EARNINGS PER COMMON SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Numerator
Net income	$ (662)	$ 5,923	$ 8,895	$ 10,328
Net Income (Loss) Available to Common Stockholders, Basic	$ (3,185)	$ 5,923	$ 6,068	$ 10,328
Denominator
Basic weighted average common shares (in shares)	37,357,112	37,147,942	37,321,813	37,092,683
Dilutive stock options and restricted stock units (in shares)	0	43,745	467,991	26,322
Dilutive weighted average common shares (in shares)	37,357,112	37,191,687	37,789,804	37,119,005
Basic earnings per common share (USD per shares)	$ (0.09)	$ 0.16	$ 0.16	$ 0.28
Dilutive earnings per common share (USD per shares)	$ (0.09)	$ 0.16	$ 0.16	$ 0.28