Statutory Restrictions on Consolidated Stockholders' Equity and Investments (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Statutory Restrictions on Consolidated Stockholders' Equity and Investments [Abstract]
Combined capital and surplus on statutory basis	$ 247.1	$ 243.3
Net income statutory basis	30.8	31.6
Statutory accounting statutory premium and supplemental reserves	53.9	52.1
Amount available for dividend distribution with approval from regulatory agencies	118.2	113.0
Statutory accounting practices, statutory amount available for dividend payments	24.8
Investments on deposit with state insurance departments	$ 6.1	$ 6.7

Statutory accounting statutory premium and supplemental reserves

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- Definition

Statutory Restrictions on Consolidated Stockholders' Equity and Investments [Abstract]

+ References

No definition available.

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- Definition

Carrying amount of cash and investment securities on deposit with state regulatory authorities in connection with capital requirements.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 825
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477351/944-825-50-1A

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- Definition

Amount of dividends available for payment after computation of statutory restrictions on capital surplus.

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No definition available.

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- Definition

Amount of dividends that can be declared or paid with approval of regulatory agency.

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- Definition

The amount of statutory capital and surplus (stockholders' equity) as of the balance sheet date using prescribed or permitted statutory accounting practices (rather than GAAP, if different) of the state or country.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(23)(c))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

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-Name Accounting Standards Codification
-Topic 944
-SubTopic 505
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477908/944-505-50-1

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Amount of net income for the period determined using accounting principles prescribed or permitted by insurance regulators.

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