v3.25.2
Shareholder Report
 6 Months Ended
Jun. 30, 2025
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Virtus Asset Trust
Entity Central Index Key 0001018593
Entity Investment Company Type N-1A
Document Period End Date Jun. 30, 2025
C000181238 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix Core Bond Fund
Class Name Class A
Trading Symbol STGIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix Core Bond Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Core Bond Fund
Class A / STGIX		 $32 0.64%
Expenses Paid, Amount $ 32
Expense Ratio, Percent 0.64%
Net Assets $ 129,722,000
Holdings Count | Holding 165
Investment Company Portfolio Turnover 85.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $129,722
Total number of portfolio holdings 165
Portfolio turnover rate as of the end of the reporting period 85%
Holdings [Text Block]
Asset Allocation(1)
U.S. Government Securities 41%
Mortgage-Backed Securities 35%
Agency 35%
Corporate Bonds and Notes 18%
Financials 7%
Industrials 3%
Health Care 2%
All other Corporate Bonds and Notes 6%
Asset-Backed Securities 6%
Automobiles 2%
Credit Card 2%
Other 2%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181239 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix Core Bond Fund
Class Name Class I
Trading Symbol STIGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix Core Bond Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Core Bond Fund
Class I / STIGX		 $25 0.50%
Expenses Paid, Amount $ 25
Expense Ratio, Percent 0.50%
Net Assets $ 129,722,000
Holdings Count | Holding 165
Investment Company Portfolio Turnover 85.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $129,722
Total number of portfolio holdings 165
Portfolio turnover rate as of the end of the reporting period 85%
Holdings [Text Block]
Asset Allocation(1)
U.S. Government Securities 41%
Mortgage-Backed Securities 35%
Agency 35%
Corporate Bonds and Notes 18%
Financials 7%
Industrials 3%
Health Care 2%
All other Corporate Bonds and Notes 6%
Asset-Backed Securities 6%
Automobiles 2%
Credit Card 2%
Other 2%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181240 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix Core Bond Fund
Class Name Class R6
Trading Symbol STGZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix Core Bond Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Core Bond Fund
Class R6 / STGZX		 $18 0.36%
Expenses Paid, Amount $ 18
Expense Ratio, Percent 0.36%
Net Assets $ 129,722,000
Holdings Count | Holding 165
Investment Company Portfolio Turnover 85.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $129,722
Total number of portfolio holdings 165
Portfolio turnover rate as of the end of the reporting period 85%
Holdings [Text Block]
Asset Allocation(1)
U.S. Government Securities 41%
Mortgage-Backed Securities 35%
Agency 35%
Corporate Bonds and Notes 18%
Financials 7%
Industrials 3%
Health Care 2%
All other Corporate Bonds and Notes 6%
Asset-Backed Securities 6%
Automobiles 2%
Credit Card 2%
Other 2%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181250 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix Floating Rate High Income Fund
Class Name Class R6
Trading Symbol SFRZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix Floating Rate High Income Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Floating Rate High Income Fund
Class R6 / SFRZX		 $27 0.53%
Expenses Paid, Amount $ 27
Expense Ratio, Percent 0.53%
Net Assets $ 1,365,325,000
Holdings Count | Holding 307
Investment Company Portfolio Turnover 37.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $1,365,325
Total number of portfolio holdings 307
Portfolio turnover rate as of the end of the reporting period 37%
Holdings [Text Block]
Asset Allocation(1)
Leveraged Loans 94%
Financials 13%
Information Technology 11%
Service 8%
Chemicals 6%
Utilities 5%
Health Care 5%
Media / Telecom - Telecommunications 5%
All other Leveraged Loans 41%
Corporate Bonds and Notes 3%
Asset-Backed Securities 1%
Other (includes short-term investment) 2%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181249 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix Floating Rate High Income Fund
Class Name Class I
Trading Symbol SAMBX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix Floating Rate High Income Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Floating Rate High Income Fund
Class I / SAMBX		 $32 0.63%
Expenses Paid, Amount $ 32
Expense Ratio, Percent 0.63%
Net Assets $ 1,365,325,000
Holdings Count | Holding 307
Investment Company Portfolio Turnover 37.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $1,365,325
Total number of portfolio holdings 307
Portfolio turnover rate as of the end of the reporting period 37%
Holdings [Text Block]
Asset Allocation(1)
Leveraged Loans 94%
Financials 13%
Information Technology 11%
Service 8%
Chemicals 6%
Utilities 5%
Health Care 5%
Media / Telecom - Telecommunications 5%
All other Leveraged Loans 41%
Corporate Bonds and Notes 3%
Asset-Backed Securities 1%
Other (includes short-term investment) 2%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181247 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix Floating Rate High Income Fund
Class Name Class A
Trading Symbol SFRAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix Floating Rate High Income Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Floating Rate High Income Fund
Class A / SFRAX		 $48 0.95%
Expenses Paid, Amount $ 48
Expense Ratio, Percent 0.95%
Net Assets $ 1,365,325,000
Holdings Count | Holding 307
Investment Company Portfolio Turnover 37.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $1,365,325
Total number of portfolio holdings 307
Portfolio turnover rate as of the end of the reporting period 37%
Holdings [Text Block]
Asset Allocation(1)
Leveraged Loans 94%
Financials 13%
Information Technology 11%
Service 8%
Chemicals 6%
Utilities 5%
Health Care 5%
Media / Telecom - Telecommunications 5%
All other Leveraged Loans 41%
Corporate Bonds and Notes 3%
Asset-Backed Securities 1%
Other (includes short-term investment) 2%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181248 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix Floating Rate High Income Fund
Class Name Class C
Trading Symbol SFRCX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix Floating Rate High Income Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Floating Rate High Income Fund
Class C / SFRCX		 $76 1.53%
Expenses Paid, Amount $ 76
Expense Ratio, Percent 1.53%
Net Assets $ 1,365,325,000
Holdings Count | Holding 307
Investment Company Portfolio Turnover 37.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $1,365,325
Total number of portfolio holdings 307
Portfolio turnover rate as of the end of the reporting period 37%
Holdings [Text Block]
Asset Allocation(1)
Leveraged Loans 94%
Financials 13%
Information Technology 11%
Service 8%
Chemicals 6%
Utilities 5%
Health Care 5%
Media / Telecom - Telecommunications 5%
All other Leveraged Loans 41%
Corporate Bonds and Notes 3%
Asset-Backed Securities 1%
Other (includes short-term investment) 2%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181224 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Zevenbergen Innovative Growth Stock Fund
Class Name Class A
Trading Symbol SAGAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Zevenbergen Innovative Growth Stock Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Zevenbergen Innovative Growth Stock Fund
Class A / SAGAX		 $66 1.25%
Expenses Paid, Amount $ 66
Expense Ratio, Percent 1.25%
Net Assets $ 543,110,000
Holdings Count | Holding 36
Investment Company Portfolio Turnover 5.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $543,110
Total number of portfolio holdings 36
Portfolio turnover rate as of the end of the reporting period 5%
Holdings [Text Block]
Asset Allocation(1)
Information Technology 31%
Consumer Discretionary 24%
Communication Services 16%
Industrials 13%
Health Care 9%
Financials 3%
Consumer Staples 2%
Other 2%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181225 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Zevenbergen Innovative Growth Stock Fund
Class Name Class I
Trading Symbol SCATX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Zevenbergen Innovative Growth Stock Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Zevenbergen Innovative Growth Stock Fund
Class I / SCATX		 $53 1.00%
Expenses Paid, Amount $ 53
Expense Ratio, Percent 1.00%
Net Assets $ 543,110,000
Holdings Count | Holding 36
Investment Company Portfolio Turnover 5.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $543,110
Total number of portfolio holdings 36
Portfolio turnover rate as of the end of the reporting period 5%
Holdings [Text Block]
Asset Allocation(1)
Information Technology 31%
Consumer Discretionary 24%
Communication Services 16%
Industrials 13%
Health Care 9%
Financials 3%
Consumer Staples 2%
Other 2%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000224214 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Zevenbergen Innovative Growth Stock Fund
Class Name Class R6
Trading Symbol VZGRX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Zevenbergen Innovative Growth Stock Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Zevenbergen Innovative Growth Stock Fund
Class R6 / VZGRX		 $47 0.90%
Expenses Paid, Amount $ 47
Expense Ratio, Percent 0.90%
Net Assets $ 543,110,000
Holdings Count | Holding 36
Investment Company Portfolio Turnover 5.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $543,110
Total number of portfolio holdings 36
Portfolio turnover rate as of the end of the reporting period 5%
