Document and Entity Information - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Feb. 28, 2020
Jun. 28, 2019
Document Information [Line Items]      
Entity Registrant Name Victory Capital Holdings, Inc.    
Entity Central Index Key 0001570827    
Document Type 10-K    
Document Period End Date Dec. 31, 2019    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Accelerated Filer    
Entity Public Float     $ 258
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Entity Ex Transition Period false    
Entity Interactive Data Current Yes    
Entity Small Business false    
Entity Emerging Growth Company true    
Entity Shell Company false    
Title of 12(b) Security Class A Common Stock, $0.01 Par Value    
Trading Symbol VCTR    
Security Exchange Name NASDAQ    
Entity Tax Identification Number 32-0402956    
Entity File Number 001-38388    
Entity Incorporation, State or Country Code DE    
Entity Address, Address Line One 15935 La Cantera Parkway    
Entity Address, City or Town San Antonio    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 78256    
City Area Code 216    
Local Phone Number 898-2400    
Document Annual Report true    
Document Transition Report false    
Documents Incorporated by Reference

Portions of the registrant’s proxy statement related to its 2020 Annual Stockholders’ Meeting to be filed within 120 days of the end of the fiscal year ended December 31, 2019, are incorporated by reference into Part III hereof. Except with respect to information specifically incorporated by reference in this Annual Report on Form 10-K, the registrant’s proxy statement is not deemed to be filed as part hereof.

   
Class A      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   16,636,811  
Class B      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   51,256,188