Investments (Components Of Net Investment Income) (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2015 |
Jun. 30, 2014 |
Jun. 30, 2015 |
Jun. 30, 2014 |
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| Schedule of Investment Income, Reported Amounts, by Category [Line Items] | ||||
| Municipal bonds (tax-exempt) | $ 24,293 | $ 25,187 | $ 50,145 | $ 48,291 |
| Short-term investments, including overnight deposits | 1,116 | 1,608 | 2,367 | 3,082 |
| Dividends on equity securities | 18,633 | 14,508 | 37,657 | 31,364 |
| Income from equity method investments | 1,712 | 1,458 | 3,056 | 5,041 |
| Other | 479 | 523 | 540 | 1,702 |
| Total investment income | 94,396 | 96,007 | 191,166 | 186,943 |
| Investment expenses | (3,810) | (3,838) | (7,705) | (8,059) |
| Net investment income | 90,586 | 92,169 | 183,461 | 178,884 |
| Taxable Municipal Bonds [Member] | ||||
| Schedule of Investment Income, Reported Amounts, by Category [Line Items] | ||||
| Taxable bonds | 14,150 | 12,614 | 28,250 | 21,610 |
| Other Taxable Bonds [Member] | ||||
| Schedule of Investment Income, Reported Amounts, by Category [Line Items] | ||||
| Taxable bonds | $ 34,013 | $ 40,109 | $ 69,151 | $ 75,853 |
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- Definition This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Interest income derived from funds deposited with both domestic and foreign financial institutions including funds in money market and other accounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities exempt from state, federal and other income tax. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities subject to state, federal and other income tax. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of dividend income on nonoperating securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income and dividend income on nonoperating securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of expenses related to the generation of investment income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount, after investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Includes all other interest income, net of discount accretion and premium amortization, and dividend income. It may include dividend income from equity securities that do not have readily determinable fair values that are reportable in Other Assets, and interest income on interest-only strips receivable (not in the form of a security) that are included in Other Assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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