Dividend-Paying Securities Risk Member Dividend-Paying Securities Risk Member Hoya Capital Housing ETF Class Hoya Capital Housing ETF Class, C000210709, HOMZ Dow Jones U.S. Real Estate Total Return Index (reflects no deduction for fees, expenses, or taxes) Dow Jones U.S. Real Estate Total Return Index (reflects no deduction for fees, expenses, or taxes) reflectsnodeductionforfeesexpensesortaxesMember Market Capitalization Risk Member Market Capitalization Risk Member Passive Investment Risk Member Passive Investment Risk Member Market Capitalization Risk, Small-Capitalization Investing Risk Member Market Capitalization Risk, Small-Capitalization Investing Risk Member ETF Risks, Trading Risk Member ETF Risks, Trading Risk Member ETF Risks Member ETF Risks Member Models And Data Risk Member Models And Data Risk Member Hoya Capital High Dividend Yield ETF Hoya Capital High Dividend Yield ETF, S000073033 S&P MidCap 400® Total Return Index (reflects no deduction for fees, expenses, or taxes) S&P MidCap 400® Total Return Index (reflects no deduction for fees, expenses, or taxes) Real Estate Investment Risk Member Real Estate Investment Risk Member ETF Risks, Costs Of Buying Or Selling Shares Risk Member ETF Risks, Costs Of Buying Or Selling Shares Risk Member Hoya Capital Housing 100TM Index (gross total return) (reflects no deduction for fees, expenses, or taxes) Hoya Capital Housing 100TM Index (gross total return) (reflects no deduction for fees, expenses, or taxes) Index Provider Risk Member Index Provider Risk Member Preferred Securities Risk Member Preferred Securities Risk Member Market Capitalization Risk, Large-Capitalization Investing Risk Member Market Capitalization Risk, Large-Capitalization Investing Risk Member Tracking Error Risk Member Tracking Error Risk Member Concentration Risk Member Concentration Risk Member Hoya Capital High Dividend Yield ETF Class Hoya Capital High Dividend Yield ETF Class, C000229810, RIET Market Capitalization Risk, Mid-Capitalization Investing Risk Member Market Capitalization Risk, Mid-Capitalization Investing Risk Member ETF Risks, Shares May Trade At Prices Other Than NAV Risk Member ETF Risks, Shares May Trade At Prices Other Than NAV Risk Member Construction And Housing Risk Member Construction And Housing Risk Member ETF Risks, Authorized Participants, Market Makers, And Liquidity Providers Concentration Risk Member ETF Risks, Authorized Participants, Market Makers, And Liquidity Providers Concentration Risk Member Hoya Capital Housing ETF Hoya Capital Housing ETF, S000065066 Hoya Capital High Dividend Yield Index (gross total return) (reflects no deduction for fees, expenses, or taxes) Hoya Capital High Dividend Yield Index (gross total return) (reflects no deduction for fees, expenses, or taxes) S&P 500® Total Return Index (reflects no deduction for fees, expenses, or taxes) S&P 500® Total Return Index (reflects no deduction for fees, expenses, or taxes) Equity Market Risk Member Equity Market Risk Member