v3.26.1
FAIR VALUE OF FINANCIAL INSTRUMENTS - Valuation of Securities Using Fair Value Hierarchy (Details) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
USCI | Short-Term Investments    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Securities, fair value $ 281,690,207 $ 210,500,000
USCI | Exchange-Traded Futures Contracts | United States Contracts    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Securities, fair value 5,176,671 (4,218,366)
USCI | Exchange-Traded Futures Contracts | Foreign Contracts    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Securities, fair value (3,941,946) 1,608,581
USCI | Level I | Short-Term Investments    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Securities, fair value 281,690,207 210,500,000
USCI | Level I | Exchange-Traded Futures Contracts | United States Contracts    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Securities, fair value 5,176,671 (4,218,366)
USCI | Level I | Exchange-Traded Futures Contracts | Foreign Contracts    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Securities, fair value (3,941,946) 1,608,581
USCI | Level II | Short-Term Investments    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Securities, fair value 0 0
USCI | Level II | Exchange-Traded Futures Contracts | United States Contracts    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Securities, fair value 0 0
USCI | Level II | Exchange-Traded Futures Contracts | Foreign Contracts    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Securities, fair value 0 0
USCI | Level III | Short-Term Investments    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Securities, fair value 0 0
USCI | Level III | Exchange-Traded Futures Contracts | United States Contracts    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Securities, fair value 0 0
USCI | Level III | Exchange-Traded Futures Contracts | Foreign Contracts    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Securities, fair value 0 0
CPER | Short-Term Investments    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Securities, fair value 634,273,471 296,475,000
CPER | Exchange-Traded Futures Contracts | United States Contracts    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Securities, fair value (1,487,395) 52,247,472
CPER | Level I | Short-Term Investments    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Securities, fair value 634,273,471 296,475,000
CPER | Level I | Exchange-Traded Futures Contracts | United States Contracts    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Securities, fair value (1,487,395) 52,247,472
CPER | Level II | Short-Term Investments    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Securities, fair value 0 0
CPER | Level II | Exchange-Traded Futures Contracts | United States Contracts    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Securities, fair value 0 0
CPER | Level III | Short-Term Investments    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Securities, fair value 0 0
CPER | Level III | Exchange-Traded Futures Contracts | United States Contracts    
FAIR VALUE OF FINANCIAL INSTRUMENTS    
Securities, fair value $ 0 $ 0