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Fair Value Measurements (Tables) | 12 Months Ended
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Dec. 31, 2011 | Dec. 31, 2010
Fair Value Measurements [Abstract] |  |
Schedule Of Assets And Liabilities Measured At Fair Value On A Recurring Basis |
Description |  | Fair Value at December 31, 2011 |  |  | Fair Value Measurements at December 31, 2011 Using |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available-for-sale securities |  | $ | 163 |  |  | $ | 163 |  |  |  | — |  |  |  | — |
Description |  | Fair Value at December 31, 2010 |  |  | Fair Value Measurements at December 31, 2010 Using |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available-for-sale securities |  | $ | 157 |  |  | $ | 157 |  |  |  | — |  |  |  | — |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative financial instrument |  | $ | 399 |  |  |  | — |  |  | $ | 399 |  |  |  | — |

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 820 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19190-110258 + Details
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