Shareholder Report |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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May 31, 2026
USD ($)
Holding
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| Shareholder Report [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Document Type | N-CSR | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Amendment Flag | false | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Registrant Name | Virtus Opportunities Trust | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Entity Central Index Key | 0001005020 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Entity Investment Company Type | N-1A | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Document Period End Date | May 31, 2026 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| C000234172 [Member] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Report [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fund Name | Virtus Stone Harbor Emerging Markets Bond Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Class Name | Class I | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Trading Symbol | SHCDX | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Virtus Stone Harbor Emerging Markets Bond Fund (“Fund”) for the period of June 1, 2025 to May 31, 2026. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | annual shareholder report | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.virtus.com/investor-resources/mutual-fund-documents. You can also request this information by contacting us at 1‑800‑243‑1574. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred from the beginning of the reporting period through the date of issuance of this report. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Information Phone Number | 1‑800‑243‑1574 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Information Website | https://www.virtus.com/investor-resources/mutual-fund-documents | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the last year? (Based on a hypothetical $10,000 investment)
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| Expenses Paid, Amount | $ 97 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Ratio, Percent | 0.93% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Factors Affecting Performance [Text Block] | What factors impacted Fund performance over the reporting period? Country exposures and issue selection contributed positively to performance relative to the J.P. Morgan CEMBI Broad Diversified Index (the "Index") for the 12 months ended May 31, 2026. Exposures in Asia contributed most to relative performance. In other regions, issue selection in Argentina and Colombia and overweights in Ghana and Ukraine enhanced performance. In terms of industry attribution, an underweight to and issue selection within financial/lease contributed, as did an overweight to and issue selection in exploration & production ("E&P"). Underweight exposures in higher-rated credits and overweight exposures in lower-quality credits contributed to relative performance for the period. Some of the positive performance attribution was offset by an overweight to Brazil and an underweight to Trinidad.
The preceding information is the opinion of portfolio management only through the end of the period stated. Any such opinions are subject to change at any time based upon market or other conditions and should not be relied upon as investment advice. Performance figures assume reinvestment of distributions and exclude the effect of sales charges. Performance data quoted represents past results. Past performance is no guarantee of future results, and there is no guarantee that market forecasts will be realized.
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| Performance Past Does Not Indicate Future [Text] | Performance data quoted represents past performance. Past performance does not guarantee future results. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph [Table Text Block] | How has the Fund historically performed? The following graph compares the initial and subsequent account values at the end of each of the most recently completed 10 fiscal years of Class I shares. It assumes a $100,000 initial investment at the beginning of the first fiscal year, in appropriate broad-based securities market and style-specific indexes for the same period. Performance assumes reinvestment of dividends and capital gain distributions. GROWTH OF $100,000
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| Average Annual Return [Table Text Block] |
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| No Deduction of Taxes [Text Block] | The above table and graph do not reflect the deduction of taxes that a shareholder would pay on fund distributions or the redemption of shares. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Material Change Date | Jan. 01, 2026 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Updated Performance Information Location [Text Block] | Please visit https://www.virtus.com/mutual-funds-monthly-performance for performance data current to the most recent month end. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net Assets | $ 6,966,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Holdings Count | Holding | 189 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Investment Company Portfolio Turnover | 51.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of May 31, 2026)
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| Holdings [Text Block] | Asset Allocation(1)
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| Material Fund Change [Text Block] | Material Fund Changes Effective January 1, 2026, a new expense limitation of 0.89% went into effect for Class I shares.
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| Material Fund Change Expenses [Text Block] | Effective January 1, 2026, a new expense limitation of 0.89% went into effect for Class I shares.
