Note 6 - Equity Investment (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Payments to Acquire Equity Method Investments | $ 39,200 | $ (0) | ||
| Sisecam Wyoming [Member] | ||||
| Equity Method Investment, Ownership Percentage | 49.00% | 49.00% | ||
| Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | $ 700 | $ 1,000 | $ 3,800 | 2,300 |
| Payments to Acquire Equity Method Investments | $ 0 | $ 0 | $ 39,200 | $ 0 |
| X | ||||||||||
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount after tax of reclassification adjustments of other comprehensive income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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