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ORGANIZATION AND BUSINESS (Details)		1 Months Ended	6 Months Ended
	Nov. 18, 2009 USD ($) $ / shares shares	Nov. 30, 2009 shares	Jun. 30, 2023 USD ($) D $ / shares shares	Mar. 31, 2023 $ / shares	Dec. 31, 2022 $ / shares	Jun. 30, 2022 $ / shares	Mar. 31, 2022 $ / shares	Dec. 31, 2021 $ / shares
ORGANIZATION AND BUSINESS
Number of successive valuation days | D			30
Average daily percentage change in the price of the benchmark futures contract considered			10.00%
Commenced investment operations date	Nov. 18, 2009
Number of units per basket			50,000
Number of initially registered units on Form S-1 with the U.S. Securities and Exchange Commission		30,000,000
Transaction fee | $			$ 350
Net asset value per share | $ / shares	$ 50.00		$ 11.51	$ 11.66	$ 17.24	$ 17.68	$ 17.91	$ 11.65
Number of units issued	200,000
Value of unit issued | $	$ 10,000,000
Creation Baskets
ORGANIZATION AND BUSINESS
Number of units per basket			50,000
Redemption Baskets
ORGANIZATION AND BUSINESS
Number of units per basket			50,000

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Average daily percentage change in the price of the Benchmark Futures Contract considered for determining the average daily percentage change in the fund's NAV for achieving the entity's investment objective.

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The per share amount of net asset value per unit.

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Represents number of shares registered in period.

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Number of successive valuation days over which the average daily percentage change in the fund's NAV will be considered for achieving the entity's investment objective, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of number of shares per basket.

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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.

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The amounts of transaction fee paid per order.

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Amount of number of shares issued during the period.

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Amount received from the issuance of new shares during the period.

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Date the operations of the entity commenced, in YYYY-MM-DD format.

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