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Derivatives - Narrative (Details) | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2024 DKK (kr) Boe t | Mar. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Derivative [Line Items] |  |  |
Restricted cash | $ |  | $ 0 | $ 0
LME forward financial sales contracts |  |  |
Derivative [Line Items] |  |  |
Open position to offset fixed prices (in tonnes) | 26,181 |  |
Fixed For Floating Swaps |  |  |
Derivative [Line Items] |  |  |
Open position to offset fixed prices (in tonnes) | 0 |  |
USD ISK Forward Swap |  |  |
Derivative [Line Items] |  |  |
Derivative, forward contracts | kr | kr 0 |  |
HFO Price Swaps |  |  |
Derivative [Line Items] |  |  |
Derivative liability (in MwH) | Boe | 245,000 |  |

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480237/815-40-50-5 + Details
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