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Investments (Gross Gains And Losses Realized On Sales Of Investments) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Investments [Abstract] |  |  |
Fixed maturity securities, Realized Gain | $ 2,306 | $ 1,884 | $ 2,413
Fixed maturity securities, Realized Loss | (6,690) | (4,296) | (1,066)
Fixed maturity securities, Realized Gain (Loss) | (4,384) | (2,412) | 1,347
Equity securities, Realized Gain | 64,061 | 75,591 | 47,411
Equity securities, Realized Loss | (18,826) | (80,134) | (28,089)
Equity securities, Realized Gain (Loss) | 45,235 | (4,543) | 19,322
Short-term investments, Realized Gain | 236 | 146 | 177
Short-term investments, Gross Realized Losses | (381) | (2,438) | (2,133)
Short-term investments, Realized Gain (Loss) | $ (145) | $ (2,292) | $ (1,956)

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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 -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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