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Reinsurance and Indemnification - New Jersey Excess Catastrophe Reinsurance Agreement (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2019 USD ($) contract reinstatement
Reinsurance Retention Policy [Line Items] |
Limit of aggregate losses under aggregate excess agreement | $ 3,400
New Jersey Agreement |
Reinsurance Retention Policy [Line Items] |
Contracts number | contract | 2
Limit of aggregate losses under aggregate excess agreement | $ 400
New Jersey Agreement Contract One |
Reinsurance Retention Policy [Line Items] |
Retention percentage of reinsurance limit | 31.67%
Retention amount for catastrophe reinsurance agreement contracts | $ 145
Number of reinstatements each year for each contract | reinstatement | 1
New Jersey Agreement Contract Two |
Reinsurance Retention Policy [Line Items] |
Retention percentage of reinsurance limit | 31.67%
Retention amount for catastrophe reinsurance agreement contracts | $ 150
Number of reinstatements each year for each contract | reinstatement | 1
New Jersey Agreement Contract Three |
Reinsurance Retention Policy [Line Items] |
Retention percentage of reinsurance limit | 31.66%
Retention amount for catastrophe reinsurance agreement contracts | $ 150
Number of reinstatements each year for each contract | reinstatement | 1

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- Definition Represents the retention percentage of annual coverage limit provided by the insurance arrangement for catastrophe claims. + References No definition available. + Details
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Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Represents the number of reinstatements each year for each contract. + References No definition available. + Details
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Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition The limit of aggregated losses per contract year beyond which coverage provided by an aggregate excess agreement applies. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Definition Represents the retention amount of catastrophe reinsurance agreement contracts. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Definition Represents the number of reinsurance contracts under the agreement. + References No definition available. + Details
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Period Type: | duration

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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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- Details
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- Details
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- Details
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- Details
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