Holdings [Text Block]
Asset Allocation(1)
Information Technology 31%
Consumer Discretionary 24%
Communication Services 16%
Industrials 13%
Health Care 9%
Financials 3%
Consumer Staples 2%
Other 2%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181226 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Ceredex Small-Cap Value Equity Fund
Class Name Class A
Trading Symbol SASVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Ceredex Small-Cap Value Equity Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Ceredex Small-Cap Value Equity Fund
Class A / SASVX		 $70 1.46%
Expenses Paid, Amount $ 70
Expense Ratio, Percent 1.46%
Net Assets $ 93,007,000
Holdings Count | Holding 77
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $93,007
Total number of portfolio holdings 77
Portfolio turnover rate as of the end of the reporting period 33%
Holdings [Text Block]
Asset Allocation(1)
Financials 30%
Industrials 21%
Real Estate 10%
Information Technology 10%
Consumer Discretionary 6%
Materials 6%
Energy 6%
Other 11%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181227 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Ceredex Small-Cap Value Equity Fund
Class Name Class C
Trading Symbol STCEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Ceredex Small-Cap Value Equity Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Ceredex Small-Cap Value Equity Fund
Class C / STCEX		 $87 1.81%
Expenses Paid, Amount $ 87
Expense Ratio, Percent 1.81%
Net Assets $ 93,007,000
Holdings Count | Holding 77
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $93,007
Total number of portfolio holdings 77
Portfolio turnover rate as of the end of the reporting period 33%
Holdings [Text Block]
Asset Allocation(1)
Financials 30%
Industrials 21%
Real Estate 10%
Information Technology 10%
Consumer Discretionary 6%
Materials 6%
Energy 6%
Other 11%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000211610 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Ceredex Small-Cap Value Equity Fund
Class Name Class R6
Trading Symbol VVERX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Ceredex Small-Cap Value Equity Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Ceredex Small-Cap Value Equity Fund
Class R6 / VVERX		 $37 0.77%
Expenses Paid, Amount $ 37
Expense Ratio, Percent 0.77%
Net Assets $ 93,007,000
Holdings Count | Holding 77
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $93,007
Total number of portfolio holdings 77
Portfolio turnover rate as of the end of the reporting period 33%
Holdings [Text Block]
Asset Allocation(1)
Financials 30%
Industrials 21%
Real Estate 10%
Information Technology 10%
Consumer Discretionary 6%
Materials 6%
Energy 6%
Other 11%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181228 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Ceredex Small-Cap Value Equity Fund
Class Name Class I
Trading Symbol SCETX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Ceredex Small-Cap Value Equity Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Ceredex Small-Cap Value Equity Fund
Class I / SCETX		 $39 0.82%
Expenses Paid, Amount $ 39
Expense Ratio, Percent 0.82%
Net Assets $ 93,007,000
Holdings Count | Holding 77
Investment Company Portfolio Turnover 33.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $93,007
Total number of portfolio holdings 77
Portfolio turnover rate as of the end of the reporting period 33%
Holdings [Text Block]
Asset Allocation(1)
Financials 30%
Industrials 21%
Real Estate 10%
Information Technology 10%
Consumer Discretionary 6%
Materials 6%
Energy 6%
Other 11%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000203236 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix U.S. Government Securities Ultra-Short Bond Fund
Class Name Class A
Trading Symbol SSAGX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix U.S. Government Securities Ultra-Short Bond Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 U.S. Government Securities Ultra-Short Bond
Fund
Class A / SSAGX		 $33 0.65%
Expenses Paid, Amount $ 33
Expense Ratio, Percent 0.65%
Net Assets $ 403,577,000
Holdings Count | Holding 139
Investment Company Portfolio Turnover 13.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $403,577
Total number of portfolio holdings 139
Portfolio turnover rate as of the end of the reporting period 13%
Holdings [Text Block]
Asset Allocation(1)
Mortgage-Backed Securities 98%
Agency 98%
U.S. Government Security 2%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181192 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix U.S. Government Securities Ultra-Short Bond Fund
Class Name Class I
Trading Symbol SIGVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix U.S. Government Securities Ultra-Short Bond Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 U.S. Government Securities Ultra-Short Bond
Fund
Class I / SIGVX		 $20 0.40%
Expenses Paid, Amount $ 20
Expense Ratio, Percent 0.40%
Net Assets $ 403,577,000
Holdings Count | Holding 139
Investment Company Portfolio Turnover 13.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $403,577
Total number of portfolio holdings 139
Portfolio turnover rate as of the end of the reporting period 13%
Holdings [Text Block]
Asset Allocation(1)
Mortgage-Backed Securities 98%
Agency 98%
U.S. Government Security 2%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181193 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix U.S. Government Securities Ultra-Short Bond Fund
Class Name Class R6
Trading Symbol SIGZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix U.S. Government Securities Ultra-Short Bond Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 U.S. Government Securities Ultra-Short Bond
Fund
Class R6 / SIGZX		 $13 0.26%
Expenses Paid, Amount $ 13
Expense Ratio, Percent 0.26%
Net Assets $ 403,577,000
Holdings Count | Holding 139
Investment Company Portfolio Turnover 13.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $403,577
Total number of portfolio holdings 139
Portfolio turnover rate as of the end of the reporting period 13%
Holdings [Text Block]
Asset Allocation(1)
Mortgage-Backed Securities 98%
Agency 98%
U.S. Government Security 2%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181199 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Ceredex Mid-Cap Value Equity Fund
Class Name Class R6
Trading Symbol SMVZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Ceredex Mid-Cap Value Equity Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Ceredex Mid-Cap Value Equity Fund
Class R6 / SMVZX		 $40 0.79%
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.79%
Net Assets $ 1,558,351,000
Holdings Count | Holding 60
Investment Company Portfolio Turnover 98.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $1,558,351
Total number of portfolio holdings 60
Portfolio turnover rate as of the end of the reporting period 98%
Holdings [Text Block]
Asset Allocation(1)
Industrials 22%
Information Technology 19%
Financials 14%
Real Estate 11%
Utilities 8%
Consumer Discretionary 8%
Materials 7%
Other (includes short-term investment) 11%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181198 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Ceredex Mid-Cap Value Equity Fund
Class Name Class I
Trading Symbol SMVTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Ceredex Mid-Cap Value Equity Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Ceredex Mid-Cap Value Equity Fund
Class I / SMVTX		 $52 1.04%
Expenses Paid, Amount $ 52
Expense Ratio, Percent 1.04%
Net Assets $ 1,558,351,000
Holdings Count | Holding 60
Investment Company Portfolio Turnover 98.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $1,558,351
Total number of portfolio holdings 60
Portfolio turnover rate as of the end of the reporting period 98%
Holdings [Text Block]
Asset Allocation(1)
Industrials 22%
Information Technology 19%
Financials 14%
Real Estate 11%
Utilities 8%
Consumer Discretionary 8%
Materials 7%
Other (includes short-term investment) 11%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181197 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Ceredex Mid-Cap Value Equity Fund
Class Name Class C
Trading Symbol SMVFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Ceredex Mid-Cap Value Equity Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Ceredex Mid-Cap Value Equity Fund
Class C / SMVFX		 $88 1.76%
Expenses Paid, Amount $ 88
Expense Ratio, Percent 1.76%
Net Assets $ 1,558,351,000
Holdings Count | Holding 60
Investment Company Portfolio Turnover 98.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $1,558,351
Total number of portfolio holdings 60
Portfolio turnover rate as of the end of the reporting period 98%
Holdings [Text Block]
Asset Allocation(1)
Industrials 22%
Information Technology 19%
Financials 14%
Real Estate 11%
Utilities 8%
Consumer Discretionary 8%
Materials 7%
Other (includes short-term investment) 11%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181196 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Ceredex Mid-Cap Value Equity Fund
Class Name Class A
Trading Symbol SAMVX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Ceredex Mid-Cap Value Equity Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Ceredex Mid-Cap Value Equity Fund
Class A / SAMVX		 $66 1.31%
Expenses Paid, Amount $ 66
Expense Ratio, Percent 1.31%
Net Assets $ 1,558,351,000
Holdings Count | Holding 60
Investment Company Portfolio Turnover 98.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $1,558,351
Total number of portfolio holdings 60
Portfolio turnover rate as of the end of the reporting period 98%
Holdings [Text Block]
Asset Allocation(1)
Industrials 22%
Information Technology 19%
Financials 14%
Real Estate 11%
Utilities 8%
Consumer Discretionary 8%
Materials 7%
Other (includes short-term investment) 11%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181221 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus SGA International Growth Fund
Class Name Class R6
Trading Symbol SCIZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus SGA International Growth Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 International Growth Fund
Class R6 / SCIZX		 $50 0.96%
Expenses Paid, Amount $ 50
Expense Ratio, Percent 0.96%
Net Assets $ 356,202,000
Holdings Count | Holding 32
Investment Company Portfolio Turnover 18.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $356,202
Total number of portfolio holdings 32
Portfolio turnover rate as of the end of the reporting period 18%
Holdings [Text Block]
Asset Allocation(1)
Information Technology 25%
Health Care 21%
Financials 15%
Consumer Staples 14%
Industrials 12%
Consumer Discretionary 5%
Communication Services 5%
Other 3%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181220 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus SGA International Growth Fund
Class Name Class I
Trading Symbol STITX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus SGA International Growth Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 International Growth Fund
Class I / STITX		 $56 1.06%
Expenses Paid, Amount $ 56
Expense Ratio, Percent 1.06%
Net Assets $ 356,202,000
Holdings Count | Holding 32
Investment Company Portfolio Turnover 18.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $356,202
Total number of portfolio holdings 32
Portfolio turnover rate as of the end of the reporting period 18%
Holdings [Text Block]
Asset Allocation(1)
Information Technology 25%
Health Care 21%
Financials 15%
Consumer Staples 14%
Industrials 12%
Consumer Discretionary 5%
Communication Services 5%
Other 3%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181212 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Silvant Large-Cap Growth Stock Fund
Class Name Class R6
Trading Symbol STCZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Silvant Large-Cap Growth Stock Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Silvant Large-Cap Growth Stock Fund
Class R6 / STCZX		 $37 0.72%
Expenses Paid, Amount $ 37
Expense Ratio, Percent 0.72%
Net Assets $ 231,767,000
Holdings Count | Holding 60
Investment Company Portfolio Turnover 9.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $231,767
Total number of portfolio holdings 60
Portfolio turnover rate as of the end of the reporting period 9%
Holdings [Text Block]
Asset Allocation(1)
Information Technology 48%
Consumer Discretionary 14%
Communication Services 14%
Financials 7%
Health Care 7%
Industrials 6%
Consumer Staples 2%
Other 2%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181211 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Silvant Large-Cap Growth Stock Fund
Class Name Class I
Trading Symbol STCAX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Silvant Large-Cap Growth Stock Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Silvant Large-Cap Growth Stock Fund
Class I / STCAX		 $40 0.77%
Expenses Paid, Amount $ 40
Expense Ratio, Percent 0.77%
Net Assets $ 231,767,000
Holdings Count | Holding 60
Investment Company Portfolio Turnover 9.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $231,767
Total number of portfolio holdings 60
Portfolio turnover rate as of the end of the reporting period 9%
Holdings [Text Block]
Asset Allocation(1)
Information Technology 48%
Consumer Discretionary 14%
Communication Services 14%
Financials 7%
Health Care 7%
Industrials 6%
Consumer Staples 2%
Other 2%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181219 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus SGA International Growth Fund
Class Name Class A
Trading Symbol SCIIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus SGA International Growth Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 International Growth Fund
Class A / SCIIX		 $69 1.31%
Expenses Paid, Amount $ 69
Expense Ratio, Percent 1.31%
Net Assets $ 356,202,000
Holdings Count | Holding 32
Investment Company Portfolio Turnover 18.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $356,202
Total number of portfolio holdings 32
Portfolio turnover rate as of the end of the reporting period 18%
Holdings [Text Block]
Asset Allocation(1)
Information Technology 25%
Health Care 21%
Financials 15%
Consumer Staples 14%
Industrials 12%
Consumer Discretionary 5%
Communication Services 5%
Other 3%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000248388 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus SGA International Growth Fund
