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COMMITMENTS AND CONTINGENCIES - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 9 Months Ended | 16 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Nov. 01, 2022 | Feb. 01, 2022 | Sep. 30, 2025 | Mar. 12, 2024 | Feb. 01, 2025 | Dec. 31, 2024 | Oct. 31, 2022
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Abandonment funding |  |  | $ 6,268 |  |  | $ 6,268 |
Parent | Accrued Liabilities and Other |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Contractual obligation |  |  | 9,700 |  |  |  |
TransGlobe |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Other receivables |  |  |  |  |  |  | $ 67,500
Egyptian General Petroleum Corporation (EGPC) |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Contractual obligation |  |  | $ 150,000 |  |  |  |
Development timeframe (in year) |  |  | 5 years |  |  |  |
License contract term (in years) |  |  | 15 years |  |  |  |
Number of commitments term (in years) |  |  | 5 years |  |  |  |
Egyptian General Petroleum Corporation (EGPC) | Minimum |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Contractual obligation |  |  | $ 50,000 |  |  |  |
Number of commitments term (in years) |  |  | 5 years |  |  |  |
Share Buyback Program |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Share repurchase, authorized amount | $ 30,000 |  |  |  |  |  |
Share repurchase, period (in month) | 20 months |  |  |  |  |  |
Treasury stock acquired (in shares) |  |  |  | 6,797,711 |  |  |
Treasury stock acquired (in dollars per share) |  |  |  | $ 4.41 |  |  |
Etame Marine Block |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Abandonment funding |  |  | $ 10,700 |  |  |  |
Egyptian General Petroleum Corporation (EGPC) | Merged Concession Agreement |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Payments for merger related costs |  | $ 10,000 |  |  |  |  |
Contractual obligation |  |  |  |  | $ 10,000 |  |
Etame Marine Block |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Abandonment funding |  |  | $ 6,300 |  |  |  |

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