Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Restructuring, Impairment and Plant Closing Costs (Details Textual)

v3.23.3
Note 6 - Restructuring, Impairment and Plant Closing Costs (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Employee Severance [Member] | Polyurethanes [Member]        
Restructuring Charges     $ 5,000 $ 7,000
Restructuring and Related Cost, Expected Cost $ 0   0  
Site Closure [Member] | Advanced Materials [Member]        
Restructuring Charges     4,000 1,000
Restructuring and Related Cost, Expected Cost 1,000   1,000  
Restructuring Program to Realign Cost Structure [Member]        
Restructuring Charges     2,000  
Restructuring and Related Cost, Expected Cost 12,000   12,000  
Program to Optimize Global Approach to Leveraging Shared Services Capabilities [Member] | Employee Severance [Member] | Corporate, Non-Segment [Member]        
Restructuring Charges 6,000     $ 15,000
Restructuring and Related Cost, Expected Cost $ 1,000   $ 1,000  
Program to Optimize Global Approaches to Leveraging Managed Services in Various Information Technology Functions [Member] | Employee Severance [Member]        
Restructuring Charges   $ 12,000