Tactical Advantage ETF Underlying ETFs Risks [Member] Models and Data Risk [Member] Market Capitalization Risk [Member] Large-Capitalization Investing [Member] Mid-Capitalization Investing [Member] Small-Capitalization Investing [Member] Equity Market Risk [Member] Debt Securities Risk [Member] Call Risk [Member] Event Risk [Member] Extension Risk [Member] Credit Risk [Member] Interest Rate Risk [Member] High-Yield Securities (Junk Bonds) Risk [Member] Sector Risk [Member] Economic and Market Risk [Member] ETF Risks [Member] Authorized Participants, Market Makers, and Liquidity Providers Concentration Risk [Member] Costs of Buying or Selling Shares [Member] Shares May Trade at Prices Other Than NAV [Member] Trading [Member] Illiquid Investments Risk [Member] High Portfolio Turnover Risk [Member] Management Risk [Member] Momentum Risk [Member] Operational Risk [Member] Tactical Advantage ETF [Member] S&P 500 Index (reflects no deduction for fees, expenses, or taxes) Tactical Advantage ETF. Tactical Advantage ETF [Member] Operational Risk. Momentum Risk. Management Risk. High Portfolio Turnover Risk. Illiquid Investments 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. Economic and Market Risk. Sector Risk. High-Yield Securities (Junk Bonds) Risk. Extension Risk. Event Risk. Call Risk. Debt Securities Risk. Equity Market Risk. Small-Capitalization Investing. Mid-Capitalization Investing. Large-Capitalization Investing. Market Capitalization Risk. Models and Data Risk. Underlying ETFs Risks. S&P 500 Index (reflects no deduction for fees, expenses, or taxes)