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CONTRACTS AND AGREEMENTS - Brokerage Commissions (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Brokerage commissions	$ 71,693	$ 205,173	$ 166,778	$ 251,852
Percentage Of Average Daily Net Assets	0.10%	0.25%	0.10%	0.25%
Rebalancing Investments Transaction [Member]
Brokerage commissions			$ 157,413	$ 217,371
Percentage Of Average Daily Net Assets	94.38%	86.31%	94.38%	86.31%
Creation And Redemption Activity [Member]
Brokerage commissions			$ 9,365	$ 34,481
Percentage Of Average Daily Net Assets	5.62%	13.69%	5.62%	13.69%

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- Definition

Percentage Of Average Daily Net Assets

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- 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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