Class U.S. Global GO GOLD and Precious Metal Miners ETF - C000171622 U.S. Global GO GOLD and Precious Metal Miners ETF Class U.S. Global JETS ETF - C000153068 U.S. Global JETS ETF Class U.S. Global Sea to Sky Cargo ETF - C000229127 U.S. Global Sea to Sky Cargo ETF Class U.S. Global Technology and Aerospace & Defense ETF - C000255944 U.S. Global Technology and Aerospace & Defense ETF Industry Sector:1C000171622-Basic Materials Basic Materials [Member] Industry Sector:2C000171622-Cash & Other Cash & Other [Member] Largest Holding:3C000171622-Mount Vernon Liquid Assets Portfolio, LLC Mount Vernon Liquid Assets Portfolio, LLC [Member] Largest Holding:4C000171622-Franco-Nevada Corp. Franco-Nevada Corp. [Member] Largest Holding:5C000171622-OR Royalties, Inc. OR Royalties, Inc. [Member] Largest Holding:6C000171622-Wheaton Precious Metals Corp. Wheaton Precious Metals Corp. [Member] Largest Holding:7C000171622-Aya Gold & Silver, Inc. Aya Gold & Silver, Inc. [Member] Largest Holding:8C000171622-Harmony Gold Mining Co. Ltd. Harmony Gold Mining Co. Ltd. [Member] Largest Holding:9C000171622-Fortuna Mining Corp. Fortuna Mining Corp. [Member] Largest Holding:10C000171622-Endeavour Mining PLC Endeavour Mining PLC [Member] Largest Holding:11C000171622-Endeavour Silver Corp. Endeavour Silver Corp. [Member] Largest Holding:12C000171622-Capricorn Metals Ltd. Capricorn Metals Ltd. [Member] C000171622-Canada Canada C000171622-Australia Australia C000171622-United States United States C000171622-South Africa South Africa C000171622-United Kingdom United Kingdom C000171622-Peru Peru Other Category:19C000171622-Cash & Other1 Cash & Other [Member] Industry Sector:20C000153068-Consumer, Cyclical Consumer, Cyclical [Member] Industry Sector:21C000153068-Industrial Industrial [Member] Industry Sector:22C000153068-Communications Communications [Member] Industry Sector:23C000153068-Cash & Other Cash & Other [Member] Largest Holding:24C000153068-American Airlines Group, Inc. American Airlines Group, Inc. [Member] Largest Holding:25C000153068-United Airlines Holdings, Inc. United Airlines Holdings, Inc. [Member] Largest Holding:26C000153068-Southwest Airlines Co. Southwest Airlines Co. [Member] Largest Holding:27C000153068-Delta Air Lines, Inc. Delta Air Lines, Inc. [Member] Largest Holding:28C000153068-Mount Vernon Liquid Assets Portfolio, LLC Mount Vernon Liquid Assets Portfolio, LLC [Member] Largest Holding:29C000153068-Allegiant Travel Co. Allegiant Travel Co. [Member] Largest Holding:30C000153068-Frontier Group Holdings, Inc. Frontier Group Holdings, Inc. [Member] Largest Holding:31C000153068-Air Canada Air Canada [Member] Largest Holding:32C000153068-JetBlue Airways Corp. JetBlue Airways Corp. [Member] Largest Holding:33C000153068-Alaska Air Group, Inc. Alaska Air Group, Inc. [Member] C000153068-France France C000153068-Spain Spain C000153068-China China C000153068-Mexico Mexico C000153068-Turkey Turkey C000153068-Japan Japan Other Category:43C000153068-Cash & Other1 Cash & Other [Member] Industry Sector:44C000229127-Industrial Industrial [Member] Industry Sector:45C000229127-Consumer, Non-cyclical Consumer, Non-cyclical [Member] Industry Sector:46C000229127-Cash & Other Cash & Other [Member] Largest Holding:47C000229127-Mount Vernon Liquid Assets Portfolio, LLC Mount Vernon Liquid Assets Portfolio, LLC [Member] Largest Holding:48C000229127-DHT Holdings, Inc. DHT Holdings, Inc. [Member] Largest Holding:49C000229127-Orient Overseas International Ltd. Orient Overseas International Ltd. [Member] Largest Holding:50C000229127-Wallenius Wilhelmsen ASA Wallenius Wilhelmsen ASA [Member] Largest Holding:51C000229127-COSCO SHIPPING Holdings Co. Ltd. COSCO SHIPPING Holdings Co. Ltd. [Member] Largest Holding:52C000229127-International Seaways, Inc. International Seaways, Inc. [Member] Largest Holding:53C000229127-SITC International Holdings