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Investments (Details) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2013
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Dec. 31, 2012
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|---|---|---|
| Investments, All Other Investments [Abstract] | ||
| Long-term restricted investments | $ 3,999 | $ 3,999 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
This element represents the noncurrent portion of investments which are not defined as or included in marketable (debt, equity, or other) securities that are pledged or subject to withdrawal restrictions. No definition available.
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