v3.26.3
Cover
Sep. 20, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Sep. 20, 2026
Entity File Number 001-09025
Entity Registrant Name VISTA GOLD CORP.
Entity Central Index Key 0000783324
Entity Tax Identification Number 00-0000000
Entity Incorporation, State or Country Code A1
Entity Address, Address Line One 8310 South Valley Highway
Entity Address, Address Line Two Suite 300
Entity Address, City or Town Englewood
Entity Address, State or Province CO
Entity Address, Postal Zip Code 80112
City Area Code 720
Local Phone Number 981-1185
Written Communications false
Soliciting Material true
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Shares
Trading Symbol VGZ
Security Exchange Name NYSEAMER
Entity Emerging Growth Company false