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Label Element Value
Risk/Return: rr_RiskReturnAbstract  
Document Type dei_DocumentType Other
Document Period End Date dei_DocumentPeriodEndDate Sep. 30, 2011
Registrant Name dei_EntityRegistrantName VIRTUS OPPORTUNITIES TRUST
Central Index Key dei_EntityCentralIndexKey 0001005020
Amendment Flag dei_AmendmentFlag false
Document Creation Date dei_DocumentCreationDate Feb. 06, 2012
Document Effective Date dei_DocumentEffectiveDate Feb. 06, 2012
Prospectus Date rr_ProspectusDate Jan. 31, 2012