EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
EARNINGS PER SHARE
Net income	$ 3,504	$ 4,023	$ 10,869	$ 11,506
Weighted-average common shares outstanding, basic	5,982,000	5,915,000	5,964,000	5,890,000
Weighted-average common shares outstanding, diluted	5,982,000	5,915,000	5,964,000	5,890,000
Basic earnings per share	$ 0.58	$ 0.68	$ 1.82	$ 1.95
Diluted earnings per share	$ 0.58	$ 0.68	$ 1.82	$ 1.95
Potential common shares outstanding			0	0