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STOCK PLANS (Non-Vested Stock Option Activity) (Details) - Stock options - $ / shares
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Stock Plans      
Balance at beginning of year, Nonvested Options (in shares) 341,253    
Options granted (in shares) 145,213    
Vested (in shares) (167,616)    
Canceled (in shares) (591)    
Forfeited (in shares) (1,253)    
Balance at end of year, Nonvested Options (in shares) 317,006 341,253  
Nonvested stock options, Weighted Average Fair Value at Grant Date      
Balance at beginning of year, weighted average fair value at grant date (in dollars per share) $ 19.11    
Granted, weighted average fair value at grant date (in dollars per share) 27.42 $ 21.70 $ 15.97
Vested, weighted average fair value at grant date (in dollars per share) $ 18.41    
Canceled, weighted average fair value at grant date (in dollars per share) 15.91    
Forfeited, weighted average fair value at grant date (in dollars per share) $ 15.97    
Balance at end of year, weighted average fair value at grant date (in dollars per share) $ 13.93 $ 19.11