XML 19 R1.htm IDEA: XBRL DOCUMENT v3.8.0.1
Document and Entity Information - shares
 3 Months Ended
Mar. 31, 2018
May 07, 2018
Entity Information [Line Items]    
Entity Registrant Name Virtu Financial, Inc.  
Entity Central Index Key 0001592386  
Document Type 10-Q  
Document Period End Date Mar. 31, 2018  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q1  
Class A    
Entity Information [Line Items]    
Entity Common Stock, Shares Outstanding   91,512,582
Class C    
Entity Information [Line Items]    
Entity Common Stock, Shares Outstanding   17,043,963
Class D    
Entity Information [Line Items]    
Entity Common Stock, Shares Outstanding   79,610,490