Share Capital - Schedule of Common Stock (Details)	12 Months Ended
	Dec. 31, 2015 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning balance	276,072,351
Options exercised	390,000
Ending balance	273,442,799
Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning balance	276,072,351
Options exercised	390,000
Shares repurchased and canceled	(4,567,136)
Exchange of exchangeable shares	1,547,595
Shares canceled	(11)
Ending balance	273,442,799
Gran Tierra Exchangeco Inc [Member] | Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning balance	5,595,118.000
Options exercised	0
Shares repurchased and canceled	0
Exchange of exchangeable shares	(661,857)
Shares canceled	(84)
Ending balance	4,933,177
Gran Tierra Goldstrike Inc [Member] | Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning balance	4,524,627
Options exercised	0
Shares repurchased and canceled	0
Exchange of exchangeable shares	(885,738)
Shares canceled	0
Ending balance	3,638,889