MERGERS AND ACQUISITIONS - Pro Forma Information (Details) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2014 USD ($) $ / shares shares
Business Combinations [Abstract]
Net interest income	$ 118,700
Net income	19,778
Net income available to common stockholders	$ 17,981
Basic income per common share | $ / shares	$ 0.58
Diluted income per common share | $ / shares	$ 0.57
Weighted average basic common shares outstanding (in shares) | shares	31,193,728
Weighted average diluted common shares outstanding (in shares) | shares	31,296,065