| Document and Entity Information | Nov. 01, 2023 |
| Document Information [Line Items] | |
| Document Type | 8-K/A |
| Amendment Flag | true |
| Document Period End Date | Nov. 01, 2023 |
| Entity Registrant Name | LSB INDUSTRIES, INC. |
| Entity Central Index Key | 0000060714 |
| Entity File Number | 1-7677 |
| Entity Incorporation State 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Amendment Description | Explanatory NoteThis Current Report on Form 8-K/A (this “Amendment”) is being filed to correct a Current Report on Form 8-K filed by us on November 1, 2023, which was filed with the incorrect version of a Press Release included as Exhibit 99.1. This Amendment includes the correct version of the Press Release as Exhibit 99.1 and the Press Release has been reissued. The sole purpose of this Amendment is to correct the version of the Press Release exhibit. No other changes have been made to the original report. |
| Common Stock [Member] | |
| Document Information [Line Items] | |
| Security 12b Title | Common Stock, Par Value $.10 |
| Trading Symbol | LXU |
| Security Exchange Name | NYSE |
| Preferred Stock [Member] | |
| Document Information [Line Items] | |
| Security 12b Title | Preferred Stock Purchase Rights |
| No Trading Symbol Flag | true |
| Security Exchange Name | NYSE |
