Accounting Policies [Abstract]
Net decrease in cash, cash equivalents and restricted cash and cash equivalents
Cash, Cash Equivalents, Restricted Cash And Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
Net decrease in cash and cash equivalents currently disclosed
Cash and Cash Equivalents, Period Increase (Decrease)
Property, Plant and Equipment [Abstract]
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Business Acquisition [Axis]
Business Acquisition [Axis]
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
PGC
PGC [Member]
PGC [Member]
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Cost of asset acquisition:
Business Combination, Consideration Transferred [Abstract]
Cash
Payments to Acquire Businesses, Gross
Allocation of Consideration Paid:
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Oil and gas properties
Oil and Gas Property [Abstract]
Proved
Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Oil and Gas Properties, Proved
Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Oil and Gas Properties, Proved
Unproved
Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Oil and Gas Properties, Unproved
Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Oil and Gas Properties, Unproved
Oil and gas properties
Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Oil and Gas Properties
Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Oil and Gas Properties
Net working capital (including cash acquired of $0.2 million and restricted cash of $18.6 million)
Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Working Capital
Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Working Capital
Cash acquired
Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents
Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents
Restricted cash acquired
Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Restricted Cash, Current
Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Restricted Cash, Current
Long-term deferred tax liability
Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent
Asset Acquisition, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent
Consideration paid
Asset Acquisition, Consideration Transferred
Asset Acquisition, Consideration Transferred
Fair Value Disclosures [Abstract]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Derivative Instrument [Axis]
Derivative Instrument [Axis]
Derivative Contract [Domain]
Derivative Contract [Domain]
Commodity price derivative loss
Commodity Contract [Member]
Foreign currency derivatives (gain) loss
Foreign Exchange Contract [Member]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities loss
Trading Gain (Loss)
Derivatives
Derivative, Gain (Loss) on Derivative, Net
Financial instruments loss
Gain (Loss) on Investments and Derivative Instruments, Net, Pretax
Gain (Loss) on Investments and Derivative Instruments, Net, Pretax
Statement of Financial Position [Abstract]
Common shares, issued
Common Stock, Shares, Issued
Common shares, outstanding
Common Stock, Shares, Outstanding
Exchangeable shares, issued
Common Shares Exchangeable Shares Issued
Common Shares, Exchangeable Shares, Issued
Exchangeable shares, outstanding
Common Shares Exchangeable Shares Outstanding
Common Shares Exchangeable Shares Outstanding
Common shares, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share
Financial Instruments, Fair Value Measurement, Credit Risk and Foreign Exchange Risk
Fair Value Disclosures [Text Block]
Asset Retirement Obligation Disclosure [Abstract]
Asset Retirement Obligation
Asset Retirement Obligation Disclosure [Text Block]
Discontinued Operations and Disposal Groups [Abstract]
Disposal Groups, Including Discontinued Operations [Table]
Disposal Groups, Including Discontinued Operations [Table]
Disposal Group Classification [Axis]
Disposal Group Classification [Axis]
Disposal Group Classification [Domain]
Disposal Group Classification [Domain]
Discontinued Operations, Disposed of by Sale
Discontinued Operations, Disposed of by Sale [Member]
Disposal Group Name [Axis]
Disposal Group Name [Axis]
Disposal Group Name [Domain]
Disposal Group Name [Domain]
Argentina business unit
Argentina Business Unit [Member]
Argentina Business Unit [Member]
Counterparty Name [Axis]
Counterparty Name [Axis]
Counterparty Name [Domain]
Counterparty Name [Domain]
GTE ULC and PCESA
Gran Tierra Argentina Holdings ULC and Petroleros Canadienses de Ecuador S.A. [Member]
Gran Tierra Argentina Holdings ULC and Petroleros Canadienses de Ecuador S.A. [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Aggregate consideration
Disposal Group, Including Discontinued Operation, Consideration
Cash received
Proceeds from Divestiture of Businesses
Value of shares received
Noncash or Part Noncash Divestiture, Amount of Consideration Received
Commitments and Contingencies Disclosure [Abstract]
Schedule of Contractual Obligations [Table]
Unrecorded Unconditional Purchase Obligation [Table]
Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis]
Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis]
Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain]
Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain]
Oil transportation services
Oil transportation services [Member]
This element represents the future minimum payments due on Oil transportation services.
Drilling, completions and seismic
Drilling and geological and geophysical [Member]
This element represents the future minimum payments due on drilling and geological and geophysical services.
Operating leases
Operating leases [Member]
This element represents the future minimum payments due on operating leases.
Software and telecommunication
Software and telecommunication [Member]
This element represents the future minimum payments due on software and telecommunication leases.
Unrecorded Unconditional Purchase Obligation [Line Items]
Total
Purchase Obligations, Firm Agreements and Leases
Purchase Obligations, Firm Agreements and Leases
2017
Purchase Obligations, Firm Agreements and Leases, Due in Next Twelve Months
Purchase Obligations, Firm Agreements and Leases, Due in Next Twelve Months
2018
Purchase Obligations, Firm Agreements and Leases, Due within Two Years
Purchase Obligations, Firm Agreements and Leases, Due within Two Years
2019
Purchase Obligations, Firm Agreements and Leases, Due within Three Years
Purchase Obligations, Firm Agreements and Leases, Due within Three Years
2020
Purchase Obligations, Firm Agreements and Leases, Due within Four Years
Purchase Obligations, Firm Agreements and Leases, Due within Four Years
2021
Purchase Obligations, Firm Agreements and Leases, Due within Five Years
Purchase Obligations, Firm Agreements and Leases, Due within Five Years
Thereafter
Purchase Obligations, Firm Agreements and Leases, Due after Five Years
Purchase Obligations, Firm Agreements and Leases, Due after Five Years
Document and Entity Information [Abstract]
Document and Entity Information [Abstract]
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Well-known Seasoned Issuer
Entity Well-known Seasoned Issuer
Entity Voluntary Filers
Entity Voluntary Filers
Entity Current Reporting Status
Entity Current Reporting Status
Entity Filer Category
Entity Filer Category
Entity Public Float
Entity Public Float
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Document Type
Document Type
Amendment Flag
Amendment Flag
Document Period End Date
Document Period End Date
Payables and Accruals [Abstract]
Trade
Accounts Payable, Trade
Royalties
Accrued Royalties
Employee compensation and severance
Employee-related Liabilities
Other
Other Accrued Liabilities
Total
Accounts Payable and Accrued Liabilities
Significant Accounting Policies
Significant Accounting Policies [Text Block]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Description of Business
Nature of Operations [Text Block]
Debt Disclosure [Abstract]
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-term Debt Instruments [Table]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Domain]
Long-term Debt, Type [Domain]
Convertible senior notes
Convertible Debt [Member]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Contractual interest and other financing expenses
Interest Expense, Debt, Excluding Amortization
Amortization of debt issuance costs
Amortization of Debt Issuance Costs
Interest expense
Interest Expense, Debt
Total rent expense
Operating Leases, Rent Expense
Promissory notes as security for letters of credit
Debt Instrument, Collateral, Promissory Notes Provided as Collateral for Letters of Credit
Debt Instrument, Collateral, Promissory Notes Provided as Collateral for Letters of Credit
Loss Contingencies [Table]
Litigation Status [Axis]
Litigation Status [Axis]
Litigation Status [Domain]
Litigation Status [Domain]
Settled Litigation Moqueta Discovery
Settled Litigation Moqueta Discovery [Member]
Settled Litigation Moqueta Discovery [Member]
Pending Litigation Royalty, Transportation and Related Costs
Pending Litigation Royalty, Transportation and Related Costs [Member] [Member]
Pending Litigation Royalty, Transportation and Related Costs [Member] [Member]
Loss Contingencies [Line Items]
Total cumulative production of oil field (in barrels of oil)
Total cumulative production of oil field
The number of barrel of oil equivalents (BOE) which is a measurement used by oil and gas companies as a way of combining oil and natural gas reserves and production into a single measurement. Natural gas volumes are converted to BOE based on the energy content of 6,000 cubic feet of gas to one barrel of oil.
Estimated compensation which would be payable if interpretation is correct
Loss Contingency, Damages Sought, Value
Amount accrued for improbable loss
Loss Contingency Accrual
Statement of Cash Flows [Abstract]
Operating Activities
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Net loss
Net Income (Loss) Attributable to Parent
Adjustments to reconcile net loss to net cash provided by operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depletion, depreciation and accretion (Note 5)
Results of Operations, Depreciation, Depletion, Amortization and Accretion
Asset impairment
Asset Impairment Charges
Deferred tax (recovery) expense (Note 11)
Deferred Income Taxes and Tax Credits
Stock-based compensation (Note 9)
Share-based Compensation
Amortization of debt issuance costs (Note 8)
Cash settlement of restricted share units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Share-based Liabilities Paid
Unrealized foreign exchange gain
Foreign Currency Transaction Gain (Loss), Unrealized
Financial instruments loss (Note 14)
Cash settlement of financial instruments
Cash Settlement of Financial Instruments
Cash Settlement of Financial Instruments
Cash settlement of asset retirement obligation (Note 10)
Asset Retirement Obligation, Cash Paid to Settle
Other gain (Note 3)
Other Nonrecurring Income
Equity tax
Foreign Equity tax
Foreign tax payable based on balance sheet equity for tax purposes
Loss from discontinued operations, net of income taxes (Note 4)
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest
Net change in assets and liabilities from operating activities of continuing operations (Note 16)
Increase (Decrease) in Operating Capital
Net cash provided by operating activities of continuing operations
Net Cash Provided by (Used in) Operating Activities, Continuing Operations
Net cash used in operating activities of discontinued operations
Cash Provided by (Used in) Operating Activities, Discontinued Operations
Net cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities
Investing Activities
Net Cash Provided by (Used in) Investing Activities [Abstract]
(Increase) decrease in restricted cash
Increase (Decrease) in Restricted Cash
Additions to property, plant and equipment, excluding corporate acquisition (Note 5)
Payments to Acquire Oil and Gas Property and Equipment
Additions to property, plant and equipment - acquisition of PetroGranada (Note 7)
Asset Acquisition, Net Purchase Price
Asset Acquisition, Net Purchase Price
Cash paid for business combinations, net of cash acquired (Note 3)
Payments to Acquire Businesses, Net of Cash Acquired
Proceeds from the sale of oil and gas properties (Note 7)
Proceeds from Sale of Oil and Gas Property and Equipment
Proceeds from sale of marketable securities (Note 14)
Proceeds from Sale and Maturity of Marketable Securities
Changes in non-cash investing working capital
Increase (Decrease) in Investing Working Capital
Increase (Decrease) in Investing Working Capital
Net cash used in investing activities of continuing operations
Net Cash Provided by (Used in) Investing Activities, Continuing Operations
Proceeds from sale of Argentina business unit, net of cash sold and transaction costs
Proceeds from Divestiture of Businesses, Net of Cash Divested
Net cash used in investing activities of discontinued operations
Payments for Investing Activities, Discontinued Operations
Payments for Investing Activities, Discontinued Operations
Net cash provided by investing activities of discontinued operations
Cash Provided by (Used in) Investing Activities, Discontinued Operations
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
Financing Activities
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from issuance of shares of Common Stock, net of issuance costs (Note 9)
Proceeds from Issuance of Common Stock
Proceeds from issuance of subscription receipts, net of issuance costs (Note 9)
Proceeds From Issuance Of Subscription Receipts, Net Of Issuance Costs
Proceeds From Issuance Of Subscription Receipts, Net Of Issuance Costs
Proceeds from issuance of Convertible Senior Notes, net of issuance costs (Note 8)
Proceeds From Convertible Debt, Net Of Issuance Costs
Proceeds From Convertible Debt, Net Of Issuance Costs
Proceeds from other debt, net of issuance costs (Note 8)
Proceeds from Debt, Net of Issuance Costs
Repayment of debt (Note 8)
Repayments of Long-term Debt
Repurchase of shares of Common Stock (Note 9)
Payments for Repurchase of Common Stock
Net cash provided by (used in) financing activities
Net Cash Provided by (Used in) Financing Activities
Foreign exchange gain (loss) on cash and cash equivalents
Effect of Exchange Rate on Cash and Cash Equivalents
Net decrease in cash and cash equivalents
Cash and cash equivalents, beginning of year
Cash and Cash Equivalents, at Carrying Value
Cash and cash equivalents, end of year
Credit Facility [Axis]
Credit Facility [Axis]
Credit Facility [Domain]
Credit Facility [Domain]
Revolving Credit Facility
Revolving Credit Facility [Member]
Revolving credit facility
Line of Credit [Member]
Long-term debt, gross
Long-term Debt, Gross
Unamortized debt issuance costs
Debt Issuance Costs, Net
Long-term debt
Long-term Debt
Schedule of Future Minimum Payments Under Non-Cancelable Agreements
Schedule of Contractual Obligations Future Lease Payments [Table Text Block]
Tabular disclosure of future minimum contractual obligations as of the date of the latest balance sheet presented.
