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Derivative Instruments (Details) (USD $)
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12 Months Ended | |||||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2012
Interest Rate Swap [Member]
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Dec. 20, 2012
Interest Rate Swap [Member]
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Dec. 31, 2012
Other Long-term Liabilities [Member]
Interest Rate Swap [Member]
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| Derivative [Line Items] | ||||||
| Derivative, notional amount | $ 187,500,000 | |||||
| Derivative, fixed interest rate | 0.8525% | |||||
| Interest rate, all inclusive | 2.3525% | |||||
| Change in fair value of derivative instrument | (471,000) | 0 | 0 | 471,000 | ||
| Derivative liability, fair value, gross liability | $ 755,000 | |||||
| X | ||||||||||
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- Definition
Debt Instrument, Interest Rate, Including Derivative Fixed Rate No definition available.
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- Definition
Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Fixed interest rate related to the interest rate derivative. No definition available.
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- Details
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- Definition
Net of tax amount, before reclassification adjustments, of the change in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Also includes an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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