v3.25.4
Stock-Based Compensation - Narrative (Details) - USD ($)
1 Months Ended 12 Months Ended
Jul. 31, 2021
Jan. 31, 2021
Dec. 31, 2025
Dec. 31, 2024
Jul. 16, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Weighted average grant date fair value of options granted (in dollars per share)       $ 2.77  
Aggregate intrinsic value of the stock options exercised     $ 48,000,000.0 $ 7,300,000  
Number of shares purchased from issuance of warrants (in shares)     14,324,893 14,442,316 14,325,000
Weighted Average Exercise Price         $ 11.50
Expected term (in years)       6 years 1 month 6 days  
Total stock-based compensation expense     $ 21,096,000 $ 24,756,000  
Sales and marketing          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Total stock-based compensation expense     $ 5,568,000 10,946,000  
Finback BDA          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares purchased from issuance of warrants (in shares)   2,552,913      
Weighted Average Exercise Price   $ 0.42      
Expected term (in years)   3 years      
Class of warrant or right number of securities, exercised (in shares)     1,221,296    
Unvested warrants (in shares)     0    
Contractual Term (in years)     1 year    
Finback BDA | Sales and marketing          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Total stock-based compensation expense     $ 0 0  
Unvested restricted stock units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Grant date fair value of restricted stock     $ 32,600,000 31,800,000  
Award vesting period     3 years    
Total fair value of shares vested     $ 18,600,000 19,300,000  
Total stock-based compensation expense     $ 16,972,000 20,978,000  
MSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting period     3 years    
Expected term (in years)     3 years    
Total stock-based compensation expense     $ 2,494,000 0  
Unvested stock options and restricted stock units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized compensation expense     $ 35,700,000    
Weighted average period expected of recognition     2 years 8 months 12 days    
Earn-out shares          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Total stock-based compensation expense     $ 64,000 $ 11,000  
Unrecognized compensation expense     $ 100,000    
Weighted average period expected of recognition     14 days    
Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based payment arrangement, achievement, percentage     200.00%    
Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based payment arrangement, achievement, percentage     0.00%    
2021 Equity Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares of common stock may be issued (in shares)     21,177,295    
Annual increase of total common shares outstanding     5.00%    
Number of shares remained available for future grant (in shares)     19,387,020    
Threshold percentage     100.00%    
2021 Equity Incentive Plan | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Term of stock option     10 years    
2021 Employee Stock Purchase Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares remained available for future grant (in shares)     9,424,370   3,435,748
Percent of increase of outstanding number of common stock 1.00%