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Reinsurance - Quota Share Reinsurance (Details) - Reinsurance Policy, Type [Axis]: Quota Share Reinsurance $ in Billions	6 Months Ended
	Jun. 30, 2025 USD ($)
QSR-2022
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Ceding Percentage	20.00%
QSR-2023
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Ceding Percentage	17.50%
QSR-2024
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Ceding Percentage	15.00%
QSR-2025
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Ceding Percentage	25.00%
QSR-2019
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Ceding Percentage	20.00%
Ceded premiums earned related to percent of risk on eligible single premium policies	40.00%
QSR
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
RIF ceded	$ 9.5

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Reinsurance, Ceded Premiums Earned, Percent Of Risk On All Other Eligible Policies

+ References

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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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Subsection 17
-Paragraph Column F
-Publisher SEC

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 235
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.12-17(Column A))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477965/944-235-S99-2

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