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v3.2.0.727

SUBSEQUENT EVENTS (DETAILS) - Scenario, Forecast [Member] - PartnerRe [Member] - $ / shares | Jul. 15, 2015 | May. 03, 2015
--- | --- | ---
Subsequent Event [Line Items] |  |
Special Dividend |  | $ 11.50
Subsequent Event [Member] |  |
Subsequent Event [Line Items] |  |
Special Dividend | $ 17.50 |
Preferred Shares, Basis Points Increase | 1.00% |

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- Definition Preferred Shares, Basis Points Increase + References No definition available. + Details
Name: | axs_PreferredSharesBasisPointsIncrease
Namespace Prefix: | axs_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition One-time amalgamation related special dividend. + References No definition available. + Details
Name: | axs_SpecialDividend
Namespace Prefix: | axs_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_BusinessAcquisitionAxis=axs_PartnerReMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |