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v3.26.1

Capital Share Transactions (Details) | 12 Months Ended
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Dec. 31, 2025 shares
Secondary Market [Member] |
Capital Share Transactions [Abstract] |
Trust shares authorized (in Shares) | 25,000

X
- Definition The number of shares issued or sold by the subsidiary or equity method investee per stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- 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 No definition available. + Details
Name: | us-gaap_SubsidiaryOrEquityMethodInvesteeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=ethv_SecondaryMarketMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |