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Reinsurance - Current Ratings from Rating Agencies and Unsecured Net Amounts Due from Reinsurers Whose Aggregate Balance Exceeded 3% of Stockholders' Equity (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Ceded Credit Risk [Line Items]
Reinsurance unsecured amounts due from reinsurers total	$ 175,094	$ 263,572
Everest Reinsurance Company [Member] | AM Best, A+ Rating [Member] | Standard & Poor's, A+ Rating [Member] | Moody's, A1 Rating [Member]
Ceded Credit Risk [Line Items]
Reinsurance unsecured amounts due from reinsurers total	23,332	87,789
Florida Hurricane Catastrophe Fund [Member]
Ceded Credit Risk [Line Items]
Reinsurance unsecured amounts due from reinsurers total		33,593
Odyssey Reinsurance Company [Member] | AM Best, A Rating [Member] | Standard & Poor's, A- Rating [Member] | Moody's, A3 Rating [Member]
Ceded Credit Risk [Line Items]
Reinsurance unsecured amounts due from reinsurers total	$ 151,762	$ 142,190

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- Details

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- Definition

Represents total unsecured net amounts due from reinsurers whose aggregate balance exceeded 3% of stockholders' equity as of the reporting date.

+ References

No definition available.

+ Details

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