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COMMITMENTS AND CONTINGENCIES (DETAILS 2)
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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| COMMITMENTS AND CONTINGENCIES [Abstract] | |||
| Disclosure limit - concentration risk | 10.00% | 10.00% | 10.00% |
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Reinsurance recoverable on unpaid and paid losses | Reinsurer [Member] | Largest balance [Member]
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| COMMITMENTS AND CONTINGENCIES [Abstract] | |||
| Concentration risk, percentage of total | 13.00% | 13.00% | |
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Reinsurance recoverable on unpaid and paid losses | Reinsurer [Member] | Second largest balance [Member]
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| COMMITMENTS AND CONTINGENCIES [Abstract] | |||
| Concentration risk, percentage of total | 10.00% | 11.00% | |
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Reinsurance recoverable on unpaid and paid losses | Reinsurer [Member] | Third largest balance [Member]
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| COMMITMENTS AND CONTINGENCIES [Abstract] | |||
| Concentration risk, percentage of total | 10.00% | 11.00% | |
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Reinsurance recoverable on unpaid and paid losses | Reinsurer [Member] | Top ten balances [Member] | A [Member]
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| COMMITMENTS AND CONTINGENCIES [Abstract] | |||
| Concentration risk, percentage of total | 70.00% | ||
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Reinsurance recoverable on unpaid and paid losses | Reinsurer [Member] | Top ten balances [Member] | A Plus [Member]
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| COMMITMENTS AND CONTINGENCIES [Abstract] | |||
| Concentration risk, percentage of total | 70.00% | ||
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Gross Premiums Written [Member] | Top three broker balances [Member]
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| COMMITMENTS AND CONTINGENCIES [Abstract] | |||
| Concentration risk, percentage of total | 63.00% | 62.00% | 62.00% |
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Gross Premiums Written [Member] | Top three broker balances [Member] | Aon [Member]
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| COMMITMENTS AND CONTINGENCIES [Abstract] | |||
| Concentration risk, percentage of total | 27.00% | 25.00% | 26.00% |
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Gross Premiums Written [Member] | Top three broker balances [Member] | Marsh [Member]
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| COMMITMENTS AND CONTINGENCIES [Abstract] | |||
| Concentration risk, percentage of total | 23.00% | 24.00% | 23.00% |
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Gross Premiums Written [Member] | Top three broker balances [Member] | Willis [Member]
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| COMMITMENTS AND CONTINGENCIES [Abstract] | |||
| Concentration risk, percentage of total | 13.00% | 13.00% | 13.00% |