Details for Selection
| Standard label: | Investment in Physical Commodities |
| Name: | us-gaap:InvestmentInPhysicalCommodities |
| Documentation: | Investments held in physical commodities, such as gold, silver, platinum, crude oil, coal, sugar, rice, wheat. |
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As of (instant) |
| Balance type: | Debit |
| Object class: | [Concept] |