XML 52 R42.htm IDEA: XBRL DOCUMENT
v3.22.2.2

INVESTMENTS - Other Investments (Details) $ in Thousands | 9 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 USD ($) fund | Dec. 31, 2021 USD ($) | Dec. 31, 2015 USD ($)
Other Investments [Line Items] |  |  |
Other investments, at fair value | $ 970,310 | $ 947,982 |
Percentage of total fair value (as a percent) | 100.00% | 100.00% |
Long/short equity funds |  |  |
Other Investments [Line Items] |  |  |
Other investments, at fair value | $ 0 | $ 3,476 |
Percentage of total fair value (as a percent) | 0.00% | 0.00% |
Redemption notice period |  | 60 days |
Multi-strategy funds |  |  |
Other Investments [Line Items] |  |  |
Other investments, at fair value | $ 39,138 | $ 56,012 |
Percentage of total fair value (as a percent) | 4.00% | 6.00% |
Multi-strategy funds | Minimum |  |  |
Other Investments [Line Items] |  |  |
Redemption notice period | 60 days | 60 days |
Multi-strategy funds | Maximum |  |  |
Other Investments [Line Items] |  |  |
Redemption notice period | 90 days | 90 days |
Multi-strategy funds | Other Redemption Restriction |  |  |
Other Investments [Line Items] |  |  |
Unfunded commitments related to other investments | $ 26,000 | $ 23,000 |
Multi-strategy funds | Other Redemption Restriction | Minimum |  |  |
Other Investments [Line Items] |  |  |
Investment term | 2 years |  |
Direct lending funds |  |  |
Other Investments [Line Items] |  |  |
Other investments, at fair value | $ 249,561 | $ 289,867 |
Percentage of total fair value (as a percent) | 26.00% | 31.00% |
Redemption notice period | 90 days | 90 days |
Direct lending funds | Other Redemption Restriction |  |  |
Other Investments [Line Items] |  |  |
Unfunded commitments related to other investments | $ 192,000 | $ 224,000 |
Optional extension of investment term | 3 years |  |
Direct lending funds | Other Redemption Restriction | Minimum |  |  |
Other Investments [Line Items] |  |  |
Investment term | 4 years |  |
Direct lending funds | Other Redemption Restriction | Maximum |  |  |
Other Investments [Line Items] |  |  |
Investment term | 10 years |  |
Direct lending funds | Quarterly Redemption |  |  |
Other Investments [Line Items] |  |  |
Other investments, at fair value | $ 43,000 | 47,000 |
Number of funds | fund | 1 |  |
Private equity funds |  |  |
Other Investments [Line Items] |  |  |
Other investments, at fair value | $ 268,593 | $ 249,974 |
Percentage of total fair value (as a percent) | 28.00% | 26.00% |
Private equity funds | Other Redemption Restriction |  |  |
Other Investments [Line Items] |  |  |
Unfunded commitments related to other investments | $ 167,000 | $ 178,000 |
Investment term | 5 years |  |
Real estate funds |  |  |
Other Investments [Line Items] |  |  |
Other investments, at fair value | $ 287,932 | $ 238,222 |
Percentage of total fair value (as a percent) | 30.00% | 25.00% |
Redemption notice period |  | 45 days |
Real estate funds | Minimum |  |  |
Other Investments [Line Items] |  |  |
Redemption notice period | 45 days |  |
Real estate funds | Maximum |  |  |
Other Investments [Line Items] |  |  |
Redemption notice period | 90 days |  |
Real estate funds | Other Redemption Restriction |  |  |
Other Investments [Line Items] |  |  |
Unfunded commitments related to other investments | $ 147,000 | $ 173,000 |
Real estate funds | Other Redemption Restriction | Minimum |  |  |
Other Investments [Line Items] |  |  |
Investment term | 2 years |  |
Real estate funds | Quarterly Redemption |  |  |
Other Investments [Line Items] |  |  |
Other investments, at fair value | $ 73,000 | 73,000 |
Number of funds | fund | 1 |  |
Real estate funds | Annual Redemption |  |  |
Other Investments [Line Items] |  |  |
Other investments, at fair value | $ 26,000 | 0 |
Number of funds | fund | 1 |  |
CLO-Equities |  |  |
Other Investments [Line Items] |  |  |
Other investments, at fair value | $ 5,167 | $ 5,910 |
Percentage of total fair value (as a percent) | 0.00% | 1.00% |
Other privately held investments |  |  |
Other Investments [Line Items] |  |  |
Other investments, at fair value | $ 119,919 | $ 104,521 |
Percentage of total fair value (as a percent) | 12.00% | 11.00% |
Hedge funds | Lockup Redemption Restriction |  |  |
Other Investments [Line Items] |  |  |
Fair value of other investments subject to redemption restrictions | $ 0 | $ 3,000 |
Bank Revolver Opportunity Funds |  |  |
Other Investments [Line Items] |  |  |
Unfunded commitments related to other investments |  |  | $ 50,000
Investment term | 7 years |  |
Optional extension of investment term | 2 years |  |

X
