Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

SHARE-BASED COMPENSATION - Schedule of Restricted Stock Unit's activity (Details)

v3.22.2.2
SHARE-BASED COMPENSATION - Schedule of Restricted Stock Unit's activity (Details) - RSUs
6 Months Ended
Jun. 30, 2022
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unvested as of December 31, 2020 | shares 3,910,601
Granted | shares 1,046,856
Vested | shares (648,611)
Forfeited | shares (128,864)
Expired | shares (6,667)
Unvested as of December 31, 2021 | shares 4,173,315
Weighted average grant date fair value per share, Unvested as of December 31, 2020 | $ / shares $ 8.87
Weighted average grant date fair value per share, Granted | $ / shares 3.94
Weighted average grant date fair value per share, Vested | $ / shares 9.88
Weighted average grant date fair value per share, Forfeited | $ / shares 8.1
Weighted average grant date fair value per share, Expired | $ / shares 9.04
Weighted average grant date fair value per share, Unvested as of December 31, 2021 | $ / shares $ 7.5