Annual report pursuant to Section 13 and 15(d)

STOCK BASED COMPENSATION - Restricted Stock Units (Details)

v3.20.4
STOCK BASED COMPENSATION - Restricted Stock Units (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
1 Months Ended 12 Months Ended
Jul. 31, 2020
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period   1 year
Cliff Vesting Period   4 years
Weighted-average period   2 years 9 months 18 days
Expenses recognized $ 3.6  
RSU    
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   $ 4.8
Weighted-average period   3 years 3 months 18 days
Expenses recognized   $ 0.6
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]    
Issuance of additional shares (in shares)   683
Balance at end of period, unvested shares (in shares)   683
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]    
Issuance of additional shares (in dollars per share)   $ 8.02
Balance at end of Period, unvested shares (in dollars per share)   $ 8.02