XML 36 R22.htm IDEA: XBRL DOCUMENT v3.22.1
ORGANIZATION AND BUSINESS (Details)
1 Months Ended 3 Months Ended
Jan. 04, 2018
$ / shares
shares
Apr. 18, 2007
USD ($)
$ / shares
shares
Apr. 30, 2007
Mar. 31, 2022
contract
$ / shares
$ / item
Dec. 31, 2021
$ / shares
Mar. 31, 2021
$ / shares
Dec. 31, 2020
$ / shares
Organization, Consolidation and Presentation of Financial Statements Disclosure              
Number of successive valuation days       30 days      
Average daily percentage change in the price of the Benchmark Futures Contract considered       10.00%      
Fee paid by Authorized Purchasers for each order placed to create one or more Creation Baskets or to redeem one or more baskets | $ / item       1,000      
Number of initially registered units on Form S-1 with the U.S. Securities and Exchange Commission     30,000,000        
Net Asset Value Per Unit | $ / shares       $ 19.69 $ 12.39 $ 9.61 $ 9.20
Number of units issued   200,000          
Value of unit issued | $   $ 10,001,000          
Number of registered units       2,280,000,000      
Committee For Uniform Securities Identification Procedure Cusip 912318300            
Prior to Reverse Split [Member]              
Organization, Consolidation and Presentation of Financial Statements Disclosure              
Net Asset Value Per Unit | $ / shares $ 5.69 $ 50.00          
Issued units 97,466,476            
Capital Units, Outstanding 97,466,476            
Stockholders' Equity, Reverse Stock Split 0.25            
Following Reverse Split [Member]              
Organization, Consolidation and Presentation of Financial Statements Disclosure              
Net Asset Value Per Unit | $ / shares $ 22.76            
Issued units 24,366,619            
Capital Units, Outstanding 24,366,619            
Creation Baskets [Member]              
Organization, Consolidation and Presentation of Financial Statements Disclosure              
Number of units per basket | $ / item       100,000      
Redemption Baskets [Member]              
Organization, Consolidation and Presentation of Financial Statements Disclosure              
Number of units per basket | $ / item       100,000      
Open Commodity Futures Contracts, Long [Member] | United States [Member] | NYMEX Natural Gas Futures Contracts [Member]              
Organization, Consolidation and Presentation of Financial Statements Disclosure              
Number of Contracts | contract       6,870