Quarterly report [Sections 13 or 15(d)]

Note 8 - Restructuring, Impairment and Plant Closing Costs (Details Textual)

v3.25.2
Note 8 - Restructuring, Impairment and Plant Closing Costs (Details Textual)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Number of Operating Segments     3  
Restructuring Charges     $ 43,000  
Asset Impairment Charges $ 77,000 $ 0 77,000 $ 0
Restructuring Program to Reduce Organizational Structure Costs [Member]        
Restructuring Charges (Credits)     (2,000) 3,000
Polyurethanes [Member] | Restructuring Program to Reduce Organizational Structure Costs [Member]        
Restructuring Charges     38,000  
Restructuring and Related Cost, Expected Cost 24,000   24,000  
Workforce Reduction and Contract Termination [Member] | Performance Products [Member] | European Maleic Anhydride Manufacturing Facility Closure in Moers Germany[Member]        
Restructuring Charges     88,000  
Asset Impairment Charges     77,000  
Restructuring and Related Cost, Expected Cost 0   0  
Facility Closing [Member] | Performance Products [Member] | European Maleic Anhydride Manufacturing Facility Closure in Moers Germany[Member]        
Goodwill, Impairment Loss     14,000  
Employee Severance and Accelerated Depreciation [Member] | Advanced Materials [Member] | Restructuring Program to Optimize the Segment’s Manufacturing Processes and Cost Structure [Member]        
Restructuring Charges     1,000 $ 11,000
Restructuring and Related Cost, Expected Cost $ 6,000   $ 6,000