CONTRACTS AND AGREEMENTS - Brokerage Commissions (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
CONTRACTS AND AGREEMENTS
Total commissions accrued to brokers	$ 85,818	$ 113,944	$ 145,599
Commission
CONTRACTS AND AGREEMENTS
Total commissions accrued to brokers	$ 85,818	$ 113,944	$ 145,599
Total commissions as annualized percentage of average total net assets	0.09%	0.08%	0.08%