- Definition The percentage of the total fair value of investments in certain entities that calculate net asset value per share, including, but not limited to, by unit, membership interest, or other ownership interest. Investments include, but are not limited to, investments in certain hedge funds, venture capital funds, private equity funds, real estate partnerships or funds. + References No definition available. + Details
Name: | axs_AlternativeInvestmentsFairValueDisclosurePercentageOfTotal
Namespace Prefix: | axs_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The total value of investments that cannot be redeemed because of a redemption restriction as of the statement of financial position date. + References No definition available. + Details
Name: | axs_FairValueInvestmentsEntitiesThatCalculateNetAssetValueRedemptionRestriction
Namespace Prefix: | axs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Period by which the General Partner of an investment for which net asset value per share is calculated has the option to extend a redemption restriction related to investments for which net asset value per share is calculated, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | axs_FairValueInvestmentsEntitiesThatCalculateNetAssetValueRedemptionRestrictionPeriodOptionalExtension
Namespace Prefix: | axs_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Funds Redemption + References No definition available. + Details
Name: | axs_NumberOfFundsRedemption
Namespace Prefix: | axs_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value of investment other than investment in equity security, investment in debt security and equity method investment. Includes, but is not limited to, investment in certain entities that calculate net asset value per share. Example includes, but is not limited to, investment in hedge fund, venture capital fund, private equity fund, and real estate partnership or fund. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 6A -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=SL6742756-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 35 -Paragraph 54B -URI https://asc.fasb.org/extlink&oid=126972413&loc=SL7495116-110257 + Details
Name: | us-gaap_AlternativeInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Notice period the entity is required to deliver before it can redeem an investment calculated using net asset value per share, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but is not limited to, investments calculated by per unit, per membership interest, other equity or ownership interest and alternative investments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 6A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126976982&loc=SL6742756-110258 + Details
Name: | us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareInvestmentRedemptionNoticePeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Remaining period of a redemption restriction related to investments for which net asset value per share is calculated, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 6A -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=126976982&loc=SL6742756-110258 + Details
Name: | us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRedemptionRestrictionPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of unfunded commitments for which the entity is obligated, to those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 6A -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126976982&loc=SL6742756-110258 + Details
Name: | us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_HedgeFundsEquityLongShortMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_HedgeFundsMultistrategyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | axs_RedemptionRestrictionTypeAxis=axs_OtherRedemptionRestrictionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=axs_DirectLendingFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | axs_RedemptionFrequencyAxis=axs_QuarterlyRedemptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_PrivateEquityFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_RealEstateFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | axs_RedemptionFrequencyAxis=axs_AnnualRedemptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_CollateralizedLoanObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=axs_OtherPrivatelyHeldInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_HedgeFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | axs_RedemptionRestrictionTypeAxis=axs_LockupRedemptionRestrictionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=axs_BankRevolverOpportunityFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |