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Investments (Composition Of Net Realized Securities Gains (Losses)) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Investments [Abstract] |  |  |  |
Proceeds | $ 7,262 | $ 82 | $ 40,117 | $ 82
Gross gains realized |  |  | 12 |
Gross losses realized | (517) | (19) | (1,131) | (19)
Net (losses) gains realized | (517) | (19) | (1,119) | (19)
Tax benefit (provision) on net (losses) gains realized | $ 109 | $ 4 | $ 235 | $ 4

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