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STOCK-BASED COMPENSATION, RSUs (Details) - RSU [Member] - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Stock-based Compensation [Abstract]        
Number of stock units awards granted (in shares) 105,290 0 105,290 0
Weighted average grant date fair value (in dollars per share) $ 19.60   $ 19.60  
Stock units vested (in shares) 0 0 0 0