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STOCK-BASED COMPENSATION PLANS - Activity of unvested Restricted Stock Awards (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Restricted Stock      
STOCK-BASED COMPENSATION PLANS      
Vesting period 5 years    
Restricted Shares      
Unvested, beginning of period (in shares) 149,563 133,520  
Awards (in shares) 88,929 70,338  
Forfeitures (in shares) (14,457) (2,648)  
Vestings (in shares) (78,279) (51,647)  
Unvested, end of period (in shares) 145,756 149,563 133,520
Weighted-average grant date fair value      
Unvested, beginning of period (in dollars per share) $ 62.31 $ 67.89  
Awards (in dollars per share) 44.43 54.03  
Forfeitures (in dollars per share) 61.68 60.56  
Vestings (in dollars per share) 62.41 65.55  
Unvested, end of period (in dollars per share) $ 51.43 $ 62.31 $ 67.89
Unrecognized stock-based compensation expense $ 4,500    
Award vesting period 5 years    
Weighted-average period for recognition of unrecognized compensation cost 1 year 8 months 12 days    
Total fair value of restricted stock vested $ 4,900 $ 3,400 $ 3,100
Performance Awards      
STOCK-BASED COMPENSATION PLANS      
Stock-based compensation expense $ 5,600 $ 4,500 $ 3,800
Vesting period 3 years    
Restricted Shares      
Unvested, beginning of period (in shares) 81,138 31,999  
Awards (in shares) 60,358 52,588  
Forfeitures (in shares) (25,139) (2,874)  
Vestings (in shares) (7,483) (575)  
Unvested, end of period (in shares) 108,874 81,138 31,999
Weighted-average grant date fair value      
Unvested, beginning of period (in dollars per share) $ 27.15 $ 34.93  
Awards (in dollars per share) 21.32 25.36  
Forfeitures (in dollars per share) 29.54 34.93  
Vestings (in dollars per share) 31.31 34.93  
Unvested, end of period (in dollars per share) $ 25.02 $ 27.15 $ 34.93
Unrecognized stock-based compensation expense $ 1,700    
Award vesting period 3 years    
Weighted-average period for recognition of unrecognized compensation cost 1 year 10 months 24 days    
Total fair value of restricted stock vested $ 200   $ 20
Performance Awards | Granted prior to 2022      
STOCK-BASED COMPENSATION PLANS      
Vesting period 5 years    
Weighted-average grant date fair value      
Award vesting period 5 years    
Performance Awards | Granted in 2022 and thereafter      
STOCK-BASED COMPENSATION PLANS      
Vesting period 3 years    
Weighted-average grant date fair value      
Award vesting period 3 years