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CONTRACTS AND AGREEMENTS - Brokerage Commissions (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Brokerage commissions	$ 548,601	$ 101,742	$ 98,880
Percentage Of Average Daily Net Assets	0.19%	0.12%	0.10%
Rebalancing Investments Transaction [Member]
Brokerage commissions	$ 527,095	$ 99,885	$ 95,188
Percentage Of Average Daily Net Assets	96.08%	98.17%	96.27%
Creation And Redemption Activity [Member]
Brokerage commissions	$ 21,506	$ 1,857	$ 3,692
Percentage Of Average Daily Net Assets	3.92%	1.83%	3.73%

X

- 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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No definition available.

+ Details

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- Details

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