Co. Ltd. SITC International Holdings Co. Ltd. [Member] Largest Holding:54C000229127-Kuehne + Nagel International AG Kuehne + Nagel International AG [Member] Largest Holding:55C000229127-Global Ship Lease, Inc. Global Ship Lease, Inc. [Member] Largest Holding:56C000229127-Wan Hai Lines, Ltd. Wan Hai Lines, Ltd. [Member] C000229127-Hong Kong Hong Kong C000229127-Norway Norway C000229127-Bermuda Bermuda C000229127-Taiwan Taiwan C000229127-Singapore Singapore C000229127-Switzerland Switzerland Other Category:66C000229127-Cash & Other1 Cash & Other1 [Member] Industry Sector:67C000255944-Technology Technology [Member] Industry Sector:68C000255944-Industrial Industrial [Member] Industry Sector:69C000255944-Financial Financial [Member] Industry Sector:70C000255944-Communications Communications [Member] Industry Sector:71C000255944-Cash & Other Cash & Other [Member] Largest Holding:72C000255944-Astera Labs, Inc. Astera Labs, Inc. [Member] Largest Holding:73C000255944-Axon Enterprise, Inc. Axon Enterprise, Inc. [Member] Largest Holding:74C000255944-Micron Technology, Inc. Micron Technology, Inc. [Member] Largest Holding:75C000255944-Mount Vernon Liquid Assets Portfolio, LLC Mount Vernon Liquid Assets Portfolio, LLC [Member] Largest Holding:76C000255944-Mildef Group AB Mildef Group AB [Member] Largest Holding:77C000255944-DroneShield Ltd. DroneShield Ltd. [Member] Largest Holding:78C000255944-Intuitive Machines, Inc. Intuitive Machines, Inc. [Member] Largest Holding:79C000255944-Teradyne, Inc. Teradyne, Inc. [Member] Largest Holding:80C000255944-Electro Optic Systems Holdings Ltd. Electro Optic Systems Holdings Ltd. [Member] Largest Holding:81C000255944-Rolls-Royce Holdings PLC Rolls-Royce Holdings PLC [Member] C000255944-Sweden Sweden C000255944-Netherlands Netherlands C000255944-Cyprus Cyprus Other Category:88C000255944-Cash & Other1 Cash & Other [Member] Net Assets Investment Company Portfolio Turnover Portfolio Turnover Commodity Index Linked Notes [Member] Commodity Index Linked Notes Sovereign Debt Securities [Member] Sovereign Debt Securities Convertible Debt Securities [Member] Convertible Debt Securities Corporate Debt Securities [Member] Corporate Debt Securities Corporate Note Securities [Member] Corporate Note Securities Corporate Bond Securities [Member] Corporate Bond Securities Fixed Income Investments [Member] Fixed Income Investments Securities Investment [Member] Securities Investment Other Aggregated Investments [Member] Other Aggregated Investments Real Estate Sector [Member] Real Estate Sector Standard Poors 500 Index [Member] Standard Poors 500 Index Nasdaq Composite Index [Member] Nasdaq Composite Index Equity Securities Industry [Member] Equity Securities Industry Equity Securities [Member] Equity Securities Dow Jones Industrial Average [Member] Dow Jones Industrial Average Construction Sector [Member] Construction Sector Automotive Sector [Member] Automotive Sector Transportation Sector [Member] Transportation Sector Aerospace Sector [Member] Aerospace Sector Consumer Sector [Member] Consumer Sector Chemicals Sector [Member] Chemicals Sector Insurance Sector [Member] Insurance Sector Cash [Member] Cash Asset Backed Securities [Member] Asset Backed Securities Container And PackagingSector [Member] Container And PackagingSector Investment Type [Axis] Asset Class US Treasury Securities [Member] US Treasury Securities Mortgage Backed Securities [Member] Mortgage Backed Securities Investment Type Categorization [Member] Investment Type Categorization Entertainment Sector [Member] Entertainment Sector Food And Beverage Sector [Member] Food And Beverage Sector Financial Services Sector [Member] Financial Services Sector Healthcare Sector [Member] Healthcare Sector Energy Sector [Member] Energy Sector Technology Sector [Member] Technology Sector Government Sector [Member] Government Sector No Trading Symbol