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Investments (Gross Gains And Losses Realized) (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Investments [Abstract] |  |  |  |
Proceeds on sales of available for sale securities | $ 0 | $ 14,882,000 | $ 0 | $ 14,882,000
Gross realized gains on available for sale securities sold | 0 | 237,000 | 0 | 237,000
Gross realized losses on available for sale securities sold | 0 | 87,000 | 0 | 87,000
Net realized available for sale securities gains (losses) | 0 | 150,000 | 0 | 150,000
Gross unrealized gains recognized on equity securities still held | 109,000 | 26,000 | 99,000 | 62,000
Gross unrealized losses recognized on equity securities still held | (51,000) | (289,000) | (34,000) | (330,000)
Net unrealized (losses) gains recognized on equity securities still held | $ 58,000 | $ (263,000) | $ 65,000 | $ (268,000)

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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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