Quarterly report pursuant to Section 13 or 15(d)

EQUITY AND EARNINGS PER SHARE (Summary of RSUs) (Details)

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EQUITY AND EARNINGS PER SHARE (Summary of RSUs) (Details) - RSUs
3 Months Ended
Mar. 31, 2021
$ / shares
shares
Number of RSUs  
Beginning balance (in shares) | shares 259,238
Vested/Released (in shares) | shares (12,538)
Forfeited (in shares) | shares (11,777)
Ending balance (in shares) | shares 234,923
Weighted Average Grant Date Fair Value (per unit)  
Beginning balance (in dollars per share) | $ / shares $ 3.72
Vested/Released (in dollars per share) | $ / shares 4.19
Forfeited (in dollars per share) | $ / shares 4.67
Ending balance (in dollars per share) | $ / shares $ 3.64