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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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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No definition available.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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The cash outflow associated with other payments to acquire businesses including deposit on pending acquisitions and preacquisition costs.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Acquisition of Jamalco - Narrative (Details) - USD ($)		3 Months Ended	9 Months Ended
Acquisition of Jamalco - Narrative (Details) - USD ($)	May 02, 2023	Sep. 30, 2023	Sep. 30, 2023
General Alumina Holdings Limited
Business Acquisition [Line Items]
Total consideration transferred	$ 8,300,000
Other payments	1.00
Cash paid	$ 8,300,000
Transaction costs		$ 200,000	$ 1,900,000
Jamalco \| General Alumina Holdings Limited
Business Acquisition [Line Items]
Noncontrolling interest, ownership percentage by parent	55.00%
Jamalco \| Clarendon Alumina Production Limited
Business Acquisition [Line Items]
Ownership percentage by noncontrolling owners	45.00%