SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Inventories (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Inventories | ||
| Raw coal | $ 31,689 | $ 19,709 |
| Saleable coal | 48,522 | 17,969 |
| Supplies | 6,944 | 5,680 |
| Total inventories | $ 87,155 | $ 43,358 |
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- Definition Refers to the amount of coal supplies. No definition available.
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- Definition Refers to the amount of raw coal. No definition available.
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- Definition Refers to the amount of saleable coal. No definition available.
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- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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