 | us-gaap:InvestmentCompanyInvestmentIncomeLossRatio | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany |
 | us-gaap:InvestmentCompanyExpenseRatioExcludingIncentiveFee | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany |
 | us-gaap:InvestmentCompanyExpenseRatioIncludingIncentiveFee | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany |
 | us-gaap:InvestmentCompanyExpenseRatioVoluntaryFeeWaiver | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany |
 | us-gaap:InvestmentCompanyExpenseRatioIncludingVoluntaryFeeWaiver | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany |
 | us-gaap:InvestmentCompanyInternalRateOfReturnSinceInception | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany |
 | us-gaap:InvestmentCompanyInternalRateOfReturnAssumptions | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany |
 | us-gaap:InvestmentCompanyTotalReturnExpensesAnnualized | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany |
 | us-gaap:InvestmentCompanyInvestmentIncomeLossRatioBeforeIncentiveAllocation | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany |
 | us-gaap:InvestmentCompanyInvestmentIncomeLossRatioAfterIncentiveAllocation | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany |
 | us-gaap:InvestmentCompanyExpenseRatioBeforeIncentiveAllocation | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany |
 | us-gaap:InvestmentCompanyIncentiveFeeToAverageNetAssets | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany |
 | us-gaap:InvestmentCompanyExpenseRatioAfterIncentiveAllocation | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany |
 | us-gaap:InvestmentCompanyTotalReturnAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany |
 | us-gaap:InvestmentCompanyInvestmentIncomeLossRatio | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentCompanyFinancialHighlightsTable |
 | us-gaap:InvestmentCompanyExpenseRatioExcludingIncentiveFee | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentCompanyFinancialHighlightsTable |
 | us-gaap:InvestmentCompanyExpenseRatioIncludingIncentiveFee | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentCompanyFinancialHighlightsTable |
 | us-gaap:InvestmentCompanyExpenseRatioVoluntaryFeeWaiver | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentCompanyFinancialHighlightsTable |
 | us-gaap:InvestmentCompanyExpenseRatioIncludingVoluntaryFeeWaiver | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentCompanyFinancialHighlightsTable |
 | us-gaap:InvestmentCompanyInternalRateOfReturnSinceInception | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentCompanyFinancialHighlightsTable |
 | us-gaap:InvestmentCompanyInternalRateOfReturnAssumptions | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentCompanyFinancialHighlightsTable |
 | us-gaap:InvestmentCompanyTotalReturnExpensesAnnualized | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentCompanyFinancialHighlightsTable |
 | us-gaap:InvestmentCompanyInvestmentIncomeLossRatioBeforeIncentiveAllocation | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentCompanyFinancialHighlightsTable |
 | us-gaap:InvestmentCompanyInvestmentIncomeLossRatioAfterIncentiveAllocation | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentCompanyFinancialHighlightsTable |
 | us-gaap:InvestmentCompanyExpenseRatioBeforeIncentiveAllocation | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentCompanyFinancialHighlightsTable |
 | us-gaap:InvestmentCompanyIncentiveFeeToAverageNetAssets | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentCompanyFinancialHighlightsTable |
 | us-gaap:InvestmentCompanyExpenseRatioAfterIncentiveAllocation | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentCompanyFinancialHighlightsTable |
 | us-gaap:InvestmentCompanyTotalReturnAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentCompanyFinancialHighlightsTable |