| Name | FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRedemptionRestrictionAbstract |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Redemption Restriction [Abstract] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRedemptionRestrictionFlag1 | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures | |
us-gaap:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRedemptionRestrictionDescription | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures | |
us-gaap:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRedemptionRestrictionLapseDate1 | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures | |
us-gaap:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRedemptionRestrictionLapseDateNotEstimableFlag | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures | |
us-gaap:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRedemptionRestrictionPeriodInEffect1 | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures | |
us-gaap:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRedemptionRestrictionOther | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures | |
us-gaap:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRedemptionRestrictionPercentage | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures | |
us-gaap:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRedemptionRestrictionPeriod | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareTableTextBlock | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures |