EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
EARNINGS PER SHARE
Net income	$ 3,381	$ 2,530	$ 5,434	$ 4,773
Weighted-average common shares outstanding	5,832,000	5,777,000	5,825,000	5,771,000
Basic and diluted earnings per share	$ 0.58	$ 0.44	$ 0.93	$ 0.83
Potential common shares outstanding			0	0