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Quarterly Financial Information | 12 Months Ended
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Dec. 31, 2011
Quarterly Financial Information [Abstract] |
Quarterly Financial Information | 19. Quarterly Financial Information (Unaudited) Summarized quarterly financial data for 2011 and 2010 are as follows:
|  | Quarter Ended |
|  | March 31 |  |  | June 30 |  |  | September 30 |  |  | December 31 |
|  | (Amounts in thousands, except per share data) |
2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net premiums earned |  | $ | 638,487 |  |  | $ | 642,331 |  |  | $ | 643,626 |  |  | $ | 641,613 |
Change in fair value of investments pursuant to the fair value option |  | $ | 20,904 |  |  | $ | 20,597 |  |  | $ | (64,312 | ) |  | $ | 54,100 |
Income (loss) before income taxes |  | $ | 76,911 |  |  | $ | 75,613 |  |  | $ | (18,118 | ) |  | $ | 110,693 |
Net income (loss) |  | $ | 58,226 |  |  | $ | 57,251 |  |  | $ | (3,782 | ) |  | $ | 79,469 |
Basic earnings per share |  | $ | 1.06 |  |  | $ | 1.04 |  |  | $ | (0.07 | ) |  | $ | 1.45 |
Diluted earnings per share |  | $ | 1.06 |  |  | $ | 1.04 |  |  | $ | (0.07 | )(1) |  | $ | 1.45 |
Dividends declared per share |  | $ | 0.60 |  |  | $ | 0.60 |  |  | $ | 0.60 |  |  | $ | 0.61 |
2010 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net premiums earned |  | $ | 640,614 |  |  | $ | 642,717 |  |  | $ | 642,558 |  |  | $ | 640,796 |
Change in fair value of investments pursuant to the fair value option |  | $ | 18,939 |  |  | $ | (30,537 | ) |  | $ | 87,647 |  |  | $ | (29,469 | )
Income (loss) before income taxes |  | $ | 81,290 |  |  | $ | 15,358 |  |  | $ | 135,839 |  |  | $ | (50,097 | )
Net income (loss) |  | $ | 61,179 |  |  | $ | 17,817 |  |  | $ | 96,849 |  |  | $ | (23,647 | )
Basic earnings per share |  | $ | 1.12 |  |  | $ | 0.33 |  |  | $ | 1.77 |  |  | $ | (0.43 | )
Diluted earnings per share |  | $ | 1.12 |  |  | $ | 0.32 |  |  | $ | 1.77 |  |  | $ | (0.43 | )(1)
Dividends declared per share |  | $ | 0.59 |  |  | $ | 0.59 |  |  | $ | 0.59 |  |  | $ | 0.60 |
(1) | The dilutive impact of incremental shares is excluded from loss position in accordance with GAAP.
Net income during 2011 was mainly affected by lower policy acquisition costs and operating expenses, offset by unfavorable development on loss reserves. The lower policy acquisition costs are due to the lower premium deficiency reserve and declines in other underwriting costs including agent contingent commissions. The operating expenses in 2011 decreased as a result of decreased consulting, advertising, and information technology expenditures. The unfavorable development of loss reserves is largely the result of re-estimates of California BI losses. The primary causes of the net loss during the third quarter of 2011 were driven by declines in the fair value of the Company's equity securities due to the overall decline in the equity markets. Net income during 2010 was mainly affected by lower net premiums earned and higher total losses incurred, slightly offset by favorable development on loss reserves, and lower gains due to changes in the fair value of the Company's investment portfolio. The favorable development of loss reserves is largely the result of re-estimates of California BI losses. Declines in income during the second quarter of 2010 were driven by declines in the fair value of the Company's equity securities due to the overall decline in the equity markets, especially in the oil sector as a result of the oil spill in the Gulf of Mexico. The primary causes of the net loss during the fourth quarter of 2010 were declines in the fair value of the Company's municipal securities due to the overall decline in the municipal markets, severe losses in California from heavy rainstorms, and increased losses and a premium deficiency reserve recorded in the Florida homeowners line of business.

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- Definition The entire disclosure for the quarterly financial data in the annual financial statements. The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section G -Subsection 1 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e725-108305 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 28 -Paragraph 23, 24 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e765-108305 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 28 -Paragraph 30 -Subparagraph a-j -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 302 -Paragraph a Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=6952194&loc=d3e1280-108306 + Details
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