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INCENTIVE STOCK PLANS - Schedule of Restricted Stock Activity (Details) - $ / shares
12 Months Ended
May 08, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Restricted Stock        
Number of Shares        
Beginning Balance (in shares)   169,114    
Granted (in shares)   100,452 24,592 87,924
Vested (in shares)   (109,764)    
Cancelled (in shares)   (982)    
Ending Balance (in shares)   158,820 169,114  
Weighted Average Grant Date Fair Value        
Beginning Balance (in dollars per share)   $ 29.45    
Granted (in dollars per share)   23.15 $ 30.90 $ 35.44
Vested (in dollars per share)   25.10    
Cancelled (in dollars per share)   30.46    
Ending Balance (in dollars per share)   $ 28.47 $ 29.45  
Restricted Stock Units (RSUs)        
Number of Shares        
Beginning Balance (in shares)   102,297    
Granted (in shares)   171,409 103,634 0
Vested (in shares)   (6,868)    
Cancelled (in shares)   (1,316)    
Ending Balance (in shares)   265,522 102,297  
Weighted Average Grant Date Fair Value        
Beginning Balance (in dollars per share)   $ 31.50    
Granted (in dollars per share)   22.58 $ 31.51 $ 0
Vested (in dollars per share)   31.71    
Cancelled (in dollars per share)   28.35    
Ending Balance (in dollars per share)   $ 25.75 $ 31.50  
Replacement Restricted Stock Awards        
Number of Shares        
Granted (in shares) 69,176 69,176    
Vested (in shares)   (15,049)