The tables below illustrate the fees and expenses that you may pay if you buy, hold and sell shares of the fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. You may qualify for sales charge discounts in Class A Shares if you and your family invest, or agree to invest in the future, at least $50,000 in Virtus Funds. More information on these and other discounts is available: (i) from your financial professional or other financial intermediary; (ii) under “Sales Charges” on page 26 of the fund’s prospectus; and (iii) with respect to purchase of shares through specific intermediaries, in Appendix A to the fund’s prospectus, entitled “Intermediary Sales Charge Discounts and Waivers.”

The Virtus Stone Harbor Emerging Markets Bond Fund, a series of Virtus Opportunities Trust, is the successor of the Stone Harbor Emerging Markets Corporate Debt Fund, formerly a series of Stone Harbor Investment Funds (“Predecessor Fund”), resulting from a reorganization of the Predecessor Fund with and into the fund on April 8, 2022.

Expense Breakpoint, Minimum Investment Required [Amount]

$ 50,000

Shareholder Fees [Table]

Shareholder Fees - Virtus Stone Harbor Emerging Markets Bond Fund	Class A Shares	Class I Shares
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	3.75%	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%	0.00%

Annual Fund Operating Expenses [Table]

Annual Fund Operating Expenses - Virtus Stone Harbor Emerging Markets Bond Fund		Class A Shares	Class I Shares
Management Fees (as a percentage of Assets)		0.85%	0.85%
Distribution and Service (12b-1) Fees		0.25%	0.00%
Other Expenses (as a percentage of Assets):		1.85%	1.74%
Expenses (as a percentage of Assets)		2.95%	2.59%
Fee Waiver or Reimbursement	^[1]	(1.75%)	(1.64%)
Net Expenses (as a percentage of Assets)	^[1]	1.20%	0.95%

[1]

The fund’s investment adviser has contractually agreed to limit the fund’s total operating expenses (excluding certain expenses, such as front-end or contingent deferred sales charges, taxes, leverage and borrowing expenses (such as commitment, amendment and renewal expenses on credit or redemption facilities), interest, brokerage commissions, expenses incurred in connection with any merger or reorganization, unusual or infrequently occurring expenses (such as litigation), acquired fund fees and expenses, and dividend expenses, if any) so that such expenses do not exceed 1.20% for Class A Shares and 0.95% for Class I Shares through September 30, 2026. Prior to September 30, 2026, only the fund’s Board may modify or terminate the expense limitation agreement. Following the contractual period, the adviser may discontinue these expense reimbursement arrangements at any time. Under certain conditions, the adviser may recapture operating expenses reimbursed and/or fees waived under these arrangements for a period of three years following the date such waiver or reimbursement occurred, provided that the recapture does not cause the fund to exceed its expense limit in effect at the time of the waiver or reimbursement, and any in effect at the time of recapture, after repayment is taken into account.

Expense Example Narrative [Text Block]

This example is intended to help you compare the cost of investing in the fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the fund for the time periods indicated and then redeem all of your shares at the end of those periods or continued to hold them. The example also assumes that your investment has a 5% return each year, that the fund’s operating expenses remain the same and that the expense reimbursement agreement remains in place for the contractual period. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example, With Redemption [Table]

Expense Example - Virtus Stone Harbor Emerging Markets Bond Fund - USD ($)	Class A Shares	Class I Shares
Expense Example, with Redemption, 1 Year	$ 493	$ 97
Expense Example, with Redemption, 3 Years	1,094	649
Expense Example, with Redemption, 5 Years	1,721	1,228
Expense Example, with Redemption, 10 Years	$ 3,403	$ 2,802

Portfolio Turnover [Heading]

Portfolio Turnover

Portfolio Turnover, Rate

56.00%

Prospectus [Line Items]

Expense Narrative [Text Block]

The tables below illustrate the fees and expenses that you may pay if you buy, hold and sell shares of the fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. You may qualify for sales charge discounts in Class A Shares if you and your family invest, or agree to invest in the future, at least $50,000 in Virtus Funds. More information on these and other discounts is available: (i) from your financial professional or other financial intermediary; (ii) under “Sales Charges” on page 26 of the fund’s prospectus; and (iii) with respect to purchase of shares through specific intermediaries, in Appendix A to the fund’s prospectus, entitled “Intermediary Sales Charge Discounts and Waivers.”

