Schedules of Investment $ in Thousands	Jun. 30, 2024 USD ($) ETC	Dec. 31, 2023 USD ($) ETC
Schedule Of Investments [Line Items]
Quantity of ETC | ETC	11,406,089.20579717	11,548,776.1723
Investment, Type [Extensible Enumeration]	Investment in ETC	Investment in ETC
Cost	$ 86,131	$ 87,209
Fair Value	$ 268,727	$ 253,958
% of Net Assets	100.00%	100.00%
Investment in ETC
Schedule Of Investments [Line Items]
Cost	$ 86,131	$ 87,209
Fair Value	$ 268,727	$ 253,958
% of Net Assets	100.00%	100.00%