EARNINGS PER COMMON SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Numerator
Net Income Available to Common Stockholders, Basic	$ 14,643	$ 9,242	$ 17,020	$ 15,310
Denominator
Weighted-average number of common shares outstanding, basic	47,359,949	37,358,334	43,358,620	37,334,120
Dilutive stock options and restricted stock units (in shares)	517,253	470,239	481,930	443,338
Weighted-average number of common shares outstanding, diluted (in shares)	47,877,202	37,828,573	43,840,550	37,777,458
Basic common share	$ 0.31	$ 0.25	$ 0.39	$ 0.41
Diluted common share	$ 0.31	$ 0.24	$ 0.39	$ 0.41