Segment Information - Schedule of Reconciliation of Segment Adjusted EBITDA to Net Income (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Segment Reporting Information [Line Items] | |||
| Revenue | $ 1,310,043 | $ 1,525,220 | $ 1,676,625 |
| 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 | 0 | 0 | (11,699) |
| Other (expense) income | 0 | 0 | (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 (Loss) | 56,998 | 250,603 | 478,629 |
| Other revenues | |||
| Segment Reporting Information [Line Items] | |||
| Revenue | 33,019 | 25,240 | 28,633 |
| Mining | |||
| Segment Reporting Information [Line Items] | |||
| Segment Adjusted EBITDA | 294,623 | 492,683 | 737,723 |
| 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 | 0 | 0 | (11,699) |
| Other (expense) income | 0 | 0 | (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 (Loss) | 56,998 | 250,603 | 478,629 |
| Mining | Other revenues | |||
| Segment Reporting Information [Line Items] | |||
| Revenue | $ 33,019 | $ 25,240 | $ 28,633 |
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- Definition Adjusted Earnings Before Interest, Taxes, Depreciation And Amortization No definition available.
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- Definition Business Interruption No definition available.
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- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of interest expense classified as nonoperating. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Other costs incurred during the reporting period related to other revenue generating activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. No definition available.
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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