The Virtus Stone Harbor Emerging Markets Debt Income Fund, a series of Virtus Opportunities Trust, is the successor of the Stone Harbor Emerging Markets Debt Fund, formerly a series of Stone Harbor Investment Funds (“Predecessor Fund”), resulting from a reorganization of the Predecessor Fund with and into the fund on April 8, 2022.

Expense Breakpoint, Minimum Investment Required [Amount]

$ 50,000

Shareholder Fees [Table]

Shareholder Fees - Virtus Stone Harbor Emerging Markets Debt Income Fund	Class A Shares	Class I Shares
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	3.75%	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%	0.00%

Annual Fund Operating Expenses [Table]

Annual Fund Operating Expenses - Virtus Stone Harbor Emerging Markets Debt Income Fund		Class A Shares	Class I Shares
Management Fees (as a percentage of Assets)		0.60%	0.60%
Distribution and Service (12b-1) Fees		0.25%	0.00%
Other Expenses (as a percentage of Assets):		0.29%	0.31%
Acquired Fund Fees and Expenses		0.02%	0.02%
Expenses (as a percentage of Assets)	^[1]	1.16%	0.93%
Fee Waiver or Reimbursement	^[2]	(0.14%)	(0.19%)
Net Expenses (as a percentage of Assets)	^[1],[2]	1.02%	0.74%

[1]

The Total Annual Fund Operating Expenses do not correlate to the ratio of expenses to average net assets appearing in the Financial Highlights tables, which tables reflect only the operating expenses of the fund and do not include acquired fund fees and expenses.

[2]

The fund’s investment adviser has contractually agreed to limit the fund’s total operating expenses (excluding certain expenses, such as front-end or contingent deferred sales charges, taxes, leverage and borrowing expenses (such as commitment, amendment and renewal expenses on credit or redemption facilities), interest, brokerage commissions, expenses incurred in connection with any merger or reorganization, unusual or infrequently occurring expenses (such as litigation), acquired fund fees and expenses, and dividend expenses, if any) so that such expenses do not exceed 1.00% for Class A Shares and 0.72% for Class I Shares through September 30, 2026. Prior to September 30, 2026, only the fund’s Board may modify or terminate the expense limitation agreement. Following the contractual period, the adviser may discontinue these expense reimbursement arrangements at any time. Under certain conditions, the adviser may recapture operating expenses reimbursed and/or fees waived under these arrangements for a period of three years following the date such waiver or reimbursement occurred, provided that the recapture does not cause the fund to exceed its expense limit in effect at the time of the waiver or reimbursement, and any in effect at the time of recapture, after repayment is taken into account.

Expense Example Narrative [Text Block]

This example is intended to help you compare the cost of investing in the fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the fund for the time periods indicated and then redeem all of your shares at the end of those periods or continued to hold them. The example also assumes that your investment has a 5% return each year, that the fund’s operating expenses remain the same and that the expense reimbursement agreement remains in place for the contractual period. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example, With Redemption [Table]

Expense Example - Virtus Stone Harbor Emerging Markets Debt Income Fund - USD ($)	Class A Shares	Class I Shares
Expense Example, with Redemption, 1 Year	$ 475	$ 76
Expense Example, with Redemption, 3 Years	716	277
Expense Example, with Redemption, 5 Years	976	496
Expense Example, with Redemption, 10 Years	$ 1,719	$ 1,126

Portfolio Turnover [Heading]

Portfolio Turnover

Portfolio Turnover, Rate

143.00%

Prospectus [Line Items]

Expense Narrative [Text Block]

