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           Income Taxes (Schedule Of Net Operating Loss And Tax Credit Carryovers) (Details) (USD $) 
        In Thousands, unless otherwise specified  | 
        12 Months Ended | 
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| 
           Dec. 31, 2011 
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| Income Taxes [Abstract] | |
| State net operating loss | $ 88,963 | 
| State net operating loss, Expiration Year | 2020-2025 | 
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- Details 
          
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- Definition 
          The sum of domestic, foreign and state and local operating loss carryforwards, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          The expiration date of each operating loss carryforward included in total operating loss carryforwards, or the applicable range of such expiration dates. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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