v3.26.1
Cover - shares
 6 Months Ended
Jun. 30, 2026
Jul. 31, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Commission File Number 001-42841  
Entity Registrant Name VIA TRANSPORTATION, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 45-5372621  
Entity Address, Address Line One 114 5th Ave, 17th Floor  
Entity Address, City New York  
Entity Address, State NY  
Entity Address, Postal Zip Code 10011  
City Area Code 917  
Local Phone Number 877-0915  
Title of 12(b) Security Class A common stock, par value $0.00001 per share  
Trading Symbol VIA  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business false  
Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Central Index Key 0001603015  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document fiscal Period Focus Q2  
Class A Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   77,659,430
Class B Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   3,846,183