EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
EARNINGS PER SHARE
Net income (loss) from continuing operations	$ 5,336	$ (41,517)	$ 45	$ (44,388)
Loss from discontinued operations	(23)		(278)
Net income (loss) available to common stockholders	$ 5,313	$ (41,517)	$ (233)	$ (44,388)
Shares outstanding:
Weighted average shares outstanding	28,047,046	27,880,204	27,997,360	27,800,075
Effect of diluted securities	368,962		325,533
Diluted shares outstanding	28,416,008	27,880,204	28,322,893	27,800,075
Basic net income (loss) per common share:
Continuing operations (in dollars per share)	$ 0.19	$ (1.49)		$ (1.60)
Discontinued operations (in dollars per share)			$ (0.01)
Basic net income (loss) per common share (in dollars per share)	$ 0.19	$ (1.49)	$ (0.01)	$ (1.60)
Diluted net income (loss) per common share:
Continuing operations (in dollars per share)	$ 0.19	$ (1.49)		$ (1.60)
Discontinued operations (in dollars per share)			$ (0.01)
Diluted net income (loss) per common share (in dollars per share)	$ 0.19	$ (1.49)	$ (0.01)	$ (1.60)