| Type | including |
|---|---|
| Role | http://fasb.org/srt/role/disclosure/SECScheduleArticle12-18SupplementalInformationForProperty-CasualtyInsuranceUnderwritersSupplementalInformationForPropertyCasualtyInsuranceUnderwritersTable |
| Type | Element |
|---|---|
| Hypercube | srt:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersTable |
| Explicit | srt:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersByAffiliationWithRegistrantAxis |
| Member | srt:PropertyCasualtyInsuranceUnderwritersAffiliationWithRegistrantDomain |
| Member | srt:ConsolidatedPropertyAndCasualtyInsuranceEntityMember |
| Member | srt:UnconsolidatedPropertyAndCasualtyInsuranceEntityMember |
| Member | srt:EquityInvestmentInPropertyAndCasualtyInsuranceInvesteeMember |
| Explicit | srt:RangeAxis |
| Member | srt:RangeMember |
| Member | srt:MaximumMember |
| Member | srt:MinimumMember |
| Label/QName |
|---|
SEC Schedule, 12-18, Supplemental Information, Property-Casualty Insurance Underwriters [Line Items] srt:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersLineItems |