v3.25.4

Segment Information (Tables) | 12 Months Ended
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Dec. 31, 2025
Segment Reporting [Abstract] |
Schedule of Reconciliations of Segment Information to Consolidated Amounts | The following tables include reconciliations of segment information to consolidated amounts (in thousands):
|  | For the year ended December 31, |
|  | 2025 |  |  | 2024 |  |  | 2023 |
Revenues |  |  |  |  |  |  |  |  |
Mining |  | $ | 1,277,024 |  |  | $ | 1,499,980 |  |  | $ | 1,647,992 |
All other |  |  | 33,019 |  |  |  | 25,240 |  |  |  | 28,633 |
Total revenues |  | $ | 1,310,043 |  |  | $ | 1,525,220 |  |  | $ | 1,676,625 |
Segment profit |  |  |  |  |  |  |  |  |
Revenue |  | $ | 1,277,024 |  |  | $ | 1,499,980 |  |  | $ | 1,647,992 |
Cash cost of sales(1) |  |  | 975,384 |  |  |  | 999,188 |  |  |  | 904,319 |
Other segment items(2) |  |  | 7,017 |  |  |  | 8,109 |  |  |  | 5,950 |
Segment profit |  | $ | 294,623 |  |  | $ | 492,683 |  |  | $ | 737,723 |
Transportation and royalties |  |  |  |  |  |  |  |  |
Mining |  | $ | 333,042 |  |  | $ | 367,059 |  |  | $ | 367,949 |
All other |  |  | — |  |  |  | — |  |  |  | 263 |
Total transportation and royalties |  | $ | 333,042 |  |  | $ | 367,059 |  |  | $ | 368,212 |
Assets |  |  |  |  |  |  |  |  |
Mining |  | $ | 2,632,118 |  |  | $ | 2,456,973 |  |  | $ | 2,220,771 |
All other |  |  | 151,681 |  |  |  | 134,543 |  |  |  | 136,287 |
Total assets |  | $ | 2,783,799 |  |  | $ | 2,591,516 |  |  | $ | 2,357,058 |
Depreciation and depletion |  |  |  |  |  |  |  |  |
Mining |  | $ | 180,067 |  |  | $ | 145,229 |  |  | $ | 120,192 |
All other |  |  | 8,498 |  |  |  | 8,753 |  |  |  | 7,164 |
Total depreciation and depletion |  | $ | 188,565 |  |  | $ | 153,982 |  |  | $ | 127,356 |
Capital Expenditures |  |  |  |  |  |  |  |  |
Mining |  | $ | 315,258 |  |  | $ | 450,713 |  |  | $ | 484,730 |
All other |  |  | 5,003 |  |  |  | 6,508 |  |  |  | 6,944 |
Total capital expenditures |  | $ | 320,261 |  |  | $ | 457,221 |  |  | $ | 491,674 |
(1) The significant expense category and amounts align with the segment-level information that is regularly reviewed by the CODM. Cash cost of sales includes transportation and royalties and excludes depreciation and depletion as presented above. (2) Other segment items include non-cash charges to cost of sales of asset retirement obligation accretion and valuation adjustments and stock compensation expense.
Schedule of Revenue by Major Customers | For the years ended December 31, 2025, 2024, and 2023 the Company's Mining segment had revenues comprising greater than 10% from the following customers:
|  | For the year ended December 31, |
|  | 2025 |  |  | 2024 |  |  | 2023 |
Customer A |  | $ | 154,167 |  |  | $ | — |  |  | $ | — |
Customer B |  |  | — |  |  |  | 190,138 |  |  |  | 205,699 |
Customer C |  |  | — |  |  |  | 190,811 |  |  |  | — |
Customer D |  |  | — |  |  |  | 178,087 |  |  |  | 246,443 |
Customer E |  |  | — |  |  |  | — |  |  |  | 195,283 |
• Customers with a zero did not trip the 10% quantitative threshold for that period.
Schedule of Reconciliation of Segment Adjusted EBITDA to Net Income | Below is a reconciliation of Segment Adjusted EBITDA to net income, which is its most directly comparable financial measure calculated and presented in accordance with GAAP (in thousands):
|  | For the year ended December 31, |
|  | 2025 |  |  | 2024 |  |  | 2023 |
Segment Adjusted EBITDA |  | $ | 294,623 |  |  | $ | 492,683 |  |  | $ | 737,723 |
Other revenues |  |  | 33,019 |  |  |  | 25,240 |  |  |  | 28,633 |
Cost of other revenues |  |  | (27,668 | ) |  |  | (45,449 | ) |  |  | (37,486 | )
Depreciation and depletion |  |  | (188,565 | ) |  |  | (153,982 | ) |  |  | (127,356 | )
Selling, general and administrative |  |  | (65,681 | ) |  |  | (63,078 | ) |  |  | (51,817 | )
Business interruption |  |  | (19 | ) |  |  | (524 | ) |  |  | (8,291 | )
Loss on early extinguishment of debt |  |  | — |  |  |  | — |  |  |  | (11,699 | )
Other (expense) income |  |  | — |  |  |  | — |  |  |  | (1,027 | )
Interest income |  |  | 18,477 |  |  |  | 33,047 |  |  |  | 40,699 |
Interest expense |  |  | (9,742 | ) |  |  | (4,271 | ) |  |  | (17,960 | )
Income before income taxes |  |  | 54,444 |  |  |  | 283,666 |  |  |  | 551,419 |
Income tax benefit (expense) |  |  | 2,554 |  |  |  | (33,063 | ) |  |  | (72,790 | )
Net income |  | $ | 56,998 |  |  | $ | 250,603 |  |  | $ | 478,629 |

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- Definition Tabular disclosure of the reconciliation of profit (loss) from reportable segments to the consolidated income (loss) before income tax expense (benefit) and discontinued operations. Includes, but is not limited to, reconciliation after income tax if income tax is allocated to the reportable segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-31 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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- Definition Tabular disclosure of the extent of the entity's reliance on its major customers, if revenues from transactions with a single external customer amount to 10 percent or more of entity revenues, including the disclosure of that fact, the total amount of revenues from each such customer, and the identity of the reportable segment or segments reporting the revenues. The entity need not disclose the identity of a major customer or the amount of revenues that each segment reports from that customer. For these purposes, a group of companies known to the entity to be under common control is considered a single customer, and the federal government, a state government, a local government such as a county or municipality, or a foreign government is each considered a single customer. + References No definition available. + Details
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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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