Minimum amount of net capital required to be maintained by broker-dealer parent, calculated under Aggregate Indebtedness Standard.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Rule 15c3-1
-Number 240
-Section 15c3-1
-Publisher SEC

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Cash deposited in a special reserve account for the exclusive benefit of customers pursuant to SEC Regulations.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Section 50
-Paragraph 1
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Cash deposited in a special reserve account for the exclusive benefit of customers pursuant to regulations other than SEC Regulations and the Commodity Exchange Act.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
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Percent, after disposal, of ownership interest of a discontinued operation in which an equity method investment is retained.

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The amount of deposits held by branches of foreign institutions.

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-SubTopic 505
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The amount of reserves held by branches of foreign institutions.

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Percentage Of NYSE Transaction Dollar Volume

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Represents the amount of minimum net capital required to be maintained by the entity under the exchange act.

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Required Net Capital Under Exchange Act For Every Transaction Dollar Volume

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Regulatory Requirement - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	May 31, 2025	Dec. 31, 2025	Dec. 31, 2024
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Ownership interest after disposal	49.00%
Virtu Financial Capital Markets Llc
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Minimum capital required to be maintained in connection with the operation of the company's DMM business		$ 1,200
Required amount under exchange rules		1,000
Required amount under exchange rules for every 0.1% NYSE transaction dollar volume		$ 75
Percentage of NYSE transaction dollar volume		0.10%
VAL
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Cash in special reserve bank accounts for the benefit of customers		$ 55,500	$ 34,900
Cash in reserve bank accounts for the benefit of proprietary accounts of brokers		8,700	6,400
Virtu Europe Trading Limited
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Deposit funds for trade		300	37
Virtu ITG Hong Kong Limited
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Capital settlement		$ 30	$ 30