Annual report pursuant to Section 13 and 15(d)

Note 3 - Business Combinations and Acquisitions (Details Textual)

v3.20.4
Note 3 - Business Combinations and Acquisitions (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 7 Months Ended 8 Months Ended 10 Months Ended 12 Months Ended
May 18, 2020
Feb. 20, 2020
Sep. 30, 2019
Apr. 23, 2018
Sep. 30, 2018
Dec. 31, 2020
Dec. 31, 2018
Dec. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Business Combination, Acquisition Related Costs                 $ 0 $ 0 $ 2,000
Adjustments to Additional Paid in Capital, Acquisition of Noncontrolling Interests                   (84,000)  
Sasol-Huntsman [Member]                      
Percentage of Joint Venture Acquired     50.00%                
Payments to Acquire Interest in Joint Venture     $ 101,000                
Adjustments to Additional Paid in Capital, Acquisition of Noncontrolling Interests                   $ (11,000) 0
CVC Thermoset Specialties [Member]                      
Payments to Acquire Businesses, Gross $ 304,000                    
Business Combination, Acquisition Related Costs                 $ 5,000    
Finite-Lived Intangible Asset, Useful Life (Year)                 20 years    
Business Acquisition, Goodwill, Expected Tax Deductible Amount           $ 0   $ 0 $ 0    
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual           43,000          
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual           (6,000)          
Icynene-Lapolla [Member]                      
Payments to Acquire Businesses, Gross   $ 353,000                  
Business Combination, Acquisition Related Costs                 14,000    
Business Acquisition, Goodwill, Expected Tax Deductible Amount           $ 0   0 $ 0    
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual               199,000      
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual               $ 12,000      
Business Combination, Consideration Transferred, Total   $ 353,000                  
Demilec Acquisition [Member]                      
Business Combination, Acquisition Related Costs                     $ 5,000
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual             $ 142,000        
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual             $ 5,000        
Business Combination, Consideration Transferred, Total       $ 353,000              
Business Acquisition, Percentage of Voting Interests Acquired       100.00%              
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)       15 years              
Cash Acquired from Purchase Price Adjustment from Acquisition         $ 4,000