v3.26.1
Shareholder Report
 6 Months Ended
Mar. 31, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Virtus Strategy Trust
Entity Central Index Key 0001423227
Entity Investment Company Type N-1A
Document Period End Date Mar. 31, 2026
C000066034 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Duff & Phelps Water Fund
Class Name Institutional Class
Trading Symbol AWTIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Duff & Phelps Water Fund (“Fund”) for the period of October 1, 2025 to March 31, 2026.
Shareholder Report Annual or Semi-Annual semi-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 six months?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Virtus Duff & Phelps Water Fund
Institutional Class / AWTIX		 $46 0.93%
Expenses Paid, Amount $ 46
Expense Ratio, Percent 0.93%
Net Assets $ 511,802,000
Holdings Count | Holding 36
Investment Company Portfolio Turnover 12.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $511,802
Total number of portfolio holdings 36
Portfolio turnover rate as of the end of the reporting period 12%
Holdings [Text Block]
Asset Allocation(1)
Water Utilities 36 %
Machinery 23
Commercial Services & Supplies 13
Building Products 8
Trading Companies & Distributors 5
Chemicals 4
Construction & Engineering 4
Multi-Utilities 3
Electronic Equipment, Instruments & Components 2
Life Sciences Tools & Services 2
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000061367 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Duff & Phelps Water Fund
Class Name Class C
Trading Symbol AWTCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Duff & Phelps Water Fund (“Fund”) for the period of October 1, 2025 to March 31, 2026.
Shareholder Report Annual or Semi-Annual semi-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 six months?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Virtus Duff & Phelps Water Fund
Class C / AWTCX		 $97 1.97%
Expenses Paid, Amount $ 97
Expense Ratio, Percent 1.97%
Net Assets $ 511,802,000
Holdings Count | Holding 36
Investment Company Portfolio Turnover 12.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $511,802
Total number of portfolio holdings 36
Portfolio turnover rate as of the end of the reporting period 12%
Holdings [Text Block]
Asset Allocation(1)
Water Utilities 36 %
Machinery 23
Commercial Services & Supplies 13
Building Products 8
Trading Companies & Distributors 5
Chemicals 4
Construction & Engineering 4
Multi-Utilities 3
Electronic Equipment, Instruments & Components 2
Life Sciences Tools & Services 2
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000061366 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Duff & Phelps Water Fund
Class Name Class A
Trading Symbol AWTAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Duff & Phelps Water Fund (“Fund”) for the period of October 1, 2025 to March 31, 2026.
Shareholder Report Annual or Semi-Annual semi-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 six months?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Virtus Duff & Phelps Water Fund
Class A / AWTAX		 $60 1.22%
Expenses Paid, Amount $ 60
Expense Ratio, Percent 1.22%
Net Assets $ 511,802,000
Holdings Count | Holding 36
Investment Company Portfolio Turnover 12.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $511,802
Total number of portfolio holdings 36
Portfolio turnover rate as of the end of the reporting period 12%
Holdings [Text Block]
Asset Allocation(1)
Water Utilities 36 %
Machinery 23
Commercial Services & Supplies 13
Building Products 8
Trading Companies & Distributors 5
Chemicals 4
Construction & Engineering 4
Multi-Utilities 3
Electronic Equipment, Instruments & Components 2
Life Sciences Tools & Services 2
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000075799 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Global Allocation Fund
Class Name Class A
Trading Symbol PALAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Global Allocation Fund (“Fund”) for the period of October 1, 2025 to March 31, 2026.
Shareholder Report Annual or Semi-Annual semi-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 six months?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Virtus Global Allocation Fund
Class A / PALAX		 $26 0.52%
Expenses Paid, Amount $ 26
Expense Ratio, Percent 0.52%
Net Assets $ 146,646,000
Holdings Count | Holding 297
Investment Company Portfolio Turnover 49.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $146,646
Total number of portfolio holdings 297
Portfolio turnover rate as of the end of the reporting period 49%
Holdings [Text Block]
Asset Allocation(1)
Affiliated Mutual Funds 50 %
Affiliated Exchange-Traded Funds 25
Common Stocks 17
Banks 3
Insurance 2
Marine Transportation 1
All other Common Stocks 11
Equity-Linked Notes 4
Financial Services 3
Banks 1
Convertible Bonds and Notes 3
Computers 1
Software 1
Financial Services 1
Convertible Preferred Stocks 1
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000075797 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Global Allocation Fund
Class Name Institutional Class
Trading Symbol PALLX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Global Allocation Fund (“Fund”) for the period of October 1, 2025 to March 31, 2026.
Shareholder Report Annual or Semi-Annual semi-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 six months?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Virtus Global Allocation Fund
Institutional Class / PALLX		 $15 0.29%
Expenses Paid, Amount $ 15
Expense Ratio, Percent 0.29%
Net Assets $ 146,646,000
Holdings Count | Holding 297
Investment Company Portfolio Turnover 49.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $146,646
Total number of portfolio holdings 297
Portfolio turnover rate as of the end of the reporting period 49%
Holdings [Text Block]
Asset Allocation(1)
Affiliated Mutual Funds 50 %
Affiliated Exchange-Traded Funds 25
Common Stocks 17
Banks 3
Insurance 2
Marine Transportation 1
All other Common Stocks 11
Equity-Linked Notes 4
Financial Services 3
Banks 1
Convertible Bonds and Notes 3
Computers 1
Software 1
Financial Services 1
Convertible Preferred Stocks 1
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000160541 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Global Allocation Fund
Class Name Class R6
Trading Symbol AGASX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Global Allocation Fund (“Fund”) for the period of October 1, 2025 to March 31, 2026.
Shareholder Report Annual or Semi-Annual semi-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 six months?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Virtus Global Allocation Fund
Class R6 / AGASX		 $11 0.22%
Expenses Paid, Amount $ 11
Expense Ratio, Percent 0.22%
Net Assets $ 146,646,000
Holdings Count | Holding 297
Investment Company Portfolio Turnover 49.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $146,646
Total number of portfolio holdings 297
Portfolio turnover rate as of the end of the reporting period 49%
Holdings [Text Block]
Asset Allocation(1)
Affiliated Mutual Funds 50 %
Affiliated Exchange-Traded Funds 25
Common Stocks 17
Banks 3
Insurance 2
Marine Transportation 1
All other Common Stocks 11
Equity-Linked Notes 4
Financial Services 3
Banks 1
Convertible Bonds and Notes 3
Computers 1
Software 1
Financial Services 1
Convertible Preferred Stocks 1
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000235255 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Convertible Fund
Class Name Class R6
Trading Symbol VAADX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Convertible Fund (“Fund”) for the period of October 1, 2025 to March 31, 2026.
Shareholder Report Annual or Semi-Annual semi-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 six months?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Virtus Convertible Fund
Class R6 / VAADX		 $32 0.62%
Expenses Paid, Amount $ 32
Expense Ratio, Percent 0.62%
Net Assets $ 1,455,352,000
Holdings Count | Holding 103
Investment Company Portfolio Turnover 67.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $1,455,352
Total number of portfolio holdings 103
Portfolio turnover rate as of the end of the reporting period 67%
Holdings [Text Block]
Asset Allocation(1)
Convertible Bonds and Notes 84 %
Computers 12
Software 10
Electric Utilities 7
All other Convertible Bonds and Notes 55
Convertible Preferred Stocks 13
Short-Term Investment 3
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000086661 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Convertible Fund
Class Name Institutional Class
Trading Symbol ANNPX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Convertible Fund (“Fund”) for the period of October 1, 2025 to March 31, 2026.
Shareholder Report Annual or Semi-Annual semi-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 six months?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Virtus Convertible Fund
Institutional Class / ANNPX		 $36 0.71%
Expenses Paid, Amount $ 36
Expense Ratio, Percent 0.71%
Net Assets $ 1,455,352,000
Holdings Count | Holding 103
Investment Company Portfolio Turnover 67.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $1,455,352
Total number of portfolio holdings 103
Portfolio turnover rate as of the end of the reporting period 67%
Holdings [Text Block]
Asset Allocation(1)
Convertible Bonds and Notes 84 %
Computers 12
Software 10
Electric Utilities 7
All other Convertible Bonds and Notes 55
Convertible Preferred Stocks 13
Short-Term Investment 3
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000086659 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Convertible Fund
Class Name Class C
Trading Symbol ANZCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Convertible Fund (“Fund”) for the period of October 1, 2025 to March 31, 2026.
Shareholder Report Annual or Semi-Annual semi-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 six months?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Virtus Convertible Fund
Class C / ANZCX		 $88 1.73%
Expenses Paid, Amount $ 88
Expense Ratio, Percent 1.73%
Net Assets $ 1,455,352,000
Holdings Count | Holding 103
Investment Company Portfolio Turnover 67.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $1,455,352
Total number of portfolio holdings 103
Portfolio turnover rate as of the end of the reporting period 67%
Holdings [Text Block]
Asset Allocation(1)
Convertible Bonds and Notes 84 %
Computers 12
Software 10
Electric Utilities 7
All other Convertible Bonds and Notes 55
Convertible Preferred Stocks 13
Short-Term Investment 3
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000086658 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Convertible Fund
Class Name Class A
Trading Symbol ANZAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Convertible Fund (“Fund”) for the period of October 1, 2025 to March 31, 2026.
