Peerless Option Income Wheel ETF Option Wheel Strategy Risk [Member] Derivatives Risk [Member] Options Contracts [Member] Counterparty Risk [Member] Distribution Risk [Member] Economic and Market 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] Management Risk [Member] Shares May Trade at Prices Other Than NAV [Member] Trading [Member] Underlying ETFs Risk [Member] High Portfolio Turnover Risk [Member] Inflation Risk [Member] Liquidity Risk [Member] Money Market Instrument Risk [Member] Operational Risk [Member] Sector Risk [Member] Tax Risk [Member] U.S. Government and U.S. Agency Obligations Risk [Member] Peerless Option Income Wheel ETF [Member] S&P 500® Total Return Index (reflects no deduction for fees, expenses, or taxes) Peerless Option Income Wheel ETF. Peerless Option Income Wheel ETF [Member] Tax Risk. Sector Risk. Operational Risk. Money Market Instrument Risk. Liquidity Risk. Inflation Risk. High Portfolio Turnover Risk. Underlying ETFs Risk. Trading. Shares May Trade at Prices Other Than NAV. Management Risk. Costs of Buying or Selling Shares. Cash Redemption Risk. Authorized Participants, Market Makers, and Liquidity Providers Concentration Risk. ETF Risks. Economic and Market Risk. Distribution Risk. Counterparty Risk. Options Contracts. Derivatives Risk. U.S. Government and U.S. Agency Obligations Risk. Option Wheel Strategy Risk. S&P 500® Total Return Index (reflects no deduction for fees, expenses, or taxes).