HREE Production Project Agreement, Stage II Optimization Contribution

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Other Receivable from Government Reimbursements for Property, Plant And Equipment

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GOVERNMENT GRANTS - Narrative (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	May 31, 2026	Dec. 31, 2025	Feb. 28, 2022
Government Assistance [Line Items]
Proceeds from government awards used for construction	$ 6,500	$ 24,200
HREE Production Project Agreement
Government Assistance [Line Items]
HREE Production Project Agreement, stage II optimization contribution					$ 35,000
Proceeds from government awards used for construction	6,500	$ 24,200
TSIF Grant Agreement
Government Assistance [Line Items]
Texas Semiconductor Innovation Fund			$ 53,500
Receivable From Government Reimbursements For Property, Plant And Equipment	10,100
45 X Credit Government Grant
Government Assistance [Line Items]
Grants Receivable, Noncurrent	32,600			$ 0
45 X Credit Government Grant \| UNITED STATES
Government Assistance [Line Items]
Proceeds from Income Tax Refunds	$ 19,000