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Regulatory Requirement - Narrative (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 USD ($) broker_dealer | Nov. 03, 2017 broker_dealer
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Number of broker-dealer subsidiaries | broker_dealer | 5 | 3
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 | $ 1,150,000 |
Required amount under exchange rules | 1,000,000 |
Required amount under exchange rules for every 0.1% NYSE transaction dollar volume | $ 75,000 |
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 | $ 2,000,000 |
Cash in reserve bank accounts for the benefit of proprietary accounts of brokers | 1,000,000 |
VITG |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Cash in special reserve bank accounts for the benefit of customers | 7,400,000 |
Cash in reserve bank accounts for the benefit of proprietary accounts of brokers | $ 4,400,000 |

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- Definition Cash deposited in a special reserve account for the exclusive benefit of customers pursuant to SEC Regulations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 305 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6478312&loc=d3e61473-112792 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 305 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6478312&loc=d3e61473-112792 + Details
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- 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
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- Definition Minimum amount of net capital required to be maintained by the entity to engage in securities transactions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher SEC -Name Rule 15c3-1 -Number 240 -Section 15c3-1 + Details
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- Definition Represents the number of broker-dealer subsidiaries of the entity. + References No definition available. + Details
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- Definition Percentage Of NYSE Transaction Dollar Volume + References No definition available. + Details
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- Definition Represents the amount of minimum net capital required to be maintained by the entity under the exchange act. + References No definition available. + Details
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- Definition Required Net Capital Under Exchange Act For Every Transaction Dollar Volume + References No definition available. + Details
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- Details
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- Details
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- Details
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