Label	Element	Value
Risk/Return:	rr_RiskReturnAbstract
Document Type	dei_DocumentType	497
Document Period End Date	dei_DocumentPeriodEndDate	Sep. 30, 2014
Registrant Name	dei_EntityRegistrantName	VIRTUS OPPORTUNITIES TRUST
Central Index Key	dei_EntityCentralIndexKey	0001005020
Amendment Flag	dei_AmendmentFlag	false
Trading Symbol	dei_TradingSymbol	VOT
Document Creation Date	dei_DocumentCreationDate	May 18, 2015
Document Effective Date	dei_DocumentEffectiveDate	May 18, 2015
Prospectus Date	rr_ProspectusDate	Jan. 28, 2015
Virtus Equity Trend Fund
Risk/Return:	rr_RiskReturnAbstract
Risk/Return [Heading]	rr_RiskReturnHeading	Virtus Equity Trend Fund
Expense Narrative [Text Block]	rr_ExpenseNarrativeTextBlock	The “Example” table in the summary prospectus and in the summary section of the statutory prospectus is hereby replaced with the following. This table reflects the effect of the management fee reduction previously disclosed.
Virtus Equity Trend Fund \| Class A
Risk/Return:	rr_RiskReturnAbstract
Trading Symbol	dei_TradingSymbol	VAPAX
1 Year	rr_ExpenseExampleYear01	720
3 Years	rr_ExpenseExampleYear03	1,025
5 Years	rr_ExpenseExampleYear05	1,351
10 Years	rr_ExpenseExampleYear10	2,273
1 Year	rr_ExpenseExampleNoRedemptionYear01	720
3 Years	rr_ExpenseExampleNoRedemptionYear03	1,025
5 Years	rr_ExpenseExampleNoRedemptionYear05	1,351
10 Years	rr_ExpenseExampleNoRedemptionYear10	2,273
Virtus Equity Trend Fund \| Class C
Risk/Return:	rr_RiskReturnAbstract
Trading Symbol	dei_TradingSymbol	VAPCX
1 Year	rr_ExpenseExampleYear01	329
3 Years	rr_ExpenseExampleYear03	706
5 Years	rr_ExpenseExampleYear05	1,210
10 Years	rr_ExpenseExampleYear10	2,595
1 Year	rr_ExpenseExampleNoRedemptionYear01	229
3 Years	rr_ExpenseExampleNoRedemptionYear03	706
5 Years	rr_ExpenseExampleNoRedemptionYear05	1,210
10 Years	rr_ExpenseExampleNoRedemptionYear10	2,595
Virtus Equity Trend Fund \| Class I
Risk/Return:	rr_RiskReturnAbstract
Trading Symbol	dei_TradingSymbol	VAPIX
1 Year	rr_ExpenseExampleYear01	128
3 Years	rr_ExpenseExampleYear03	400
5 Years	rr_ExpenseExampleYear05	692
10 Years	rr_ExpenseExampleYear10	1,523
1 Year	rr_ExpenseExampleNoRedemptionYear01	128
3 Years	rr_ExpenseExampleNoRedemptionYear03	400
5 Years	rr_ExpenseExampleNoRedemptionYear05	692
10 Years	rr_ExpenseExampleNoRedemptionYear10	1,523
Virtus Equity Trend Fund \| Class R6
Risk/Return:	rr_RiskReturnAbstract
Trading Symbol	dei_TradingSymbol	VRPAX
1 Year	rr_ExpenseExampleYear01	121
3 Years	rr_ExpenseExampleYear03	378
5 Years	rr_ExpenseExampleYear05	654
10 Years	rr_ExpenseExampleYear10	1,443
1 Year	rr_ExpenseExampleNoRedemptionYear01	121
3 Years	rr_ExpenseExampleNoRedemptionYear03	378
5 Years	rr_ExpenseExampleNoRedemptionYear05	654
10 Years	rr_ExpenseExampleNoRedemptionYear10	1,443

Label

Element

Value

Risk/Return:

rr_RiskReturnAbstract

Document Type

dei_DocumentType

497

Document Period End Date

dei_DocumentPeriodEndDate

Sep. 30, 2014

Registrant Name

dei_EntityRegistrantName

VIRTUS OPPORTUNITIES TRUST

Central Index Key

dei_EntityCentralIndexKey

0001005020

Amendment Flag

dei_AmendmentFlag

false

Trading Symbol

dei_TradingSymbol

VOT

Document Creation Date

dei_DocumentCreationDate

May 18, 2015

Document Effective Date

dei_DocumentEffectiveDate

May 18, 2015

Prospectus Date

rr_ProspectusDate

Jan. 28, 2015

Virtus Equity Trend Fund

Risk/Return:

rr_RiskReturnAbstract

Risk/Return [Heading]

rr_RiskReturnHeading

Virtus Equity Trend Fund

Expense Narrative [Text Block]

rr_ExpenseNarrativeTextBlock

The “Example” table in the summary prospectus and in the summary section of the statutory prospectus is hereby replaced with the following. This table reflects the effect of the management fee reduction previously disclosed.

Virtus Equity Trend Fund | Class A

Risk/Return:

rr_RiskReturnAbstract

Trading Symbol

dei_TradingSymbol

VAPAX

1 Year

rr_ExpenseExampleYear01

720

3 Years

rr_ExpenseExampleYear03

1,025