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Investments In Securities and Fair Value (Schedule Of Gross Realized Gains And Losses On Securities) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021
Debt Securities, Available-for-sale [Line Items] |  |
Equity securities, realized gains | $ 1,747 | $ 940
Debit and equity securities, realized gains | 1,747 | 940
Debt Securities, Available-for-sale, Realized Loss | 0 | (23)
Equity securities, realized losses | 0 | (596)
Other-than-temporary impairment, gross realized losses | 0 |
Debt and Equity Securities, Realized Loss | 0 | (619)
Debt and equity securities, net realized gain (loss) | 1,747 | 321
Gross gains on sales of other investments | 0 | 0
Gross losses on sales of other investments | 0 | 0
Net gains (losses) on sales of other investments | 0 | 0
Net realized investment gains (losses) | $ 1,747 | $ 321

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27357-111563 + Details
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