v3.25.2
Schedule of Trust’s Investments at Fair Value (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]      
Total $ 1,105,737 [1] $ 791,131 [1] $ 935,950
Fair Value, Inputs, Level 1 [Member]      
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]      
Total 1,105,737 791,131  
Fair Value, Inputs, Level 2 [Member]      
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]      
Total  
Fair Value, Inputs, Level 3 [Member]      
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]      
Total  
Gold [Member] | Fair Value, Inputs, Level 1 [Member]      
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]      
Total 1,105,737 791,131  
Gold [Member] | Fair Value, Inputs, Level 2 [Member]      
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]      
Total  
Gold [Member] | Fair Value, Inputs, Level 3 [Member]      
Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]      
Total  
[1] Cost of investment in gold bullion: $588,663 and $554,189, respectively.