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EARNINGS PER COMMON SHARE (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2022
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Earnings Per Share [Abstract]                              
Numerator (Included in basic and diluted earnings per share) $ 4,043 $ 3,951 $ 3,130 $ 3,489 $ 3,919 $ 4,748 $ 3,543 $ 3,255 $ 3,436 $ 2,652 $ 2,217 $ 1,794 $ 14,613 $ 15,465 $ 10,099
Weighted average common shares outstanding for:                              
Basic earnings per common share                         7,529 7,491 7,446
Dilutive securities:                              
Deferred compensation                         79 58 36
Diluted common shares outstanding                         7,608 7,549 7,482
Basic earnings per common share $ 0.54 $ 0.52 $ 0.42 $ 0.46 $ 0.52 $ 0.63 $ 0.47 $ 0.44 $ 0.46 $ 0.36 $ 0.30 $ 0.24 $ 1.94 $ 2.06 $ 1.36
Diluted earnings per common share $ 0.53 $ 0.52 $ 0.41 $ 0.46 $ 0.52 $ 0.63 $ 0.47 $ 0.43 $ 0.46 $ 0.35 $ 0.30 $ 0.24 1.92 2.05 1.35
The average market price used in calculating assumed number of shares                         $ 19.52 $ 19.68 $ 15.89