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Losses And Loss Adjustment Expenses (Tables) | 12 Months Ended
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Dec. 31, 2011
Losses And Loss Adjustment Expenses [Abstract] |
Activity In The Reserves For Losses And Loss Adjustment Expenses |
|  | Year Ended December 31, |
|  | 2011 |  |  | 2010 |  |  | 2009 |
|  | (Amounts in thousands) |
Gross reserves at January 1 |  | $ | 1,034,205 |  |  | $ | 1,053,334 |  |  | $ | 1,133,508 |
Less reinsurance recoverable |  |  | (6,805 | ) |  |  | (7,748 | ) |  |  | (5,729 | )
Net reserves at January 1 |  |  | 1,027,400 |  |  |  | 1,045,586 |  |  |  | 1,127,779 |
Incurred losses and loss adjustment expenses related to: |  |  |  |  |  |  |  |  |  |  |  |
Current year |  |  | 1,810,711 |  |  |  | 1,838,824 |  |  |  | 1,840,268 |
Prior years |  |  | 18,494 |  |  |  | (13,058 | ) |  |  | (58,035 | )
Total incurred losses and loss adjustment expenses |  |  | 1,829,205 |  |  |  | 1,825,766 |  |  |  | 1,782,233 |
Loss and loss adjustment expense payments related to: |  |  |  |  |  |  |  |  |  |  |  |
Current year |  |  | 1,265,188 |  |  |  | 1,240,696 |  |  |  | 1,246,804 |
Prior years |  |  | 614,059 |  |  |  | 603,256 |  |  |  | 617,622 |
Total payments |  |  | 1,879,247 |  |  |  | 1,843,952 |  |  |  | 1,864,426 |
Net reserves at year-end |  |  | 977,358 |  |  |  | 1,027,400 |  |  |  | 1,045,586 |
Reinsurance recoverable |  |  | 7,921 |  |  |  | 6,805 |  |  |  | 7,748 |
Gross reserves at year-end |  | $ | 985,279 |  |  | $ | 1,034,205 |  |  | $ | 1,053,334 |

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- Definition Tabular disclosure of an adjustment or group of similar adjustments to the opening balance of the estimated reserve for unpaid claims and claims adjustment expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6482485&loc=d3e14764-158437 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6801783&loc=d3e22499-107794 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 94-5 -Paragraph 11 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 250 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6801783&loc=d3e22644-107794 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 154 -Paragraph 17, 26 -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 FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 1.N.Q3) -URI http://asc.fasb.org/extlink&oid=6369664&loc=d3e30840-122693 + Details
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