Note 6 - Restructuring, Impairment and Plant Closing Costs (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2023 |
Jun. 30, 2022 |
Jun. 30, 2023 |
Jun. 30, 2022 |
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| Restructuring Charges (Credits) | $ 7,000 | $ 24,000 | $ 0 | $ 24,000 |
| Employee Severance [Member] | ||||
| Restructuring Charges (Credits) | (6,000) | |||
| Corporate and Other [Member] | Employee Severance [Member] | ||||
| Restructuring Charges (Credits) | (5,000) | 17,000 | ||
| Restructuring and Related Cost, Expected Cost | 2,000 | 2,000 | ||
| Polyurethanes [Member] | Employee Severance [Member] | ||||
| Restructuring and Related Cost, Expected Cost | 1,000 | 1,000 | ||
| Restructuring Charges | 5,000 | 7,000 | ||
| Advanced Materials [Member] | Site Closure [Member] | ||||
| Restructuring and Related Cost, Expected Cost | 1,000 | 1,000 | ||
| Restructuring Charges | 3,000 | $ 0 | ||
| Restructuring Program to Realign Cost Structure [Member] | ||||
| Restructuring Charges (Credits) | 3,000 | |||
| Restructuring and Related Cost, Expected Cost | $ 12,000 | $ 12,000 | ||
| X | ||||||||||
- Definition Amount of charges or credits associated with exit or disposal activities pursuant to an authorized plan. No definition available.
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- Definition Amount expected to be recognized in earnings for the specified restructuring cost. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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