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STOCK BASED COMPENSATION PLANS - Restricted Stock Award Activity (Details) - Restricted Stock Awards - $ / shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Number of Awards Outstanding    
Awarded (in shares) 39,565 0
Vested (in shares) (39,565)  
Weighted Average Grant Date Fair Value    
Granted (usd per share) $ 23.59  
Vested (usd per share) $ 23.59