XML 37 R1.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Cover Page - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2019
Feb. 24, 2020
Jun. 30, 2019
Cover page.      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2019    
Document Transition Report false    
Entity File Number 001-34018    
Entity Registrant Name GRAN TIERRA ENERGY INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 98-0479924    
Entity Address, Address Line One 900, 520 - 3 Avenue SW    
Entity Address, City or Town Calgary,    
Entity Address, State or Province AB    
Entity Address, Country CA    
Entity Address, Postal Zip Code T2P 0R3    
City Area Code 403    
Local Phone Number 265-3221    
Title of 12(b) Security Common Stock, par value $0.001 per share    
Trading Symbol GTE    
Security Exchange Name NYSEAMER    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 0.5
Entity Common Stock, Shares Outstanding   366,981,556  
Documents Incorporated by Reference
The information required by Part III of this report, to the extent not set forth herein, is incorporated by reference from the registrant’s definitive proxy statement relating to the 2020 annual meeting of stockholders, which definitive proxy statement will be filed with the Securities and Exchange Commission within 120 days after December 31, 2019.
    
Entity Central Index Key 0001273441    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Amendment Flag false