EARNINGS PER COMMON SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Numerator:
Net income	$ 24,534	$ 8,009
Net income available for common shareholders	$ 24,534	$ 8,009
Denominator:
Basic weighted average shares	7,899,278	7,890,266
Earnings per common share - basic	$ 3.11	$ 1.02
Numerator:
Net income	$ 24,534	$ 8,009
Net income available for common shareholders	$ 24,534	$ 8,009
Denominator:
Basic weighted average shares	7,899,278	7,890,266
Diluted effect of common stock equivalents:
Total diluted effect of common stock equivalents	62,626	24,695
Diluted weighted average shares	7,961,904	7,914,961
Earnings per common share - diluted	$ 3.08	$ 1.01
Time Vesting Units
Diluted effect of common stock equivalents:
Diluted effect of common stock equivalents	32,995	9,315
Financial Performance Units
Diluted effect of common stock equivalents:
Diluted effect of common stock equivalents	16,160	2,071
Market Performance Units
Diluted effect of common stock equivalents:
Diluted effect of common stock equivalents	13,471	13,309