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Investments (Components Of Net Realized Gains, Excluding OTTI Charges) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Schedule of Available-for-sale and held-to-maturity Securities [Line Items] |  |  |  |
HTM securities realized gain | $ 0 | $ 3 | $ 3 | $ 5
HTM fixed income securities losses | 0 | 0 | (1) | (1)
Other investments gains | 3 | 0 | 3 | 0
Other investments losses | 0 | 0 | (4) | (654)
Total net realized gains (excluding OTTI charges) | 4,030 | 1,590 | 7,233 | 23,598
Proceeds from sale of available for sale securities | 27,000 | 12,700 | 132,900 | 170,600
Fixed Income Securities [Member] |  |  |  |
Schedule of Available-for-sale and held-to-maturity Securities [Line Items] |  |  |  |
AFS securities gains | 2,204 | 169 | 3,189 | 2,158
AFS securities losses | (40) | 0 | (81) | (130)
Equity Securities [Member] |  |  |  |
Schedule of Available-for-sale and held-to-maturity Securities [Line Items] |  |  |  |
AFS securities gains | 1,863 | 1,419 | 4,364 | 23,567
AFS securities losses | $ 0 | $ (1) | $ (240) | $ (1,347)

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