40.80% 39.60% 33.00%
Employee Stock Purchase Plan | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term (in years) 2 years 2 years 2 years
Risk-free interest rate 5.30% 4.70% 1.90%
Expected stock price volatility 61.20% 67.40% 55.90%