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CONTRACTS AND AGREEMENTS - Brokerage and Futures Commissions Merchant Agreements (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Contracts And Agreements
Total commissions accrued to brokers	$ 8,670	$ 3,199	$ 1,633
Total commissions as annualized percentage of average total net assets	0.02%	0.03%	0.03%
Rebalancing Investments Transaction
Contracts And Agreements
Total commissions accrued to brokers	$ 4,293	$ 2,250	$ 1,153
Total commissions as annualized percentage of average total net assets	49.52%	70.33%	70.61%
Creation And Redemption Activity
Contracts And Agreements
Total commissions accrued to brokers	$ 4,377	$ 949	$ 480
Total commissions as annualized percentage of average total net assets	50.48%	29.67%	29.39%