| Type | including |
|---|---|
| Role | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable |
| Type | Element |
|---|---|
| Hypercube | us-gaap:InvestmentHoldingsTable |
| Explicit | us-gaap:InvestmentTypeAxis |
| Member | us-gaap:InvestmentTypeCategorizationMember |
| Member | us-gaap:SecuritiesInvestmentMember |
| Member | us-gaap:EquitySecuritiesMember |
| Member | us-gaap:CommonStockMember |
| Member | us-gaap:PreferredStockMember |
| Member | us-gaap:PreferredNonConvertibleStockMember |
| Member | us-gaap:ConvertiblePreferredStockMember |
| Member | us-gaap:RedeemablePreferredStockMember |
| Member | us-gaap:RightsMember |
| Member | us-gaap:WarrantMember |
| Member | us-gaap:ContingentConvertiblePreferredStockMember |
| Member | us-gaap:FixedIncomeInvestmentsMember |
| Member | us-gaap:CorporateDebtSecuritiesMember |
| Member | us-gaap:CorporateBondSecuritiesMember |
| Member | us-gaap:CorporateNoteSecuritiesMember |
| Member | us-gaap:ConvertibleDebtSecuritiesMember |
| Member | us-gaap:ShortTermDebtMember |
| Member | us-gaap:USTreasurySecuritiesMember |
| Member | us-gaap:USTreasuryNotesSecuritiesMember |
| Member | us-gaap:USTreasuryBondSecuritiesMember |
| Member | us-gaap:USTreasuryBillSecuritiesMember |
| Member | us-gaap:USTreasuryAndGovernmentShorttermDebtSecuritiesMember |
| Member | us-gaap:USGovernmentAgenciesShorttermDebtSecuritiesMember |
| Member | us-gaap:MunicipalBondsMember |
| Member | us-gaap:TaxableMunicipalBondsMember |
| Member | us-gaap:NontaxableMunicipalBondsMember |
| Member | us-gaap:MunicipalNotesMember |
| Member | us-gaap:TaxableMunicipalNotesMember |
| Member | us-gaap:NontaxableMunicipalNotesMember |
| Member | us-gaap:ForeignGovernmentDebtSecuritiesMember |
| Member | us-gaap:ForeignGovernmentShorttermDebtSecuritiesMember |
| Member | us-gaap:CommodityIndexLinkedNotesMember |
| Member | us-gaap:SovereignDebtSecuritiesMember |
| Member | us-gaap:FederalHomeLoanBankCertificatesAndObligationsFHLBMember |
| Member | us-gaap:FederalHomeLoanMortgageCorporationCertificatesAndObligationsFHLMCMember |
| Member | us-gaap:FederalHousingAdministrationCertificatesAndObligationsFHAMember |
| Member | us-gaap:FederalNationalMortgageAssociationCertificatesAndObligationsFNMAMember |
| Member | us-gaap:GovernmentNationalMortgageAssociationCertificatesAndObligationsGNMAMember |
| Member | us-gaap:CollateralizedMortgageObligationsMember |
| Member | us-gaap:AssetBackedSecuritiesMember |
| Member | us-gaap:RepurchaseAgreementsMember |
| Member | us-gaap:CertificatesOfDepositMember |
| Member | us-gaap:EuroDollarCertificatesOfDepositMember |
| Member | us-gaap:AdjustableRateLoansMember |
| Member | us-gaap:VariableRateDemandObligationMember |
| Member | us-gaap:LoanParticipationsAndAssignmentsMember |
| Member | us-gaap:BankersAcceptanceMember |
| Member | us-gaap:CommercialPaperMember |
| Member | us-gaap:BankLoanObligationsMember |
| Member | us-gaap:AuctionRatePreferredSecuritiesMember |
| Member | us-gaap:SeniorNotesMember |
| Member | us-gaap:SeniorLoansMember |
| Member | us-gaap:SubordinatedDebtMember |
| Member | us-gaap:IncomeNotesMember |
| Member | us-gaap:DeferrableNotesMember |
