EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Net Income
Net income attributable to common shareholders	$ 6,117	$ 9,660	$ 14,883	$ 17,323
Net income attributable to common shareholders and assumed conversions	$ 6,117	$ 9,660	$ 14,883	$ 17,323
Weighted Average Shares
Net income attributable to common shareholders (in shares)	22,723,781	21,668,171	22,165,535	21,679,856
Effect of dilutive warrants (in shares)	179,602	151,965	171,132	141,609
Effect of dilutive stock options (in shares)	104,409	102,157	104,475	98,677
Net income attributable to common shareholders and assumed conversions (in shares)	23,007,792	21,922,293	22,441,142	21,920,142
Earnings per Common Share
Net income attributable to common shareholders (in dollars per share)	$ 0.27	$ 0.45	$ 0.67	$ 0.80
Net income attributable to common shareholders and assumed conversions (in dollars per share)	$ 0.27	$ 0.44	$ 0.66	$ 0.79
Stock options
Earnings per Common Share
Common shares not considered in computing diluted earnings per share	0	3,400	0	14,671