Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION - Summary of Stock Option Activity (Details)

v3.21.2
STOCK-BASED COMPENSATION - Summary of Stock Option Activity (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
6 Months Ended
Jun. 30, 2021
No. of Options  
Beginning balance outstanding (shares) 18,090
Granted (shares) 128
Exercised (shares) (2,233)
Forfeited (shares) (267)
Expired (shares) (22)
Ending balance outstanding (shares) 15,696
Unvested (shares) 5,793
Exercisable (shares) 9,903
Weighted-Average Exercise Price  
Beginning balance outstanding (USD per share) $ 0.85
Granted (USD per share) 7.85
Exercised (USD per share) 0.86
Forfeited (USD per share) 1.81
Expired (USD per share) 1.45
Ending balance outstanding (USD per share) 0.89
Unvested (USD per share) 0.98
Exercisable (USD per share) $ 0.84
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]  
Outstanding - Weighted-Average Remaining Term (in Years) 6 years 8 months 12 days
Unvested - Weighted-Average Remaining Term (in Years) 8 years
Exercisable - Weighted-Average Remaining Term (in Years) 6 years
Outstanding - Aggregate Intrinsic Value $ 78,433
Unvested - Aggregate Intrinsic Value 27,885
Exercisable - Aggregate Intrinsic Value $ 50,548