S 000075276 Summary [Member] Prospectus Summary Prospectus Summary S 000075276 [Member] Virtus Stone Harbor Emerging Markets Bond Fund Virtus Stone Harbor Emerging Markets Bond Fund C 000234173 [Member] Class A Shares Class A Shares C 000234172 [Member] Class I Shares Class I Shares S 000075278 Summary [Member] Prospectus Summary Prospectus Summary S 000075278 [Member] Virtus Stone Harbor Emerging Markets Debt Income Fund Virtus Stone Harbor Emerging Markets Debt Income Fund C 000234177 [Member] Class A Shares Class A Shares C 000234176 [Member] Class I Shares Class I Shares S 000075280 Summary [Member] Prospectus Summary Prospectus Summary S 000075280 [Member] Virtus Stone Harbor Local Markets Fund Virtus Stone Harbor Local Markets Fund C 000234181 [Member] Class A Shares Class A Shares C 000234180 [Member] Class I Shares Class I Shares cik0001005020_PrincipalRisks2Member [Member] Principal Risks Principal Risks cik0001005020_EmergingMarketRisk2Member [Member] Emerging Market Risk Emerging Market Risk cik0001005020_SanctionsRisk2Member [Member] Sanctions Risk Sanctions Risk cik0001005020_ForeignInvestingRisk2Member [Member] Foreign Investing Risk Foreign Investing Risk cik0001005020_CreditRisk2Member [Member] Credit Risk Credit Risk cik0001005020_InterestRateRisk2Member [Member] Interest Rate Risk Interest Rate Risk cik0001005020_CounterpartyRisk2Member [Member] Counterparty Risk Counterparty Risk cik0001005020_CurrencyRateRisk2Member [Member] Currency Rate Risk Currency Rate Risk cik0001005020_DerivativesRisk2Member [Member] Derivatives Risk Derivatives Risk cik0001005020_High-YieldHigh-RiskFixedIncomeSecuritiesJunkBondsRisk2Member [Member] High-Yield/High-Risk Fixed Income Securities (Junk Bonds) Risk High-Yield/High-Risk Fixed Income Securities (Junk Bonds) Risk cik0001005020_LiquidityRisk2Member [Member] Liquidity Risk Liquidity Risk cik0001005020_IncomeRisk2Member [Member] Income Risk Income Risk cik0001005020_MarketVolatilityRisk2Member [Member] Market Volatility Risk Market Volatility Risk cik0001005020_BankLoanRisk2Member [Member] Bank Loan Risk Bank Loan Risk cik0001005020_ForeignCurrencyTransactionsRisk2Member [Member] Foreign Currency Transactions Risk Foreign Currency Transactions Risk cik0001005020_PrepaymentCallRisk2Member [Member] Prepayment/Call Risk Prepayment/Call Risk cik0001005020_RedemptionRisk2Member [Member] Redemption Risk Redemption Risk cik0001005020_Short-TermInvestmentsRisk2Member [Member] Short-Term Investments Risk Short-Term Investments Risk cik0001005020_BloombergGlobalAggregateBondIndex3Member [Member] Bloomberg Global Aggregate Bond Index Bloomberg Global Aggregate Bond Index cik0001005020_JPMorganCEMBIBroadDiversifiedIndex3Member [Member] JPMorgan CEMBI Broad Diversified Index JPMorgan CEMBI Broad Diversified Index cik0001005020_MutualFundandETFInvestingRisk2Member [Member] Mutual Fund and ETF Investing Risk Mutual Fund and ETF Investing Risk cik0001005020_PortfolioTurnoverRisk2Member [Member] Portfolio Turnover Risk Portfolio Turnover Risk cik0001005020_JPMorganEMBIGlobalDiversifiedIndex3Member [Member] JPMorgan EMBI Global Diversified Index JPMorgan EMBI Global Diversified Index cik0001005020_Non-DiversificationRisk2Member [Member] Non-Diversification Risk Non-Diversification Risk cik0001005020_InvestinginChinaRisk2Member [Member] Investing in China Risk Investing in China Risk cik0001005020_Non-USGovernmentSecuritiesRisk2Member [Member] Non-U.S. Government Securities Risk Non-U.S. Government Securities Risk cik0001005020_JPMorganGBI-EMGlobalDiversifiedIndex3Member [Member] JPMorgan GBI-EM Global Diversified Index JPMorgan GBI-EM Global Diversified Index Document [Axis] Series [Axis] Prospectus Prospectus [Table] Risk/Return: Performance Measure [Axis] Class [Axis] Before Taxes After Taxes on Distributions After Taxes on Distributions and Sales Risk [Axis] All Risks [Member] Risk Lose Money [Member] Risk Not Insured [Member] Risk Nondiversified Status [Member] Risk Not Insured Depository Institution [Member] Risk Money Market Fund Price Fluctuates [Member] Risk Money Market Fund May Impose Fees or Suspend Sales [Member] Risk Money Market Fund Sponsor May Not Provide Support [Member] Risk Money Market Fund May Not Preserve Dollar [Member] Risks [Table Text Block] Risks [Table Text Block]