EARNINGS PER COMMON SHARE - Computation of earnings per share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Numerator:
Net income available to common shareholders	$ 5,225	$ 21,698
Denominator:
Basic weighted average shares (in shares)	9,541,050	9,461,349
Earnings per common share - basic (in dollars per share)	$ 0.55	$ 2.29
Numerator:
Net income available for common shareholders	$ 5,225	$ 21,698
Denominator:
Basic weighted average shares (in shares)	9,541,050	9,461,349
Diluted effect of common stock equivalents:
Total diluted effect of common stock equivalents (in shares)	184,860	252,274
Diluted weighted average shares (in shares)	9,725,910	9,713,623
Earnings per common share - diluted (in dollars per share)	$ 0.54	$ 2.23
Stock options
Diluted effect of common stock equivalents:
Diluted effect of common stock equivalents	4,006	42,944
Time Vesting Units
Diluted effect of common stock equivalents:
Diluted effect of common stock equivalents	67,740	117,774
Financial Performance Units
Diluted effect of common stock equivalents:
Diluted effect of common stock equivalents	113,114	88,143
Market Performance Units
Diluted effect of common stock equivalents:
Diluted effect of common stock equivalents	0	3,413