 | dei:LegalEntityAxis | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings |
 | us-gaap:ScheduleOfInvestmentsLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings |
 | dei:LegalEntityAxis | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/InvestmentHoldingsScheduleOfInvestmentsTable |
 | dei:LegalEntityAxis | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentsSoldNotYetPurchased |
 | us-gaap:ScheduleOfInvestmentsLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentsSoldNotYetPurchased |
 | dei:LegalEntityAxis | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/InvestmentsSoldNotYetPurchasedScheduleOfInvestmentsTable |
 | dei:LegalEntityAxis | parent-child | http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings |
 | us-gaap:ScheduleOfInvestmentsLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings |
 | dei:LegalEntityAxis | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldingsScheduleOfInvestmentsTable |
 | dei:LegalEntityAxis | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentsInAndAdvancesToAffiliates |
 | us-gaap:ScheduleOfInvestmentsLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentsInAndAdvancesToAffiliates |
 | dei:LegalEntityAxis | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/InvestmentsInAndAdvancesToAffiliatesScheduleOfInvestmentsTable |
 | dei:LegalEntityAxis | parent-child | http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings |
 | us-gaap:ScheduleOfInvestmentsLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings |
 | dei:LegalEntityAxis | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsScheduleOfInvestmentsTable |
 | dei:LegalEntityAxis | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote |
 | us-gaap:ScheduleOfInvestmentsLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNote |
 | dei:LegalEntityAxis | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/InvestmentsFederalTaxNoteScheduleOfInvestmentsTable |