XML 123 R107.htm IDEA: XBRL DOCUMENT
v3.19.1

Capital Structure - Employee Exchanges (Details) | 3 Months Ended
--- | ---
Mar. 31, 2019 shares | Mar. 31, 2018 shares
Virtu Financial |  |
Class of Stock [Line Items] |  |
Ownership interest (as a percent) | 57.00% |
VFH |  |
Class of Stock [Line Items] |  |
Common stock exchange ratio | 1 |
VFH | Class A |  |
Class of Stock [Line Items] |  |
Issuance of common stock in connection with employee exchanges (in shares) | 240,000 | 795,521

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: |