Money Market Funds [Member]

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

Labels

TextLangRoleContainer role
Money Market Funds [Member]en-UShttp://www.xbrl.org/2003/role/labelhttp://www.xbrl.org/2003/role/link

Related Child Concepts

NameRelation TypeRole
us-gaap:TaxableMoneyMarketFundsMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
us-gaap:TaxexemptMoneyMarketFundsMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
us-gaap:TaxableMoneyMarketFundsMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
us-gaap:TaxexemptMoneyMarketFundsMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
us-gaap:TaxableMoneyMarketFundsMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
us-gaap:TaxexemptMoneyMarketFundsMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
us-gaap:TaxableMoneyMarketFundsMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
us-gaap:TaxexemptMoneyMarketFundsMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
us-gaap:TaxableMoneyMarketFundsMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
us-gaap:TaxexemptMoneyMarketFundsMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
us-gaap:TaxableMoneyMarketFundsMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
us-gaap:TaxexemptMoneyMarketFundsMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
us-gaap:TaxableMoneyMarketFundsMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
us-gaap:TaxexemptMoneyMarketFundsMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
us-gaap:TaxableMoneyMarketFundsMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
us-gaap:TaxexemptMoneyMarketFundsMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
us-gaap:TaxableMoneyMarketFundsMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
us-gaap:TaxexemptMoneyMarketFundsMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
us-gaap:TaxableMoneyMarketFundsMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable
us-gaap:TaxexemptMoneyMarketFundsMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable

Related Parent Concepts

NameRelation TypeRole
us-gaap:SecuritiesInvestmentMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
us-gaap:SecuritiesInvestmentMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/InvestmentHoldings
us-gaap:SecuritiesInvestmentMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
us-gaap:SecuritiesInvestmentMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings
us-gaap:SecuritiesInvestmentMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings
us-gaap:SecuritiesInvestmentMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable
us-gaap:SecuritiesInvestmentMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote
us-gaap:SecuritiesInvestmentMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteFederalIncomeTaxNoteTable
us-gaap:CashEquivalentsMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/CashAndCashEquivalents
us-gaap:CashEquivalentsMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/CashAndCashEquivalentsScheduleOfCashAndCashEquivalentsTable
us-gaap:CashEquivalentsMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/CashAndCashEquivalentsScheduleOfCompensatingBalancesTable
us-gaap:CashEquivalentsMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/CashAndCashEquivalentsScheduleOfRestrictedCashAndCashEquivalentsTable
us-gaap:CashEquivalentsMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecurities
us-gaap:CashEquivalentsMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecuritiesScheduleOfInvestmentIncomeReportedAmountsByCategoryTable
us-gaap:MutualFundMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits
us-gaap:MutualFundMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsDefinedBenefitPlanPlanAssetsAllocationTable
us-gaap:MutualFundMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsDefinedBenefitPlanPlanAssetsCategoryTable
us-gaap:MutualFundMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsDefinedBenefitPlanPlanAssetsLevel3ReconciliationTable
us-gaap:MutualFundMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsScheduleOfDefinedBenefitPlansDisclosuresTable
us-gaap:CashEquivalentsMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures
us-gaap:CashEquivalentsMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable
us-gaap:MutualFundMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance
us-gaap:MutualFundMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable
us-gaap:MutualFundMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceScheduleOfInvestmentIncomeReportedAmountsByCategoryTable
us-gaap:SecuritiesInvestmentMember
parent-childhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany
us-gaap:SecuritiesInvestmentMember
domain-memberhttp://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable