SCHEDULES OF INVESTMENT (UNAUDITED) $ in Thousands	Mar. 31, 2024 USD ($) Horizen	Sep. 30, 2023 USD ($) Horizen
Schedule Of Investments [Line Items]
Quantity of ZEN | Horizen	593,660.61627208	601,138.55454194
Investment, Type [Extensible Enumeration]	Investment in ZEN	Investment in ZEN
Cost	$ 12,138	$ 12,291
Fair Value	$ 8,804	$ 4,671
Percent of Net Assets	100.00%	100.00%
Investment in ZEN
Schedule Of Investments [Line Items]
Cost	$ 12,138	$ 12,291
Fair Value	$ 8,804	$ 4,671
Percent of Net Assets	100.00%	100.00%