Debt Securities [Member]

NameDebtSecuritiesMember
Namespacehttp://fasb.org/us-gaap/2020-01-31
Prefixus-gaap
Data typenonnum:domainItemType
Period typeduration
Substitution Groupxbrli:item
BalanceNone
NillableTrue
AbstractTrue

Labels

TextLangRoleContainer role
Debt Securities [Member]en-UShttp://www.xbrl.org/2003/role/labelhttp://www.xbrl.org/2003/role/link

Related Child Concepts

NameRelation TypeRole
us-gaap:USTreasuryAndGovernmentMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
us-gaap:USStatesAndPoliticalSubdivisionsMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
us-gaap:ForeignGovernmentDebtSecuritiesMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
us-gaap:CorporateDebtSecuritiesMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
us-gaap:AssetBackedSecuritiesMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
us-gaap:FixedIncomeSecuritiesMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
us-gaap:AuctionRateSecuritiesMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
us-gaap:VariableRateDemandObligationMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
us-gaap:OtherDebtSecuritiesMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
us-gaap:USTreasuryAndGovernmentMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable
us-gaap:USStatesAndPoliticalSubdivisionsMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable
us-gaap:ForeignGovernmentDebtSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable
us-gaap:CorporateDebtSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable
us-gaap:AssetBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable
us-gaap:FixedIncomeSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable
us-gaap:AuctionRateSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable
us-gaap:VariableRateDemandObligationMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable
us-gaap:OtherDebtSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable
us-gaap:USTreasuryAndGovernmentMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance
us-gaap:USStatesAndPoliticalSubdivisionsMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance
us-gaap:ForeignGovernmentDebtSecuritiesMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance
us-gaap:CorporateDebtSecuritiesMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance
us-gaap:AssetBackedSecuritiesMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance
us-gaap:FixedIncomeSecuritiesMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance
us-gaap:AuctionRateSecuritiesMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance
us-gaap:VariableRateDemandObligationMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance
us-gaap:OtherDebtSecuritiesMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance
us-gaap:USTreasuryAndGovernmentMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable
us-gaap:USStatesAndPoliticalSubdivisionsMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable
us-gaap:ForeignGovernmentDebtSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable
us-gaap:CorporateDebtSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable
us-gaap:AssetBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable
us-gaap:FixedIncomeSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable
us-gaap:AuctionRateSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable
us-gaap:VariableRateDemandObligationMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable
us-gaap:OtherDebtSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable
us-gaap:USTreasuryAndGovernmentMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfInvestmentIncomeReportedAmountsByCategoryTable
us-gaap:USStatesAndPoliticalSubdivisionsMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfInvestmentIncomeReportedAmountsByCategoryTable
us-gaap:ForeignGovernmentDebtSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfInvestmentIncomeReportedAmountsByCategoryTable
us-gaap:CorporateDebtSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfInvestmentIncomeReportedAmountsByCategoryTable
us-gaap:AssetBackedSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfInvestmentIncomeReportedAmountsByCategoryTable
us-gaap:FixedIncomeSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfInvestmentIncomeReportedAmountsByCategoryTable
us-gaap:AuctionRateSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfInvestmentIncomeReportedAmountsByCategoryTable
us-gaap:VariableRateDemandObligationMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfInvestmentIncomeReportedAmountsByCategoryTable
us-gaap:OtherDebtSecuritiesMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfInvestmentIncomeReportedAmountsByCategoryTable

Related Parent Concepts

NameRelation TypeRole
us-gaap:InvestmentTypeCategorizationMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecurities
us-gaap:InvestmentTypeCategorizationMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfInvestmentIncomeReportedAmountsByCategoryTable
us-gaap:SecuritiesAssetsMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
us-gaap:SecuritiesAssetsMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable
us-gaap:SecurityOwnedAndSoldNotYetPurchasedFairValueSecurityNameDomain
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesBrokersAndDealers
us-gaap:SecurityOwnedAndSoldNotYetPurchasedFairValueSecurityNameDomain
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesBrokersAndDealersSecurityOwnedAndSoldNotYetPurchasedAtFairValueTable
us-gaap:InvestmentTypeCategorizationMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance
us-gaap:InvestmentTypeCategorizationMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable
us-gaap:InvestmentTypeCategorizationMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfInvestmentIncomeReportedAmountsByCategoryTable