Shareholder Report Annual or Semi-Annual semi-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 six months?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Virtus Convertible Fund
Class A / ANZAX		 $49 0.96%
Expenses Paid, Amount $ 49
Expense Ratio, Percent 0.96%
Net Assets $ 1,455,352,000
Holdings Count | Holding 103
Investment Company Portfolio Turnover 67.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $1,455,352
Total number of portfolio holdings 103
Portfolio turnover rate as of the end of the reporting period 67%
Holdings [Text Block]
Asset Allocation(1)
Convertible Bonds and Notes 84 %
Computers 12
Software 10
Electric Utilities 7
All other Convertible Bonds and Notes 55
Convertible Preferred Stocks 13
Short-Term Investment 3
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000086672 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus International Small-Cap Fund
Class Name Class A
Trading Symbol AOPAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus International Small-Cap Fund (“Fund”) for the period of October 1, 2025 to March 31, 2026.
Shareholder Report Annual or Semi-Annual semi-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 six months?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Virtus International Small-Cap Fund
Class A / AOPAX		 $67 1.26%
Expenses Paid, Amount $ 67
Expense Ratio, Percent 1.26%
Net Assets $ 59,476,000
Holdings Count | Holding 132
Investment Company Portfolio Turnover 27.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $59,476
Total number of portfolio holdings 132
Portfolio turnover rate as of the end of the reporting period 27%
Holdings [Text Block]
Asset Allocation(1)
Metals & Mining 10 %
Oil, Gas & Consumable Fuels 9
Banks 8
Semiconductors & Semiconductor Equipment 7
Chemicals 6
Construction & Engineering 5
Insurance 4
Trading Companies & Distributors 4
Commercial Services & Supplies 4
Food Products 3
Other (includes short-term investment) 40
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000086675 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus International Small-Cap Fund
Class Name Institutional Class
Trading Symbol ALOIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus International Small-Cap Fund (“Fund”) for the period of October 1, 2025 to March 31, 2026.
Shareholder Report Annual or Semi-Annual semi-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 six months?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Virtus International Small-Cap Fund
Institutional Class / ALOIX		 $55 1.05%
Expenses Paid, Amount $ 55
Expense Ratio, Percent 1.05%
Net Assets $ 59,476,000
Holdings Count | Holding 132
Investment Company Portfolio Turnover 27.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $59,476
Total number of portfolio holdings 132
Portfolio turnover rate as of the end of the reporting period 27%
Holdings [Text Block]
Asset Allocation(1)
Metals & Mining 10 %
Oil, Gas & Consumable Fuels 9
Banks 8
Semiconductors & Semiconductor Equipment 7
Chemicals 6
Construction & Engineering 5
Insurance 4
Trading Companies & Distributors 4
Commercial Services & Supplies 4
Food Products 3
Other (includes short-term investment) 40
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000165874 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus International Small-Cap Fund
Class Name Class R6
Trading Symbol AIISX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus International Small-Cap Fund (“Fund”) for the period of October 1, 2025 to March 31, 2026.
Shareholder Report Annual or Semi-Annual semi-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 six months?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Virtus International Small-Cap Fund
Class R6 / AIISX		 $53 1.01%
Expenses Paid, Amount $ 53
Expense Ratio, Percent 1.01%
Net Assets $ 59,476,000
Holdings Count | Holding 132
Investment Company Portfolio Turnover 27.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $59,476
Total number of portfolio holdings 132
Portfolio turnover rate as of the end of the reporting period 27%
Holdings [Text Block]
Asset Allocation(1)
Metals & Mining 10 %
Oil, Gas & Consumable Fuels 9
Banks 8
Semiconductors & Semiconductor Equipment 7
Chemicals 6
Construction & Engineering 5
Insurance 4
Trading Companies & Distributors 4
Commercial Services & Supplies 4
Food Products 3
Other (includes short-term investment) 40
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000177646 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Short Duration High Income Fund
Class Name Class R6
Trading Symbol ASHSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Short Duration High Income Fund (“Fund”) for the period of October 1, 2025 to March 31, 2026.
