XML 16 R1.htm IDEA: XBRL DOCUMENT v3.10.0.1
Document and Entity Information - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Mar. 01, 2019
Jun. 30, 2018
Entity Information [Line Items]      
Entity Registrant Name Virtu Financial, Inc.    
Entity Central Index Key 0001592386    
Document Type 10-K    
Document Period End Date Dec. 31, 2018    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Entity Filer Category Large Accelerated Filer    
Entity Emerging Growth Company false    
Entity Small Business false    
Entity Shell Company false    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Document Fiscal Year Focus 2018    
Document Fiscal Period Focus FY    
Entity Public Float     $ 1,770.2
Class A      
Entity Information [Line Items]      
Entity Common Stock, Shares Outstanding   107,284,814  
Class C      
Entity Information [Line Items]      
Entity Common Stock, Shares Outstanding   13,509,886  
Class D      
Entity Information [Line Items]      
Entity Common Stock, Shares Outstanding   69,091,740