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Income Taxes (Schedule Of Roll Forward Of Valuation Allowance For Deferred Income Tax Assets) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income Taxes |  |  |
Valuation Allowance, Balance at beginning of year | $ 3,323 | $ 4,378 | $ 22,348
Charged to Costs and Expenses | 26 | 51 | (17,970)
Other Adjustments | (2,635) | (1,106) |
Valuation Allowance, Balance at end of period | $ 714 | $ 3,323 | $ 4,378

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- Definition Deferred Tax Assets, Valuation Allowance, Other Adjustments + References No definition available. + Details
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-2 + Details
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