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Financial Instruments Financial Instruments - Balance Sheet Grouping (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2011
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Dec. 31, 2010
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|---|---|---|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Letters of Credit Outstanding, Amount | $ 9,316 | |
| Debt Instrument, Basis Spread on Variable Rate, Minimum | 0.60% | |
| Debt Instrument, Basis Spread on Variable Rate, Maximum | 0.90% | |
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Carrying Value [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Senior credit facility | 50,000 | |
| Notes Payable | 885 | 1,521 |
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Fair Value [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Senior credit facility | 48,480 | |
| Notes Payable | $ 920 | $ 1,539 |
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LIBOR [Member]
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Debt Instrument, Basis Spread on Variable Rate, Minimum | 0.60% | |
| Debt Instrument, Basis Spread on Variable Rate, Maximum | 0.90% |
| X | ||||||||||
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- Definition
The maximum percentage points added to the reference rate to compute the variable rate on the debt instrument. No definition available.
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| X | ||||||||||
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- Definition
The minimum percentage points added to the reference rate to compute the variable rate on the debt instrument. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available.
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| X | ||||||||||
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- Definition
Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Carrying value as of the balance sheet date of debt not otherwise defined (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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