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| C000234173 [Member] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Report [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fund Name | Virtus Stone Harbor Emerging Markets Bond Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Class Name | Class A | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Trading Symbol | VSHAX | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Virtus Stone Harbor Emerging Markets Bond Fund (“Fund”) for the period of June 1, 2025 to May 31, 2026. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | annual shareholder report | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.virtus.com/investor-resources/mutual-fund-documents. You can also request this information by contacting us at 1‑800‑243‑1574. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Material Fund Change Notice [Text Block] | This report describes changes to the Fund that occurred from the beginning of the reporting period through the date of issuance of this report. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Information Phone Number | 1‑800‑243‑1574 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Information Website | https://www.virtus.com/investor-resources/mutual-fund-documents | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the last year? (Based on a hypothetical $10,000 investment)
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| Expenses Paid, Amount | $ 122 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Ratio, Percent | 1.17% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Factors Affecting Performance [Text Block] | What factors impacted Fund performance over the reporting period? Country exposures and issue selection contributed positively to performance relative to the J.P. Morgan CEMBI Broad Diversified Index (the "Index") for the 12 months ended May 31, 2026. Exposures in Asia contributed most to relative performance. In other regions, issue selection in Argentina and Colombia and overweights in Ghana and Ukraine enhanced performance. In terms of industry attribution, an underweight to and issue selection within financial/lease contributed, as did an overweight to and issue selection in exploration & production ("E&P"). Underweight exposures in higher-rated credits and overweight exposures in lower-quality credits contributed to relative performance for the period. Some of the positive performance attribution was offset by an overweight to Brazil and an underweight to Trinidad.
The preceding information is the opinion of portfolio management only through the end of the period stated. Any such opinions are subject to change at any time based upon market or other conditions and should not be relied upon as investment advice. Performance figures assume reinvestment of distributions and exclude the effect of sales charges. Performance data quoted represents past results. Past performance is no guarantee of future results, and there is no guarantee that market forecasts will be realized.
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| Performance Past Does Not Indicate Future [Text] | Past performance does not guarantee future results. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph [Table Text Block] | How has the Fund historically performed? The following graph compares the initial and subsequent account values at the end of each of the most recently completed fiscal years of Class A shares from inception (April 11, 2022) including any applicable sales charges or fees. It assumes a $10,000 initial investment from inception, in appropriate broad-based securities market and style-specific indexes for the same period. Performance assumes reinvestment of dividends and capital gain distributions. GROWTH OF $10,000 |
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| Average Annual Return [Table Text Block] |
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| Performance Inception Date | Apr. 11, 2022 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| No Deduction of Taxes [Text Block] | The above table and graph do not reflect the deduction of taxes that a shareholder would pay on fund distributions or the redemption of shares. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Material Change Date | Jan. 01, 2026 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Updated Performance Information Location [Text Block] | Please visit https://www.virtus.com/mutual-funds-monthly-performance for performance data current to the most recent month end. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net Assets | $ 6,966,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Holdings Count | Holding | 189 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Investment Company Portfolio Turnover | 51.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of May 31, 2026)
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| Holdings [Text Block] | Asset Allocation(1)
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| Material Fund Change [Text Block] | Material Fund Changes Effective January 1, 2026, a new expense limitation of 1.14% went into effect for Class A shares.
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| Material Fund Change Expenses [Text Block] | Effective January 1, 2026, a new expense limitation of 1.14% went into effect for Class A shares.
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| C000234177 [Member] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Report [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fund Name | Virtus Stone Harbor Emerging Markets Debt Income Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Class Name | Class A | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Trading Symbol | VSHCX | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Virtus Stone Harbor Emerging Markets Debt Income Fund (“Fund”) for the period of June 1, 2025 to May 31, 2026. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | annual shareholder report | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.virtus.com/investor-resources/mutual-fund-documents. You can also request this information by contacting us at 1‑800‑243‑1574. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Information Phone Number | 1‑800‑243‑1574 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Information Website | https://www.virtus.com/investor-resources/mutual-fund-documents | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the last year? (Based on a hypothetical $10,000 investment)
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| Expenses Paid, Amount | $ 108 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Ratio, Percent | 1.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Factors Affecting Performance [Text Block] | What factors impacted Fund performance over the reporting period? Country selection decisions were the largest contributor to performance relative to the J.P. Morgan EMBI Global Diversified Index (the "Index") for the 12 months ended May 31, 2026. Issue selection within hard currency-denominated debt was also a contributor. Hard currency bonds are debt securities issued in foreign currencies, typically U.S. dollars, rather than their local currency. Additionally, out of benchmark allocations to hard currency corporate debt in certain countries enhanced performance, while out of benchmark local currency exposure was a small detractor. Attribution from movements in U.S. Treasuries was negative during the period. In terms of regional performance, Latin America, namely an overweight and issue selection in Venezuela, was a considerable contributor to relative performance. In Europe, Middle East, and Africa, an underweight to and issue selection in Bahrain were large contributors to performance, as was an underweight to China in the Fund’s Asia allocation.
The preceding information is the opinion of portfolio management only through the end of the period stated. Any such opinions are subject to change at any time based upon market or other conditions and should not be relied upon as investment advice. Performance figures assume reinvestment of distributions and exclude the effect of sales charges. Performance data quoted represents past results. Past performance is no guarantee of future results, and there is no guarantee that market forecasts will be realized.
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| Performance Past Does Not Indicate Future [Text] | Past performance does not guarantee future results. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph [Table Text Block] | How has the Fund historically performed? The following graph compares the initial and subsequent account values at the end of each of the most recently completed fiscal years of Class A shares from inception (April 11, 2022) including any applicable sales charges or fees. It assumes a $10,000 initial investment from inception, in an appropriate broad-based securities market index and style-specific index for the same period. Performance assumes reinvestment of dividends and capital gain distributions. GROWTH OF $10,000 |
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| Average Annual Return [Table Text Block] |
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| Performance Inception Date | Apr. 11, 2022 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| No Deduction of Taxes [Text Block] | The above table and graph do not reflect the deduction of taxes that a shareholder would pay on fund distributions or the redemption of shares. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Updated Performance Information Location [Text Block] | Please visit https://www.virtus.com/mutual-funds-monthly-performance for performance data current to the most recent month end. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net Assets | $ 339,117,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Holdings Count | Holding | 330 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 1,060,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Investment Company Portfolio Turnover | 124.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of May 31, 2026)
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| Holdings [Text Block] | Asset Allocation(1)
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| C000234176 [Member] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Report [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fund Name | Virtus Stone Harbor Emerging Markets Debt Income Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Class Name | Class I | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Trading Symbol | SHMDX | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Virtus Stone Harbor Emerging Markets Debt Income Fund (“Fund”) for the period of June 1, 2025 to May 31, 2026. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | annual shareholder report | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.virtus.com/investor-resources/mutual-fund-documents. You can also request this information by contacting us at 1‑800‑243‑1574. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Information Phone Number | 1‑800‑243‑1574 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Information Website | https://www.virtus.com/investor-resources/mutual-fund-documents | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the last year? (Based on a hypothetical $10,000 investment)
|
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| Expenses Paid, Amount | $ 78 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Ratio, Percent | 0.72% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Factors Affecting Performance [Text Block] | What factors impacted Fund performance over the reporting period? Country selection decisions were the largest contributor to performance relative to the J.P. Morgan EMBI Global Diversified Index (the "Index") for the 12 months ended May 31, 2026. Issue selection within hard currency-denominated debt was also a contributor. Hard currency bonds are debt securities issued in foreign currencies, typically U.S. dollars, rather than their local currency. Additionally, out of benchmark allocations to hard currency corporate debt in certain countries enhanced performance, while out of benchmark local currency exposure was a small detractor. Attribution from movements in U.S. Treasuries was negative during the period. In terms of regional performance, Latin America, namely an overweight and issue selection in Venezuela, was a considerable contributor to relative performance. In Europe, Middle East, and Africa, an underweight to and issue selection in Bahrain were large contributors to performance, as was an underweight to China in the Fund’s Asia allocation.
