| Type | including |
|---|---|
| Role | http://fasb.org/us-gaap/role/disclosure/SECScheduleArticle12-15SummaryOfInvestments-OtherThanInvestmentsInRelatedPartiesSummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesTable |
| Type | Element |
|---|---|
| Hypercube | srt:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesTable |
| Explicit | us-gaap:InvestmentTypeAxis |
| Member | us-gaap:InvestmentTypeCategorizationMember |
| Member | us-gaap:FixedMaturitiesMember |
| Member | us-gaap:USTreasuryAndGovernmentMember |
| Member | us-gaap:USTreasurySecuritiesMember |
| Member | us-gaap:USGovernmentCorporationsAndAgenciesSecuritiesMember |
| Member | us-gaap:USGovernmentAgenciesDebtSecuritiesMember |
| Member | us-gaap:USGovernmentSponsoredEnterprisesDebtSecuritiesMember |
| Member | us-gaap:USStatesAndPoliticalSubdivisionsMember |
| Member | us-gaap:ForeignGovernmentDebtMember |
| Member | us-gaap:PublicUtilityBondsMember |
| Member | us-gaap:ConvertiblesAndBondsWithWarrantsAttachedMember |
| Member | us-gaap:ConvertibleDebtSecuritiesMember |
| Member | us-gaap:AllOtherCorporateBondsMember |
| Member | us-gaap:DomesticCorporateDebtSecuritiesMember |
| Member | us-gaap:BondsMember |
| Member | us-gaap:SubordinatedDebtMember |
| Member | us-gaap:AuctionRateSecuritiesMember |
| Member | us-gaap:VariableRateDemandObligationMember |
| Member | us-gaap:OtherDebtSecuritiesMember |
| Member | us-gaap:CertificatesOfDepositMember |
| Member | us-gaap:MandatorilyRedeemablePreferredStockMember |
| Member | us-gaap:AssetBackedSecuritiesMember |
| Member | us-gaap:MortgageBackedSecuritiesMember |
| Member | us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember |
| Member | us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember |
| Member | us-gaap:CollateralizedMortgageObligationsMember |
| Member | us-gaap:EquitySecuritiesInvestmentSummaryMember |
| Member | us-gaap:CommonStocksByIndustryMember |
| Member | us-gaap:PublicUtilityEquitiesMember |
| Member | us-gaap:BanksTrustAndInsuranceEquitiesMember |
| Member | us-gaap:IndustrialMiscellaneousAndAllOthersMember |
| Member | us-gaap:NonredeemablePreferredStockMember |
| Member | us-gaap:MortgagesMember |
| Member | us-gaap:RealEstateInvestmentMember |
| Member | us-gaap:RealEstateAcquiredInSatisfactionOfDebtMember |
| Member | us-gaap:PolicyLoansMember |
| Member | us-gaap:OtherLongTermInvestmentsMember |
| Member | us-gaap:ShortTermInvestmentsMember |
| Label/QName |
|---|
srt:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesReportableDataLineItems |
us-gaap:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCost |
us-gaap:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesFairValue |
us-gaap:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount |
srt:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmountExplanation |