v3.26.1
Related Parties - Additional Information (Detail)
3 Months Ended 45 Months Ended
Mar. 31, 2026
USD ($)
Right
shares
Mar. 31, 2025
USD ($)
Right
Mar. 31, 2026
USD ($)
Right
shares
Dec. 31, 2025
USD ($)
Right
shares
Jun. 30, 2022
USD ($)
Mar. 02, 2022
USD ($)
Related Party Transaction [Line Items]            
Shares of the Trust, held by related parties | shares 2,877,399   2,877,399 2,959,388    
Related party sponsor fee percentage 2.50%          
Number of incidental rights held | Right 0   0 0    
Number of Incidental Rights distributed | Right 0 0        
Additional trust expenses paid by sponsor $ 0 $ 0        
Maximum            
Related Party Transaction [Line Items]            
Common stock value, shares authorized           $ 10,000,000
Sponsor            
Related Party Transaction [Line Items]            
Related party maximum transaction in a fiscal year 600,000          
Sponsor's Fees 41,724 $ 88,833        
Sponsor's Fee payable, related party 0   $ 0 $ 0    
Non Sponsor            
Related Party Transaction [Line Items]            
Related party maximum transaction in a fiscal year $ 600,000          
DCG            
Related Party Transaction [Line Items]            
Number of shares purchased under authorization | shares     0      
DCG | Maximum            
Related Party Transaction [Line Items]            
Amount of the Trust, held by related parties         $ 10,000.00