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Segment Information (Tables) | 12 Months Ended
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Dec. 31, 2011
Segment Reporting [Abstract] |
Revenue from Continuing Operations By Segment |
Revenue from Continuing Operations by Segment |  |  |  |  |  |
Years ended December 31, |  |  |  |  |  |
($ in thousands) |  | 2011 |  | 2010 |  | 2009
Insurance Operations: |  |  |  |  |  |
Net premiums earned: |  |  |  |  |  |
Commercial automobile | $ | 279,610 |  | 291,495 |  | 300,562
Workers compensation |  | 259,354 |  | 252,441 |  | 263,490
General liability |  | 344,682 |  | 336,475 |  | 362,479
Commercial property |  | 192,989 |  | 199,252 |  | 197,665
Business owners' policies |  | 66,225 |  | 65,260 |  | 62,638
Bonds |  | 18,910 |  | 19,243 |  | 18,455
Other |  | 13,091 |  | 10,116 |  | 9,663
Total Commercial Lines |  | 1,174,861 |  | 1,174,282 |  | 1,214,952
Personal automobile |  | 148,824 |  | 141,962 |  | 133,320
Homeowners |  | 102,764 |  | 87,862 |  | 73,076
Other |  | 12,864 |  | 12,492 |  | 9,699
Total Personal Lines |  | 264,452 |  | 242,316 |  | 216,095
Total net premiums earned |  | 1,439,313 |  | 1,416,598 |  | 1,431,047
Miscellaneous income |  | 8,069 |  | 9,230 |  | 10,440
Total Insurance Operations revenues |  | 1,447,382 |  | 1,425,828 |  | 1,441,487
Investments: |  |  |  |  |  |
Net investment income |  | 147,443 |  | 145,708 |  | 118,471
Net realized gains (losses) on investments |  | 2,240 |  | (7,083) |  | (45,970)
Total investment revenues |  | 149,683 |  | 138,625 |  | 72,501
Total all segments |  | 1,597,065 |  | 1,564,453 |  | 1,513,988
Other income |  | 410 |  | 168 |  | 30
Total revenues from continuing operations | $ | 1,597,475 |  | 1,564,621 |  | 1,514,018
Income From Continuing Operations, Before Federal Income Tax |
Income from Continuing Operations, Before Federal Income Tax |  |  |  |  |  |
Years ended December 31, |  |  |  |  |  |
($ in thousands) |  | 2011 |  | 2010 |  | 2009
Insurance Operations: |  |  |  |  |  |
Commercial Lines underwriting | $ | (59,428) |  | (1,668) |  | 14,388
Personal Lines underwriting |  | (47,491) |  | (20,499) |  | (12,003)
Underwriting (loss) income, before federal income tax |  | (106,919) |  | (22,167) |  | 2,385
GAAP combined ratio |  | 107.4 | % | 101.6 | % | 99.8
Statutory combined ratio |  | 106.7 | % | 101.6 | % | 100.5
Investments: |  |  |  |  |  |
Net investment income | $ | 147,443 |  | 145,708 |  | 118,471
Net realized gains (losses) on investments |  | 2,240 |  | (7,083) |  | (45,970)
Total investment income, before federal income tax |  | 149,683 |  | 138,625 |  | 72,501
Total all segments |  | 42,764 |  | 116,458 |  | 74,886
Interest expense |  | (18,259) |  | (18,616) |  | (19,386)
General corporate and other expenses |  | (16,440) |  | (15,886) |  | (16,314)
Income from continuing operations, before federal income tax | $ | 8,065 |  | 81,956 |  | 39,186

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- Definition Tabular disclosure of the revenue from continuing operations for each reportable segment, as a single block of text. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References No definition available. + Details
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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8721-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8736-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27, 28 -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 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6905597&loc=d3e13816-109267 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8813-108599 + Details
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