Business Combinations [Abstract]
Business Combinations
Business Combination Disclosure [Text Block]
ASSETS
Assets [Abstract]
Current Assets
Assets, Current [Abstract]
Cash and cash equivalents
Restricted cash and cash equivalents (Notes 3, 7 and 10)
Restricted Cash and Cash Equivalents, Current
Accounts receivable (Note 6)
Accounts Receivable, Net, Current
Marketable securities (Note 14)
Marketable Securities, Current
Derivatives (Note 14)
Derivative Instruments in Hedges, Assets, at Fair Value
Inventory (Note 6)
Inventory, Net
Taxes receivable
Income Taxes Receivable, Current
Prepaid taxes (Note 11)
Prepaid Taxes, Current
Prepaid Taxes, Current
Other prepaids
Other Prepaid Expense, Current
Total Current Assets
Assets, Current
Oil and Gas Properties (using the full cost method of accounting)
Oil and Gas Properties (using the full cost method of accounting) [Abstract]
-- None. No documentation exists for this element. --
Proved
Capitalized Costs, Proved Properties
Unproved
Capitalized Costs, Unproved Properties
Total Oil and Gas Properties
Oil and Gas Property, Full Cost Method, Net
Other capital assets
Property, Plant and Equipment, Other, Net
Total Property, Plant and Equipment
Property, Plant and Equipment, Net
Other Long-Term Assets
Assets, Noncurrent [Abstract]
Deferred tax assets (Note 11)
Deferred Tax Assets, Gross, Noncurrent
Prepaid taxes (Note 11)
Prepaid Taxes, Noncurrent
Prepaid Taxes, Noncurrent
Other long-term assets
Other Assets, Noncurrent
Goodwill (Note 5)
Goodwill
Total Other Long-Term Assets
Total Other Long Term Assets
Total Other Long Term Assets
Total Assets (Note 5)
Assets
LIABILITIES AND SHAREHOLDERS’ EQUITY
Liabilities and Equity [Abstract]
Current Liabilities
Liabilities, Current [Abstract]
Accounts payable and accrued liabilities (Note 12)
Accounts Payable and Accrued Liabilities, Current
Derivatives (Note 14)
Derivative Liability, Current
Taxes payable (Note 11)
Taxes Payable, Current
Asset retirement obligation (Note 10)
Asset Retirement Obligation, Current
Total Current Liabilities
Liabilities, Current
Long-Term Liabilities
Liabilities, Noncurrent [Abstract]
Long-term debt (Notes 8 and 14)
Long-term Debt, Excluding Current Maturities
Deferred tax liabilities (Note 11)
Deferred Tax Liabilities, Net, Noncurrent
Asset retirement obligation (Note 10)
Asset Retirement Obligations, Noncurrent
Other long-term liabilities
Other Liabilities, Noncurrent
Total Long-Term Liabilities
Liabilities, Noncurrent
Commitments and Contingencies (Note 13)
Commitments and Contingencies
Shareholders’ Equity
Stockholders' Equity Attributable to Parent [Abstract]
Common Stock (Note 9) (390,807,194 and 273,442,799 shares of Common Stock and 8,199,894 and 8,572,066 exchangeable shares, par value $0.001 per share, issued and outstanding as at December 31, 2016 and December 31, 2015, respectively)
Common Stock, Value, Issued
Additional paid in capital
Additional Paid in Capital
Deficit
Retained Earnings (Accumulated Deficit)
Total Shareholders’ Equity
Stockholders' Equity Attributable to Parent
Total Liabilities and Shareholders’ Equity
Liabilities and Equity
Supplemental Cash Flow Elements [Abstract]
Cash paid for income taxes
Income Taxes Paid
Cash paid for interest
Interest Paid
Non-cash investing activities:
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Net liabilities related to property, plant and equipment, end of year
Liabilities Related to Property, Plant and Equipment, Net
Liabilities Related to Property, Plant and Equipment, Net
Acquisition of marketable securities as proceeds from sale of Argentina business unit (Note 4)
Segment Reporting [Abstract]
Reportable Geographic Segments
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Long-lived Assets by Geographical Area
Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]
Schedules of Consolidated Oil and Gas Sales
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
Schedule of Property, Plant and Equipment
Property, Plant and Equipment [Table Text Block]
Schedule of Asset Impairment
Details of Impairment of Long-Lived Assets Held and Used by Asset [Table Text Block]
Schedule of Allocation of Cost of Acquisition
Schedule of Asset Acquisitions, by Acquisition [Table Text Block]
Schedule of Asset Acquisitions, by Acquisition [Table Text Block]
Summary of Unproved Properties
Unproved Properties Disclosure [Table Text Block]
Summary of Oil and Natural Gas Properties
Summary of Oil and Natural Gas Properties Cost and Accumulated Depletion [Table Text Block]
Summary of Oil and Natural Gas Properties Cost and Accumulated Depletion [Table Text Block]
Convertible Senior Notes
Debt Instrument [Axis]
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
5.00% Convertible Senior Notes due 2021
Five Percent Convertible Senior Notes due 2021 [Member]
Five Percent Convertible Senior Notes due 2021 [Member]
Stated interest rate
Debt Instrument, Interest Rate, Stated Percentage
Schedule of Segment Reporting Information, by Segment [Table]
Consolidation Items [Axis]
Consolidation Items [Axis]
Consolidation Items [Domain]
Consolidation Items [Domain]
Operating Segments
Operating Segments [Member]
All Other
Corporate, Non-Segment [Member]
Segments [Axis]
Segments [Axis]
Segments [Domain]
Segments [Domain]
Colombia
Colombia Segment [Member]
Colombia Segment [Member]
Peru
Peru Segment [Member]
Peru Segment [Member]
Brazil
Brazil Segment [Member]
Brazil Segment [Member]
Segment Reporting Information [Line Items]
Oil and natural gas sales
Oil and Gas Sales Revenue
DD&A expenses
General and administrative expenses
General and Administrative Expense
Interest income
Interest Income, Operating
Interest expense
Income (loss) from continuing operations before income taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
Segment capital expenditures
Equity [Abstract]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Award Type [Axis]
Award Type [Axis]
Equity Award [Domain]
Equity Award [Domain]
Stock Options
Employee Stock Option [Member]
Range [Axis]
Range [Axis]
Range [Domain]
Range [Domain]
Minimum
Minimum [Member]
Maximum
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividend yield (per share) (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Volatility (minimum) (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum
Volatility (maximum) (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum
Weighted average volatility (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate
Risk-free interest rate (minimum) (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum
Risk-free interest rate (maximum) (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum
Expected term
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term
Income Tax Disclosure [Abstract]
Taxes
Income Tax Disclosure [Text Block]
Annual rate for furniture and fixtures, computer equipment and automobiles
Property, Plant and Equipment, Disclosure of Composite Depreciation Rate for Other Capital Assets
Property, Plant and Equipment, Disclosure of Composite Depreciation Rate for Other Capital Assets
Debt and Debt Issuance Costs
Debt Disclosure [Text Block]
Operating Loss Carryforwards [Table]
Operating Loss Carryforwards [Table]
Income Tax Authority, Name [Axis]
Income Tax Authority, Name [Axis]
Income Tax Authority, Name [Domain]
Income Tax Authority, Name [Domain]
National Taxes and Customs Direction (DIAN)
National Taxes and Customs Direction (DIAN) [Member]
National Taxes and Customs Direction (DIAN) [Member]
Income Tax Authority [Axis]
Income Tax Authority [Axis]
Income Tax Authority [Domain]
Income Tax Authority [Domain]
Foreign Tax Authority
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards [Line Items]
Loss from continuing operations before income taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest [Abstract]
United States
Income (Loss) from Continuing Operations before Income Taxes, Domestic
Foreign
Income (Loss) from Continuing Operations before Income Taxes, Foreign
LOSS FROM CONTINUING OPERATIONS BEFORE INCOME TAXES (NOTE 5)
Statutory rate
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Income tax recovery expense from continuing operations expected
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
Foreign currency translation adjustments
Income Tax Reconciliation Foreign Currency Translation Tax Benefit Expense
The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to foreign exchange translation differences.
Impact of foreign taxes
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount
Other local taxes
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount
Stock-based compensation
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Amount
Increase in valuation allowance
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount
Non-deductible third party royalty in Colombia
Income tax reconciliation non-deductible third party royalty
The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to third party royalty payments.
Other permanent differences
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount
Current income tax expense from continuing operations
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
United States
Current Federal Tax Expense (Benefit)
Foreign
Current Foreign Tax Expense (Benefit)
Current income tax expense from continuing operations
Current Income Tax Expense (Benefit)
Deferred income tax (recovery) expense from continuing operations
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Foreign
Deferred Foreign Income Tax Expense (Benefit)
Total income tax (recovery) expense from continuing operations
Income Tax Expense (Benefit)
Deferred tax recovery associated with ceiling test impairment loss
Deferred Income Tax Expense (Benefit) Resulting From Ceiling Test Adjustment
Deferred Income Tax Expense (Benefit) Resulting From Ceiling Test Adjustment
Property, Plant and Equipment [Table]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Domain]
Oil and natural gas properties
Oil and Gas Properties [Member]
Proved
Proved Oil and Gas Properties [Member]
Oil and gas properties depletable base under full cost accounting
Unproved
Unproved - Oil and Gas Properties [Member]
Long lived, assets used to produce or oil or gas, unproved.
