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Estimated Earned Premium and Incurred Losses (Detail) - Hiscox Bermuda - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Related Party Transaction [Line Items]
Assumed earned premium	$ 886	$ 1,802	$ 2,248	$ 2,816
Assumed losses and loss adjustment expenses	$ 239	$ 541	$ 643	$ 845

X

- Definition

Amount of earned premiums assumed from other entities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



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-Name Accounting Standards Codification



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-SubTopic 235



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X

- Definition

Amount of policy benefits and costs incurred for policies assumed.

+ References

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-Name Accounting Standards Codification



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-SubTopic 20



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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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