Annual report [Section 13 and 15(d), not S-K Item 405]

Stock-Based Compensation - Fair Value Assumptions (Details)

v3.26.1
Stock-Based Compensation - Fair Value Assumptions (Details) - $ / shares
12 Months Ended
Jan. 31, 2026
Jan. 31, 2025
Jan. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted (in shares) 0 0  
Stock options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term (in years)     6 years 1 month 6 days
Risk-free rate     3.50%
Volatility     60.00%
Expected dividend yield 0.00%   0.00%
Fair value of common stock, (in dollars per share)     $ 12.85
ESPP Rights      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Risk-free interest rate, minimum 3.50% 4.20% 4.90%
Risk-free interest rate, maximum 4.30% 5.30% 5.30%
Volatility, minimum 34.40% 39.50% 49.40%
Volatility, maximum 46.40% 54.30% 67.40%
Expected dividend yield 0.00% 0.00% 0.00%
Fair value of common stock, minimum (in dollars per share) $ 7.85 $ 8.82 $ 11.48
Fair value of common stock, maximum (in dollars per share) $ 8.21 $ 9.42 $ 14.58
ESPP Rights | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term (in years) 6 months 6 months 6 months
ESPP Rights | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expected term (in years) 1 year 1 year 1 year