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CONTRACTS AND AGREEMENTS -Brokerage Commission (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Brokerage commissions	$ 616,021	$ 570,108	$ 1,895,834	$ 1,916,737
Commission
Brokerage commissions			$ 1,895,834	$ 1,916,737
Percentage of average daily net assets	0.17%	0.14%	0.17%	0.14%
Rebalancing Investments Transaction
Brokerage commissions			$ 1,602,426	$ 1,651,071
Percentage of average daily net assets	84.52%	86.14%	84.52%	86.14%
Creation And Redemption Activity
Brokerage commissions			$ 293,408	$ 265,666
Percentage of average daily net assets	15.48%	13.86%	15.48%	13.86%

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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X

- Definition

Percentage of Average Daily Net Assets

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- Details

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- Details

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