GENERAL AND BASIS OF PRESENTATION - Write-offs of Unsuccessful Exploration and Storage Activities (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Write-off of unsuccessful exploration and storage activities	$ 6,611	$ 251	$ 8,693	$ 767

Amount of impairment loss for oil and gas properties with unproved reserve in oil- and gas-producing activities. Includes, but is not limited to, previously capitalized cost of drilling exploratory well when proved reserve is not found or when there is substantial doubt about economic or operational viability of project.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-2

Name:	us-gaap_ExplorationAbandonmentAndImpairmentExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration