Related Party Transactions - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Jul. 28, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	May 31, 2023
Related Party Transaction [Line Items]
Stock repurchase program, authorized amount						$ 150,000,000
Common Stock [Member]
Related Party Transaction [Line Items]
Stock repurchase program, average cost of repurchased shares		$ 9.78
Eldridge [Member] | Senior Secured Notes [Member]
Related Party Transaction [Line Items]
Debt issued - principal amount		$ 30,000,000		$ 30,000,000
Jack E. Golsen [Member]
Related Party Transaction [Line Items]
Payment of death benefits	$ 2,500,000
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		$ 3,000,000
Gain on insurance settlement					$ 3,000,000
Settlement payment received	$ 3,000,000
LSB Funding [Member] | Common Stock [Member]
Related Party Transaction [Line Items]
Stock repurchase authorized			5.5		5.5
Stock repurchase acquired, average cost per share			$ 12