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REINSURANCE (DETAILS) (USD $)
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3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2012
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Sep. 30, 2012
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Jun. 30, 2012
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Mar. 31, 2012
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Premiums written: | |||||||||||
| Gross | $ 4,697,041,000 | $ 4,139,643,000 | $ 4,096,153,000 | ||||||||
| Ceded | (768,841,000) | (802,187,000) | (676,719,000) | ||||||||
| Net | 3,928,200,000 | 3,337,456,000 | 3,419,434,000 | ||||||||
| Premiums earned: | |||||||||||
| Gross | 4,459,269,000 | 4,141,037,000 | 3,973,956,000 | ||||||||
| Ceded | (752,204,000) | (725,574,000) | (658,995,000) | ||||||||
| Net | 941,911,000 | 945,242,000 | 945,873,000 | 874,039,000 | 856,049,000 | 862,447,000 | 850,603,000 | 846,362,000 | 3,707,065,000 | 3,415,463,000 | 3,314,961,000 |
| Reinsurance receivables: | |||||||||||
| Ceded losses and loss expenses | 415,000,000 | 396,000,000 | 450,000,000 | ||||||||
| Provision for unrecoverable reinsurance | $ 18,000,000 | $ 16,000,000 | $ 18,000,000 | $ 16,000,000 | |||||||
| Percentage of gross reinsurance recoverables collectible from reinsurers rated A- or better by A.M. Best | 98.80% | 98.80% | 98.80% | 98.80% | |||||||