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 Opportunities Trust
Entity Central Index Key 0001005020
Entity Investment Company Type N-1A
Document Period End Date Mar. 31, 2026
C000176707 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Core Plus Bond Fund
Class Name Class R6
Trading Symbol VBFRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Core Plus Bond 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 Core Plus Bond Fund
Class R6 / VBFRX		 $18 0.35%
Expenses Paid, Amount $ 18
Expense Ratio, Percent 0.35%
Net Assets $ 626,584,000
Holdings Count | Holding 742
Investment Company Portfolio Turnover 14.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $626,584
Total number of portfolio holdings 742
Portfolio turnover rate as of the end of the reporting period 14%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 34 %
Financials 15
Energy 4
Industrials 3
All other Corporate Bonds and Notes 12
Mortgage-Backed Securities 29
U.S. Government Securities 15
Asset-Backed Securities 10
Leveraged Loans 4
Short-Term Investment 4
Foreign Government Securities 3
Other 1
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000003575 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Core Plus Bond Fund
Class Name Class I
Trading Symbol SAVYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Core Plus Bond 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 Core Plus Bond Fund
Class I / SAVYX		 $23 0.45%
Expenses Paid, Amount $ 23
Expense Ratio, Percent 0.45%
Net Assets $ 626,584,000
Holdings Count | Holding 742
Investment Company Portfolio Turnover 14.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $626,584
Total number of portfolio holdings 742
Portfolio turnover rate as of the end of the reporting period 14%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 34 %
Financials 15
Energy 4
Industrials 3
All other Corporate Bonds and Notes 12
Mortgage-Backed Securities 29
U.S. Government Securities 15
Asset-Backed Securities 10
Leveraged Loans 4
Short-Term Investment 4
Foreign Government Securities 3
Other 1
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000003574 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Core Plus Bond Fund
Class Name Class C
Trading Symbol SAVCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Core Plus Bond 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.
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 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 Core Plus Bond Fund
Class C / SAVCX		 $72 1.45%
Expenses Paid, Amount $ 72
Expense Ratio, Percent 1.45%
Net Assets $ 626,584,000
Holdings Count | Holding 742
Investment Company Portfolio Turnover 14.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $626,584
Total number of portfolio holdings 742
Portfolio turnover rate as of the end of the reporting period 14%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 34 %
Financials 15
Energy 4
Industrials 3
All other Corporate Bonds and Notes 12
Mortgage-Backed Securities 29
U.S. Government Securities 15
Asset-Backed Securities 10
Leveraged Loans 4
Short-Term Investment 4
Foreign Government Securities 3
Other 1
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
Material Fund Change [Text Block]
Material Fund Changes
Effective January 21, 2026, Class C shares were closed to new purchases by new or existing shareholders, except by existing shareholders through qualifying transactions.
C000003572 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Core Plus Bond Fund
Class Name Class A
Trading Symbol SAVAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Core Plus Bond 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 Core Plus Bond Fund
Class A / SAVAX		 $35 0.70%
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.70%
Net Assets $ 626,584,000
Holdings Count | Holding 742
Investment Company Portfolio Turnover 14.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $626,584
Total number of portfolio holdings 742
Portfolio turnover rate as of the end of the reporting period 14%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 34 %
Financials 15
Energy 4
Industrials 3
All other Corporate Bonds and Notes 12
Mortgage-Backed Securities 29
U.S. Government Securities 15
Asset-Backed Securities 10
Leveraged Loans 4
Short-Term Investment 4
Foreign Government Securities 3
Other 1
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000049901 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Duff & Phelps Real Estate Securities Fund
Class Name Class A
Trading Symbol PHRAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Duff & Phelps Real Estate Securities 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 Real Estate Securities Fund
Class A / PHRAX		 $63 1.24%
Expenses Paid, Amount $ 63
Expense Ratio, Percent 1.24%
Net Assets $ 341,142,000
Holdings Count | Holding 31
Investment Company Portfolio Turnover 5.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $341,142
Total number of portfolio holdings 31
Portfolio turnover rate as of the end of the reporting period 5%
Holdings [Text Block]
Asset Allocation(1)
Health Care REITS 21 %
Industrial/Office REITS 17
Retail REITS 16
Data Centers REITS 15
Residential REITS 13
Self Storage REITS 6
Specialty REITS 4
Other REITS 8
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000049903 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Duff & Phelps Real Estate Securities Fund
Class Name Class C
Trading Symbol PHRCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Duff & Phelps Real Estate Securities 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.
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 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 Real Estate Securities Fund
Class C / PHRCX		 $100 1.99%
Expenses Paid, Amount $ 100
Expense Ratio, Percent 1.99%
Net Assets $ 341,142,000
Holdings Count | Holding 31
Investment Company Portfolio Turnover 5.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $341,142
Total number of portfolio holdings 31
Portfolio turnover rate as of the end of the reporting period 5%
Holdings [Text Block]
Asset Allocation(1)
Health Care REITS 21 %
Industrial/Office REITS 17
Retail REITS 16
Data Centers REITS 15
Residential REITS 13
Self Storage REITS 6
Specialty REITS 4
Other REITS 8
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
Material Fund Change [Text Block]
Material Fund Changes
Effective January 21, 2026, Class C shares were closed to new purchases by new or existing shareholders, except by existing shareholders through qualifying transactions.
C000049904 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Duff & Phelps Real Estate Securities Fund
Class Name Class I
Trading Symbol PHRIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Duff & Phelps Real Estate Securities 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 Real Estate Securities Fund
Class I / PHRIX		 $50 0.99%
Expenses Paid, Amount $ 50
Expense Ratio, Percent 0.99%
Net Assets $ 341,142,000
Holdings Count | Holding 31
Investment Company Portfolio Turnover 5.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $341,142
Total number of portfolio holdings 31
Portfolio turnover rate as of the end of the reporting period 5%
Holdings [Text Block]
Asset Allocation(1)
Health Care REITS 21 %
Industrial/Office REITS 17
Retail REITS 16
Data Centers REITS 15
Residential REITS 13
Self Storage REITS 6
Specialty REITS 4
Other REITS 8
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000148854 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Duff & Phelps Real Estate Securities Fund
Class Name Class R6
Trading Symbol VRREX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Duff & Phelps Real Estate Securities 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 Real Estate Securities Fund
Class R6 / VRREX		 $40 0.79%
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Net Assets $ 341,142,000
Holdings Count | Holding 31
Investment Company Portfolio Turnover 5.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $341,142
Total number of portfolio holdings 31
Portfolio turnover rate as of the end of the reporting period 5%
Holdings [Text Block]
Asset Allocation(1)
Health Care REITS 21 %
Industrial/Office REITS 17
Retail REITS 16
Data Centers REITS 15
Residential REITS 13
Self Storage REITS 6
Specialty REITS 4
Other REITS 8
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000176708 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet High Yield Fund
Class Name Class R6
Trading Symbol VRHYX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet High Yield 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 High Yield Fund
Class R6 / VRHYX		 $29 0.59%
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.59%
Net Assets $ 51,565,000
Holdings Count | Holding 233
Investment Company Portfolio Turnover 19.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $51,565
Total number of portfolio holdings 233
Portfolio turnover rate as of the end of the reporting period 19%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 95 %
Financials 25
Energy 16
Industrials 11
All other Corporate Bonds and Notes 43
Short-Term Investment 3
Leveraged Loans 0
Other 2
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000119169 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet High Yield Fund
Class Name Class I
Trading Symbol PHCIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet High Yield 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 High Yield Fund
Class I / PHCIX		 $35 0.70%
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.70%
Net Assets $ 51,565,000
Holdings Count | Holding 233
Investment Company Portfolio Turnover 19.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $51,565
Total number of portfolio holdings 233
Portfolio turnover rate as of the end of the reporting period 19%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 95 %
Financials 25
Energy 16
Industrials 11
All other Corporate Bonds and Notes 43
Short-Term Investment 3
Leveraged Loans 0
Other 2
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000049913 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet High Yield Fund
Class Name Class A
Trading Symbol PHCHX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet High Yield 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 High Yield Fund
Class A / PHCHX		 $47 0.95%
Expenses Paid, Amount $ 47
Expense Ratio, Percent 0.95%
Net Assets $ 51,565,000
Holdings Count | Holding 233
Investment Company Portfolio Turnover 19.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $51,565
Total number of portfolio holdings 233
Portfolio turnover rate as of the end of the reporting period 19%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 95 %
Financials 25
Energy 16
Industrials 11
All other Corporate Bonds and Notes 43
Short-Term Investment 3
Leveraged Loans 0
Other 2
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000049915 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Multi-Sector Intermediate Bond Fund
Class Name Class A
Trading Symbol NAMFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Multi-Sector Intermediate Bond 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 Multi-Sector Intermediate Bond Fund
Class A / NAMFX		 $50 0.99%
Expenses Paid, Amount $ 50
Expense Ratio, Percent 0.99%
Net Assets $ 938,779,000
Holdings Count | Holding 925
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $938,779
Total number of portfolio holdings 925
Portfolio turnover rate as of the end of the reporting period 24%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 34 %
Financials 13
Energy 5
Industrials 4
All other Corporate Bonds and Notes 12
Mortgage-Backed Securities 23
Foreign Government Securities 16
Asset-Backed Securities 13
Leveraged Loans 8
U.S. Government Securities 4
Affiliated Exchange-Traded Fund 1
Other (includes short-term investment) 1
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000049917 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Multi-Sector Intermediate Bond Fund
Class Name Class C
Trading Symbol NCMFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Multi-Sector Intermediate Bond 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 Multi-Sector Intermediate Bond Fund
Class C / NCMFX		 $87 1.74%
Expenses Paid, Amount $ 87
Expense Ratio, Percent 1.74%
Net Assets $ 938,779,000
Holdings Count | Holding 925
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $938,779
Total number of portfolio holdings 925
Portfolio turnover rate as of the end of the reporting period 24%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 34 %
Financials 13
Energy 5
Industrials 4
All other Corporate Bonds and Notes 12
Mortgage-Backed Securities 23
Foreign Government Securities 16
Asset-Backed Securities 13
Leveraged Loans 8
U.S. Government Securities 4
Affiliated Exchange-Traded Fund 1
Other (includes short-term investment) 1
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000081781 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Multi-Sector Intermediate Bond Fund
