| Name | FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerSharePercentArbitrageInvestments |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | num:percentItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Percent Arbitrage Investments | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| The percentage of the total value of investments that are arbitrage investments for a given category of investments for which net asset value per share is calculated. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerSharePercentAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures |