GENERAL AND BASIS OF PRESENTATION - Write-off of assets (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
Write-off of unsuccessful exploration and storage activities	$ 251	$ 1,379	$ 767	$ 1,379
Energy Storage
Segment Reporting Information [Line Items]
Write-off of unsuccessful exploration and storage activities		$ 1,400		$ 1,400

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

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