Class Name Class I
Trading Symbol VMFIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Multi-Sector Intermediate Bond 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 Multi-Sector Intermediate Bond Fund
Class I / VMFIX		 $37 0.74%
Expenses Paid, Amount $ 37
Expense Ratio, Percent 0.74%
Net Assets $ 938,779,000
Holdings Count | Holding 925
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $938,779
Total number of portfolio holdings 925
Portfolio turnover rate as of the end of the reporting period 24%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 34 %
Financials 13
Energy 5
Industrials 4
All other Corporate Bonds and Notes 12
Mortgage-Backed Securities 23
Foreign Government Securities 16
Asset-Backed Securities 13
Leveraged Loans 8
U.S. Government Securities 4
Affiliated Exchange-Traded Fund 1
Other (includes short-term investment) 1
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000148855 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Multi-Sector Intermediate Bond Fund
Class Name Class R6
Trading Symbol VMFRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Multi-Sector Intermediate Bond 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 Multi-Sector Intermediate Bond Fund
Class R6 / VMFRX		 $30 0.60%
Expenses Paid, Amount $ 30
Expense Ratio, Percent 0.60%
Net Assets $ 938,779,000
Holdings Count | Holding 925
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $938,779
Total number of portfolio holdings 925
Portfolio turnover rate as of the end of the reporting period 24%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 34 %
Financials 13
Energy 5
Industrials 4
All other Corporate Bonds and Notes 12
Mortgage-Backed Securities 23
Foreign Government Securities 16
Asset-Backed Securities 13
Leveraged Loans 8
U.S. Government Securities 4
Affiliated Exchange-Traded Fund 1
Other (includes short-term investment) 1
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000176709 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Multi-Sector Short Term Bond Fund
Class Name Class R6
Trading Symbol VMSSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Multi-Sector Short Term Bond 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 Multi-Sector Short Term Bond Fund
Class R6 / VMSSX		 $26 0.52%
Expenses Paid, Amount $ 26
Expense Ratio, Percent 0.52%
Net Assets $ 4,772,399,000
Holdings Count | Holding 914
Investment Company Portfolio Turnover 22.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $4,772,399
Total number of portfolio holdings 914
Portfolio turnover rate as of the end of the reporting period 22%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 27 %
Financials 11
Energy 3
Health Care 3
All other Corporate Bonds and Notes 10
Asset-Backed Securities 27
Mortgage-Backed Securities 25
Foreign Government Securities 7
U.S. Government Securities 7
Leveraged Loans 5
Other (includes short-term investment and securities lending collateral) 2
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000066828 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Multi-Sector Short Term Bond Fund
Class Name Class I
Trading Symbol PIMSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Multi-Sector Short Term Bond 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 Multi-Sector Short Term Bond Fund
Class I / PIMSX		 $33 0.65%
Expenses Paid, Amount $ 33
Expense Ratio, Percent 0.65%
Net Assets $ 4,772,399,000
Holdings Count | Holding 914
Investment Company Portfolio Turnover 22.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $4,772,399
Total number of portfolio holdings 914
Portfolio turnover rate as of the end of the reporting period 22%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 27 %
Financials 11
Energy 3
Health Care 3
All other Corporate Bonds and Notes 10
Asset-Backed Securities 27
Mortgage-Backed Securities 25
Foreign Government Securities 7
U.S. Government Securities 7
Leveraged Loans 5
Other (includes short-term investment and securities lending collateral) 2
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000049921 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Multi-Sector Short Term Bond Fund
Class Name Class C1
Trading Symbol PMSTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Multi-Sector Short Term Bond 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 Multi-Sector Short Term Bond Fund
Class C1 / PMSTX		 $83 1.66%
Expenses Paid, Amount $ 83
Expense Ratio, Percent 1.66%
Net Assets $ 4,772,399,000
Holdings Count | Holding 914
Investment Company Portfolio Turnover 22.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $4,772,399
Total number of portfolio holdings 914
Portfolio turnover rate as of the end of the reporting period 22%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 27 %
Financials 11
Energy 3
Health Care 3
All other Corporate Bonds and Notes 10
Asset-Backed Securities 27
Mortgage-Backed Securities 25
Foreign Government Securities 7
U.S. Government Securities 7
Leveraged Loans 5
Other (includes short-term investment and securities lending collateral) 2
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000049920 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Multi-Sector Short Term Bond Fund
Class Name Class C
Trading Symbol PSTCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Multi-Sector Short Term Bond 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.
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 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 Multi-Sector Short Term Bond Fund
Class C / PSTCX		 $58 1.16%
Expenses Paid, Amount $ 58
Expense Ratio, Percent 1.16%
Net Assets $ 4,772,399,000
Holdings Count | Holding 914
Investment Company Portfolio Turnover 22.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $4,772,399
Total number of portfolio holdings 914
Portfolio turnover rate as of the end of the reporting period 22%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 27 %
Financials 11
Energy 3
Health Care 3
All other Corporate Bonds and Notes 10
Asset-Backed Securities 27
Mortgage-Backed Securities 25
Foreign Government Securities 7
U.S. Government Securities 7
Leveraged Loans 5
Other (includes short-term investment and securities lending collateral) 2
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
Material Fund Change [Text Block]
Material Fund Changes
Effective January 21, 2026, Class C shares were closed to new purchases by new or existing shareholders, except by existing shareholders through qualifying transactions.
C000049918 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Multi-Sector Short Term Bond Fund
Class Name Class A
Trading Symbol NARAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Multi-Sector Short Term Bond 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 Multi-Sector Short Term Bond Fund
Class A / NARAX		 $45 0.90%
Expenses Paid, Amount $ 45
Expense Ratio, Percent 0.90%
Net Assets $ 4,772,399,000
Holdings Count | Holding 914
Investment Company Portfolio Turnover 22.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $4,772,399
Total number of portfolio holdings 914
Portfolio turnover rate as of the end of the reporting period 22%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 27 %
Financials 11
Energy 3
Health Care 3
All other Corporate Bonds and Notes 10
Asset-Backed Securities 27
Mortgage-Backed Securities 25
Foreign Government Securities 7
U.S. Government Securities 7
Leveraged Loans 5
Other (includes short-term investment and securities lending collateral) 2
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000049922 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Duff & Phelps Global Infrastructure Fund
Class Name Class A
Trading Symbol PGUAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Duff & Phelps Global Infrastructure 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 Global Infrastructure Fund
Class A / PGUAX		 $64 1.23%
Expenses Paid, Amount $ 64
Expense Ratio, Percent 1.23%
Net Assets $ 173,148,000
Holdings Count | Holding 53
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $173,148
Total number of portfolio holdings 53
Portfolio turnover rate as of the end of the reporting period 25%
Holdings [Text Block]
Asset Allocation(1)
Utilities 50 %
Industrials 28
Energy 17
Real Estate 4
Communication Services 1
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000066829 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Duff & Phelps Global Infrastructure Fund
Class Name Class I
Trading Symbol PGIUX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Duff & Phelps Global Infrastructure 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 Global Infrastructure Fund
Class I / PGIUX		 $54 1.02%
Expenses Paid, Amount $ 54
Expense Ratio, Percent 1.02%
Net Assets $ 173,148,000
Holdings Count | Holding 53
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $173,148
Total number of portfolio holdings 53
Portfolio turnover rate as of the end of the reporting period 25%
Holdings [Text Block]
Asset Allocation(1)
Utilities 50 %
Industrials 28
Energy 17
Real Estate 4
Communication Services 1
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000199804 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Duff & Phelps Global Infrastructure Fund
Class Name Class R6
Trading Symbol VGIRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Duff & Phelps Global Infrastructure 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 Global Infrastructure Fund
Class R6 / VGIRX		 $45 0.85%
Expenses Paid, Amount $ 45
Expense Ratio, Percent 0.85%
Net Assets $ 173,148,000
Holdings Count | Holding 53
Investment Company Portfolio Turnover 25.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $173,148
Total number of portfolio holdings 53
Portfolio turnover rate as of the end of the reporting period 25%
Holdings [Text Block]
Asset Allocation(1)
Utilities 50 %
Industrials 28
Energy 17
Real Estate 4
Communication Services 1
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000235246 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Duff & Phelps Real Asset Fund
Class Name Class R6
Trading Symbol VAABX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Duff & Phelps Real Asset 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 Real Asset Fund
Class R6 / VAABX		 $10 0.20%
Expenses Paid, Amount $ 10
Expense Ratio, Percent 0.20%
Net Assets $ 48,693,000
Holdings Count | Holding 11
Investment Company Portfolio Turnover 6.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $48,693
Total number of portfolio holdings 11
Portfolio turnover rate as of the end of the reporting period 6%
Holdings [Text Block]
Asset Allocation(1)
Affiliated Mutual Funds 77 %
Exchange-Traded Funds 19
Affiliated Exchange-Traded Fund 4
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000081785 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Duff & Phelps Real Asset Fund
Class Name Class I
Trading Symbol VADIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Duff & Phelps Real Asset 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 Real Asset Fund
Class I / VADIX		 $13 0.25%
Expenses Paid, Amount $ 13
Expense Ratio, Percent 0.25%
Net Assets $ 48,693,000
Holdings Count | Holding 11
Investment Company Portfolio Turnover 6.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $48,693
Total number of portfolio holdings 11
Portfolio turnover rate as of the end of the reporting period 6%
Holdings [Text Block]
Asset Allocation(1)
Affiliated Mutual Funds 77 %
Exchange-Traded Funds 19
Affiliated Exchange-Traded Fund 4
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000052537 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Duff & Phelps Real Asset Fund
Class Name Class A
Trading Symbol PDPAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Duff & Phelps Real Asset 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 Real Asset Fund
Class A / PDPAX		 $26 0.50%
Expenses Paid, Amount $ 26
Expense Ratio, Percent 0.50%
Net Assets $ 48,693,000
Holdings Count | Holding 11
Investment Company Portfolio Turnover 6.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $48,693
Total number of portfolio holdings 11
Portfolio turnover rate as of the end of the reporting period 6%
Holdings [Text Block]
Asset Allocation(1)
Affiliated Mutual Funds 77 %
Exchange-Traded Funds 19
Affiliated Exchange-Traded Fund 4
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000058006 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Senior Floating Rate Fund
Class Name Class A
Trading Symbol PSFRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Senior Floating Rate 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 Senior Floating Rate Fund
Class A / PSFRX		 $48 0.95%
Expenses Paid, Amount $ 48
Expense Ratio, Percent 0.95%
Net Assets $ 127,089,000
Holdings Count | Holding 252
Investment Company Portfolio Turnover 21.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $127,089
Total number of portfolio holdings 252
Portfolio turnover rate as of the end of the reporting period 21%
Holdings [Text Block]
Asset Allocation(1)
Leveraged Loans 96 %
Service 12
Information Technology 12
Health Care 11
Gaming / Leisure 6
Manufacturing 6
Financials 6
Food / Tobacco 5
All other Leveraged Loans 38
Corporate Bonds and Notes 4
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000058007 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Senior Floating Rate Fund
Class Name Class C
Trading Symbol PFSRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Senior Floating Rate 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.
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 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 Senior Floating Rate Fund
Class C / PFSRX		 $85 1.70%
Expenses Paid, Amount $ 85
Expense Ratio, Percent 1.70%
Net Assets $ 127,089,000
Holdings Count | Holding 252
Investment Company Portfolio Turnover 21.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $127,089
Total number of portfolio holdings 252
Portfolio turnover rate as of the end of the reporting period 21%
Holdings [Text Block]
Asset Allocation(1)
Leveraged Loans 96 %
Service 12
Information Technology 12
Health Care 11
Gaming / Leisure 6
Manufacturing 6
Financials 6
Food / Tobacco 5
All other Leveraged Loans 38
Corporate Bonds and Notes 4
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
Material Fund Change [Text Block]
Material Fund Changes
Effective January 21, 2026, Class C shares were closed to new purchases by new or existing shareholders, except by existing shareholders through qualifying transactions.
C000058008 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Senior Floating Rate Fund
Class Name Class I
Trading Symbol PSFIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Senior Floating Rate 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 Senior Floating Rate Fund
Class I / PSFIX		 $35 0.70%
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.70%
Net Assets $ 127,089,000
Holdings Count | Holding 252
Investment Company Portfolio Turnover 21.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $127,089
Total number of portfolio holdings 252
Portfolio turnover rate as of the end of the reporting period 21%
Holdings [Text Block]
Asset Allocation(1)
Leveraged Loans 96 %
Service 12
Information Technology 12
Health Care 11
Gaming / Leisure 6
Manufacturing 6
Financials 6
Food / Tobacco 5
All other Leveraged Loans 38
Corporate Bonds and Notes 4
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000176710 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Senior Floating Rate Fund
Class Name Class R6
Trading Symbol VRSFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Senior Floating Rate 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 Senior Floating Rate Fund
Class R6 / VRSFX		 $30 0.60%
Expenses Paid, Amount $ 30
Expense Ratio, Percent 0.60%
Net Assets $ 127,089,000
Holdings Count | Holding 252
Investment Company Portfolio Turnover 21.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $127,089
Total number of portfolio holdings 252
Portfolio turnover rate as of the end of the reporting period 21%
Holdings [Text Block]
Asset Allocation(1)
Leveraged Loans 96 %
Service 12
Information Technology 12
Health Care 11
Gaming / Leisure 6
Manufacturing 6
Financials 6
Food / Tobacco 5
All other Leveraged Loans 38
Corporate Bonds and Notes 4
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000176711 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Duff & Phelps Global Real Estate Securities Fund
Class Name Class R6
Trading Symbol VRGEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Duff & Phelps Global Real Estate Securities 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 Global Real Estate Securities Fund
Class R6 / VRGEX		 $43 0.87%
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.87%
Net Assets $ 400,024,000
Holdings Count | Holding 54
Investment Company Portfolio Turnover 6.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $400,024
Total number of portfolio holdings 54
Portfolio turnover rate as of the end of the reporting period 6%
Holdings [Text Block]
Asset Allocation(1)
Industrial/Office REITS 18 %
Health Care REITS 15
Retail REITS 14
Data Centers REITS 11
Residential REITS 9
Real Estate Management & Development REITS 6
Self Storage REITS 5
Other REITS 22
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000074734 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Duff & Phelps Global Real Estate Securities Fund
Class Name Class I
Trading Symbol VGISX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Duff & Phelps Global Real Estate Securities 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 Global Real Estate Securities Fund
Class I / VGISX		 $49 0.99%
Expenses Paid, Amount $ 49
Expense Ratio, Percent 0.99%
Net Assets $ 400,024,000
Holdings Count | Holding 54
Investment Company Portfolio Turnover 6.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $400,024
Total number of portfolio holdings 54
Portfolio turnover rate as of the end of the reporting period 6%
Holdings [Text Block]
Asset Allocation(1)
Industrial/Office REITS 18 %
Health Care REITS 15
Retail REITS 14
Data Centers REITS 11
Residential REITS 9
Real Estate Management & Development REITS 6
Self Storage REITS 5
Other REITS 22
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000074733 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Duff & Phelps Global Real Estate Securities Fund
Class Name Class C
Trading Symbol VGSCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Duff & Phelps Global Real Estate Securities 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.
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 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 Global Real Estate Securities Fund
Class C / VGSCX		 $99 1.99%
Expenses Paid, Amount $ 99
Expense Ratio, Percent 1.99%
Net Assets $ 400,024,000
Holdings Count | Holding 54
Investment Company Portfolio Turnover 6.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $400,024
Total number of portfolio holdings 54
Portfolio turnover rate as of the end of the reporting period 6%
Holdings [Text Block]
Asset Allocation(1)
Industrial/Office REITS 18 %
Health Care REITS 15
Retail REITS 14
Data Centers REITS 11
Residential REITS 9
Real Estate Management & Development REITS 6
Self Storage REITS 5
Other REITS 22
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
Material Fund Change [Text Block]
Material Fund Changes
Effective January 21, 2026, Class C shares were closed to new purchases by new or existing shareholders, except by existing shareholders through qualifying transactions.
