SK ecoplant Strategic Investment - Narrative (Details) - Korean Joint Venture - SK Ecoplant - USD ($) $ in Millions	Jan. 31, 2024	Sep. 30, 2023
Schedule of Equity Method Investments [Line Items]
Interest owns percentage	60.00%	60.00%
Increase in aggregate capital	$ 3.9

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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