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INCOME TAXES (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended 9 Months Ended
Sep. 30, 2012
Jun. 30, 2012
Sep. 30, 2011
Jun. 30, 2012
Sep. 30, 2012
Sep. 30, 2011
INCOME TAXES [Abstract]            
Income Tax Benefit (Provision) $ 181   $ (740) $ 44,315 $ 37,254 $ (1,141)
Income Tax (Benefit) Provision Related to Acquisition   37,462     37,462  
Income tax (benefit) provision acquisition adjustment         7,242  
Income Tax (Benefit) Provision Acquisition         208  
Change in Unrecognized Tax Benefits Related to Acquisition         2,100  
Change in Unrecognized Tax Benefits         $ 0