Other
Property, Plant and Equipment, Other Types [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross
Property, Plant and Equipment, Gross
Accumulated depletion, depreciation and impairment
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Receivables [Abstract]
Accounts Receivable and Inventory
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
Schedule of Accounts Receivable
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Oil inventories
Energy Related Inventory, Crude Oil and Natural Gas Liquids
Supplies inventories
Other Inventory, Supplies, Gross
Oil inventory (in barrels of oil)
Energy Related Inventory, Volume
Energy Related Inventory, Volume
Oil inventory impairment
Inventory Write-down
Schedule of Segment Reporting Information, by Segment [Table]
Colombia
Brazil
Peru
Segment Reporting Information [Line Items]
Unproved oil and natural gas properties
Class of Stock [Axis]
Class of Stock [Axis]
Class of Stock [Domain]
Class of Stock [Domain]
Preferred Stock
Preferred Stock [Member]
Special voting stock
Special Voting Stock [Member]
Special Voting Stock [Member]
Legal Entity [Axis]
Legal Entity [Axis]
Entity [Domain]
Entity [Domain]
Exchangeable Shares of Gran Tierra Exchangeco Inc.
Gran Tierra Exchangeco Inc [Member]
Gran Tierra Exchangeco Inc [Member]
Exchangeable Shares of Gran Tierra Goldstrike Inc.
Gran Tierra Goldstrike Inc [Member]
Gran Tierra Goldstrike Inc Member
Authorized share capital (in shares)
Authorized share capital
The maximum number of shares permitted to be issued by an entity's charter and bylaws.
Common stock, shares authorized
Common Stock, Shares Authorized
Preferred Stock, shares authorized
Preferred Stock, Shares Authorized
Preferred Stock, par value (in dollars per share)
Preferred Stock, Par or Stated Value Per Share
Exchangeable shares outstanding (in shares)
Common Stock, Other Shares, Outstanding
Number of votes per common stock
Number of votes per common stock
Represents the number of votes each shareholder is entitled to per share.
Common voting shares per exchangeable share (in shares)
Number of common voting shares per exchangeable share
Represents the number of common voting shares for each exchangeable share.
Asset Retirement Obligation, Roll Forward Analysis
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Balance, beginning of year
Asset Retirement Obligation
Settlements
Asset Retirement Obligation, Liabilities Settled
Liabilities associated with assets sold
Asset Retirement Obligation, Liabilities Associated With Assets Sold
Asset Retirement Obligation, Liabilities Associated With Assets Sold
Liability incurred
Asset Retirement Obligation, Liabilities Incurred
Liabilities assumed in acquisitions (Note 3)
Asset Retirement Obligation, Liabilities Assumed in Acquisition
Asset Retirement Obligation, Liabilities Assumed in Acquisition
Accretion
Asset Retirement Obligation, Accretion Expense
Revisions in estimated liability
Asset Retirement Obligation, Revision of Estimate
Balance, end of year
Asset retirement obligation - current
Asset retirement obligation - long-term
Balance, end of year
Segment and Geographic Reporting
Segment Reporting Disclosure [Text Block]
PSUs
Performance Share Units [Member]
Performance Share Units [Member]
DSUs
Deferred Share Units [Member]
Deferred Share Units [Member]
RSUs
Restricted Stock Units (RSUs) [Member]
Number of Outstanding Share Units
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Balance, Beginning of period (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted
Exercised (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Exercised
Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Forfeitures
Expired (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Expirations
Balance, End of period (in shares)
Number of Outstanding Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Balance, Beginning of period (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures
Exercised (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
Expired (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period
Balance, End of period (in shares)
Exercisable, at end of period (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Vested, or expected to vest, at end of period through the life of the options (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
Weighted Average Exercise Price $/Option
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Balance, Beginning of period (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Granted (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Exercised (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Forfeited (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
Expired (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price
Balance, End of period (in dollars per share)
Exercisable, at end of period (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Vested, or expected to vest, at end of period through the life of the options (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price
Subsequent Events [Abstract]
Subsequent Event
Subsequent Events [Text Block]
Income Statement [Abstract]
OIL AND NATURAL GAS SALES (NOTE 5)
EXPENSES
Costs and Expenses [Abstract]
Operating
Operating Costs and Expenses
Transportation
Oil Pipeline and Trucking Costs
Oil Pipeline and Trucking Costs
Asset impairment (Notes 5 and 7)
General and administrative (Note 5)
Transaction (Note 3)
Business Combination, Integration Related Costs
Severance (Note 15)
Severance Costs
Equity tax (Note 11)
Foreign equity tax expense
Foreign tax payable in the period based on balance sheet equity for tax purposes
Foreign exchange gain
Foreign Currency Transaction Gain (Loss), before Tax
Financial instruments loss (Note 14)
Other gain (Note 3)
Other Operating Income (Expense), Net
Interest expense (Notes 5 and 8)
Total expenses
Costs and Expenses
INTEREST INCOME (NOTE 5)
INCOME TAX (EXPENSE) RECOVERY
Current Federal, State and Local, Tax Expense (Benefit) [Abstract]
Current (Note 11)
Deferred (Note 11)
Deferred Income Tax Expense (Benefit)
Income tax (expense) recovery
LOSS FROM CONTINUING OPERATIONS
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent
Loss from discontinued operations, net of income taxes (Note 4)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent
NET LOSS AND COMPREHENSIVE LOSS
BASIC AND DILUTED
Earnings Per Share, Basic and Diluted [Abstract]
LOSS FROM CONTINUING OPERATIONS (in dollars per share)
Income (Loss) from Continuing Operations, Per Basic and Diluted Share
LOSS FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES (in dollars per share)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic and Diluted Share
NET LOSS (in dollars per share)
Earnings Per Share, Basic and Diluted
WEIGHTED AVERAGE SHARES OUTSTANDING - BASIC AND DILUTED (in shares)
Weighted Average Number of Shares Outstanding, Basic and Diluted
Property, plant and equipment
Goodwill
All other assets
Other Assets
Accounts Payable and Accrued Liabilities
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Derivative [Table]
Derivative [Table]
Position [Axis]
Position [Axis]
Position [Domain]
Position [Domain]
Sold
Short [Member]
Purchased Put ($/bbl)
Long [Member]
Open Option Contracts Written Type [Axis]
Open Option Contracts Written Type [Axis]
Open Option Contracts Written Type [Domain]
Open Option Contracts Written Type [Domain]
Sold Put ($/bbl)
Put Option [Member]
Sold Call ($/bbl)
Call Option [Member]
Collar: June 1, 2016 to May 31, 2017
Commodity Contract, Collar: June 1, 2016 to May 31, 2017 [Member]
Commodity Contract, Collar: June 1, 2016 to May 31, 2017 [Member]
Collar: June 1, 2017 to December 31, 2017
Commodity Contract, Collar: June 1, 2017 to December 31, 2017 [Member]
Commodity Contract, Collar: June 1, 2017 to December 31, 2017 [Member]
Collar: October 1, 2016 to December 31, 2017
Commodity Contract, Collar: October 1, 2016 to December 31, 2017 [Member]
Commodity Contract, Collar: October 1, 2016 to December 31, 2017 [Member]
Derivative [Line Items]
Derivative [Line Items]
Volume (in barrels)
Derivative, Nonmonetary Notional Amount, Volume
Put price (in dollars per barrel)
Derivative, Floor Price
Call price (in dollars per barrel)
Derivative, Cap Price
Premiums received/(paid) (in dollars per barrel)
Derivative, Premiums Received (Paid) Per Unit
Derivative, Premiums Received (Paid) Per Unit
Investment, Name [Axis]
Investment, Name [Axis]
Investment, Name [Domain]
Investment, Name [Domain]
Tie Field
Tie Field [Member]
Tie Field [Member]
Scenario [Axis]
Scenario [Axis]
Scenario, Unspecified [Domain]
Scenario, Unspecified [Domain]
Scenario, Forecast
Scenario, Forecast [Member]
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Subsequent Event
Subsequent Event [Member]
Brazil Divestiture
Brazil Divestiture [Member]
Brazil Divestiture [Member]
Held-for-sale
Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Number of businesses divested
Number Of Businesses Divested
Number Of Businesses Divested
Ownership interest divested (as a percent)
Equity Method Investment, Ownership Percentage
Consideration to be received on completion of divestiture
Non-refundable deposit received
Escrow Deposits Related to Property Sales
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Common Stock
Common Stock [Member]
Increase (Decrease) in Stockholders' Equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)
Shares issued upon conversion of subscription receipts
Conversion of Stock, Shares Issued
Shares issued upon public offering
Stock Issued During Period, Shares, New Issues
Shares issued for acquisition (Note 3)
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares
Options exercised (in shares)
Exchange of exchangeable shares
Stock Issued During Period, Shares, Conversion of Convertible Securities
Ending balance (in shares)
Revenue and Other Income and Loss from Discontinued Operations
Disposal Groups, Including Discontinued Operations [Table Text Block]
Cash payments included in settlements
Fair value of assets legally restricted for purposes of settling asset retirement obligations
Asset Retirement Obligation, Legally Restricted Assets, Fair Value
Performance Stock Units
Stock options
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Domain]
Income Statement Location [Domain]
G&A expenses
General and Administrative Expense [Member]
Equity awards granted (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Grants in Period, Percent of Equity Awards Granted in Period
Share-based Compensation Arrangement by Share-based Payment Award, Grants in Period, Percent of Equity Awards Granted in Period
Common stock available for issuance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Stock-based compensation expense
Allocated Share-based Compensation Expense
Unrecognized compensation cost
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized
Weighted average period of recognition
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Weighted average remaining contractual term
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Schedule of Debt
Schedule of Long-term Debt Instruments [Table Text Block]
Schedule of Total Interest Expense Recognized
Interest Income and Interest Expense Disclosure [Table Text Block]
Tax benefit of operating loss carryforwards
Deferred Tax Assets, Operating Loss Carryforwards
Tax basis in excess of book basis
Deferred Tax Assets, Tax Basis in Excess of Book Basis
The tax effect as of the balance sheet date of the amount of the estimated future tax reductions attributable to a difference between the tax basis and the generally accepted accounting principles basis of a company's investments which will decrease future taxable income when such basis difference reverses.