Class Name Class C
Trading Symbol VSGEX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus SGA International Growth Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 International Growth Fund
Class C / VSGEX		 $108 2.06%
Expenses Paid, Amount $ 108
Expense Ratio, Percent 2.06%
Net Assets $ 356,202,000
Holdings Count | Holding 32
Investment Company Portfolio Turnover 18.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $356,202
Total number of portfolio holdings 32
Portfolio turnover rate as of the end of the reporting period 18%
Holdings [Text Block]
Asset Allocation(1)
Information Technology 25%
Health Care 21%
Financials 15%
Consumer Staples 14%
Industrials 12%
Consumer Discretionary 5%
Communication Services 5%
Other 3%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181209 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Silvant Large-Cap Growth Stock Fund
Class Name Class A
Trading Symbol STCIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Silvant Large-Cap Growth Stock Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Silvant Large-Cap Growth Stock Fund
Class A / STCIX		 $53 1.03%
Expenses Paid, Amount $ 53
Expense Ratio, Percent 1.03%
Net Assets $ 231,767,000
Holdings Count | Holding 60
Investment Company Portfolio Turnover 9.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $231,767
Total number of portfolio holdings 60
Portfolio turnover rate as of the end of the reporting period 9%
Holdings [Text Block]
Asset Allocation(1)
Information Technology 48%
Consumer Discretionary 14%
Communication Services 14%
Financials 7%
Health Care 7%
Industrials 6%
Consumer Staples 2%
Other 2%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181160 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix High Grade Municipal Bond Fund
Class Name Class A
Trading Symbol SFLTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix High Grade Municipal Bond Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 High Grade Municipal Bond Fund
Class A / SFLTX		 $36 0.73%
Expenses Paid, Amount $ 36
Expense Ratio, Percent 0.73%
Net Assets $ 19,839,000
Holdings Count | Holding 44
Investment Company Portfolio Turnover 34.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $19,839
Total number of portfolio holdings 44
Portfolio turnover rate as of the end of the reporting period 34%
Holdings [Text Block]
Asset Allocation(1)
Municipal Bonds 100%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181161 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix High Grade Municipal Bond Fund
Class Name Class I
Trading Symbol SCFTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix High Grade Municipal Bond Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 High Grade Municipal Bond Fund
Class I / SCFTX		 $29 0.58%
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.58%
Net Assets $ 19,839,000
Holdings Count | Holding 44
Investment Company Portfolio Turnover 34.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $19,839
Total number of portfolio holdings 44
Portfolio turnover rate as of the end of the reporting period 34%
Holdings [Text Block]
Asset Allocation(1)
Municipal Bonds 100%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181170 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix High Yield Fund
Class Name Class R6
Trading Symbol HYIZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix High Yield Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 High Yield Fund
Class R6 / HYIZX		 $27 0.53%
Expenses Paid, Amount $ 27
Expense Ratio, Percent 0.53%
Net Assets $ 407,615,000
Holdings Count | Holding 214
Investment Company Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $407,615
Total number of portfolio holdings 214
Portfolio turnover rate as of the end of the reporting period 38%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 90%
Financials 33%
Consumer Discretionary 12%
Communication Services 8%
Industrials 8%
Materials 8%
Energy 7%
Information Technology 5%
All other Corporate Bonds and Notes 9%
Affiliated Exchange-Traded Fund 5%
Leveraged Loans 1%
Other (includes securities lending collateral) 4%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181168 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix High Yield Fund
Class Name Class A
Trading Symbol HYPSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix High Yield Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 High Yield Fund
Class A / HYPSX		 $41 0.82%
Expenses Paid, Amount $ 41
Expense Ratio, Percent 0.82%
Net Assets $ 407,615,000
Holdings Count | Holding 214
Investment Company Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $407,615
Total number of portfolio holdings 214
Portfolio turnover rate as of the end of the reporting period 38%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 90%
Financials 33%
