BASIC AND DILUTED EARNINGS PER COMMON SHARE - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Basic:
Income available to common shareholders	$ 9,133	$ 4,441	$ 18,431	$ 16,105
Average basic shares outstanding	37,549,804	33,907,178	36,626,290	33,286,933
Basic earnings per share	$ 0.24	$ 0.13	$ 0.5	$ 0.48
Diluted:
Income available to common shareholders plus assumed conversions	$ 9,133	$ 4,441	$ 18,431	$ 16,105
Average basic shares outstanding	37,549,804	33,907,178	36,626,290	33,286,933
Restricted stock and stock options	620,059	286,362	631,843	237,785
Average diluted shares outstanding	38,169,863	34,193,540	37,258,133	33,524,718
Diluted earnings per share	$ 0.24	$ 0.13	$ 0.49	$ 0.48