Quarterly report pursuant to Section 13 or 15(d)

Equity Incentive Plans and Stock-Based Compensation - Additional Information (Details)

v3.22.1
Equity Incentive Plans and Stock-Based Compensation - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended
Apr. 23, 2021
Apr. 22, 2021
Sep. 30, 2020
Apr. 30, 2022
Apr. 30, 2021
Jan. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Weighted-average grant date fair value of stock options granted (in dollars per share)       $ 25.87    
Cost not yet recognized for unvested options       $ 117,800,000    
Stock-based compensation expense       101,454,000 $ 250,835,000  
Capitalized stock-based compensation expenses relating to software development cost       $ 0 $ 2,200,000  
Stock Options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Weighted-average remaining period       3 years    
Early Exercised Options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Outstanding underlying unvested stock options that had been early exercised (in shares)       500,000    
Accrued proceeds from unvested early exercised stock options       $ 1,500,000   $ 2,800,000
Restricted Stock Units            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Weighted-average remaining period       3 years 2 months 12 days    
Fair value of RSUs vested       $ 77,700,000    
Unrecognized compensation expense       $ 729,600,000    
Grant date fair value per share (in dollars per share)       $ 25.23    
Restricted Stock Awards            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Weighted-average remaining period       2 years 4 months 24 days    
Award vesting period     4 years      
Unrecognized compensation expense       $ 2,400,000    
Restricted stock awards issued (in shares)     100,000      
Grant date fair value per share (in dollars per share)     $ 33.22      
Restricted stock awards issued, value     $ 4,000,000      
ESPP            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares available for future issuances (in shares)   15,500,000        
Period of shares automatically increase   10 years        
Percentage of total number of shares   1.00%        
Number of shares authorized (in shares)   15,900,000        
Weighted-average remaining period       1 month 6 days    
Unrecognized compensation expense       $ 1,500,000    
Shares purchased (in shares)       0 0  
Class A Common Stock | ESPP            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Purchase price of common stock, offering date, percent of market price   85.00%        
Purchase price of common stock, purchase date, percent of market price   85.00%        
2021 Stock Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Period of shares automatically increase   10 years        
Percentage of total number of shares   5.00%        
2021 Stock Plan | Class A Common Stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares available for future issuances (in shares)       145,900,000    
2018 Stock Plan | Restricted Stock Units            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Award vesting period       4 years    
Stock-based compensation expense $ 233,000,000