EARNINGS PER SHARE - Computation of earnings per share (Details) - Calculation of earnings per share - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net income	$ 1,922	$ 1,985	$ 5,165	$ 6,290
Less: Preferred stock dividends declared		(40)		(120)
Net income available to common shareholders	1,922	1,945	5,165	6,170
Less: Undistributed earnings allocated to participating securities	(15)	(17)	(41)	(54)
Net income allocated to common stock	1,907	1,928	5,124	6,116
Weighted-average common shares issued	2,758	2,731	2,754	2,728
Less: Unvested restricted stock awards	(21)	(24)	(22)	(24)
Weighted average common shares outstanding used to calculate basic earnings per common share	2,737	2,707	2,732	2,704
Add: Dilutive effect of stock options	14	17	15	17
Weighted-average common shares outstanding used to calculate diluted earnings per common share	$ 2,751	$ 2,724	$ 2,747	$ 2,721
Earnings per common share (basic)	$ .70	$ .71	$ 1.88	$ 2.26
Earnings per common share (diluted)	$ .69	$ .71	$ 1.87	$ 2.25