EARNINGS PER COMMON SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Numerator:
Net income available for common shareholders	$ 6,277	$ 8,696	$ 12,276	$ 10,030
Denominator:
Basic weighted average shares	7,961,785	7,890,337	7,948,796	7,876,951
Earnings per common share - basic	$ 0.79	$ 1.10	$ 1.54	$ 1.27
Numerator:
Net income	$ 6,277	$ 8,696	$ 12,276	$ 10,030
Denominator:
Basic weighted average shares	7,961,785	7,890,337	7,948,796	7,876,951
Diluted effect of common stock equivalents:
Total diluted effect of common stock equivalents	252,115	38,181	211,463	52,615
Diluted weighted average shares	8,213,900	7,928,518	8,160,259	7,929,566
Earnings per common share - diluted	$ 0.76	$ 1.10	$ 1.50	$ 1.26
Stock options
Diluted effect of common stock equivalents:
Diluted effect of common stock equivalents	35,849		20,386
Time Vesting Units
Diluted effect of common stock equivalents:
Diluted effect of common stock equivalents	131,684	18,401	117,107	23,517
Financial Performance Units
Diluted effect of common stock equivalents:
Diluted effect of common stock equivalents	70,746	6,558	59,953	15,804
Market Performance Units
Diluted effect of common stock equivalents:
Diluted effect of common stock equivalents	13,836	13,222	14,017	13,294