| Item | Type | Period | Balance | Description | | Schedule of Investments | text | | | |
| Investment Holdings, Other than Securities | | duration | | Tabular disclosure of the investment holdings which are represented by other than securities (for example, commodities). The investment holdings, other than securities investments table lists the long positions of non-security investments held by entity. |
| Table Text Block Supplement | text | | | |
| Investment Holdings Other Than Securities Table | | | | |
| Other than Securities Investment Holdings, Schedule of Investments | | duration | | Tabular disclosure of the information required in the supplementary schedule applicable to management investment companies summarizing unaffiliated investments that are not securities. |
| Investment Type | text | | | Information by type of investments. |
| Investment Holdings, Other than Securities | text | | | Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. |
| Investments | | duration | | Asset obtained to generate income or appreciate in value. |
| Investment in Physical Commodities | $ | instant | debit | Investments held in physical commodities, such as gold, silver, platinum, crude oil, coal, sugar, rice, wheat. |
| Investment Owned, Balance, Contracts | | instant | | Balance held at close of period in number of contracts. |
| Investment Owned Balance Other Measure | | | | |
| Commodities Investment | | duration | | Investments held in a physical substance, such as food, grains, and metals, which is interchangeable with another product of the same type, and which investors buy or sell, usually through futures contracts. |