Concentration Risk (Details)	Dec. 31, 2025 USD ($)
Coinbase Custody Trust Company, LLC [Member]
Concentration Risk [Line Items]
Investment in AVAX	$ 2,517,563

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.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details

VanEck Avalanche ETF 10-K