Financial Highlights Per Share Performance - Summary of Per Share Data (Details) - $ / shares	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Per Share Data:
Principal market net asset value, beginning of period	$ 31.93	$ 15.14	$ 33.21	$ 17.18
Net increase in net assets from investment operations:
Net investment loss	(0.26)	(0.12)	(0.46)	(0.22)
Net realized and unrealized gain	14.85	8.54	13.77	6.6
Net increase in net assets resulting from operations	14.59	8.42	13.31	6.38
Principal market net asset value, end of period	$ 46.52	$ 23.56	$ 46.52	$ 23.56
Total return	45.69%	55.61%	40.08%	37.14%
Ratios to average net assets:
Net investment loss	(2.50%)	(2.50%)	(2.50%)	(2.50%)
Expenses	(2.50%)	(2.50%)	(2.50%)	(2.50%)