| Member | us-gaap:PaymentInKindPIKNoteMember |
| Member | us-gaap:UnitrancheDebtMember |
| Member | us-gaap:SeniorSubordinatedNotesMember |
| Member | us-gaap:SeniorSubordinatedLoansMember |
| Member | us-gaap:JuniorLoansMember |
| Member | us-gaap:JuniorNotesMember |
| Member | us-gaap:JuniorSubordinatedDebtMember |
| Member | us-gaap:CashAndCashEquivalentsMember |
| Member | us-gaap:MoneyMarketFundsMember |
| Member | us-gaap:TaxableMoneyMarketFundsMember |
| Member | us-gaap:TaxexemptMoneyMarketFundsMember |
| Member | us-gaap:OtherInvestmentCompaniesMember |
| Member | us-gaap:OtherThanSecuritiesInvestmentMember |
| Member | us-gaap:CommoditiesInvestmentMember |
| Member | us-gaap:PrivateEquityFundsMember |
| Member | us-gaap:PrivateEquityFundsDomesticMember |
| Member | us-gaap:PrivateEquityFundsForeignMember |
| Member | us-gaap:HedgeFundsMember |
| Member | us-gaap:HedgeFundsEquityMember |
| Member | us-gaap:HedgeFundsEventDrivenMember |
| Member | us-gaap:HedgeFundsGlobalOpportunityMember |
| Member | us-gaap:HedgeFundsMultistrategyMember |
| Member | us-gaap:DerivativeMember |
| Member | us-gaap:OptionMember |
| Member | us-gaap:OptionOnSecuritiesMember |
| Member | us-gaap:CommodityOptionMember |
| Member | us-gaap:ForeignExchangeOptionMember |
| Member | us-gaap:ExchangeTradedOptionsMember |
| Member | us-gaap:FutureMember |
| Member | us-gaap:ForeignExchangeForwardMember |
| Member | us-gaap:SwapMember |
| Member | us-gaap:TotalReturnSwapMember |
| Member | us-gaap:VarianceSwapMember |
| Member | us-gaap:CurrencySwapMember |
| Member | us-gaap:InterestRateSwapMember |
| Member | us-gaap:CreditDefaultSwapMember |
| Member | us-gaap:SwaptionMember |
| Member | us-gaap:InterestRateSwaptionMember |
| Member | us-gaap:CreditDefaultSwaptionMember |
| Member | us-gaap:CapitalSupportAgreementMember |
| Member | us-gaap:EquityFundsMember |
| Member | us-gaap:FixedIncomeFundsMember |
| Member | us-gaap:ExchangeTradedFundsMember |
| Member | us-gaap:GuaranteesMember |
| Member | us-gaap:StandbyLettersOfCreditMember |
| Member | us-gaap:RealEstateFundsMember |
| Member | us-gaap:VentureCapitalFundsMember |
| Explicit | us-gaap:InvestmentSecondaryCategorizationAxis |
| Member | us-gaap:InvestmentsBySecondaryCategorizationDomain |
| Explicit | us-gaap:LineOfCreditFacilityAxis |
| Member | us-gaap:LineOfCreditFacilityLenderDomain |
| Explicit | us-gaap:PositionAxis |
| Member | us-gaap:PositionDomain |
| Member | us-gaap:LongMember |
| Member | us-gaap:ShortMember |
| Explicit | us-gaap:RelatedPartyTransactionsByRelatedPartyAxis |
| Member | us-gaap:RelatedPartyDomain |
| Member | srt:AffiliatedEntityMember |
| Member | us-gaap:MajorityOwnedSubsidiaryUnconsolidatedMember |
| Member | us-gaap:SubsidiaryOfCommonParentMember |
| Member | us-gaap:MajorityShareholderMember |
| Member | us-gaap:PrincipalOwnerMember |
| Member | srt:ManagementMember |
| Member | srt:BoardOfDirectorsChairmanMember |
| Member | srt:DirectorMember |
| Member | srt:ExecutiveOfficerMember |
| Member | srt:ChiefExecutiveOfficerMember |
| Member | srt:ChiefFinancialOfficerMember |
| Member | srt:ChiefOperatingOfficerMember |