Shareholder Report Annual or Semi-Annual semi-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 six months?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Virtus Newfleet Short Duration High Income Fund
Class R6 / ASHSX		 $28 0.55%
Expenses Paid, Amount $ 28
Expense Ratio, Percent 0.55%
Net Assets $ 684,476,000
Holdings Count | Holding 210
Investment Company Portfolio Turnover 22.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $684,476
Total number of portfolio holdings 210
Portfolio turnover rate as of the end of the reporting period 22%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 90 %
Financials 25
Energy 14
Communication Services 9
All other Corporate Bonds and Notes 42
Leveraged Loans 9
Other 1
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000103878 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Short Duration High Income Fund
Class Name Institutional Class
Trading Symbol ASHIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Short Duration High Income Fund (“Fund”) for the period of October 1, 2025 to March 31, 2026.
Shareholder Report Annual or Semi-Annual semi-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 six months?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Virtus Newfleet Short Duration High Income Fund
Institutional Class / ASHIX		 $30 0.60%
Expenses Paid, Amount $ 30
Expense Ratio, Percent 0.60%
Net Assets $ 684,476,000
Holdings Count | Holding 210
Investment Company Portfolio Turnover 22.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $684,476
Total number of portfolio holdings 210
Portfolio turnover rate as of the end of the reporting period 22%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 90 %
Financials 25
Energy 14
Communication Services 9
All other Corporate Bonds and Notes 42
Leveraged Loans 9
Other 1
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000103877 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Short Duration High Income Fund
Class Name Class C
Trading Symbol ASHCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Short Duration High Income Fund (“Fund”) for the period of October 1, 2025 to March 31, 2026.
Shareholder Report Annual or Semi-Annual semi-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 six months?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Virtus Newfleet Short Duration High Income Fund
Class C / ASHCX		 $56 1.11%
Expenses Paid, Amount $ 56
Expense Ratio, Percent 1.11%
Net Assets $ 684,476,000
Holdings Count | Holding 210
Investment Company Portfolio Turnover 22.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $684,476
Total number of portfolio holdings 210
Portfolio turnover rate as of the end of the reporting period 22%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 90 %
Financials 25
Energy 14
Communication Services 9
All other Corporate Bonds and Notes 42
Leveraged Loans 9
Other 1
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000103876 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Short Duration High Income Fund
Class Name Class A
Trading Symbol ASHAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Short Duration High Income Fund (“Fund”) for the period of October 1, 2025 to March 31, 2026.
Shareholder Report Annual or Semi-Annual semi-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 six months?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Virtus Newfleet Short Duration High Income Fund
Class A / ASHAX		 $43 0.86%
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.86%
Net Assets $ 684,476,000
Holdings Count | Holding 210
Investment Company Portfolio Turnover 22.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $684,476
Total number of portfolio holdings 210
Portfolio turnover rate as of the end of the reporting period 22%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 90 %
Financials 25
Energy 14
Communication Services 9
All other Corporate Bonds and Notes 42
Leveraged Loans 9
Other 1
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000118783 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus NFJ Emerging Markets Value Fund
Class Name Class A
Trading Symbol AZMAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus NFJ Emerging Markets Value Fund (“Fund”) for the period of October 1, 2025 to March 31, 2026.
Shareholder Report Annual or Semi-Annual semi-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 six months?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Virtus NFJ Emerging Markets Value Fund
Class A / AZMAX		 $57 1.14%
Expenses Paid, Amount $ 57
Expense Ratio, Percent 1.14%
Net Assets $ 14,668,000
Holdings Count | Holding 99
Investment Company Portfolio Turnover 46.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $14,668
Total number of portfolio holdings 99
Portfolio turnover rate as of the end of the reporting period 46%
Holdings [Text Block]
Asset Allocation(1)
Information Technology 35 %
Consumer Discretionary 17
Materials 13
Financials 11
Health Care 7
Industrials 6
Communication Services 5
Other 6
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000118780 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus NFJ Emerging Markets Value Fund
Class Name Institutional Class
Trading Symbol AZMIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus NFJ Emerging Markets Value Fund (“Fund”) for the period of October 1, 2025 to March 31, 2026.
Shareholder Report Annual or Semi-Annual semi-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 six months?
(Based on a hypothetical $10,000 investment)
Fund (Class) Costs of a $10,000 investment Costs paid as a percentage of a $10,000 investment
Virtus NFJ Emerging Markets Value Fund
Institutional Class / AZMIX		 $45 0.89%
Expenses Paid, Amount $ 45
Expense Ratio, Percent 0.89%
Net Assets $ 14,668,000
Holdings Count | Holding 99
Investment Company Portfolio Turnover 46.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $14,668
Total number of portfolio holdings 99
Portfolio turnover rate as of the end of the reporting period 46%
Holdings [Text Block]
Asset Allocation(1)
Information Technology 35 %
Consumer Discretionary 17
Materials 13
Financials 11
Health Care 7
Industrials 6
Communication Services 5
Other 6
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.