v3.26.1
Related Parties - Additional Information (Detail)
3 Months Ended 6 Months Ended 51 Months Ended
Mar. 02, 2022
USD ($)
Mar. 31, 2026
USD ($)
Right
shares
Mar. 31, 2025
USD ($)
Right
Dec. 31, 2021
USD ($)
Mar. 31, 2026
USD ($)
Right
shares
Dec. 31, 2025
USD ($)
Right
shares
Jun. 21, 2021
USD ($)
Related Party Transaction [Line Items]              
Shares of the Trust, held by related parties | shares   14,977     14,977 14,977  
Number of Incidental Rights held | Right   0     0 0  
Number of Incidental Rights distributed | Right   0 0        
Related party sponsor fee percentage   2.50%          
Additional trust expenses paid by sponsor   $ 0 $ 0        
Related Party              
Related Party Transaction [Line Items]              
Sponsor's Fees incurred   659,801 $ 1,511,565        
Sponsor's Fee payable, related party   0     $ 0 $ 0  
Sponsor              
Related Party Transaction [Line Items]              
Related party maximum transaction in a fiscal year   600,000          
Sponsor's Fee payable, related party   0     0 $ 0  
Non Sponsor Paid Expenses              
Related Party Transaction [Line Items]              
Related party maximum transaction in a fiscal year   $ 600,000          
D C G              
Related Party Transaction [Line Items]              
Value of shares purchased       $ 45,300,000 $ 0    
D C G | Maximum              
Related Party Transaction [Line Items]              
Common Stock Value Shares Authorized $ 50,000,000           $ 50,000,000
Value of shares purchased $ 200,000,000