Defiance AI Capacitors Leaders ETF Equity Market Risk [Member] Concentration Risk [Member] Technology Hardware Risks [Member] Artificial Intelligence Risk [Member] Sector Risks [Member] Industrials Sector Risks [Member] Foreign Securities Risk [Member] Currency Risk [Member] Depositary Receipt Risk [Member] Passive Investment Risk [Member] Third Party Data Risk [Member] Tracking Error Risk [Member] Index Strategy Risk [Member] Underlying Index Risk [Member] Derivatives Risk [Member] Swap Agreements [Member] Options Contracts [Member] Counterparty 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] Economic and Market Risk [Member] Market Capitalization Risk [Member] Large-Capitalization Investing [Member] Mid-Capitalization Investing [Member] Small-Capitalization Investing [Member] New Fund Risk [Member] Cash and Cash Equivalents Risk [Member] High Portfolio Turnover Risk [Member] Operational Risk [Member] Defiance AI Capacitors Leaders ETF [Member] Defiance AI Capacitors Leaders ETF. Defiance AI Capacitors Leaders ETF. Operational Risk. High Portfolio Turnover Risk. Cash and Cash Equivalents Risk. New Fund Risk. Small-Capitalization Investing. Mid-Capitalization Investing. Large-Capitalization Investing. Market Capitalization Risk. Economic and Market Risk. Trading. Shares May Trade at Prices Other Than NAV. Costs of Buying or Selling Shares. Authorized Participants, Market Makers, and Liquidity Providers Concentration Risk. ETF Risks. Counterparty Risk. Options Contracts. Swap Agreements. Derivatives Risk. Underlying Index Risk. Index Strategy Risk. Tracking Error Risk. Third Party Data Risk. Passive Investment Risk. Depositary Receipt Risk. Currency Risk. Foreign Securities Risk. Industrials Sector Risks. Sector Risks. Artificial Intelligence Risk. Technology Hardware Risks. Concentration Risk. Equity Market Risk. Cash Redemption Risk.