Quarterly report pursuant to Section 13 or 15(d)

Effects of Interest Rates Swaps Designated as Cash Flow Hedges (Detail)

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Effects of Interest Rates Swaps Designated as Cash Flow Hedges (Detail) (Cash Flow Hedging, Interest Rate Swap, USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2013
Cash Flow Hedging | Interest Rate Swap
   
Derivative Instruments, Gain (Loss) [Line Items]    
Loss recognized in other comprehensive loss - effective portion $ (2,826) $ (2,826)
Loss recognized in other income (expense) - ineffective portion (334) (334)
Amount reclassified from other comprehensive income (loss) into interest expense, net $ 65 $ 65