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Interest Rate Swap Agreements - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2012
Agreement
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Dec. 31, 2011
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Dec. 31, 2010
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| Derivative [Line Items] | |||
| Number of interest rate swap agreements | 3 | ||
| Changes in fair values are reclassified from accumulated other comprehensive income (loss) into earnings | $ 12,979 | $ 15,929 | $ 11,771 |
| Losses accumulated in other comprehensive income related to a previously terminated interest rate swap agreement | 18,147 | ||
| Amortized Interest Expenses related to a previously terminated interest rate swap agreement | $ 2,470 | $ 4,236 | $ 4,633 |
| X | ||||||||||
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- Definition
Amount of accumulated losses in other comprehensive loss related to a previously terminated interest rate swap agreement. No definition available.
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- Definition
The amount of expense charged against earnings by the entity's amortization of a loss on a terminated interest rate swap agreement that had been designated as a cash flow hedge. No definition available.
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- Definition
Amount of reclassification to earnings for interest rate swap agreements during the periods presented. No definition available.
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- Details
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- Definition
Number of interest rate derivative instruments held by the entity at the reporting date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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