IndexInvestment Owned, Unrecognized Unrealized Appreciation (Depreciation), Net
| Name | InvestmentOwnedUnrecognizedUnrealizedAppreciationDepreciationNet |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
Labels
| Text | Lang | Role | Container role |
|---|---|---|---|
| Investment Owned, Unrecognized Unrealized Appreciation (Depreciation), Net | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Investment Owned, Unrecognized Unrealized Appreciation (Depreciation), Net, Total | en-US | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
Related Child Concepts
| Name | Relation Type | Role | |
|---|---|---|---|
 | us-gaap:InvestmentOwnedUnrecognizedUnrealizedAppreciation | summation-item | http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings |
| us-gaap:InvestmentOwnedUnrecognizedUnrealizedDepreciation | summation-item | http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings |
Related Parent Concepts
| Name | Relation Type | Role | |
|---|---|---|---|
| us-gaap:InvestmentOwnedUnrealizedAppreciationDepreciationNetAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings |
| us-gaap:InvestmentOwnedUnrealizedAppreciationDepreciationNetAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/InvestmentHoldings |
| us-gaap:InvestmentOwnedUnrealizedAppreciationDepreciationNetAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/InvestmentHoldingsScheduleOfInvestmentsTable |
| us-gaap:InvestmentOwnedUnrealizedAppreciationDepreciationNetAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings |
| us-gaap:InvestmentOwnedUnrealizedAppreciationDepreciationNetAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldings |
| us-gaap:InvestmentOwnedUnrealizedAppreciationDepreciationNetAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/SummaryOfInvestmentHoldingsScheduleOfInvestmentsTable |
| us-gaap:InvestmentOwnedUnrealizedAppreciationDepreciationNetAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldings |
| us-gaap:InvestmentOwnedUnrealizedAppreciationDepreciationNetAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsInvestmentHoldingsOtherThanSecuritiesTable |
| us-gaap:InvestmentOwnedUnrealizedAppreciationDepreciationNetAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/OtherThanSecuritiesInvestmentHoldingsScheduleOfInvestmentsTable |
| us-gaap:InvestmentOwnedUnrealizedAppreciationDepreciationNetAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompany |
| us-gaap:InvestmentOwnedUnrealizedAppreciationDepreciationNetAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInvestmentCompanyInvestmentHoldingsTable |