| The Fund is an actively managed exchange-traded fund ( ETF ) that seeks to achieve its objective by investing in equity securities will generate a higher dividend yield than is generally provided by equity markets in developed ex-U.S. countries, as measured by the MSCI World ex USA Index, over a full market cycle ( dividend-paying equity securities ) within a framework that attempts to manage portfolio risk. Under normal market conditions, the Fund will invest not less than 80% of its net assets (plus the amount of any borrowings for investment purposes) in dividend-paying equity securities. The Fund invests primarily in equity securities of foreign issuers of any market capitalization. The principal types of equity securities in which the Fund invests are common and preferred stock, American Depositary Receipts ( ADRs ), Global Depositary Receipts ( GDRs ), and real estate investment trusts ( REITs ). Effective July 20, 2020, the Fund changed its name from Virtus WMC Global Factor Opportunities ETF to Virtus WMC International Dividend ETF. |