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ORGANIZATION AND BUSINESS (Details)
Dec. 06, 2007
USD ($)
$ / shares
shares
Dec. 31, 2024
USD ($)
contract
$ / shares
shares
Dec. 31, 2023
$ / shares
Dec. 31, 2022
$ / shares
Dec. 31, 2021
$ / shares
Dec. 04, 2007
shares
ORGANIZATION AND BUSINESS            
Number of oil futures contracts held | contract   709        
Fee paid by authorized purchasers for each order they place to create one or more creation baskets or to redeem one or more baskets | $   $ 350        
Number of registered shares           11,000,000
Net asset value per share | $ / shares $ 50 $ 38.01 $ 35.23 $ 35.45 $ 27.81  
Number of shares issued 300,000          
Value of shares issued | $ $ 15,000,000          
Creation Baskets            
ORGANIZATION AND BUSINESS            
Number of shares per basket   50,000