PROPERTY, PLANT, AND EQUIPMENT - Narrative (Details) - USD ($) $ in Millions |
Nov. 07, 2025 |
Dec. 31, 2025 |
Mar. 17, 2025 |
Dec. 31, 2024 |
|---|---|---|---|---|
| Property, plant, and equipment | ||||
| Government assistance, award amount | $ 6.1 | |||
| Qualifying costs | $ 0.5 | |||
| Offset to Property, plant and equipment, net | 0.4 | |||
| Other income | 0.1 | |||
| Mining property and mineral rights | ||||
| Property, plant, and equipment | ||||
| Purchase price | $ 15.0 | |||
| Transaction costs | $ 0.3 | |||
| Coal Properties | ||||
| Property, plant, and equipment | ||||
| Capitalized amounts related to coal reserves | $ 18.5 | $ 16.2 |
| X | ||||||||||
- Definition The amount of costs capitalized related to coal reserves. No definition available.
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- Definition Amount of qualifying costs recognized as a income from government assistance. No definition available.
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- Definition Amount of costs incurred by the company on the mine project that qualify for government assistance under the grant. No definition available.
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- Definition Amount of qualifying costs capitalized by the company under the mine project. No definition available.
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- Definition Amount of consideration transferred in asset acquisition. Includes, but is not limited to, cash, liability incurred by acquirer, and equity interest issued by acquirer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of transaction cost incurred as part of consideration transferred in asset acquisition. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of government assistance awarded that comprises amount received, receivable, and to be received unless condition for government assistance is not met. Includes, but is not limited to, government grant, assistance, incentive, award, subsidy, and loan. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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