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Receivables from/Payables to Broker-Dealers and Clearing Organizations - Narrative (Details) - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024
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Due to and from Broker-Dealers and Clearing Organizations [Abstract] |  |
Outstanding principal balance | $ 203.8 | $ 123.0

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Represents the carrying value of the outstanding principal balance on all of the entity's short-term credit facilities. + References No definition available. + Details
Name: | virt_ShortTermCreditFacilities
Namespace Prefix: | virt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant