Subsequent Events (Details) - Subsequent Event [Member] - Cavello Bay Reinsurance Limited [Member] $ in Millions |
Oct. 27, 2026
USD ($)
|
|---|---|
| Subsequent Event [Line Items] | |
| AdverseDevelopmentCoverReinsuranceAgreementSubjectReserves | $ 4,800.0 |
| AdverseDevelopmentCoverReinsuranceAgreementRetainedReserves | 2,600.0 |
| AdverseDevelopmentCoverReinsuranceAgreementRetrocededReserves | 2,300.0 |
| AdverseDevelopmentCoverReinsuranceAgreementMaximumAboveSubjectReserves | 1,200.0 |
| AdverseDevelopmentCoverReinsuranceAgreementMaximumAboveSubjectReservesConsideration | $ 120.0 |