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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2013
Accounting Policies [Abstract] |
Estimated Fair Value Of Financial Instruments | The following table presents estimated fair values of financial instruments at December 31, 2013 and 2012.
| December 31,
| 2013 |  | 2012
| (Amounts in thousands)
Assets |  |  |
Investments | $ | 3,158,312 |  |  | $ | 3,180,095 |
Total return swap | $ | 1,650 |  |  | $ | 0 |
Liabilities |  |  |
Interest rate swap agreements | $ | 0 |  |  | $ | 103 |
Equity contracts | $ | 140 |  |  | $ | 175 |
Secured notes | $ | 140,000 |  |  | $ | 140,000 |
Unsecured note | $ | 50,000 |  |  | $ | 0 |
Direct Premium Attributable By Segment | The annual direct premiums written attributable to the Company's lines of insurance were as follows:
| Year Ended December 31,
| 2013 |  | 2012 |  | 2011
| (Amounts in thousands)
Private passenger automobile | $ | 2,165,557 |  |  | $ | 2,140,531 |  |  | $ | 2,105,602 |
Homeowners | 340,013 |  |  | 318,295 |  |  | 285,188 |
Commercial automobile | 104,689 |  |  | 74,655 |  |  | 75,642 |
Other lines | 127,213 |  |  | 122,239 |  |  | 113,251 |
Total | $ | 2,737,472 |  |  | $ | 2,655,720 |  |  | $ | 2,579,683 |

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