XML 13 R3.htm IDEA: XBRL DOCUMENT v3.22.1
Statements of Assets and Liabilities (Parenthetical) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Mar. 31, 2022
Jun. 30, 2021
Investment Company [Abstract]    
Cost of investment in gold bullion $ 850,234 $ 878,799
Common Stock, Shares Authorized, Unlimited Unlimited Unlimited