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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
Commissions accrued to brokers	$ 702,686	$ 794,337	$ 1,879,043
Percentage of commissions accrued	0.15%	0.24%	0.47%
Rebalancing Investments Transaction
CONTRACTS AND AGREEMENTS
Commissions accrued to brokers	$ 573,331	$ 712,375	$ 1,636,443
Percentage of commissions accrued	81.59%	89.68%	87.09%
Creation And Redemption Activity
CONTRACTS AND AGREEMENTS
Commissions accrued to brokers	$ 129,355	$ 81,961	$ 242,600
Percentage of commissions accrued	18.41%	10.32%	12.91%

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