INCOME TAXES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Income tax benefit (provision)			$ (4,765)	$ 2,175
Pre-tax income (loss)	(3,725)	5,650	(7,591)	6,393
Effective income tax rate			62.80%	34.00%
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions	3,000
Unrecognized tax benefits	4,581		4,581		7,807
Accrued interest and penalties	710		710		1,644
Estimated interest and penalties benefit			(938)	(103)
Significant change in unrecognized tax benefits is reasonably possible, estimated range of change, lower bound	500		500
Significant change in unrecognized tax benefits is reasonably possible, estimated range of change, upper bound	$ 1,100		$ 1,100