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Employee Savings and Stock Purchase Plans, Collective Bargaining Agreements and Executive Benefit Agreement - Additional Information (Detail)
 1 Months Ended 12 Months Ended
Mar. 31, 2023
Apr. 30, 2023
Jul. 28, 2022
USD ($)
Dec. 31, 2024
USD ($)
Person
Contract
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Dec. 31, 2022
USD ($)
$ / shares
shares
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items]            
401(k) plan, Employer matching contribution percentage 50.00%          
Defined contribution plan, employer discretionary contribution amount       $ 2,300,000 $ 1,900,000 $ 1,300,000
Number of persons employed | Person       583    
Union contracts agreement period       3 years    
Number of union contracts ratified | Contract       3    
Collective Bargaining Agreements [Member]            
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items]            
Number of persons employed | Person       164    
Maximum [Member]            
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items]            
401(k) plan, Company matching contributions to all full-time employees 8.00% 5.00%        
Employee Stock Purchase Plan [Member]            
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items]            
Offering period of each year           6 months
Percentage of purchase price of common stock           90.00%
Maximum number of shares reserved and available for issuance | shares       4,435,000    
Employee Stock Purchase Plan [Member] | Maximum [Member]            
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items]            
Maximum number of shares reserved and available for issuance | shares           4,500,000
Jack E. Golsen [Member]            
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items]            
Retirement date       Dec. 31, 2017    
Minimum amount of life insurance policy to be kept by the company for 2005 Agreement       $ 2,500,000    
Face value of life insurance policies       $ 3,000,000    
Settlement payment received     $ 3,000,000      
Payment of death benefits     $ 2,500,000      
Gain on insurance settlement           $ 3,000,000
Treasury Stock [Member] | Employee Stock Purchase Plan [Member]            
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items]            
Number of shares issued | shares       32,000 24,000 9,000
Closing price per share | $ / shares       $ 7.85 $ 9.59 $ 13.3