XML 156 R130.htm IDEA: XBRL DOCUMENT
v3.25.0.1

INCOME TAXES - Summary of Valuation Allowance (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Deferred Tax Assets, Valuation Allowance [Roll Forward] |  |
Valuation allowance - beginning of year | $ 38,711 |
Change in valuation allowance | (19,000) | $ (21,000)
Valuation allowance - end of year | 19,829 | 38,711
Income Tax Expense |  |
Deferred Tax Assets, Valuation Allowance [Roll Forward] |  |
Valuation allowance - beginning of year | 31,688 | 39,782
Valuation allowance - end of year | 17,221 | 31,688
Operating loss carryforwards |  |
Deferred Tax Assets, Valuation Allowance [Roll Forward] |  |
Change in valuation allowance | (6,572) | (8,713)
Foreign tax credit |  |
Deferred Tax Assets, Valuation Allowance [Roll Forward] |  |
Change in valuation allowance | (6,589) | 4,184
U.K. branch assets and other foreign rate differentials |  |
Deferred Tax Assets, Valuation Allowance [Roll Forward] |  |
Change in valuation allowance | (1,567) | (3,565)
Capital loss carryforwards and impaired investments |  |
Deferred Tax Assets, Valuation Allowance [Roll Forward] |  |
Change in valuation allowance | 261 | 0
Accumulated Other Comprehensive Income (Loss) |  |
Deferred Tax Assets, Valuation Allowance [Roll Forward] |  |
Valuation allowance - beginning of year | 7,023 | 20,287
Valuation allowance - end of year | 2,608 | 7,023
Change in investment - related items |  |
Deferred Tax Assets, Valuation Allowance [Roll Forward] |  |
Change in valuation allowance | $ (4,415) | $ (13,264)

X
- Definition Deferred Tax Assets, Valuation Allowance + References No definition available. + Details
Name: | axs_DeferredTaxAssetsValuationAllowanceRollForward
Namespace Prefix: | axs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
Name: | us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
Name: | us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_ValuationAllowanceByDeferredTaxAssetAxis=axs_ValuationAllowanceIncomeTaxExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowanceByDeferredTaxAssetAxis=us-gaap_ValuationAllowanceOperatingLossCarryforwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowanceByDeferredTaxAssetAxis=us-gaap_ValuationAllowanceTaxCreditCarryforwardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowanceByDeferredTaxAssetAxis=us-gaap_ValuationAllowanceOtherTaxCarryforwardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowanceByDeferredTaxAssetAxis=axs_SECSchedule1209ValuationAllowanceCapitalLossCarryforwardAndImpairedInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowanceByDeferredTaxAssetAxis=axs_ValuationAllowanceAccumulatedOtherComprehensiveIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowanceByDeferredTaxAssetAxis=axs_ValuationAllowanceInvestmentRelatedItemsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |