Quarterly report pursuant to Section 13 or 15(d)

SHARE BASED PAYMENTS - Schedule of stock options (Details)

v3.21.2
SHARE BASED PAYMENTS - Schedule of stock options (Details)
shares in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2021
$ / shares
shares
Dec. 31, 2020
$ / shares
shares
Shares    
Beginning balance, Outstanding (in shares) | shares 1,803  
Granted (in shares) | shares 0  
Exercised (in shares) | shares (821)  
Forfeited or expired (in shares) | shares (51)  
Ending balance, Outstanding (in shares) | shares 931 1,803
Weight - Average Exercise Price    
Weighted - Average Exercise Price, Outstanding beginning balance (in dollars per share) $ 3.92  
Weighted - Average Exercise Price, Granted (in dollars per share) 0  
Weighted - Average Exercise Price, Exercised (in dollars per share) 3.20  
Weighted - Average Exercise Price, Forfeited or expired (in dollars per share) 4.12  
Weighted - Average Exercise Price, Outstanding ending balance (in dollars per share) $ 4.55 $ 3.92
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]    
Weighted - Average Remaining Contractual Term, Outstanding beginning   3 years 5 months 19 days
Weighted - Average Remaining Contractual Term, Outstanding ending 3 years 1 month 13 days  
Weighted - Average Grant Date Fair Value, Outstanding beginning balance (in dollars per share) $ 2.38  
Weighted - Average Grant Date Fair Value, Granted (in dollars per share) 0  
Weighted - Average Grant Date Fair Value, Exercised (in dollars per share) 1.71  
Weighted - Average Grant Date Fair Value, Forfeited or expired (in dollars per share) 2.26  
Weighted - Average Grant Date Fair Value Outstanding ending balance (in dollars per share) $ 2.62 $ 2.38
Options Vested (in shares) | shares 595  
Weighted - Average Exercise Price, Vested (in dollars per share) $ 4.27  
Weighted - Average Remaining Contractual Term, Vested 3 years 3 days  
Weighted - Average Grant Date Fair Value, Options Vested (in dollars per share) $ 2.51