Investments Investments, Held in Trust or on Deposit (Details) - USD ($) $ in Millions |
Jun. 30, 2024 |
Dec. 31, 2023 |
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Line of Credit Facility [Line Items] | ||
Other invested assets (cost $86.5 at June 30, 2024 and $82.5 at December 31, 2023) | $ 97.5 | $ 91.5 |
Deposit Assets [Abstract] | ||
Investments | 2,376.1 | 2,278.1 |
Assets Held-in-trust [Abstract] | ||
Funds Held under Reinsurance Agreements, Asset | 3.0 | 3.0 |
Federal Home Loan Bank [Member] | ||
Deposit Assets [Abstract] | ||
Line of Credit Facility, Maximum Borrowing Capacity | 70.0 | 70.0 |
Required by various state laws and regulations to hold securities or letters of credit in depository account [Member] | ||
Deposit Assets [Abstract] | ||
Investments | $ 758.6 | $ 748.1 |
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- References No definition available.
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- Definition Amount of the reinsurer's funds held on its behalf by the ceding insurer, including funds held in trust, under reinsurance treaties or contracts with the assuming insurer as security for the payment of the obligations thereunder. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Sum of the carrying amounts as of the balance sheet date of all investments. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of investments classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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