The preceding information is the opinion of portfolio management only through the end of the period stated. Any such opinions are subject to change at any time based upon market or other conditions and should not be relied upon as investment advice. Performance figures assume reinvestment of distributions and exclude the effect of sales charges. Performance data quoted represents past results. Past performance is no guarantee of future results, and there is no guarantee that market forecasts will be realized.
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| Performance Past Does Not Indicate Future [Text] | Performance data quoted represents past performance. Past performance does not guarantee future results. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph [Table Text Block] | How has the Fund historically performed? The following graph compares the initial and subsequent account values at the end of each of the most recently completed 10 fiscal years of Class I shares. It assumes a $100,000 initial investment at the beginning of the first fiscal year, in an appropriate broad-based securities market index and style-specific index for the same period. Performance assumes reinvestment of dividends and capital gain distributions. GROWTH OF $100,000
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| Average Annual Return [Table Text Block] |
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| No Deduction of Taxes [Text Block] | The above table and graph do not reflect the deduction of taxes that a shareholder would pay on fund distributions or the redemption of shares. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Updated Performance Information Location [Text Block] | Please visit https://www.virtus.com/mutual-funds-monthly-performance for performance data current to the most recent month end. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net Assets | $ 339,117,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Holdings Count | Holding | 330 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 1,060,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Investment Company Portfolio Turnover | 124.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of May 31, 2026)
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| Holdings [Text Block] | Asset Allocation(1)
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| C000234180 [Member] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Report [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fund Name | Virtus Stone Harbor Local Markets Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Class Name | Class I | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Trading Symbol | SHLMX | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Virtus Stone Harbor Local Markets Fund (“Fund”) for the period of June 1, 2025 to May 31, 2026. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | annual shareholder report | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.virtus.com/investor-resources/mutual-fund-documents. You can also request this information by contacting us at 1‑800‑243‑1574. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Information Phone Number | 1‑800‑243‑1574 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Information Website | https://www.virtus.com/investor-resources/mutual-fund-documents | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the last year? (Based on a hypothetical $10,000 investment)
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| Expenses Paid, Amount | $ 107 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Ratio, Percent | 1.02% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Factors Affecting Performance [Text Block] | What factors impacted Fund performance over the reporting period? Foreign exchange ("FX") exposure (a measurement of currency risk) and duration positioning (a measurement of adjusting the portfolio’s sensitivity to changes in interest rates), as well as security selection and taxes, all contributed to performance relative to the J.P. Morgan GBI-EM Global Diversified Index (the "Index") for the 12 months ended May 31, 2026. In FX, overweights in the Hungarian forint and Brazilian real and underweights in the Indonesian rupiah and Thai baht all enhanced performance. An overweight exposure in the Egyptian pound and underweight in the Colombian peso detracted from performance. Within duration positioning we continued to emphasize countries with attractive real (after-inflation) yields that we believe have sufficient space to further ease policy interest rates. Overweights in South Africa and Mexico were the biggest contributors, while an overweight to Paraguay was a small detractor. Within the Fund’s underweight positions, Thailand was the notable outperformer, while India underperformed.
The preceding information is the opinion of portfolio management only through the end of the period stated. Any such opinions are subject to change at any time based upon market or other conditions and should not be relied upon as investment advice. Performance figures assume reinvestment of distributions and exclude the effect of sales charges. Performance data quoted represents past results. Past performance is no guarantee of future results, and there is no guarantee that market forecasts will be realized.
