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v3.22.2.2

Subsequent Events (Details) $ in Billions | Sep. 30, 2022 USD ($)
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AlphaSimplex Group, LLC | Plan | AlphaSimplex Group, LLC |
Subsequent Event [Line Items] |
Assets under management, carrying amount | $ 10.9

X
- Definition The carrying amount of assets an investment adviser manages on behalf of investors. + References No definition available. + Details
Name: | us-gaap_AssetsUnderManagementCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=vrts_AlphaSimplexGroupLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=us-gaap_ScenarioPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=vrts_AlphaSimplexGroupLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |