SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net income	$ 9,472	$ 9,172	$ 10,211
Weighted-average common shares outstanding	5,640	5,588	5,538
Basic earnings per share	$ 1.68	$ 1.64	$ 1.84
Weighted-average common shares outstanding	5,640	5,588	5,538
Common stock equivalents due to effect of stock options	2	2	4
Total weighted-average common shares and equivalents	5,642	5,590	5,542
Diluted earnings per share	$ 1.68	$ 1.64	$ 1.84