v3.25.0.1
Equity-Based Compensation - Narrative (Details)
$ / shares in Units, $ in Millions
 1 Months Ended 3 Months Ended 6 Months Ended 42 Months Ended
Sep. 30, 2019
period
Aug. 31, 2019
Dec. 31, 2024
USD ($)
shares
Dec. 31, 2023
USD ($)
Dec. 31, 2024
USD ($)
period
$ / shares
shares
Dec. 31, 2023
USD ($)
period
$ / shares
Aug. 31, 2024
$ / shares
shares
Oct. 31, 2023
shares
Jul. 01, 2023
shares
Class of Stock [Line Items]                  
Aggregate intrinsic value         $ 4.8 $ 5.0      
Weighted-average grant date fair value per option (in dollars per share) | $ / shares         $ 2.86 $ 0      
Stock-based compensation expense     $ 61.5 $ 66.6 $ 108.7 $ 140.8      
Number of employees eligible, terminated their employment | period         1 1      
Stock-based compensation expense           $ 5.4      
2019 Equity Incentive Plan                  
Class of Stock [Line Items]                  
Vesting period (in years)     2 months 16 days            
Expiration period (in years)   10 years              
2019 Equity Incentive Plan | Minimum                  
Class of Stock [Line Items]                  
Vesting period (in years)   2 years              
Earn rate, percent of shares granted     0.00%            
2019 Equity Incentive Plan | Maximum                  
Class of Stock [Line Items]                  
Vesting period (in years)   4 years              
Earn rate, percent of shares granted     200.00%            
Severance Plan | Minimum                  
Class of Stock [Line Items]                  
Post-termination period during which an employee may exercise outstanding stock options extended term         90 days 90 days      
Severance Plan | Maximum                  
Class of Stock [Line Items]                  
Post-termination period during which an employee may exercise outstanding stock options extended term         1 year 3 years      
ESPP                  
Class of Stock [Line Items]                  
Expected dividend yield         0.00% 0.00%      
Stock-based compensation expense     $ 1.1 $ 2.0 $ 2.7 $ 3.1      
Unrecognized stock-based compensation expense     5.6   $ 5.6        
Unrecognized stock-based compensation expense, period for recognition (in years)         1 year 3 months 18 days        
ESPP | 2019 Employee Stock Purchase Plan                  
Class of Stock [Line Items]                  
Number of purchase periods | period 4                
Purchase period (in months) 6 months                
Commencement of offering period (in years) 2 years                
Commencement of purchase period (in months) 6 months                
Employee Stock Options                  
Class of Stock [Line Items]                  
Expected dividend yield         0.00%        
Unrecognized stock-based compensation expense     $ 398.7   $ 398.7        
Unrecognized stock-based compensation expense, period for recognition (in years)         2 years 3 months 18 days        
Class A Common Stock | 2019 Equity Incentive Plan                  
Class of Stock [Line Items]                  
Increase in number of shares authorized, as a percentage of total common stock outstanding 5.00%                
Increase in number of shares available for future issuance (in shares) | shares               36,000,000 18,813,085
Number of shares available for future issuance (in shares) | shares     58,249,054   58,249,054        
Class A Common Stock | ESPP                  
Class of Stock [Line Items]                  
Number of shares purchased under ESPP (in shares) | shares             375,829    
Weighted-average price of shares purchased under ESPP (in dollars per share) | $ / shares             $ 3.91    
Class A Common Stock | ESPP | 2019 Employee Stock Purchase Plan                  
Class of Stock [Line Items]                  
Increase in number of shares authorized, as a percentage of total common stock outstanding 1.00%                
Increase in number of shares available for future issuance (in shares) | shares                 3,762,617
Number of shares available for future issuance (in shares) | shares     18,632,205   18,632,205        
Purchase price of common stock, percentage of fair market value 85.00%