EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
EARNINGS PER SHARE
Net Income	$ 21,111	$ 13,763	$ 13,093
Less: Dividends paid on and earnings allocated to participating securities	(451)	(319)	(329)
Income attributable to common stock	$ 20,660	$ 13,444	$ 12,764
Weighted average common shares outstanding, including participating securities	14,792	11,633	9,622
Less: weighted average participating securities (in shares)	(319)	(278)	(242)
Weighted average common shares outstanding	14,473	11,355	9,380
Basic earnings per common share (in dollars per share)	$ 1.43	$ 1.18	$ 1.36
Income attributable to common stock	$ 20,660	$ 13,444	$ 12,764
Weighted average common shares outstanding	14,473	11,355	9,380
Weighted average common equivalent shares outstanding	4
Weighted average common and equivalent shares outstanding	14,477	11,355	9,380
Diluted earnings per common share (in dollars per share)	$ 1.43	$ 1.18	$ 1.36