Foreign tax credits and other accruals
Deferred Tax Assets, Tax Credit Carryforwards, Foreign
Tax benefit of capital loss carryforwards
Deferred Tax Assets, Capital Loss Carryforwards
Deferred tax assets before valuation allowance
Deferred Tax Assets, Gross
Valuation allowance
Deferred Tax Assets, Valuation Allowance
Deferred tax assets, net
Deferred Tax Assets, Net of Valuation Allowance
Deferred Tax Liabilities
Net Deferred Tax Liabilities
Deferred Tax Liabilities, Net
Schedule of Common Stock
Schedule of Common Stock Outstanding Roll Forward [Table Text Block]
Schedule of Information About PSU, DSU, RSU and Stock Option Activity
Schedule of Share-based Compensation, Activity [Table Text Block]
Schedule of Assumptions Using the Black-Scholes Option Pricing Model
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Schedule of Weighted Average Shares Outstanding
Schedule of Weighted Average Number of Shares [Table Text Block]
Schedule of Income Tax Expense Reported
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Schedule of Deferred Tax Assets and Liabilities
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Summary of Operating Loss and Capital Loss Carryforwards
Summary of Operating Loss Carryforwards [Table Text Block]
Changes in Unrecognized Tax Benefit
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
Line of Credit Facility [Table]
Line of Credit Facility [Table]
Credit Agreement
Letter of credit
Letter of Credit [Member]
Secured bridge loan financing
Secured Debt [Member]
Line of Credit Facility, Remaining Borrowing Capacity [Axis]
Line of Credit Facility, Remaining Borrowing Capacity [Axis]
Line of Credit Facility, Remaining Borrowing Capacity [Axis]
Line of Credit Facility, Remaining Borrowing Capacity [Domain]
Line of Credit Facility, Remaining Borrowing Capacity [Domain]
[Domain] for Line of Credit Facility, Remaining Borrowing Capacity [Axis]
Readily available
Readily Available [Member]
Readily Available [Member]
Subject to consent
Subject To Consent [Member]
Subject To Consent [Member]
Variable Rate [Axis]
Variable Rate [Axis]
Variable Rate [Domain]
Variable Rate [Domain]
London Interbank Offered Rate (LIBOR)
London Interbank Offered Rate (LIBOR) [Member]
Base Rate
Base Rate [Member]
Short-term Debt, Type [Axis]
Short-term Debt, Type [Axis]
Short-term Debt, Type [Domain]
Short-term Debt, Type [Domain]
Bridge Loan
Bridge Loan [Member]
PetroLatina
PetroLatina Energy Ltd [Member]
PetroLatina Energy Ltd [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility [Line Items]
Borrowing base
Line of Credit Facility, Current Borrowing Capacity
Readily available
Line of Credit Facility, Remaining Borrowing Capacity
Letter of credit sub-limit
Line of Credit Facility, Maximum Borrowing Capacity
Basis spread on variable rate
Debt Instrument, Basis Spread on Variable Rate
Weighted-average interest rate
Long-term Debt, Weighted Average Interest Rate
Interest rate on undrawn amounts
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage
Participation fee (as a percent)
Line of Credit Facility, Commitment Fee Percentage
Bridge term loan facility
Debt Instrument, Face Amount
Term of bridge term loan facility
Debt Instrument, Term
Amount drawn on revolving credit facility
Proceeds from Lines of Credit
Amount drawn on Bridge Loan Facility
Proceeds from Issuance of Secured Debt
Amount repaid
Repayments of Lines of Credit
Outstanding balance
Long-term Line of Credit
PetroLatina's long-term debt assumed
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt
Aggregate principal amount of Notes
Conversion rate
Debt Instrument, Convertible, Conversion Ratio
Initial conversion price (in dollars per share)
Debt Instrument, Convertible, Conversion Price
Percentage of conversion price when Company may redeem for all cash or any portion of the Notes
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger
Threshold trading days
Debt Instrument, Convertible, Threshold Trading Days
Threshold consecutive trading days
Debt Instrument, Convertible, Threshold Consecutive Trading Days
Redemption price (as a percent)
Debt Instrument, Redemption Price, Percentage
Repurchase price (as a percent)
Debt Instrument, Repurchase Percentage
Debt Instrument, Repurchase Percentage
Net proceeds from sale of the Notes
Pro Forma
Pro Forma [Member]
Petroamerica
Petroamerica Oil Corp [Member]
Petroamerica Oil Corp [Member]
Consideration Paid:
Purchase price
Business Combination, Net Purchase Price
Business Combination, Net Purchase Price
PetroLatina's long-term debt assumed
Working capital and other
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Working Capital And Other Purchase Price Adjustments
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Working Capital And Other Purchase Price Adjustments
Total cash consideration
Business Combination, Consideration Transferred
Estimated post-closing adjustments
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred
Cash consideration paid
Issuance of Common Shares, net of share issuance costs
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable
Allocation of Total Consideration:
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest [Abstract]
Oil and gas properties
Proved
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Oil and Gas Properties, Proved
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Oil and Gas Properties, Proved
Unproved
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Oil and Gas Properties, Unproved
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Oil and Gas Properties, Unproved
Net working capital (including cash acquired, restricted cash and accounts receivable)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Working Capital
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Working Capital
Cash acquired
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents
Restricted cash acquired
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Restricted Cash, Current
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Restricted Cash, Current
Accounts receivable acquired
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables
Long-term restricted cash
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets, Restricted Cash
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets, Restricted Cash
Other long-term assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets
Long-term debt
Long-term deferred tax liability
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent
Long-term portion of asset retirement obligation
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Asset Retirement Obligation, Noncurrent
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Asset Retirement Obligation, Noncurrent
Other long-term liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other
Gain on acquisition
Business Combination, Bargain Purchase, Gain Recognized, Amount
Total consideration
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net
Decrease in fair value of proved properties
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Oil And Gas Properties, Proved
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Oil And Gas Properties, Proved
Increase in fair value of unproved properties
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Oil And Gas Properties, Unproved
