EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Net Income
Net income	$ 11,116	$ 11,696	$ 32,843	$ 26,579
Diluted Earnings Per Common Share: Net income attributable to common shareholders and assumed conversions	$ 11,116	$ 11,696	$ 32,843	$ 26,579
Weighted Average Shares
Basic Earnings Per Common Share: Average Shares	25,580,316	24,016,237	24,951,821	22,786,961
Effect of dilutive warrants (in shares)	321,370	202,238	317,899	182,327
Effect of dilutive stock options (in shares)	70,513	103,137	79,908	101,777
Diluted Earnings Per Common Share: Average Shares	25,972,199	24,321,612	25,349,628	23,071,065
Earnings per Common Share
Basic Earnings Per Common Share: Net income (in dollars per share)	$ 0.43	$ 0.49	$ 1.32	$ 1.17
Diluted Earnings Per Common Share: Net income attributable to common shareholders and assumed conversions (in dollars per share)	$ 0.43	$ 0.48	$ 1.30	$ 1.15
Stock options
Earnings per Common Share
Antidilutive options	0	0