Consumer Discretionary 12%
Communication Services 8%
Industrials 8%
Materials 8%
Energy 7%
Information Technology 5%
All other Corporate Bonds and Notes 9%
Affiliated Exchange-Traded Fund 5%
Leveraged Loans 1%
Other (includes securities lending collateral) 4%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181169 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix High Yield Fund
Class Name Class I
Trading Symbol SAMHX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix High Yield Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 High Yield Fund
Class I / SAMHX		 $32 0.64%
Expenses Paid, Amount $ 32
Expense Ratio, Percent 0.64%
Net Assets $ 407,615,000
Holdings Count | Holding 214
Investment Company Portfolio Turnover 38.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $407,615
Total number of portfolio holdings 214
Portfolio turnover rate as of the end of the reporting period 38%
Holdings [Text Block]
Asset Allocation(1)
Corporate Bonds and Notes 90%
Financials 33%
Consumer Discretionary 12%
Communication Services 8%
Industrials 8%
Materials 8%
Energy 7%
Information Technology 5%
All other Corporate Bonds and Notes 9%
Affiliated Exchange-Traded Fund 5%
Leveraged Loans 1%
Other (includes securities lending collateral) 4%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181158 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Ceredex Large-Cap Value Equity Fund
Class Name Class R6
Trading Symbol STVZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Ceredex Large-Cap Value Equity Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Ceredex Large-Cap Value Equity Fund
Class R6 / STVZX		 $36 0.72%
Expenses Paid, Amount $ 36
Expense Ratio, Percent 0.72%
Net Assets $ 590,121,000
Holdings Count | Holding 50
Investment Company Portfolio Turnover 67.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $590,121
Total number of portfolio holdings 50
Portfolio turnover rate as of the end of the reporting period 67%
Holdings [Text Block]
Asset Allocation(1)
Industrials 20%
Financials 18%
Information Technology 10%
Consumer Discretionary 10%
Health Care 10%
Energy 6%
Utilities 6%
Other 20%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181155 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Ceredex Large-Cap Value Equity Fund
Class Name Class A
Trading Symbol SVIIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Ceredex Large-Cap Value Equity Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Ceredex Large-Cap Value Equity Fund
Class A / SVIIX		 $63 1.24%
Expenses Paid, Amount $ 63
Expense Ratio, Percent 1.24%
Net Assets $ 590,121,000
Holdings Count | Holding 50
Investment Company Portfolio Turnover 67.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $590,121
Total number of portfolio holdings 50
Portfolio turnover rate as of the end of the reporting period 67%
Holdings [Text Block]
Asset Allocation(1)
Industrials 20%
Financials 18%
Information Technology 10%
Consumer Discretionary 10%
Health Care 10%
Energy 6%
Utilities 6%
Other 20%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181156 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Ceredex Large-Cap Value Equity Fund
Class Name Class C
Trading Symbol SVIFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Ceredex Large-Cap Value Equity Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Ceredex Large-Cap Value Equity Fund
Class C / SVIFX		 $87 1.72%
Expenses Paid, Amount $ 87
Expense Ratio, Percent 1.72%
Net Assets $ 590,121,000
Holdings Count | Holding 50
Investment Company Portfolio Turnover 67.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $590,121
Total number of portfolio holdings 50
Portfolio turnover rate as of the end of the reporting period 67%
Holdings [Text Block]
Asset Allocation(1)
Industrials 20%
Financials 18%
Information Technology 10%
Consumer Discretionary 10%
Health Care 10%
Energy 6%
Utilities 6%
Other 20%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181157 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Ceredex Large-Cap Value Equity Fund
Class Name Class I
Trading Symbol STVTX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Ceredex Large-Cap Value Equity Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Ceredex Large-Cap Value Equity Fund
Class I / STVTX		 $49 0.97%
Expenses Paid, Amount $ 49
Expense Ratio, Percent 0.97%
Net Assets $ 590,121,000
Holdings Count | Holding 50
Investment Company Portfolio Turnover 67.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $590,121
Total number of portfolio holdings 50
Portfolio turnover rate as of the end of the reporting period 67%
Holdings [Text Block]
Asset Allocation(1)
Industrials 20%
Financials 18%
Information Technology 10%
Consumer Discretionary 10%
Health Care 10%
Energy 6%
Utilities 6%
