Quarterly report pursuant to Section 13 or 15(d)

STOCK BASED COMPENSATION - Restricted Stock Units (Details)

v3.21.1
STOCK BASED COMPENSATION - Restricted Stock Units (Details)
$ / shares in Units, shares in Thousands, $ in Millions
3 Months Ended
Mar. 31, 2021
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Weighted-average period 3 years 1 month 6 days
Unvested restricted stock awards outstanding  
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 | $ $ 11.6
Weighted-average period 3 years 7 months 6 days
Expenses recognized | $ $ 0.8
Shares Subject to Vesting  
Balance at beginning of period, unvested shares (in shares) | shares 683
Granted (in shares) | shares 250
Vested (in shares) | shares (15)
Balance at end of period, unvested shares (in shares) | shares 918
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 30.49
Vested (in dollars per share) | $ / shares 8.19
Balance at end of Period, unvested shares (in dollars per share) | $ / shares $ 14.14