Annual report pursuant to Section 13 and 15(d)

EMPLOYEE BENEFITS AND STOCK BASED COMPENSATION (Summary of Stock Option Activity) (Details)

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EMPLOYEE BENEFITS AND STOCK BASED COMPENSATION (Summary of Stock Option Activity) (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Stock Options (shares)      
Number of Stock Options, Outstanding beginning balance 348,660    
Number of Stock Options, Granted 0    
Number of Stock Options, Exercised (104,514) (46,278) (56,619)
Number of Stock Options, Forfeited (3,932)    
Number of Stock Options, Expired (31,459)    
Number of Stock Options, Outstanding ending balance 208,755 348,660  
Number of Stock Options, Exercisable 192,561    
Weighted Average Exercise Price      
Weighted Average Exercise Price, Outstanding, beginning balance (in dollars per share) $ 33.81    
Weighted Average Exercise Price, Granted (in dollars per share) 0    
Weighted Average Exercise Price, Exercised (in dollars per share) 29.83    
Weighted Average Exercise Price, Forfeited (in dollars per share) 32.17    
Weighted Average Exercise Price, Expired (in dollars per share) 36.53    
Weighted Average Exercise Price, Outstanding, beginning balance (in dollars per share) 35.43 $ 33.81  
Weighted Average Exercise Price, Exercisable (in dollars per share) $ 35.73    
Weighted Average Remaining Contractual Life, Outstanding 1 year 1 month 9 days    
Weighted Average Remaining Contractual Life, Exercisable 1 year 14 days    
Aggregate Intrinsic Value, Outstanding $ 529,246 $ 798,000 $ 2,300,000
Aggregate Intrinsic Value, Exercisable $ 440,827