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Fair Value (Total Amount Of Gains And Losses From Changes In Fair Value Included In Earnings) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Fair Value [Abstract] |  |  |  |
Interest income | $ 40 | $ 59 | $ 117 | $ 118
Interest expense | 0 | 0 | 0 | 0
Change in fair value | 0 | 0 | 0 | 0
Total change in fair value | $ 40 | $ 59 | $ 117 | $ 118

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