C000074732 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Duff & Phelps Global Real Estate Securities Fund
Class Name Class A
Trading Symbol VGSAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Duff & Phelps Global Real Estate Securities 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 Global Real Estate Securities Fund
Class A / VGSAX		 $62 1.24%
Expenses Paid, Amount $ 62
Expense Ratio, Percent 1.24%
Net Assets $ 400,024,000
Holdings Count | Holding 54
Investment Company Portfolio Turnover 6.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $400,024
Total number of portfolio holdings 54
Portfolio turnover rate as of the end of the reporting period 6%
Holdings [Text Block]
Asset Allocation(1)
Industrial/Office REITS 18 %
Health Care REITS 15
Retail REITS 14
Data Centers REITS 11
Residential REITS 9
Real Estate Management & Development REITS 6
Self Storage REITS 5
Other REITS 22
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000117511 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus KAR International Small-Mid Cap Fund
Class Name Class A
Trading Symbol VISAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus KAR International Small-Mid 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 KAR International Small-Mid Cap Fund
Class A / VISAX		 $71 1.48%
Expenses Paid, Amount $ 71
Expense Ratio, Percent 1.48%
Net Assets $ 783,038,000
Holdings Count | Holding 40
Investment Company Portfolio Turnover 19.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $783,038
Total number of portfolio holdings 40
Portfolio turnover rate as of the end of the reporting period 19%
Holdings [Text Block]
Asset Allocation(1)
Industrials 36 %
Financials 22
Health Care 14
Materials 9
Communication Services 7
Information Technology 4
Energy 3
Other 5
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000117512 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus KAR International Small-Mid Cap Fund
Class Name Class C
Trading Symbol VCISX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus KAR International Small-Mid 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 KAR International Small-Mid Cap Fund
Class C / VCISX		 $106 2.23%
Expenses Paid, Amount $ 106
Expense Ratio, Percent 2.23%
Net Assets $ 783,038,000
Holdings Count | Holding 40
Investment Company Portfolio Turnover 19.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $783,038
Total number of portfolio holdings 40
Portfolio turnover rate as of the end of the reporting period 19%
Holdings [Text Block]
Asset Allocation(1)
Industrials 36 %
Financials 22
Health Care 14
Materials 9
Communication Services 7
Information Technology 4
Energy 3
Other 5
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000117513 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus KAR International Small-Mid Cap Fund
Class Name Class I
Trading Symbol VIISX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus KAR International Small-Mid 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 KAR International Small-Mid Cap Fund
Class I / VIISX		 $58 1.22%
Expenses Paid, Amount $ 58
Expense Ratio, Percent 1.22%
Net Assets $ 783,038,000
Holdings Count | Holding 40
Investment Company Portfolio Turnover 19.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $783,038
Total number of portfolio holdings 40
Portfolio turnover rate as of the end of the reporting period 19%
Holdings [Text Block]
Asset Allocation(1)
Industrials 36 %
Financials 22
Health Care 14
Materials 9
Communication Services 7
Information Technology 4
Energy 3
Other 5
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000148859 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus KAR International Small-Mid Cap Fund
Class Name Class R6
Trading Symbol VRISX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus KAR International Small-Mid 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 KAR International Small-Mid Cap Fund
Class R6 / VRISX		 $53 1.11%
Expenses Paid, Amount $ 53
Expense Ratio, Percent 1.11%
Net Assets $ 783,038,000
Holdings Count | Holding 40
Investment Company Portfolio Turnover 19.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $783,038
Total number of portfolio holdings 40
Portfolio turnover rate as of the end of the reporting period 19%
Holdings [Text Block]
Asset Allocation(1)
Industrials 36 %
Financials 22
Health Care 14
Materials 9
Communication Services 7
Information Technology 4
Energy 3
Other 5
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000215024 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus KAR Emerging Markets Small-Cap Fund
Class Name Class R6
Trading Symbol VRESX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus KAR Emerging Markets 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 KAR Emerging Markets Small-Cap Fund
Class R6 / VRESX		 $64 1.30%
Expenses Paid, Amount $ 64
Expense Ratio, Percent 1.30%
Net Assets $ 336,728,000
Holdings Count | Holding 43
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $336,728
Total number of portfolio holdings 43
Portfolio turnover rate as of the end of the reporting period 31%
Holdings [Text Block]
Asset Allocation(1)
Industrials 40 %
Financials 16
Consumer Staples 12
Health Care 7
Materials 6
Consumer Discretionary 4
Communication Services 4
Other 11
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000133103 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus KAR Emerging Markets Small-Cap Fund
Class Name Class I
Trading Symbol VIESX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus KAR Emerging Markets 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 KAR Emerging Markets Small-Cap Fund
Class I / VIESX		 $71 1.45%
Expenses Paid, Amount $ 71
Expense Ratio, Percent 1.45%
Net Assets $ 336,728,000
Holdings Count | Holding 43
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $336,728
Total number of portfolio holdings 43
Portfolio turnover rate as of the end of the reporting period 31%
Holdings [Text Block]
Asset Allocation(1)
Industrials 40 %
Financials 16
Consumer Staples 12
Health Care 7
Materials 6
Consumer Discretionary 4
Communication Services 4
Other 11
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000133102 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus KAR Emerging Markets Small-Cap Fund
Class Name Class C
Trading Symbol VCESX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus KAR Emerging Markets 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.
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 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 KAR Emerging Markets Small-Cap Fund
Class C / VCESX		 $120 2.45%
Expenses Paid, Amount $ 120
Expense Ratio, Percent 2.45%
Net Assets $ 336,728,000
Holdings Count | Holding 43
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $336,728
Total number of portfolio holdings 43
Portfolio turnover rate as of the end of the reporting period 31%
Holdings [Text Block]
Asset Allocation(1)
Industrials 40 %
Financials 16
Consumer Staples 12
Health Care 7
Materials 6
Consumer Discretionary 4
Communication Services 4
Other 11
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
Material Fund Change [Text Block]
Material Fund Changes
Effective January 21, 2026, Class C shares were closed to new purchases by new or existing shareholders, except by existing shareholders through qualifying transactions.
C000133101 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus KAR Emerging Markets Small-Cap Fund
Class Name Class A
Trading Symbol VAESX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus KAR Emerging Markets 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 KAR Emerging Markets Small-Cap Fund
Class A / VAESX		 $84 1.70%
Expenses Paid, Amount $ 84
Expense Ratio, Percent 1.70%
Net Assets $ 336,728,000
Holdings Count | Holding 43
Investment Company Portfolio Turnover 31.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $336,728
Total number of portfolio holdings 43
Portfolio turnover rate as of the end of the reporting period 31%
Holdings [Text Block]
Asset Allocation(1)
Industrials 40 %
Financials 16
Consumer Staples 12
Health Care 7
Materials 6
Consumer Discretionary 4
Communication Services 4
Other 11
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000173499 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus SGA Emerging Markets Equity Fund
Class Name Class A
Trading Symbol HEMZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus SGA Emerging Markets Equity 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.
