Quarterly report pursuant to Section 13 or 15(d)

STOCK BASED COMPENSATION - Restricted Stock Awards (Details)

v3.22.2
STOCK BASED COMPENSATION - Restricted Stock Awards (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Weighted Average Grant Date Fair Value        
Total stock based compensation expenses $ 19,218 $ 3,999 $ 29,130 $ 6,216
Weighted-average period     2 years  
Restricted Stock awards        
Shares Subject to Vesting        
Balance at beginning of period, unvested shares (in shares)     264  
Cancelled/Forfeited     (5)  
Vested (in shares)     (113)  
Balance at end of period, unvested shares (in shares) 146   146  
Weighted Average Grant Date Fair Value        
Balance at beginning of Period, unvested shares (in dollars per share)     $ 7.79  
Cancelled/Forfeited (in dollars per share)     8.78  
Vested (in dollars per share)     6.47  
Balance at end of Period, unvested shares (in dollars per share) $ 7.79   $ 7.79  
Total stock based compensation expenses $ 200 $ 600 $ 200 $ 400
Unrecognized stock-based compensation expense $ 1,200   $ 1,200  
Weighted-average period     1 year 7 months 6 days