XML 79 R1.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Feb. 14, 2020
Jun. 30, 2019
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Trading Symbol LXU    
Entity Registrant Name LSB INDUSTRIES INC    
Entity Central Index Key 0000060714    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   29,335,920  
Entity Public Float     $ 80
Entity Interactive Data Current Yes    
Title of 12(b) Security Common Stock, Par Value $.10    
Security Exchange Name NYSE    
Entity File Number 1-7677    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 73-1015226    
Entity Address, Address Line One 3503 NW 63rd Street    
Entity Address, Address Line Two Suite 500    
Entity Address, City or Town Oklahoma City    
Entity Address, State or Province OK    
Entity Address, Postal Zip Code 73116    
City Area Code 405    
Local Phone Number 235-4546    
Document Annual Report true    
Document Transition Report false    
Documents Incorporated by Reference

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the Registrant’s proxy statement for its annual meeting of stockholders will be filed with the Securities and Exchange Commission within 120 days after the end of its 2019 fiscal year, are incorporated by reference in Part III.