COMMITMENTS AND CONTINGENCIES (Details) shares in Millions, $ in Millions		9 Months Ended
Jun. 26, 2026 USD ($) oz shares	Sep. 30, 2026 USD ($)
Offtake Termination
Loss Contingencies [Line Items]
Delivered per arrangement \| oz	40,000
Common shares issued (in shares) \| shares	3.5
Total gross proceeds	$ 4.8
Lone Tree Plant
Loss Contingencies [Line Items]
Capital expenditures committed		$ 137.9

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details