XML 17 R1.htm IDEA: XBRL DOCUMENT v3.25.0.1
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2024
Feb. 21, 2025
Jun. 30, 2024
Document Information:      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Document Transition Report false    
Entity File Number 001-39413    
Entity Registrant Name Vertex, Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 23-2081753    
Entity Address, Address Line One 2301 Renaissance Blvd    
Entity Address, City or Town King of Prussia    
Entity Address State Or Province PA    
Entity Address, Postal Zip Code 19406    
City Area Code 800    
Local Phone Number 355-3500    
Title of 12(b) Security Class A Common Stock, Par Value $0.001 Per Share    
Trading Symbol VERX    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 2,080,796,194
Entity Central Index Key 0001806837    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Amendment Flag false    
Auditor Name Crowe LLP    
Auditor Location Oakbrook Terrace, Illinois    
Auditor Firm ID 173    
Class A      
Document Information:      
Entity Common Stock, Shares Outstanding   71,702,437  
Class B      
Document Information:      
Entity Common Stock, Shares Outstanding   86,480,641