RAUB BROCK DIVIDEND GROWTH ETF Equity Market Risk [Member] Dividend-Paying Common Equity Security Risk [Member] Quantitative Security Selection Risk [Member] Third-Party Data Risk [Member] Growth Stock Investment Risk [Member] Value Stock Investment Risk [Member] Quality Stock Investment Risk [Member] Sector Risks [Member] Foreign Securities Risk [Member] Depositary Receipts Risks [Member] Currency Exchange Rate Risk [Member] Emerging Markets 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] Management Risk [Member] Market Capitalization Risks [Member] Large-Capitalization Investing [Member] New Fund Risk [Member] Operational Risk [Member] RAUB BROCK DIVIDEND GROWTH ETF [Member] RAUB BROCK DIVIDEND GROWTH ETF. RAUB BROCK DIVIDEND GROWTH ETF. Operational Risk. New Fund Risk. Large-Capitalization Investing. Market Capitalization Risks. Management 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. Emerging Markets Risk. Currency Exchange Rate Risk. Depositary Receipts Risks. Foreign Securities Risk. Sector Risks. Quality Stock Investment Risk. Value Stock Investment Risk. Growth Stock Investment Risk. Third-Party Data Risk. Quantitative Security Selection Risk. Dividend-Paying Common Equity Security Risk. Equity Market Risk.