WYOMING ENERGY AUTHORITY GRANT (Details) - Wyoming Energy Authority - Funding Agreement - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2026	Jun. 30, 2023
WYOMING ENERGY AUTHORITY GRANT
Grants receivable		$ 4,400
Proceeds from grant	$ 400

Carrying amount as of the balance sheet date of amounts due under the terms of governmental, corporate, or foundation grants.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(a)(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Name:	us-gaap_GrantsReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant