EARNINGS PER SHARE - Calculation of earnings per share (Details) - Calculation of earnings per share - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net income	$ 8,457	$ 2,521	$ 4,083
Less: Preferred stock dividends declared	(158)	(166)	(161)
Net income available to common shareholders	8,299	2,355	3,922
Less: Undistributed earnings allocated to participating securities	(72)	(27)	(39)
Net income allocated to common stock	$ 8,227	$ 2,328	$ 3,883
Weighted average common shares issued	2,730	1,785	1,710
Less: Unvested restricted stock awards	$ (24)	$ (21)	$ (19)
Weighted average common shares outstanding used to calculate basic earnings per common share	2,706	1,764	1,691
Add: Dilutive effect of unvested restricted stock awards	$ 17	$ 1
Weighted average common shares outstanding used to calculate diluted earnings per common share	2,723	1,765	1,691
Earnings per common share (basic)	$ 3.04	$ 1.32	$ 2.30
Earnings per common share (diluted)	$ 3.02	$ 1.32	$ 2.30