Quarterly report pursuant to Section 13 or 15(d)

STOCK BASED COMPENSATION - Restricted Stock Units (Details)

v3.21.2
STOCK BASED COMPENSATION - Restricted Stock Units (Details)
$ / shares in Units, shares in Thousands, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
USD ($)
$ / shares
shares
Jun. 30, 2021
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Weighted-average period   2 years 10 months 24 days
Restricted Stock Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period   4 years
Cliff Vesting Period   1 year
Unrecognized compensation costs, non-vested RSUs | $ $ 67.8 $ 67.8
Weighted-average period   3 years 7 months 6 days
Expenses recognized | $ $ 2.7 $ 3.4
Shares Subject to Vesting    
Balance at beginning of period, unvested shares (in shares) | shares   683
Granted (in shares) | shares   4,461
Vested (in shares) | shares   (44)
Cancelled/Forfeited | shares   (5)
Balance at end of period, unvested shares (in shares) | shares 5,095 5,095
Weighted Average Grant Date Fair Value    
Balance at beginning of Period, unvested shares (in dollars per share) | $ / shares   $ 8.02
Granted (in dollars per share) | $ / shares   15.38
Vested (in dollars per share) | $ / shares   8.13
Cancelled/Forfeited | $ / shares   7.98
Balance at end of Period, unvested shares (in dollars per share) | $ / shares $ 14.52 $ 14.52