XML 67 R52.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Financial Assets and Liabilities - Gross Obligations For Securities Lending Transactions (Details) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Fair value measurements measured on a recurring basis |  |
Remaining contractual maturity for repurchase agreements |  | $ 222,203
Remaining contractual maturity for securities lending transactions | $ 423,672 |
Overnight and Continuous |  |
Fair value measurements measured on a recurring basis |  |
Remaining contractual maturity for repurchase agreements |  | 222,203
Remaining contractual maturity for securities lending transactions | 423,672 |
Equity securities |  |
Fair value measurements measured on a recurring basis |  |
Remaining contractual maturity for repurchase agreements |  | 222,203
Remaining contractual maturity for securities lending transactions | 423,672 |
Equity securities | Overnight and Continuous |  |
Fair value measurements measured on a recurring basis |  |
Remaining contractual maturity for repurchase agreements |  | $ 222,203
Remaining contractual maturity for securities lending transactions | $ 423,672 |

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_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Remaining contractual maturity for repurchase agreements. + References No definition available. + Details
Name: | virt_RepurchaseAgreementRemainingContractualMaturity
Namespace Prefix: | virt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Remaining contractual maturity for securities lending transactions. + References No definition available. + Details
Name: | virt_SecuritiesLendingTransactionRemainingContractualMaturity
Namespace Prefix: | virt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_AssetsSoldUnderAgreementsToRepurchaseMaturityPeriodsAxis=virt_OvernightAndContinuousMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |