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SEGMENT INFORMATION - Schedule of Long-lived Assets and Segment Assets (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets: | $ 623,736 | $ 538,103
Total assets: | 950,433 | 954,950
Operating | Gabon |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets: | 158,534 | 153,576
Total assets: | 290,380 | 300,568
Operating | Egypt |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets: | 143,504 | 149,129
Total assets: | 258,128 | 269,905
Operating | Canada |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets: | 101,256 | 104,891
Total assets: | 105,756 | 113,310
Operating | Equatorial Guinea |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets: | 11,140 | 10,641
Total assets: | 13,547 | 12,331
Operating | Côte d'Ivoire |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets: | 204,546 | 114,756
Total assets: | 237,578 | 187,264
Corporate and Other |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets: | 4,756 | 5,110
Total assets: | $ 45,044 | $ 71,572

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