v2.4.0.6
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Statement Of Income And Comprehensive Income Abstract      
Accumulated other comprehensive income (loss) beginning balance $ 0 $ (7,277) $ (13,432)
Derivative Instrument and Hedging Activities [Line Items]      
Net (gain) loss on derivative instruments 0 5,643 6,155
Income (taxes) benefit 0 (2,149) (2,431)
Net gain (loss) on derivatives, net of taxes and before valuation allowance 0 9,492 3,724
Valuation allowance - (decrease) increase 0 0 (2,431)
Net gain (loss), net of taxes 0 9,492 6,155
Reclassification to the income statement due to hedge ineffectiveness 0 (2,215) 0
Net activity 0 7,277 6,155
Prior period correction recorded in the current period 0 5,998 0
Accumulated other comprehensive income (loss) ending balance $ 0 $ 0 $ (7,277)