FEDERAL, FOREIGN, AND STATE CURRENT AND DEFERRED INCOME TAX Unrecognized Tax Benefits (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Tax Disclosure [Abstract]
Balance	$ 567	$ 2,592	$ 12,608
Reductions due to expiration of assessment period	(567)	(2,025)	(10,016)
Balance	$ 0	$ 567	$ 2,592