Exploration and Evaluation Assets - Schedule of Exploration and Evaluation Assets Relating to Thacker Pass Project (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2024	Dec. 31, 2023
Exploration and evaluation assets [abstract]
Beginning balance	$ 770	$ 9,514
Additions	202	347
Transfers to PP&E (Note 8)		(9,091)
Ending balance	$ 972	$ 770

The amount of additions to non-current assets other than financial instruments, deferred tax assets, net defined benefit assets and rights arising under insurance contracts. [Refer: Deferred tax assets; Classes of financial instruments [domain]; Non-current assets]

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The increase (decrease) in property, plant and equipment resulting from transfers. [Refer: Property, plant and equipment]

+ References

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- Definition

The amount of exploration and evaluation assets recognised as intangible assets in accordance with the entity's accounting policy. [Refer: Exploration and evaluation assets [member]]

+ References

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Exploration and evaluation assets.

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