Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Fair Value Assumptions (Details)

v3.23.1
Stock-Based Compensation - Fair Value Assumptions (Details) - $ / shares
12 Months Ended
Jan. 31, 2023
Jan. 31, 2022
Jan. 31, 2021
Options to purchase common stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term (in years)   6 years 6 years 1 month 6 days
Risk-free interest rate, minimum   0.90% 0.30%
Risk-free interest rate, maximum   1.40% 0.80%
Expected volatility, minimum   50.90% 42.30%
Expected volatility, maximum   52.10% 45.50%
Expected dividend rate   0.00% 0.00%
Fair value of common stock, minimum (in dollars per share)   $ 10.96 $ 4.93
Fair value of common stock, maximum (in dollars per share)   $ 14.02 $ 9.07
ESPP      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Risk-free interest rate, minimum 2.20% 0.10%  
Risk-free interest rate, maximum 4.60% 0.30%  
Expected volatility, minimum 66.20% 49.30%  
Expected volatility, maximum 81.90% 57.00%  
Expected dividend rate 0.00% 0.00%  
Fair value of common stock, minimum (in dollars per share) $ 8.84 $ 14.27  
Fair value of common stock, maximum (in dollars per share) $ 9.84 $ 22.37  
ESPP | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term (in years) 6 months 6 months  
ESPP | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term (in years) 1 year 1 year