Inventories (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Inventory Disclosure [Abstract] | ||
| Raw materials | $ 70,643 | $ 116,248 |
| Semi-finished and finished goods | 144,857 | 167,498 |
| Spares and other | 34,069 | 32,877 |
| Inventory gross | 249,569 | 316,623 |
| Reduction to LIFO cost basis | (55,424) | (80,128) |
| Total inventories | $ 194,145 | 236,495 |
| Percentage of FIFO inventory | 6.00% | |
| Excess of replacement or current costs over stated LIFO value | $ 79,400 | $ 61,300 |
| X | ||||||||||
- Definition The excess of replacement or current cost over the stated LIFO (last in first out) inventory value when the LIFO inventory method is utilized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount before valuation reserves of merchandise or goods held by the entity that are readily available for sale and items held by the entity which are partially complete or in the process of being readied for sale. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount by which inventory stated at last-in first-out (LIFO) is less than (in excess of) inventory stated at other inventory cost methods. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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/disclosureRef
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- Definition Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before valuation and LIFO reserves of other inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The percentage of FIFO (first in first out) inventory to total inventory as of the balance sheet date if other than 100 percent. No definition available.
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