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 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 SGA Emerging Markets Equity Fund
Class A / HEMZX		 $71 1.51%
Expenses Paid, Amount $ 71
Expense Ratio, Percent 1.51%
Material Change Date Jan. 01, 2026
Net Assets $ 447,415,000
Holdings Count | Holding 27
Investment Company Portfolio Turnover 16.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $447,415
Total number of portfolio holdings 27
Portfolio turnover rate as of the end of the reporting period 16%
Holdings [Text Block]
Asset Allocation(1)
Financials 28 %
Consumer Discretionary 25
Information Technology 18
Consumer Staples 13
Communication Services 10
Industrials 4
Health Care 2
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
Material Fund Change [Text Block]
Material Fund Changes
Effective January 1, 2026, a new expense limitation of 1.46% went into effect for Class A shares.
Material Fund Change Expenses [Text Block]
Effective January 1, 2026, a new expense limitation of 1.46% went into effect for Class A shares.
C000173500 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus SGA Emerging Markets Equity Fund
Class Name Class C
Trading Symbol PICEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus SGA Emerging Markets Equity 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.
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 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 SGA Emerging Markets Equity Fund
Class C / PICEX		 $107 2.26%
Expenses Paid, Amount $ 107
Expense Ratio, Percent 2.26%
Material Change Date Jan. 01, 2026
Net Assets $ 447,415,000
Holdings Count | Holding 27
Investment Company Portfolio Turnover 16.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $447,415
Total number of portfolio holdings 27
Portfolio turnover rate as of the end of the reporting period 16%
Holdings [Text Block]
Asset Allocation(1)
Financials 28 %
Consumer Discretionary 25
Information Technology 18
Consumer Staples 13
Communication Services 10
Industrials 4
Health Care 2
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
Material Fund Change [Text Block]
Material Fund Changes
Effective January 1, 2026, a new expense limitation of 2.21% went into effect for Class C shares.
Material Fund Change Expenses [Text Block]
Effective January 1, 2026, a new expense limitation of 2.21% went into effect for Class C shares.
C000173501 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus SGA Emerging Markets Equity Fund
Class Name Class I
Trading Symbol HIEMX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus SGA Emerging Markets Equity 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.
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 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 SGA Emerging Markets Equity Fund
Class I / HIEMX		 $60 1.26%
Expenses Paid, Amount $ 60
Expense Ratio, Percent 1.26%
Material Change Date Jan. 01, 2026
Net Assets $ 447,415,000
Holdings Count | Holding 27
Investment Company Portfolio Turnover 16.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $447,415
Total number of portfolio holdings 27
Portfolio turnover rate as of the end of the reporting period 16%
Holdings [Text Block]
Asset Allocation(1)
Financials 28 %
Consumer Discretionary 25
Information Technology 18
Consumer Staples 13
Communication Services 10
Industrials 4
Health Care 2
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
Material Fund Change [Text Block]
Material Fund Changes
Effective January 1, 2026, a new expense limitation of 1.21% went into effect for Class I shares.
Material Fund Change Expenses [Text Block]
Effective January 1, 2026, a new expense limitation of 1.21% went into effect for Class I shares.
C000173502 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus SGA Emerging Markets Equity Fund
Class Name Class R6
Trading Symbol VREMX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus SGA Emerging Markets Equity 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 SGA Emerging Markets Equity Fund
Class R6 / VREMX		 $48 1.02%
Expenses Paid, Amount $ 48
Expense Ratio, Percent 1.02%
Net Assets $ 447,415,000
Holdings Count | Holding 27
Investment Company Portfolio Turnover 16.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $447,415
Total number of portfolio holdings 27
Portfolio turnover rate as of the end of the reporting period 16%
Holdings [Text Block]
Asset Allocation(1)
Financials 28 %
Consumer Discretionary 25
Information Technology 18
Consumer Staples 13
Communication Services 10
Industrials 4
Health Care 2
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000210350 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Low Duration Core Plus Bond Fund
Class Name Class R6
Trading Symbol VLDRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Low Duration Core Plus Bond 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 Low Duration Core Plus Bond Fund
Class R6 / VLDRX		 $22 0.43%
Expenses Paid, Amount $ 22
Expense Ratio, Percent 0.43%
Net Assets $ 412,982,000
Holdings Count | Holding 558
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $412,982
Total number of portfolio holdings 558
Portfolio turnover rate as of the end of the reporting period 23%
Holdings [Text Block]
Asset Allocation(1)
Asset-Backed Securities 32 %
Mortgage-Backed Securities 28
Corporate Bonds and Notes 25
Financials 12
Health Care 2
Industrials 2
All other Corporate Bonds and Notes 9
U.S. Government Securities 10
Leveraged Loans 3
Other (includes securities lending collateral) 2
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000173505 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Low Duration Core Plus Bond Fund
Class Name Class I
Trading Symbol HIBIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Low Duration Core Plus Bond 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 Low Duration Core Plus Bond Fund
Class I / HIBIX		 $25 0.50%
Expenses Paid, Amount $ 25
Expense Ratio, Percent 0.50%
Net Assets $ 412,982,000
Holdings Count | Holding 558
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $412,982
Total number of portfolio holdings 558
Portfolio turnover rate as of the end of the reporting period 23%
Holdings [Text Block]
Asset Allocation(1)
Asset-Backed Securities 32 %
Mortgage-Backed Securities 28
Corporate Bonds and Notes 25
Financials 12
Health Care 2
Industrials 2
All other Corporate Bonds and Notes 9
U.S. Government Securities 10
Leveraged Loans 3
Other (includes securities lending collateral) 2
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000173504 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Low Duration Core Plus Bond Fund
Class Name Class C
Trading Symbol PCMZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Low Duration Core Plus Bond 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.
