| Label | Element | Value |
|---|---|---|
| Vident International Equity Strategy ETF | ||
| Prospectus [Line Items] | rr_ProspectusLineItems | |
| Risk/Return [Heading] | rr_RiskReturnHeading | Vident International Equity Strategy ETF |
| Supplement to Prospectus [Text Block] | rr_SupplementToProspectusTextBlock | Vident International Equity Fund (VIDI) (the “Fund”) December 5, 2022 Supplement to the Summary Prospectus, Prospectus, and Statement of Additional Information, each dated December 31, 2021, as previously supplemented Effective December 31, 2022, the Fund’s name will change to the “Vident International Equity Strategy ETF”. All references in the Summary Prospectus, Prospectus, and Statement of Additional Information to the Fund’s previous name are replaced with the new name.
|
| Supplement Closing [Text Block] | ck0001540305_SupplementClosing | Please retain this Supplement with your Summary Prospectus, Prospectus, and Statement of Additional Information for future reference.
|
| Vident International Equity Strategy ETF | Vident International Equity Strategy ETF | ||
| Prospectus [Line Items] | rr_ProspectusLineItems | |
| Trading Symbol | dei_TradingSymbol | VIDI |