Defiance Daily Target 2X Long VAVX ETF VAVX Risks [Member] AVAX Investing Risk [Member] Avalanche-Linked ETP Risk [Member] VAVX Market and Listing Risk [Member] Digital Assets Risk [Member] Single Issuer Risk [Member] Compounding and Market Volatility Risk [Member] Daily Correlation/Tracking Risk [Member] Aggressive Investment Technique Risk [Member] Leverage Risk [Member] Derivatives Risk [Member] Swap Agreements [Member] Options Contracts [Member] Counterparty Risk [Member] Concentration Risk [Member] Intra-Day Investment Risk [Member] Cayman Subsidiary Risk [Member] Commodity-Linked Derivatives Tax Risk [Member] Commodity Pool Regulatory Risk [Member] Fixed Income Securities Risk [Member] Rebalancing Risk [Member] ETF Risks [Member] Authorized Participants, Market Makers, and Liquidity Providers Concentration Risk [Member] Cash Redemption Risk [Member] Costs of Buying or Selling Shares [Member] Shares May Trade at Prices Other Than NAV [Member] Trading [Member] Liquidity Risk [Member] Economic and Market Risk [Member] High Portfolio Turnover Risk [Member] Tracking Error Risk [Member] Liquidity Risks [Member] Money Market Instrument Risk [Member] New Fund Risk [Member] Trading Halt Risk [Member] Operational Risk [Member] U.S. Government and U.S. Agency Obligations Risk [Member] Reverse Repurchase Agreements Risk [Member] Tax Risk [Member] Defiance Daily Target 2X Long VAVX ETF [Member] Defiance Daily Target 2X Long VAVX ETF. Defiance Daily Target 2X Long VAVX ETF. Tax Risk. Reverse Repurchase Agreements Risk.  U.S. Government and U.S. Agency Obligations Risk. Operational Risk. Trading Halt Risk. New Fund Risk. Money Market Instrument Risk. Liquidity Risk. Tracking Error Risk. High Portfolio Turnover Risk. Economic and Market Risk. Trading. Shares May Trade at Prices Other Than NAV. Costs of Buying or Selling Shares. Cash Redemption Risk. Authorized Participants, Market Makers, and Liquidity Providers Concentration Risk. ETF Risks. Rebalancing Risk. Fixed Income Securities Risk. Commodity Pool Regulatory Risk. Commodity-Linked Derivatives Tax Risk. Cayman Subsidiary Risk. Intra-Day Investment Risk. Concentration Risk. Counterparty Risk. Options Contracts. Swap Agreements. Derivatives Risk. Leverage Risk. Aggressive Investment Technique Risk. Compounding and Market Volatility Risk. Single Issuer Risk. Digital Assets Risk. VAVX Market and Listing Risk. AVAX Investing Risk. VAVX Risks. Avalanche-Linked ETP Risk. Daily Correlation/Tracking Risk. Liquidity Risks.