Investment Period Risk Member Investment Period Risk Member ETF Risks, Authorized Participants ("APs"), Market Makers, And Liquidity Providers Concentration Risk Member ETF Risks, Authorized Participants ("APs"), Market Makers, And Liquidity Providers Concentration Risk Member Cap Change Risk Member Cap Change Risk Member Cash Transaction Risk Member Cash Transaction Risk Member Large-Capitalization Investing Risk Member Large-Capitalization Investing Risk Member Aptus April Deep Buffer ETF Class S000102978 Aptus April Deep Buffer ETF C000273510 Aptus April Deep Buffer ETF Underlying ETF Risk Member Underlying ETF Risk Member FLEX Options Correlation Risk Member FLEX Options Correlation Risk Member Aptus January Deep Buffer ETF Class S000102977 Aptus January Deep Buffer ETF C000273509 Aptus January Deep Buffer ETF ETF Risks, Trading Risk Member ETF Risks, Trading Risk Member Buffered Loss Risk Member Buffered Loss Risk Member ETF Risks, Shares Of The Fund May Trade At Prices Other Than NAV Risk Member ETF Risks, Shares Of The Fund May Trade At Prices Other Than NAV Risk Member ETF Risks Member ETF Risks Member Market Risk Member Market Risk Member Aptus October Deep Buffer ETF Class S000102980 Aptus October Deep Buffer ETF C000273512 Aptus October Deep Buffer ETF Defined Outcome Fund Risk Member Defined Outcome Fund Risk Member ETF Risks, Costs Of Buying Or Selling Shares Of The Fund Risk Member ETF Risks, Costs Of Buying Or Selling Shares Of The Fund Risk Member Special Tax Risk Member Special Tax Risk Member Capped Upside Risk Member Capped Upside Risk Member Aptus July Deep Buffer ETF S000102979 Aptus July Deep Buffer ETF C000273511 Aptus July Deep Buffer ETF FLEX Options Valuation Risk Member FLEX Options Valuation Risk Member Aptus July Deep Buffer ETF Class S000102979 Aptus July Deep Buffer ETF C000273511 Aptus July Deep Buffer ETF Sector Risk Member Sector Risk Member Aptus October Deep Buffer ETF S000102980 Aptus October Deep Buffer ETF C000273512 Aptus October Deep Buffer ETF Sector Risk, Information Technology Sector Risk Member Sector Risk, Information Technology Sector Risk Member No Operating Risk Member No Operating Risk Member Management Risk Member Management Risk Member Aptus April Deep Buffer ETF S000102978 Aptus April Deep Buffer ETF C000273510 Aptus April Deep Buffer ETF FLEX Options Liquidity Risk Member FLEX Options Liquidity Risk Member Counterparty Risk Member Counterparty Risk Member Aptus January Deep Buffer ETF S000102977 Aptus January Deep Buffer ETF C000273509 Aptus January Deep Buffer ETF