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SHAREHOLDERS' EQUITY - Unvested Restricted Stock (Details) - Restricted Stock
12 Months Ended
Dec. 31, 2021
$ / shares
shares
Shares  
Unvested at beginning of the year (in shares) | shares 163,760
Granted (in shares) | shares 64,161
Vested (in shares) | shares (53,245)
Forfeited (in shares) | shares (39,230)
Unvested at end of the year (in shares) | shares 135,446
Weighted Average Grant- Date Fair Value  
Unvested at the beginning of the year (in dollars per share) | $ / shares $ 23.06
Granted (in dollars per share) | $ / shares 37.29
Vested (in dollars per share) | $ / shares 23.25
Forfeited (in dollars per share) | $ / shares 27.36
Unvested at the end of the year (in dollars per share) | $ / shares $ 28.48