IndexInvestment Sold, Not yet Purchased, Percent of Net Assets
| Name | InvestmentSoldNotYetPurchasedPercentOfNetAssets |
|---|---|
| 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 |
Labels
| Text | Lang | Role | Container role |
|---|---|---|---|
| For schedules of investments sold, not yet purchased (short sales) that are categorized, each category would be expected to have a percent of net assets for the aggregated value of the investments sold short in the category. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Investment Sold, Not yet Purchased, Percent of Net Assets | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |