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CONTRACTS AND AGREEMENTS - Brokerage Commission (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
CONTRACTS AND AGREEMENTS
Brokerage commissions	$ 807,322	$ 1,123,971	$ 6,104,865
Commission
CONTRACTS AND AGREEMENTS
Brokerage commissions	$ 807,322	$ 1,123,971	$ 6,104,865
Percentage of commissions	0.03%	0.04%	0.18%
Result of rebalancing
CONTRACTS AND AGREEMENTS
Brokerage commissions	$ 519,680	$ 858,171	$ 5,072,915
Percentage of commissions	64.37%	76.35%	83.10%
Result of creation and redemption activity
CONTRACTS AND AGREEMENTS
Brokerage commissions	$ 287,642	$ 265,800	$ 1,031,950
Percentage of commissions	35.63%	23.65%	16.90%

X

- Definition

The amount of expense during the period for floor brokerage fees paid to other broker-dealers to execute trades on their behalf, stock exchange fees, order flow fees, and clearance fees.

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- Definition

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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- Definition

Percentage of percentage of commissions accrued.

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