v3.26.3
Label Element Value
Risk/Return: oef_RiskReturnAbstract  
Document Type dei_DocumentType 485BPOS
Document Period End Date dei_DocumentPeriodEndDate May 31, 2026
Registrant Name dei_EntityRegistrantName VIRTUS OPPORTUNITIES TRUST
Entity Central Index Key dei_EntityCentralIndexKey 0001005020
Amendment Flag dei_AmendmentFlag false
Document Creation Date dei_DocumentCreationDate Sep. 18, 2026
Document Effective Date dei_DocumentEffectiveDate Sep. 28, 2026
Entity Investment Company Type dei_EntityInvCompanyType N-1A
Prospectus Date oef_ProspectusDate Sep. 28, 2026
Virtus Stone Harbor Emerging Markets Bond Fund | Class A Shares  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol VSHAX
Virtus Stone Harbor Emerging Markets Bond Fund | Class I Shares  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol SHCDX
Virtus Stone Harbor Emerging Markets Debt Income Fund | Class A Shares  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol VSHCX
Virtus Stone Harbor Emerging Markets Debt Income Fund | Class I Shares  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol SHMDX
Virtus Stone Harbor Local Markets Fund | Class A Shares  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol VSHEX
Virtus Stone Harbor Local Markets Fund | Class I Shares  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol SHLMX