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| Performance Past Does Not Indicate Future [Text] | Performance data quoted represents past performance. Past performance does not guarantee future results. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph [Table Text Block] | How has the Fund historically performed? The following graph compares the initial and subsequent account values at the end of each of the most recently completed 10 fiscal years of Class I shares. It assumes a $100,000 initial investment at the beginning of the first fiscal year, in appropriate broad-based securities market and style-specific indexes for the same period. Performance assumes reinvestment of dividends and capital gain distributions. GROWTH OF $100,000
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| Average Annual Return [Table Text Block] |
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| No Deduction of Taxes [Text Block] | The above table and graph do not reflect the deduction of taxes that a shareholder would pay on fund distributions or the redemption of shares. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Updated Performance Information Location [Text Block] | Please visit https://www.virtus.com/mutual-funds-monthly-performance for performance data current to the most recent month end. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net Assets | $ 14,494,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Holdings Count | Holding | 54 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 34,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Investment Company Portfolio Turnover | 150.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of May 31, 2026)
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| Holdings [Text Block] | Asset Allocation(1)
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| C000234181 [Member] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Report [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Fund Name | Virtus Stone Harbor Local Markets Fund | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Class Name | Class A | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Trading Symbol | VSHEX | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about the Virtus Stone Harbor Local Markets Fund (“Fund”) for the period of June 1, 2025 to May 31, 2026. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | annual shareholder report | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.virtus.com/investor-resources/mutual-fund-documents. You can also request this information by contacting us at 1‑800‑243‑1574. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Information Phone Number | 1‑800‑243‑1574 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Information Website | https://www.virtus.com/investor-resources/mutual-fund-documents | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expenses [Text Block] | What were the Fund costs for the last year? (Based on a hypothetical $10,000 investment)
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| Expenses Paid, Amount | $ 134 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Expense Ratio, Percent | 1.27% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Factors Affecting Performance [Text Block] | What factors impacted Fund performance over the reporting period? Foreign exchange ("FX") exposure (a measurement of currency risk) and duration positioning (a measurement of adjusting the portfolio’s sensitivity to changes in interest rates), as well as security selection and taxes, all contributed to performance relative to the J.P. Morgan GBI-EM Global Diversified Index (the "Index") for the 12 months ended May 31, 2026. In FX, overweights in the Hungarian forint and Brazilian real and underweights in the Indonesian rupiah and Thai baht all enhanced performance. An overweight exposure in the Egyptian pound and underweight in the Colombian peso detracted from performance. Within duration positioning we continued to emphasize countries with attractive real (after-inflation) yields that we believe have sufficient space to further ease policy interest rates. Overweights in South Africa and Mexico were the biggest contributors, while an overweight to Paraguay was a small detractor. Within the Fund’s underweight positions, Thailand was the notable outperformer, while India underperformed.
The preceding information is the opinion of portfolio management only through the end of the period stated. Any such opinions are subject to change at any time based upon market or other conditions and should not be relied upon as investment advice. Performance figures assume reinvestment of distributions and exclude the effect of sales charges. Performance data quoted represents past results. Past performance is no guarantee of future results, and there is no guarantee that market forecasts will be realized.
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| Performance Past Does Not Indicate Future [Text] | Past performance does not guarantee future results. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line Graph [Table Text Block] | How has the Fund historically performed? The following graph compares the initial and subsequent account values at the end of each of the most recently completed fiscal years of Class A shares from inception (April 11, 2022) including any applicable sales charges or fees. It assumes a $10,000 initial investment from inception, in appropriate broad-based securities market and style-specific indexes for the same period. Performance assumes reinvestment of dividends and capital gain distributions. GROWTH OF $10,000 |
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| Average Annual Return [Table Text Block] |
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| Performance Inception Date | Apr. 11, 2022 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| No Deduction of Taxes [Text Block] | The above table and graph do not reflect the deduction of taxes that a shareholder would pay on fund distributions or the redemption of shares. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Updated Performance Information Location [Text Block] | Please visit https://www.virtus.com/mutual-funds-monthly-performance for performance data current to the most recent month end. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net Assets | $ 14,494,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Holdings Count | Holding | 54 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 34,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Investment Company Portfolio Turnover | 150.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Fund Statistics [Text Block] | KEY FUND STATISTICS (as of May 31, 2026)
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| Holdings [Text Block] | Asset Allocation(1)
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