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Statutory Financial Information (Narrative) (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statutory Accounting Practices [Abstract]
Minimum statutory capital and surplus required	$ 752.4	$ 705.7	$ 667.0

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- Definition

Statutory Accounting Practices [Abstract]

+ References

No definition available.

+ Details

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- Definition

Amount of statutory capital and surplus required to be maintained under prescribed or permitted statutory accounting practice.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477908/944-505-50-1

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