| Member | srt:ControllerMember |
| Member | srt:ExecutiveVicePresidentMember |
| Member | srt:VicePresidentMember |
| Member | srt:PresidentMember |
| Member | srt:OfficerMember |
| Member | us-gaap:ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember |
| Member | us-gaap:TrustForBenefitOfEmployeesMember |
| Member | us-gaap:CorporateJointVentureMember |
| Member | us-gaap:CoVenturerMember |
| Member | us-gaap:EquityMethodInvesteeMember |
| Member | us-gaap:BeneficialOwnerMember |
| Member | us-gaap:GeneralPartnerMember |
| Member | us-gaap:LimitedPartnerMember |
| Member | us-gaap:UndividedInterestMember |
| Member | us-gaap:InvestorMember |
| Member | us-gaap:InvesteeMember |
| Member | us-gaap:LimitedLiabilityCompanyMember |
| Explicit | us-gaap:DerivativeInstrumentRiskAxis |
| Member | us-gaap:DerivativeContractTypeDomain |
| Member | us-gaap:InterestRateContractMember |
| Member | us-gaap:InterestRateFloorMember |
| Member | us-gaap:InterestRateCapMember |
| Member | us-gaap:InterestRateSwapMember |
| Member | us-gaap:InterestRateSwaptionMember |
| Member | us-gaap:ForeignExchangeContractMember |
| Member | us-gaap:CurrencySwapMember |
| Member | us-gaap:ForeignExchangeForwardMember |
| Member | us-gaap:ForeignExchangeFutureMember |
| Member | us-gaap:EurodollarFutureMember |
| Member | us-gaap:ForeignExchangeOptionMember |
| Member | us-gaap:CrossCurrencyInterestRateContractMember |
| Member | us-gaap:TreasuryLockMember |
| Member | us-gaap:EquityContractMember |
| Member | us-gaap:EquitySwapMember |
| Member | us-gaap:StockOptionMember |
| Member | us-gaap:CommodityContractMember |
| Member | us-gaap:CommodityOptionMember |
| Member | us-gaap:EnergyRelatedDerivativeMember |
| Member | us-gaap:CreditRiskContractMember |
| Member | us-gaap:EmbeddedDerivativeFinancialInstrumentsMember |
| Member | us-gaap:CoalContractMember |
| Member | us-gaap:OtherContractMember |
| Explicit | srt:RangeAxis |
| Member | srt:RangeMember |
| Member | srt:MaximumMember |
| Member | srt:MinimumMember |
| Label/QName |
|---|
us-gaap:SummaryOfInvestmentHoldingsLineItems |
us-gaap:InvestmentOwnedBalanceAbstract |
us-gaap:InvestmentOwnedBalanceShares |
us-gaap:InvestmentOwnedBalanceContracts |
us-gaap:InvestmentOwnedBalancePrincipalAmount |
us-gaap:InvestmentOwnedBalanceOtherMeasure |
us-gaap:InvestmentOwnedAtFairValue |
us-gaap:InvestmentOwnedPercentOfNetAssets |
us-gaap:InvestmentOwnedAtCost |
us-gaap:DerivativeMaturityDates |
us-gaap:InvestmentCompanyInvestmentGreaterThanFivePercentOfNetAssets |
us-gaap:InvestmentCompanyFairValueDerivativesGreaterThanFivePercentOfNetAssets |
us-gaap:InvestmentCompanyInvestmentsAppreciationDeprecationGreaterThanFivePercentOfNetAssets |
us-gaap:InvestmentOwnedUnrealizedAppreciationDepreciationNetAbstract |
us-gaap:InvestmentOwnedUnrecognizedUnrealizedAppreciation |
us-gaap:InvestmentOwnedUnrecognizedUnrealizedDepreciation |
us-gaap:InvestmentOwnedUnrecognizedUnrealizedAppreciationDepreciationNet |
us-gaap:InvestmentCompanyInvestmentOwnedRedemptionRestriction |
us-gaap:InvestmentCompanyInvestmentOwnedInvestmentObjective |
us-gaap:InvestmentCompanyInvestmentOwnedCreditEnhancement |