v3.26.3
Investment Objectives and Goals - Defiance Helium and Strategic Gases ETF
Sep. 25, 2026
Prospectus [Line Items]  
Risk/Return [Heading] DEFIANCE HELIUM AND STRATEGIC GASES ETF – FUND SUMMARY
Objective [Heading] Investment Objective
Objective, Primary [Text Block]

Defiance Helium and Strategic Gases ETF (the “Fund”) seeks to track the performance, before fees and expenses, of the MarketVectorTM Helium and Strategic Gases Index (the “Index”).