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RELATED PARTY TRANSACTIONS - MISA Agreements (Details) - MISA - Related Party ر.س in Millions	1 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended
	Feb. 28, 2022	Jun. 30, 2026 USD ($)	Jun. 30, 2026 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 SAR (ر.س)
MISA Agreement - AMP-2
Related Party Transaction [Line Items]
Period for suspension of funding, operation commencement	30 months
Period for suspension of funding, attainment of agreed scope of operations	55 months
Government Grant
Related Party Transaction [Line Items]
Related party transaction, amount of transaction						$ 97,500,000	ر.س 366
Government Grant | AMP-2 Fixed Asset and AMP-2 Construction in Progress Balance
Related Party Transaction [Line Items]
Related party transaction, amount of transaction		$ 0	$ 0	$ 0	$ 97,500,000

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