Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Stock-based compensation expense (Details)

v3.21.2
Stock-Based Compensation - Stock-based compensation expense (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Share-based payment arrangements information        
Total stock-based compensation expense $ 4,848 $ 1,619 $ 12,100 $ 3,561
Unrecognized stock-based compensation expense 68,900   $ 68,900  
Weighted-average period over which unrecognized stock-based compensation expense are expected to be recognized     1 year 7 months 6 days  
Restricted Stock Units (RSUs)        
Share-based payment arrangements information        
Share based compensation arrangement by share based payment award, equity instruments other options, vested in period, total grant date fair value     $ 2,900  
Product development        
Share-based payment arrangements information        
Total stock-based compensation expense 1,239 212 1,953 465
Sales, marketing and customer support        
Share-based payment arrangements information        
Total stock-based compensation expense 1,423 305 3,743 869
General and administrative        
Share-based payment arrangements information        
Total stock-based compensation expense $ 2,186 $ 1,102 $ 6,404 $ 2,227