v3.25.4

Prepaid Expenses and Other (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |
Deferred longwall move expenses | $ 36,959 | $ 24,643
Prepaid insurance | 1,709 | 3,616
Other | 10,162 | 3,449
Total prepaid expenses and other | $ 48,830 | $ 31,708

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