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Fair Value Option (Tables) | 6 Months Ended
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Jun. 30, 2015
Fair Value Option [Abstract] |
Gains And Losses Due To Changes In Fair Value Of Investments | The following table presents (losses) gains due to changes in fair value of investments that are measured at fair value pursuant to application of the fair value option:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2015 |  | 2014 |  | 2015 |  | 2014
| (Amounts in thousands)
Fixed maturity securities | $ | (30,257 | ) |  | $ | 33,015 |  |  | $ | (29,007 | ) |  | $ | 69,613 |
Equity securities | (10,960 | ) |  | 8,528 |  |  | (17,296 | ) |  | 17,640 |
Short-term investments | 435 |  |  | (131 | ) |  | 636 |  |  | (142 | )
Total | $ | (40,782 | ) |  | $ | 41,412 |  |  | $ | (45,667 | ) |  | $ | 87,111 |

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- Definition Fair Value Option [Abstract] + References No definition available. + Details
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- Definition Tabular disclosure of unrealized gains and losses on investments. + References No definition available. + Details
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