Significant Accounting Policies - Summary of Trust's Assets Accounted at Fair Value (Details) - Investments in Crypto Assets, at Fair Value - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Assets	$ 592,436	$ 638,928
Level 1
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Assets	592,436	638,928
Level 2
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Assets	0	0
Level 3
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Assets	$ 0	$ 0

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References + Details