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Oil And Gas Properties, Unproved
Increase in fair value of working capital
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Working Capital
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Working Capital
Increase in acquisition date deferred tax liability
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Tax Liability
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Tax Liability
Decrease in gain on acquisition
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Gain On Acquisition
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Gain On Acquisition
Reduction in net loss as a result of impairment losses
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments Related to Previous Period
Restructuring and Related Activities [Abstract]
Severance Expenses
Restructuring and Related Activities Disclosure [Text Block]
Allowance for doubtful receivables
Allowance for Doubtful Accounts Receivable
Weighted average options excluded from diluted loss per share calculation (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Foreign currency derivative asset
Foreign currency derivative asset
Trading securities
Trading Securities
Fair value of assets
Assets, Fair Value Disclosure
Commodity price derivative liability
RSU, PSU and DSU liability
Share-based Compensation Arrangement, Recorded Liability, Fair Value Disclosure
Share-based Compensation Arrangement, Recorded Liability, Fair Value Disclosure
Fair value of liabilities
Financial and Nonfinancial Liabilities, Fair Value Disclosure
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Operating loss carryforwards
Operating Loss Carryforwards
Tax Credit Carryforward [Table]
Tax Credit Carryforward [Table]
Tax Credit Carryforward [Axis]
Tax Credit Carryforward [Axis]
Tax Credit Carryforward, Name [Domain]
Tax Credit Carryforward, Name [Domain]
Capital loss carryforwards
Capital Loss Carryforward [Member]
Tax Credit Carryforward [Line Items]
Tax Credit Carryforward [Line Items]
Capital loss carryforwards
Tax Credit Carryforward, Amount
Of the operating loss and capital loss carryforwards, losses generated by the foreign subsidiaries of the Company.
Operating Loss And Tax Credit Carryforwards, Losses Generated By Foreign Subsidiaries
Operating Loss And Tax Credit Carryforwards, Losses Generated By Foreign Subsidiaries
Revenue and other income
Disposal Group, Including Discontinued Operation, Revenue
Loss from operations of discontinued operations before income taxes
Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, before Income Tax
Income tax expense
Discontinued Operation, Tax Effect of Income (Loss) from Discontinued Operation During Phase-out Period
Loss from operations of discontinued operations
Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax
Loss on sale before income taxes
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax
Income tax expense
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation
Loss on sale
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax
Loss from discontinued operations, net of income taxes
Oil and gas sales
Business Acquisition, Pro Forma Oil and Gas Revenue
Business Acquisition, Pro Forma Oil and Gas Revenue
Net loss
Business Acquisition, Pro Forma Net Income (Loss)
Net loss per share - basic and diluted (in dollars per share)
Business Acquisition, Pro Forma Earnings Per Share, Basic and Diluted
Business Acquisition, Pro Forma Earnings Per Share, Basic and Diluted
Severance expenses
Schedule of Restructuring and Related Costs [Table]
Schedule of Restructuring and Related Costs [Table]
Restructuring Type [Axis]
Restructuring Type [Axis]
Type of Restructuring [Domain]
Type of Restructuring [Domain]
Employee severance
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Cost and Reserve [Line Items]
Severance expense payable
Restructuring Reserve
Schedule of Fair Value of Trading Securities, Derivative Assets, and RSU and PSU Liabilities
Schedule of Fair Value, Contingent Assets and Liabilities [Table Text Block]
Schedule of Fair Value, Contingent Assets and Liabilities [Table Text Block]
Schedule of Losses or Gains on Financial Instruments Recognized
Derivative Instruments, Gain (Loss) [Table Text Block]
Schedule of Outstanding Commodity Price Derivative Positions
Schedule of Price Risk Derivatives [Table Text Block]
Schedule of Outstanding Foreign Currency Derivative Positions
Schedule of Derivative Instruments [Table Text Block]
Investment Secondary Categorization [Axis]
Investment Secondary Categorization [Axis]
Investments by Secondary Categorization [Domain]
Investments by Secondary Categorization [Domain]
Bank 1
Bank 1 [Member]
Bank 1 [Member]
Bank 2
Bank 2 [Member]
Bank 2 [Member]
Put Option
Purchased Call
Collar: January 1, 2017 to March 31, 2017
Foreign Currency, Collar: January 1, 2017 to March 31, 2017 [Member]
Foreign Currency, Collar: January 1, 2017 to March 31, 2017 [Member]
Collar: April 1, 2017 to May 31, 2017
Foreign Currency, Collar: April 1, 2017 to May 31, 2017 [Member]
Foreign Currency, Collar: April 1, 2017 to May 31, 2017 [Member]
Amount hedged (Millions COP)
Derivative, Notional Amount
Call price (in COP per collar)
Put price (in COP per collar)
Vesting period
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Number of PSUs that vest (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage
Award subject to targets relating to total shareholder return (as a percent)
Award Vesting Percentage Subject to Targets Relating to Total Shareholder Return
Award Vesting Percentage Subject to Targets Relating to Total Shareholder Return
Award subject to targets relating to net asset value (as a percent)
Award Vesting Percentage Subject to Targets Relating to Net Asset Value
Award Vesting Percentage Subject to Targets Relating to Net Asset Value
Net present value discount rate
Net Asset Valuation, Discount Rate
Net Asset Valuation, Discount Rate
Award subject to targets relating to execution of corporate strategy (as a percent)
Award Vesting Percentage Subject to Targets Relating to the Execution of Corporate Strategy
Award Vesting Percentage Subject to Targets Relating to the Execution of Corporate Strategy
Share Capital
Shareholders' Equity and Share-based Payments [Text Block]
Acquisition price
Cash consideration
Outstanding balance of reserve-backed credit facility
Net working capital
Decrease in fair value of proved properties
Increase in fair value of unproved properties
Increase in fair value of working capital
Increase in acquisition date deferred tax liability
Oil and gas sales
Loss after tax for period subsequent to PetroLatina Acquisition Date
Transaction expenses excluded from supplemental pro forma net loss
Business Combination, Acquisition Related Costs
Schedule of Changes in Carrying Amount of Asset Retirement Obligation
Schedule of Change in Asset Retirement Obligation [Table Text Block]
Weighted average number of common and exchangeable shares outstanding
Shares issuable pursuant to stock options
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements
Shares assumed to be purchased from proceeds of stock options
Shares to be purchased from proceeds of stock options
The number of shares to be purchased from the proceeds of stock options exercises.
