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Schedule - Annual Total Returns - ALPS/GS Momentum Builder Asia ex-Japan Equities and U.S. Treasuries Index ETF [BarChart] link:presentationLink link:calculationLink link:definitionLink 000037 - Schedule - Average Annual Total Returns {Transposed} {- ALPS/GS Momentum Builder Asia ex-Japan Equities and U.S. Treasuries Index ETF} link:presentationLink link:calculationLink link:definitionLink 000038 - Document - Risk/Return Detail {Unlabeled} - ALPS/GS Momentum Builder Asia ex-Japan Equities and U.S. Treasuries Index ETF link:presentationLink link:calculationLink link:definitionLink 000039 - Disclosure - Risk/Return Detail Data {Elements} - ALPS/GS Momentum Builder Asia ex-Japan Equities and U.S. Treasuries Index ETF link:presentationLink link:calculationLink link:definitionLink 000041 - Document - Risk/Return Summary {Unlabeled} - ALPS/GS Risk-Adjusted Return US Large Cap Index ETF link:presentationLink link:calculationLink link:definitionLink 000042 - Schedule - Shareholder Fees {- ALPS/GS Risk-Adjusted Return US Large Cap Index ETF} link:presentationLink link:calculationLink link:definitionLink 000043 - Schedule - Annual Fund Operating Expenses {- ALPS/GS Risk-Adjusted Return US Large Cap Index ETF} link:presentationLink link:calculationLink link:definitionLink 000044 - Schedule - Expense Example {Transposed} {- ALPS/GS Risk-Adjusted Return US Large Cap Index ETF} link:presentationLink link:calculationLink link:definitionLink 000045 - Schedule - Expense Example, No Redemption {Transposed} {- ALPS/GS Risk-Adjusted Return US Large Cap Index ETF} link:presentationLink link:calculationLink link:definitionLink 000046 - Schedule - Annual Total Returns - ALPS/GS Risk-Adjusted Return US Large Cap Index ETF [BarChart] link:presentationLink link:calculationLink link:definitionLink 000047 - Schedule - Average Annual Total Returns {Transposed} {- ALPS/GS Risk-Adjusted Return US Large Cap Index ETF} link:presentationLink link:calculationLink link:definitionLink 000048 - Document - Risk/Return Detail {Unlabeled} - ALPS/GS Risk-Adjusted Return US Large Cap Index ETF link:presentationLink link:calculationLink link:definitionLink 000049 - Disclosure - Risk/Return Detail Data {Elements} - ALPS/GS Risk-Adjusted Return US Large Cap Index ETF link:presentationLink link:calculationLink link:definitionLink