SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Oct. 31, 2022
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Abandonment funding payment approved	$ 26,600
Abandonment funding payment approved, attributable to company	15,600
Payment received for abandonment	$ 15,600
Value added tax receivable		$ 1,100	$ 2,800
Credit (recovery) losses and other		106	6,304	$ (4,906)
Inventory write-down		2,400
Foreign currency transactions loss		700	1,800	$ 900
Accounting Standards Update 2016-13 | Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Credit (recovery) losses and other		$ 100	7,700
TransGlobe
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other receivables					$ 67,500
Svenska Petroleum Exploration Aktiebolag
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Restricted cash, noncurrent			$ 8,900