Regulatory Requirement - Narrative (Details) |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2018
USD ($)
broker_dealer
|
Dec. 31, 2017
USD ($)
|
Nov. 03, 2017
broker_dealer
|
|
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] | |||
Regulatory capital | $ 1,000,000.0 | ||
Number of broker-dealer subsidiaries | broker_dealer | 3 | 3 | |
Virtu Financial Capital Markets LLC | |||
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] | |||
Regulatory capital | $ 9,457,000 | $ 8,308,000 | |
Minimum capital required to be maintained in connection with the operation of the Company's DMM business | 1,000,000 | $ 4,100,000 | |
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% |