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Investments (Components Of Net Realized and Unrealized Gains and Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Gain (Loss) on Securities [Line Items] |  |  |  |
Net realized gains (losses) on disposals of securities, fixed income securities (excluding OTTI charges) | $ 20,425 | $ (751) | $ 26,752 | $ 4,034
OTTI Charges | (2,291) | (1,426) | (3,366) | (5,459)
Net realized gains (losses) | 18,134 | (2,177) | 23,386 | (1,425)
Unrealized (losses) recognized in income on equity securities | (20,317) | (2,610) | (8,091) | (15,563)
Net realized and unrealized investment (losses) gains | (2,183) | (4,787) | 15,295 | (16,988)
Fixed Income Securities [Member] |  |  |  |
Gain (Loss) on Securities [Line Items] |  |  |  |
Net realized gains (losses) on disposals of securities, fixed income securities (excluding OTTI charges) | (1,141) | (9,413) | 2,063 | (13,922)
Equity Securities [Member] |  |  |  |
Gain (Loss) on Securities [Line Items] |  |  |  |
Net realized gains (losses) on disposals of securities, fixed income securities (excluding OTTI charges) | 21,602 | 8,665 | 24,733 | 17,960
Short-Term Investments [Member] |  |  |  |
Gain (Loss) on Securities [Line Items] |  |  |  |
Net realized gains (losses) on disposals of securities, fixed income securities (excluding OTTI charges) | (36) | 2 | (21) | 1
Other Investments [Member] |  |  |  |
Gain (Loss) on Securities [Line Items] |  |  |  |
Net realized gains (losses) on disposals of securities, fixed income securities (excluding OTTI charges) | $ 0 | $ (5) | $ (23) | $ (5)

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