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Adoption of Accounting Pronouncements (Tables) | 12 Months Ended
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Dec. 31, 2012
New Accounting Pronouncements and Changes in Accounting Principles [Abstract] |
Schedule Of New Accounting Pronouncements Balance Sheet Information |
Balance Sheet Information |  |  |  |
December 31, |  | 2011
($ in thousands) |  | As Originally Reported |  | As Restated
Deferred policy acquisition costs |  | 214,069 |  |  | 135,761 |
Total assets |  | 5,736,369 |  |  | 5,685,469 |
Stockholders' equity |  | 1,109,228 |  |  | 1,058,328 |
Book value per share |  | 20.39 |  |  | 19.45 |
Schedule Of New Accounting Pronouncements Income Statement Information |
Income Statement Information |  |  |  |  |  |  |  |
Year ended December 31, |  | 2011 |  | 2010
($ in thousands, except per share amounts) |  | As Originally Reported |  | As Restated |  | As Originally Reported |  | As Restated
Policy acquisition costs |  | 469,739 |  |  | 466,404 |  |  | 458,045 |  |  | 455,852 |
Income from continuing operations, before federal income taxes |  | 8,065 |  |  | 11,400 |  |  | 81,956 |  |  | 84,149 |
Net income |  | 19,865 |  |  | 22,033 |  |  | 65,541 |  |  | 66,966 |
Net income per share: |  |  |  |  |  |  |  |
Basic |  | 0.37 |  |  | 0.41 |  |  | 1.23 |  |  | 1.26 |
Diluted |  | 0.36 |  |  | 0.40 |  |  | 1.20 |  |  | 1.23 |
Schedule of New Accounting Pronouncements Other Information |
Other Information |  |  |  |  |  |  |  |
Year ended December 31, |  | 2011 |  | 2010
($ in thousands, except per share amounts) |  | As Originally Reported |  | As Restated |  | As Originally Reported |  | As Restated
Underwriting loss |  | (106,919 | ) |  | (103,584 | ) |  | (22,167 | ) |  | (19,974 | )
Combined ratio |  | 107.4 | % |  | 107.2 |  |  | 101.6 |  |  | 101.4 |

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- Definition Tabular disclosure of adoption of new accounting pronouncements, specifically the effects on certain Balance Sheet line items. + References No definition available. + Details
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- Definition Tabular disclosure of adoption of new accounting pronouncements, specifically the effects on certain Income Statement line items. + References No definition available. + Details
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