v3.26.1
Net Loss Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Numerator:    
Net loss $ (41,853) $ (102,104)
Denominator:    
Weighted-average common stock shares used in computing net loss per share, basic (in shares) 203,668 191,625
Weighted-average common stock shares used in computing net loss per share, diluted (in shares) 203,668 191,625
Net loss per common stock share, basic (in dollars per share) $ (0.21) $ (0.53)
Net loss per common stock share, diluted (in dollars per share) $ (0.21) $ (0.53)
Class A    
Numerator:    
Net loss $ (32,603) $ (59,676)
Denominator:    
Weighted-average common stock shares used in computing net loss per share, basic (in shares) 158,655 111,998
Weighted-average common stock shares used in computing net loss per share, diluted (in shares) 158,655 111,998
Net loss per common stock share, basic (in dollars per share) $ (0.21) $ (0.53)
Net loss per common stock share, diluted (in dollars per share) $ (0.21) $ (0.53)
Class B    
Numerator:    
Net loss $ (9,250) $ (42,428)
Denominator:    
Weighted-average common stock shares used in computing net loss per share, basic (in shares) 45,013 79,627
Weighted-average common stock shares used in computing net loss per share, diluted (in shares) 45,013 79,627
Net loss per common stock share, basic (in dollars per share) $ (0.21) $ (0.53)
Net loss per common stock share, diluted (in dollars per share) $ (0.21) $ (0.53)