v3.26.3
Document and Entity Information
Oct. 09, 2026
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0001273441
Document Type 8-K
Document Period End Date Oct. 09, 2026
Entity Registrant Name GRAN TIERRA ENERGY INC.
Entity Incorporation State Country Code DE
Entity File Number 001-34018
Entity Tax Identification Number 98-0479924
Entity Address, Address Line One 500 Centre Street S.E.
Entity Address, City or Town Calgary
Entity Address, State or Province AB
Entity Address, Country CA
Entity Address, Postal Zip Code T2G 1A6
City Area Code (403)
Local Phone Number 265-3221
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, par value $0.01 per share
Trading Symbol GTE
Security Exchange Name NYSEAMER
Entity Emerging Growth Company false