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Commitments, Guarantees and Contingent Liabilities - Florida and Louisiana Citizens (Narrative) (Details)	Dec. 31, 2025	Apr. 01, 2025	Jan. 01, 2025
Florida Citizens | Maximum
Loss Contingencies
Surcharge assessment rate (as a percent)	15.00%
Emergency assessment rate (as a percent)	10.00%
Louisiana Citizens
Loss Contingencies
Surcharge assessment rate (as a percent)			10.00%
Emergency assessment rate (as a percent)		1.36%
Assessment rate, percent of deficit or prior year premiums (as a percent)	10.00%

X

- Definition

Emergency Assessment Rate

+ References

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- Definition

The maximum rate of the regular assessment for a deficit in a calendar year as a percentage of the greater of the deficit or of property premiums industry-wide for the prior year.

+ References

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- Definition

Surcharge Assessment Rate

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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.

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