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Investments (Realized Gains (Losses)) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Gain (Loss) on Securities [Line Items] |  |  |  |
Proceeds from Sale of Debt Securities, Available-for-sale |  |  | $ 13,690 | $ 30,348
Debt Securities [Member] |  |  |  |
Gain (Loss) on Securities [Line Items] |  |  |  |
Proceeds from Sale of Debt Securities, Available-for-sale | $ 9,446 | $ 1,520 | 13,690 | 30,348
Debt Securities, Available-for-sale, Realized Gain | 38 | 19 | 43 | 120
Debt Securities, Available-for-sale, Realized Loss | $ 436 | $ 1 | $ 453 | $ 103

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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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