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 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 Low Duration Core Plus Bond Fund
Class C / PCMZX		 $75 1.50%
Expenses Paid, Amount $ 75
Expense Ratio, Percent 1.50%
Net Assets $ 412,982,000
Holdings Count | Holding 558
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $412,982
Total number of portfolio holdings 558
Portfolio turnover rate as of the end of the reporting period 23%
Holdings [Text Block]
Asset Allocation(1)
Asset-Backed Securities 32 %
Mortgage-Backed Securities 28
Corporate Bonds and Notes 25
Financials 12
Health Care 2
Industrials 2
All other Corporate Bonds and Notes 9
U.S. Government Securities 10
Leveraged Loans 3
Other (includes securities lending collateral) 2
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
Material Fund Change [Text Block]
Material Fund Changes
Effective January 21, 2026, Class C shares were closed to new purchases by new or existing shareholders, except by existing shareholders through qualifying transactions.
C000173503 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Newfleet Low Duration Core Plus Bond Fund
Class Name Class A
Trading Symbol HIMZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Newfleet Low Duration Core Plus Bond 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 Low Duration Core Plus Bond Fund
Class A / HIMZX		 $38 0.75%
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.75%
Net Assets $ 412,982,000
Holdings Count | Holding 558
Investment Company Portfolio Turnover 23.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $412,982
Total number of portfolio holdings 558
Portfolio turnover rate as of the end of the reporting period 23%
Holdings [Text Block]
Asset Allocation(1)
Asset-Backed Securities 32 %
Mortgage-Backed Securities 28
Corporate Bonds and Notes 25
Financials 12
Health Care 2
Industrials 2
All other Corporate Bonds and Notes 9
U.S. Government Securities 10
Leveraged Loans 3
Other (includes securities lending collateral) 2
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000173507 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix Tax-Exempt Bond Fund
Class Name Class A
Trading Symbol HXBZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix Tax-Exempt Bond 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 Seix Tax-Exempt Bond Fund
Class A / HXBZX		 $48 0.96%
Expenses Paid, Amount $ 48
Expense Ratio, Percent 0.96%
Net Assets $ 45,611,000
Holdings Count | Holding 73
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $45,611
Total number of portfolio holdings 73
Portfolio turnover rate as of the end of the reporting period 11%
Holdings [Text Block]
Asset Allocation(1)
Municipal Bonds 100 %
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000173506 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix Tax-Exempt Bond Fund
Class Name Class I
Trading Symbol HXBIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix Tax-Exempt Bond 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 Seix Tax-Exempt Bond Fund
Class I / HXBIX		 $36 0.71%
Expenses Paid, Amount $ 36
Expense Ratio, Percent 0.71%
Net Assets $ 45,611,000
Holdings Count | Holding 73
Investment Company Portfolio Turnover 11.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $45,611
Total number of portfolio holdings 73
Portfolio turnover rate as of the end of the reporting period 11%
Holdings [Text Block]
Asset Allocation(1)
Municipal Bonds 100 %
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000227966 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus KAR Developing Markets Fund
Class Name Class R6
Trading Symbol VDMRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus KAR Developing Markets 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 KAR Developing Markets Fund
Class R6 / VDMRX		 $53 1.06%
Expenses Paid, Amount $ 53
Expense Ratio, Percent 1.06%
Net Assets $ 3,667,000
Holdings Count | Holding 42
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $3,667
Total number of portfolio holdings 42
Portfolio turnover rate as of the end of the reporting period 24%
Holdings [Text Block]
Asset Allocation(1)
Industrials 39 %
Financials 15
Consumer Staples 13
Information Technology 11
Materials 7
Communication Services 5
Consumer Discretionary 4
Other 6
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000227965 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus KAR Developing Markets Fund
Class Name Class I
Trading Symbol VIDMX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus KAR Developing Markets 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 KAR Developing Markets Fund
Class I / VIDMX		 $55 1.09%
Expenses Paid, Amount $ 55
Expense Ratio, Percent 1.09%
Net Assets $ 3,667,000
Holdings Count | Holding 42
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $3,667
Total number of portfolio holdings 42
Portfolio turnover rate as of the end of the reporting period 24%
Holdings [Text Block]
Asset Allocation(1)
Industrials 39 %
Financials 15
Consumer Staples 13
Information Technology 11
Materials 7
Communication Services 5
Consumer Discretionary 4
Other 6
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.
C000227967 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus KAR Developing Markets Fund
Class Name Class A
Trading Symbol VDMAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus KAR Developing Markets 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 KAR Developing Markets Fund
Class A / VDMAX		 $68 1.36%
Expenses Paid, Amount $ 68
Expense Ratio, Percent 1.36%
Net Assets $ 3,667,000
Holdings Count | Holding 42
Investment Company Portfolio Turnover 24.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of March 31, 2026)
Fund net assets (‘000s) $3,667
Total number of portfolio holdings 42
Portfolio turnover rate as of the end of the reporting period 24%
Holdings [Text Block]
Asset Allocation(1)
Industrials 39 %
Financials 15
Consumer Staples 13
Information Technology 11
Materials 7
Communication Services 5
Consumer Discretionary 4
Other 6
Total 100 %
​(1)
Percentage of total investments as of March 31, 2026.