XML 149 R124.htm IDEA: XBRL DOCUMENT v3.20.4

Capital Structure - Employee Exchanges (Details)	12 Months Ended
	Dec. 31, 2020 shares	Dec. 31, 2019 shares	Dec. 31, 2018 shares
Virtu Financial
Class of Stock [Line Items]
Ownership interest	64.10%
VFH
Class of Stock [Line Items]
Common stock exchange ratio	1
VFH | Class A common stock
Class of Stock [Line Items]
Issuance of common stock in connection with employee exchanges (in shares)	2,660,239	840,839	3,919,462

X

- Definition

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.

+ References

No definition available.

+ Details

Name:	us-gaap_ClassOfStockLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Ratio applied in exchange of shares.

+ References

No definition available.

+ Details

Name:	virt_CommonStockExchangeRatio
Namespace Prefix:	virt_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Stock Issued During Period, Shares, Employee Exchanges

+ References

No definition available.

+ Details

Name:	virt_StockIssuedDuringPeriodSharesEmployeeExchanges
Namespace Prefix:	virt_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=virt_VirtuFinancialLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=virt_VFHParentLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: