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Reserve for Claims and Claim Expenses (Cumulative Number of Claims Reported) (Details) - Excess of Loss Reinsurance Contracts | Dec. 31, 2021 claim
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Property | Accident Year 2012 |
Claims Development [Line Items] |
Cumulative number of reported claims (in claims) | 922
Property | Accident Year 2013 |
Claims Development [Line Items] |
Cumulative number of reported claims (in claims) | 812
Property | Accident Year 2014 |
Claims Development [Line Items] |
Cumulative number of reported claims (in claims) | 762
Property | Accident Year 2015 |
Claims Development [Line Items] |
Cumulative number of reported claims (in claims) | 783
Property | Accident Year 2016 |
Claims Development [Line Items] |
Cumulative number of reported claims (in claims) | 1,206
Property | Accident Year 2017 |
Claims Development [Line Items] |
Cumulative number of reported claims (in claims) | 2,596
Property | Accident Year 2018 |
Claims Development [Line Items] |
Cumulative number of reported claims (in claims) | 2,516
Property | Accident Year 2019 |
Claims Development [Line Items] |
Cumulative number of reported claims (in claims) | 1,704
Property | Accident Year 2020 |
Claims Development [Line Items] |
Cumulative number of reported claims (in claims) | 2,298
Property | Accident Year 2021 |
Claims Development [Line Items] |
Cumulative number of reported claims (in claims) | 1,203
Casualty and Specialty | Accident Year 2012 |
Claims Development [Line Items] |
Cumulative number of reported claims (in claims) | 2,559
Casualty and Specialty | Accident Year 2013 |
Claims Development [Line Items] |
Cumulative number of reported claims (in claims) | 3,030
Casualty and Specialty | Accident Year 2014 |
Claims Development [Line Items] |
Cumulative number of reported claims (in claims) | 3,914
Casualty and Specialty | Accident Year 2015 |
Claims Development [Line Items] |
Cumulative number of reported claims (in claims) | 4,419
Casualty and Specialty | Accident Year 2016 |
Claims Development [Line Items] |
Cumulative number of reported claims (in claims) | 5,164
Casualty and Specialty | Accident Year 2017 |
Claims Development [Line Items] |
Cumulative number of reported claims (in claims) | 4,753
Casualty and Specialty | Accident Year 2018 |
Claims Development [Line Items] |
Cumulative number of reported claims (in claims) | 3,921
Casualty and Specialty | Accident Year 2019 |
Claims Development [Line Items] |
Cumulative number of reported claims (in claims) | 3,392
Casualty and Specialty | Accident Year 2020 |
Claims Development [Line Items] |
Cumulative number of reported claims (in claims) | 1,777
Casualty and Specialty | Accident Year 2021 |
Claims Development [Line Items] |
Cumulative number of reported claims (in claims) | 725

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- 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
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- Definition Cumulative number of reported claims for short-duration insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116884468&loc=SL65671317-158438 + Details
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