The tables below illustrate the fees and expenses that you may pay if you buy, hold and sell shares of the fund. You may pay other fees, such as brokerage commissions and other fees to financial intermediaries, which are not reflected in the tables and examples below. You may qualify for sales charge discounts in Class A Shares if you and your family invest, or agree to invest in the future, at least $50,000 in Virtus Funds. More information on these and other discounts is available: (i) from your financial professional or other financial intermediary; (ii) under “Sales Charges” on page 26 of the fund’s prospectus; and (iii) with respect to purchase of shares through specific intermediaries, in Appendix A to the fund’s prospectus, entitled “Intermediary Sales Charge Discounts and Waivers.”

The Virtus Stone Harbor Local Markets Fund, a series of Virtus Opportunities Trust, is the successor of the Stone Harbor Local Markets Fund, formerly a series of Stone Harbor Investment Funds (“Predecessor Fund”), resulting from a reorganization of the Predecessor Fund with and into the fund on April 8, 2022.

Expense Breakpoint, Minimum Investment Required [Amount]

$ 50,000

Shareholder Fees [Table]

Shareholder Fees - Virtus Stone Harbor Local Markets Fund	Class A Shares	Class I Shares
Maximum Sales Charge Imposed on Purchases (as a percentage of Offering Price)	3.75%	0.00%
Maximum Deferred Sales Charge (as a percentage of Offering Price)	0.00%	0.00%

Annual Fund Operating Expenses [Table]

Annual Fund Operating Expenses - Virtus Stone Harbor Local Markets Fund		Class A Shares	Class I Shares
Management Fees (as a percentage of Assets)		0.75%	0.75%
Distribution and Service (12b-1) Fees		0.25%	0.00%
Other Expenses (as a percentage of Assets):		1.42%	1.40%
Expenses (as a percentage of Assets)		2.42%	2.15%
Fee Waiver or Reimbursement	^[1]	(1.17%)	(1.15%)
Net Expenses (as a percentage of Assets)	^[1]	1.25%	1.00%

[1]

The fund’s investment adviser has contractually agreed to limit the fund’s total operating expenses (excluding certain expenses, such as front-end or contingent deferred sales charges, taxes, leverage and borrowing expenses (such as commitment, amendment and renewal expenses on credit or redemption facilities), interest, brokerage commissions, expenses incurred in connection with any merger or reorganization, unusual or infrequently occurring expenses (such as litigation), acquired fund fees and expenses, and dividend expenses, if any) so that such expenses do not exceed 1.25% for Class A Shares and 1.00% for Class I Shares through September 30, 2026. Prior to September 30, 2026, only the fund’s Board may modify or terminate the expense limitation agreement. Following the contractual period, the adviser may discontinue these expense reimbursement arrangements at any time. Under certain conditions, the adviser may recapture operating expenses reimbursed and/or fees waived under these arrangements for a period of three years following the date such waiver or reimbursement occurred, provided that the recapture does not cause the fund to exceed its expense limit in effect at the time of the waiver or reimbursement, and any in effect at the time of recapture, after repayment is taken into account.

Expense Example Narrative [Text Block]

This example is intended to help you compare the cost of investing in the fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the fund for the time periods indicated and then redeem all of your shares at the end of those periods or continued to hold them. The example also assumes that your investment has a 5% return each year, that the fund’s operating expenses remain the same and that the expense reimbursement agreement remains in place for the contractual period. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example, With Redemption [Table]

Expense Example - Virtus Stone Harbor Local Markets Fund - USD ($)	Class A Shares	Class I Shares
Expense Example, with Redemption, 1 Year	$ 498	$ 102
Expense Example, with Redemption, 3 Years	993	562
Expense Example, with Redemption, 5 Years	1,515	1,049
Expense Example, with Redemption, 10 Years	$ 2,942	$ 2,392

Portfolio Turnover [Heading]

Portfolio Turnover

Portfolio Turnover, Rate

78.00%