EARNINGS PER SHARE ("EPS") (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Basic earnings per share
Net income	$ 6,126	$ 4,161	$ 17,997	$ 11,320
Less: Dividend on series B preferred stock	22	297	429	893
Net income available to common shareholders	$ 6,104	$ 3,864	$ 17,568	$ 10,427
Average common shares outstanding (in shares)	10,168,991	8,417,694	9,350,068	8,358,288
Basic earnings per common share (in dollars per share)	$ 0.60	$ 0.46	$ 1.88	$ 1.25
Diluted earnings per share
Net income attributable to common shares	$ 6,104	$ 3,864	$ 17,568	$ 10,427
Add: Dividend on series B preferred stock	$ 22	$ 297	$ 429	$ 893
Average common shares outstanding (in shares)	10,168,991	8,417,694	9,350,068	8,358,288
Dilutive potential common shares (in shares)	751,034	2,471,492	1,562,811	2,469,972
Total diluted average common shares outstanding (in shares)	10,920,025	10,889,186	10,912,879	10,828,260
Diluted earnings per common share (in dollars per share)	$ 0.56	$ 0.38	$ 1.65	$ 1.05
Common stock, dividend rate, percentage			10.00%