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Investments (Gross Gains And Losses Realized) (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Investments [Abstract] |  |  |
Gross unrealized gains recognized on equity securities still held | $ 517,000 | $ 769,000 | $ 38,000
Gross unrealized losses recognized on equity securities still held | (342,000) | (337,000) | (1,623,000)
Net unrealized gains (losses) recognized on equity securities still held | 175,000 | 432,000 | (1,585,000)
Gross realized gains | 5,000 | 996,000 | 4,000
Gross realized losses | (2,830,000) | (5,904,000) | 0
Net realized investment security (losses) gains | (2,825,000) | (4,908,000) | 4,000
Proceeds from sales | $ 33,394,000 | $ 205,627,000 | $ 0

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- Definition Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-9 + Details
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- Definition Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-9 + Details
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- Definition Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-9 + Details
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