Weighted average number of diluted common and exchangeable shares outstanding
Weighted Average Number of Shares Outstanding, Diluted
Discontinued Operations
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]
Schedule of Accounts Payable and Accrued Liabilities
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
New Accounting Pronouncements or Change in Accounting Principle [Table]
New Accounting Pronouncements or Change in Accounting Principle [Table]
Adjustments for New Accounting Pronouncements [Axis]
Adjustments for New Accounting Pronouncements [Axis]
Type of Adoption [Domain]
Type of Adoption [Domain]
ASU 2016-16
Accounting Standards Update 2016-16 [Member]
Accounting Standards Update 2016-16 [Member]
New Accounting Pronouncement, Early Adoption [Axis]
New Accounting Pronouncement, Early Adoption [Axis]
New Accounting Principles, Early Adoption [Domain]
New Accounting Principles, Early Adoption [Domain]
New Accounting Pronouncement, Early Adoption, Effect
New Accounting Pronouncement, Early Adoption, Effect [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Prepaid tax expected to be recorded directly to opening retained earnings
Prepaid Taxes
Basis of consolidation
Consolidation, Policy [Policy Text Block]
Discontinued operations
Discontinued Operations, Policy [Policy Text Block]
Use of estimates
Use of Estimates, Policy [Policy Text Block]
Cash and cash equivalents
Cash and Cash Equivalents, Policy [Policy Text Block]
Restricted cash and cash equivalents
Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]
Allowance for doubtful accounts
Receivables, Trade and Other Accounts Receivable, Allowance for Doubtful Accounts, Policy [Policy Text Block]
Marketable securities
Marketable Securities, Policy [Policy Text Block]
Derivatives
Derivatives, Methods of Accounting, Derivatives Not Designated or Qualifying as Hedges [Policy Text Block]
Inventory
Inventory, Policy [Policy Text Block]
Income taxes
Income Tax, Policy [Policy Text Block]
Oil and gas properties
Oil and Gas Properties Policy [Policy Text Block]
Asset retirement obligation
Asset Retirement Obligations, Policy [Policy Text Block]
Other capital assets
Property, Plant and Equipment, Policy [Policy Text Block]
Goodwill
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]
Convertible Senior Notes
Debt, Policy [Policy Text Block]
Revenue recognition
Revenue Recognition, Policy [Policy Text Block]
Stock-based compensation
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]
Foreign currency translation
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Loss per share
Earnings Per Share, Policy [Policy Text Block]
Recently Issued Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Additional Paid in Capital
Additional Paid-in Capital [Member]
Expected term during grantee's service
Expected term after end of grantee's service
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Following Termination of Employment
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Following Termination of Employment
Term for stock options granted prior to May of 2013
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period
Common Stock issued for cash proceeds (in shares)
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures
Cash proceeds upon exercise of stock options
Stock Issued During Period, Value, Stock Options Exercised
Stock options exercised (in shares)
Weighted average remaining contractual term of outstanding stock options
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term
Weighted average remaining contractual term of exercisable stock options
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term
Weighted average grant date fair value for options granted (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Weighted average grant date fair value for options vested (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Weighted Average Grant Date Fair Value
Total fair value of stock options vested
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value
Costs Incurred in Oil and Gas Property Acquisition, Exploration, and Development Activities [Table]
Costs Incurred in Oil and Gas Property Acquisition, Exploration, and Development Activities [Table]
Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities [Line Items]
Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities [Line Items]
Acquisition costs
Costs Incurred, Acquisition of Oil and Gas Properties
Exploration costs
Costs Incurred, Exploration Costs
Total oil and natural gas properties not subject to depletion
Capitalized Costs of Unproved Properties Excluded from Amortization, Period Cost
Valuation Allowance [Table]
Valuation Allowance [Table]
Tax Period [Axis]
Tax Period [Axis]
Tax Period [Domain]
Tax Period [Domain]
2017
Tax Year 2017 [Member]
Tax Year 2017 [Member]
2018
Tax Year 2018 [Member]
Tax Year 2018 [Member]
2019 and onwards
Tax Year 2019 and Thereafter [Member]
Tax Year 2019 and Thereafter [Member]
2017 and onwards
Tax Year 2017 And Onwards [Member]
Tax Year 2017 And Onwards [Member]
2015
Tax Year 2015 [Member]
Tax Year 2015 [Member]
2016
Tax Year 2016 [Member]
Tax Year 2016 [Member]
Geographical [Axis]
Geographical [Axis]
Geographical [Domain]
Geographical [Domain]
Colombia
COLOMBIA
Valuation Allowance [Line Items]
Valuation Allowance [Line Items]
Increase in valuation allowance
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount
Valuation allowance related to acquisitions
Deferred Taxes, Business Combination, Valuation Allowance, Available to Reduce Income Tax Expense
Single income tax, CREE tax and surtax rate
Effective Income Tax Rate Reconciliation, Foreign Statutory Rate, CREE Tax and Surtax, Percent
Effective Income Tax Rate Reconciliation, Foreign Statutory Rate, CREE Tax and Surtax, Percent
CREE surtax rate
CREE Surtax Rate
CREE Surtax Rate
Decrease in future Colombian tax liability
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability
New dividend tax on distributions of previously taxed earnings (as a percent)
Dividend Tax Rate On Distributions Of Previously Taxes Earnings
Dividend Tax Rate On Distributions Of Previously Taxes Earnings
Corporate minimum presumptive income tax rate
Corporate Minimum Presumptive Income Tax Rate
Corporate Minimum Presumptive Income Tax Rate
Prepaid income taxes
Current prepaid taxes
Long-term prepaid taxes
Current income taxes payable
Accrued Income Taxes, Current
Interest and penalties on unrecognized tax benefit included in current income tax liabilities
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued
Equity tax rates
Foreign equity tax rate
Tax rate for foreign tax payable based on balance sheet equity for tax purposes
Annual amount of equity tax expense
Included in accounts payable
Accrual for Taxes Other than Income Taxes, Current
Property, Plant and Equipment
Property, Plant and Equipment Disclosure [Text Block]
Statement of Stockholders' Equity [Abstract]
Statement [Table]
Share Capital
Retained Earnings (Deficit)
Retained Earnings [Member]
Statement [Line Items]
Balance, beginning of year
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Issuance of Common Stock, net of share issuance costs (Note 9)
Stock Issued During Period, Value, New Issues
Repurchase of Common Stock (Note 9)
Stock Repurchased and Retired During Period, Value
Exercise of stock options (Note 9)
Stock-based compensation (Note 9)
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition
Balance, end of year
Schedule of Net Changes in Assets and Liabilities
Cash Flow, Operating Capital [Table Text Block]
Schedule of Additional Supplemental Cash Flow Disclosures
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
Number of Gran Tierra common shares each Petroamerica shareholder was entitled to receive for each Petroamerica share held
Business Combination Consideration Transferred Equity Interests Issued And Issuable Number Of Shares For Each Share Of Acquired Entity Shares
Business Combination Consideration Transferred Equity Interests Issued And Issuable Number Of Shares For Each Share Of Acquired Entity Shares
Number of Canadian dollars in cash each Petroamerica shareholder was entitled to receive for each Petroamerica share held
Business Combination Consideration Transferred Cash Paid For Each Share Of Acquired Entity Shares
Business Combination Consideration Transferred Cash Paid For Each Share Of Acquired Entity Shares
Maximum value of combination of shares and cash Petroamerica shareholders are entitled to receive (as a percent)
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Maximum Percentage Payable in Cash
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Maximum Percentage Payable in Cash
Shares issued in acquisition (in shares)
Par value of shares issued in acquisition (in dollars per share)
Fair value of Gran Tierra's Common Stock issued
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned
Total net purchase price
Loss after tax for period subsequent to Petroamerica Acquisition Date
Solana
Solana [Member]
Acquisition of the Canadian company, Solana.
Argosy Energy International L.P.
Argosy Energy International L.P. [Member]
Argosy Energy International L.P. [Member]
Los Ocarros and Las Maracas
Los Ocarros And Las Maracas [Member]
Los Ocarros And Las Maracas [Member]
Sold
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Net purchase price
Net working capital
Contingent consideration payable
Asset Acquisition, Contingent Consideration Arrangements, Range of Outcomes, Value, High
Asset Acquisition, Contingent Consideration Arrangements, Range of Outcomes, Value, High
Threshold by which contingent consideration is due
Threshold by which Contingent Consideration is Due
Threshold by which Contingent Consideration is Due
Winning bids submitted
Asset Acquisition, Amount Of Winning Bids Submitted
Asset Acquisition, Amount Of Winning Bids Submitted
Number of blocks successfully bid
Number of Blocks Successfully Bid
Number of Blocks Successfully Bid
Transfer of ownership (as a percent)
Asset Acquisition, Percentage Of Working Interest Acquired
Asset Acquisition, Percentage Of Working Interest Acquired
Proceeds from sale of blocks
Costs not expected to be subject to depletion (as a percent)
Oil and Gas Property, Costs Transferred to Depletable Base within Five Years, Percentage
Oil and Gas Property, Costs Transferred to Depletable Base within Five Years, Percentage
Period until transferred to depletable base
Oil and Gas Property, Transfer of Costs to Depletable Base, Time Period
Oil and Gas Property, Transfer of Costs to Depletable Base, Time Period
Supplemental Cash Flow Information
Cash Flow, Supplemental Disclosures [Text Block]
Concentration Risk [Table]
Concentration Risk [Table]
Customer [Axis]
Customer [Axis]
Customer [Domain]
Customer [Domain]
Customer One
Customer One [Member]
Customer One [Member]
Customer Two
Customer Two [Member]
Customer Two [Member]
Customer Three
Customer Three [Member]
Customer Three [Member]
Customer Four
Customer Four [Member]
Customer Four [Member]
Concentration Risk Type [Axis]
Concentration Risk Type [Axis]
Concentration Risk Type [Domain]
Concentration Risk Type [Domain]
Customer Concentration Risk
Customer Concentration Risk [Member]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Sales
Sales Revenue, Net [Member]
Concentration Risk [Line Items]
Concentration Risk [Line Items]
Sales to each significant customer as % of oil and gas sales
Concentration Risk, Percentage
Repurchased and canceled (in shares)
Stock Repurchased and Retired During Period, Shares
Average price per share (in dollars per share)
Treasury Stock Acquired, Average Cost Per Share
Total proceeds
Accounts receivable and other long-term assets
Increase (Decrease) in Receivables
Derivatives
Increase (Decrease) in Derivative Assets and Liabilities
Inventory
Increase (Decrease) in Inventories
Other prepaids
Increase (Decrease) in Prepaid Expenses, Other
Accounts payable and accrued and other long-term liabilities
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Prepaid tax and taxes receivable and payable
Increase (Decrease) In Prepaid Taxes And Income Taxes Payable, Net Of Income Taxes Receivable
Increase (Decrease) In Prepaid Taxes And Income Taxes Payable, Net Of Income Taxes Receivable
Net changes in assets and liabilities from operating activities of continuing operations
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefit relating to loss or income from continuing operations, beginning of year
Unrecognized Tax Benefits
Increases for positions relating to prior year
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions
Decreases for positions relating to prior year
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions
Decreases due to lapse of statute of limitations
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations
Unrecognized tax benefit relating to loss or income from continuing operations, end of year
Interest and penalties (recovery) expense on the unrecognized tax benefit included in income tax expense from continuing operations
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense
Allocation of the Consideration Transferred Based on the Fair Values of Assets and Liabilities Acquired
Schedule of Business Acquisitions, by Acquisition [Table Text Block]
Pro Forma Results of Acquisition
Business Acquisition, Pro Forma Information [Table Text Block]
Schedule of Accounts, Notes, Loans and Financing Receivable [Table]
Schedule of Accounts, Notes, Loans and Financing Receivable [Table]
Receivable Type [Axis]
Receivable Type [Axis]
Receivable [Domain]
Receivable [Domain]
Trade
Trade Accounts Receivable [Member]
Other
Other Accounts Receivable [Member]
Other Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable
Accounts Receivable, Gross, Current
Common stock issued at public offering (in shares)
Offering price (in dollars per share)
Shares Issued, Price Per Share
Gross proceeds
Net proceeds after share issuance costs
DSUs that will vest at such time the grantee ceases to be a member (as a percent)
Cash used to settle awards
Employee Service Share-based Compensation, Cash Flow Effect, Cash Used to Settle Awards
Subscription Receipts
Receivables from Stockholder [Member]
Subscription receipts issued (in shares)
Common Stock, Shares Subscribed but Unissued
Eligible purchase price per Subscription Receipt (in dollars per share)
Share Price
Gross proceeds
Common Stock, Value, Subscriptions
Net proceeds after share issuance costs
Number of common shares holder is entitled to for each Subscription Receipt (in shares)
Common Stock, Subscription Receipt To Shares Conversion Ratio
Common Stock, Subscription Receipt To Shares Conversion Ratio
Impairment of oil and gas properties
Impairment of Oil and Gas Properties
Impairment of inventory (Note 6)
Asset impairment
Tangible Asset Impairment Charges
Fair Value, by Balance Sheet Grouping [Table]
Fair Value, by Balance Sheet Grouping [Table]
Measurement Basis [Axis]
Measurement Basis [Axis]
Fair Value Measurement [Domain]
Fair Value Measurement [Domain]
Portion at Fair Value Measurement
Portion at Fair Value Measurement [Member]
Reported Value Measurement
Reported Value Measurement [Member]
Estimate of Fair Value Measurement
Estimate of Fair Value Measurement [Member]
Geographic Concentration Risk
Geographic Concentration Risk [Member]
Oil and natural gas sales
Sales Revenue, Segment [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash proceeds for trading securities sold
Proceeds from (Payments for) Trading Securities, Short-term
Value of the Notes
Convertible Debt, Fair Value Disclosures
Premium paid upon entering into commodity price derivative
Derivative, Cost of Hedge
Foreign exchange losses for each one peso decrease in exchange rate of Colombian peso to one U.S. dollar
Foreign Currency Transaction Gain Loss Before Tax Peso to US Dollar
The aggregate foreign currency transaction gain (loss) (both realized and unrealized) if there were a one Columbian Peso change against the U.S. Dollar.
Revenues received in U.S. dollars (as a percent)
Percentage of Revenues Denominated in United States Dollars
Percentage of Revenues Denominated in United States Dollars
Property, Plant and Equipment [Table]
Subsegments [Axis]
Subsegments [Axis]
Subsegments [Domain]
Subsegments [Domain]
Blocks 123, 129, and 95
Blocks 123, 129, And 95 [Member]
Blocks 123, 129, And 95 [Member]
Block 95
Block 95 [Member]
Block 95 [Member]
Oil and Gas Production Type [Axis]
Oil and Gas Production Type [Axis]
Production Type [Domain]
Production Type [Domain]
Crude Oil and NGL
Crude Oil and NGL [Member]
Valuation Technique [Axis]
Valuation Technique [Axis]
Valuation Technique [Domain]
Valuation Technique [Domain]
Income Approach Valuation Technique
Income Approach Valuation Technique [Member]
Asset Class [Axis]
Asset Class [Axis]
Asset Class [Domain]
Asset Class [Domain]
Assets
Assets [Member]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Domain]
Property, Plant and Equipment [Line Items]
Impairment losses
Impairment of unproved properties
Impairment Of Oil And Gas Properties, Unproved
Impairment Of Oil And Gas Properties, Unproved
Discount rate
Full Cost Accounting, Discount Rate
Full Cost Accounting, Discount Rate
Average Brent price per barrel (in dollars per barrel)
Ceiling Test Price
Ceiling Test Price
Depletion and depreciation expense
Depreciation, Depletion and Amortization