Other 20%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181174 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix Investment Grade Tax-Exempt Bond Fund
Class Name Class I
Trading Symbol STTBX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix Investment Grade Tax-Exempt Bond Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Investment Grade Tax-Exempt Bond Fund
Class I / STTBX		 $25 0.50%
Expenses Paid, Amount $ 25
Expense Ratio, Percent 0.50%
Net Assets $ 118,261,000
Holdings Count | Holding 77
Investment Company Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $118,261
Total number of portfolio holdings 77
Portfolio turnover rate as of the end of the reporting period 29%
Holdings [Text Block]
Asset Allocation(1)
Municipal Bonds 100%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181173 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix Investment Grade Tax-Exempt Bond Fund
Class Name Class A
Trading Symbol SISIX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix Investment Grade Tax-Exempt Bond Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Investment Grade Tax-Exempt Bond Fund
Class A / SISIX		 $33 0.67%
Expenses Paid, Amount $ 33
Expense Ratio, Percent 0.67%
Net Assets $ 118,261,000
Holdings Count | Holding 77
Investment Company Portfolio Turnover 29.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $118,261
Total number of portfolio holdings 77
Portfolio turnover rate as of the end of the reporting period 29%
Holdings [Text Block]
Asset Allocation(1)
Municipal Bonds 100%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181188 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix Total Return Bond Fund
Class Name Class I
Trading Symbol SAMFX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix Total Return Bond Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Total Return Bond Fund
Class I / SAMFX		 $23 0.46%
Expenses Paid, Amount $ 23
Expense Ratio, Percent 0.46%
Net Assets $ 109,914,000
Holdings Count | Holding 131
Investment Company Portfolio Turnover 70.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $109,914
Total number of portfolio holdings 131
Portfolio turnover rate as of the end of the reporting period 70%
Holdings [Text Block]
Asset Allocation(1)
Mortgage-Backed Securities 37%
Agency 37%
U.S. Government Securities 36%
Corporate Bonds and Notes 20%
Financials 9%
Industrials 3%
Consumer Discretionary 2%
All other Corporate Bonds and Notes 6%
Asset-Backed Securities 6%
Other 3%
Credit Card 2%
Automobiles 1%
Securities Lending Collateral 1%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181189 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix Total Return Bond Fund
Class Name Class R6
Trading Symbol SAMZX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix Total Return Bond Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Total Return Bond Fund
Class R6 / SAMZX		 $16 0.31%
Expenses Paid, Amount $ 16
Expense Ratio, Percent 0.31%
Net Assets $ 109,914,000
Holdings Count | Holding 131
Investment Company Portfolio Turnover 70.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $109,914
Total number of portfolio holdings 131
Portfolio turnover rate as of the end of the reporting period 70%
Holdings [Text Block]
Asset Allocation(1)
Mortgage-Backed Securities 37%
Agency 37%
U.S. Government Securities 36%
Corporate Bonds and Notes 20%
Financials 9%
Industrials 3%
Consumer Discretionary 2%
All other Corporate Bonds and Notes 6%
Asset-Backed Securities 6%
Other 3%
Credit Card 2%
Automobiles 1%
Securities Lending Collateral 1%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.
C000181187 [Member]  
Shareholder Report [Line Items]  
Fund Name Virtus Seix Total Return Bond Fund
Class Name Class A
Trading Symbol CBPSX
Annual or Semi-Annual Statement [Text Block] This semi-annual shareholder report contains important information about the Virtus Seix Total Return Bond Fund (“Fund”) for the period of January 1, 2025 to June 30, 2025.
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 Total Return Bond Fund
Class A / CBPSX		 $35 0.70%
Expenses Paid, Amount $ 35
Expense Ratio, Percent 0.70%
Net Assets $ 109,914,000
Holdings Count | Holding 131
Investment Company Portfolio Turnover 70.00%
Additional Fund Statistics [Text Block]
KEY FUND STATISTICS (as of June 30, 2025)
Fund net assets (‘000s) $109,914
Total number of portfolio holdings 131
Portfolio turnover rate as of the end of the reporting period 70%
Holdings [Text Block]
Asset Allocation(1)
Mortgage-Backed Securities 37%
Agency 37%
U.S. Government Securities 36%
Corporate Bonds and Notes 20%
Financials 9%
Industrials 3%
Consumer Discretionary 2%
All other Corporate Bonds and Notes 6%
Asset-Backed Securities 6%
Other 3%
Credit Card 2%
Automobiles 1%
Securities Lending Collateral 1%
Total 100%
​(1)
Percentage of total investments as of June 30, 2025.