| Document and Entity Information Document | Jul. 31, 2024 |
| Entity Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Jul. 31, 2024 |
| Entity Registrant Name | LXP INDUSTRIAL TRUST |
| Entity Central Index Key | 0000910108 |
| Amendment Flag | false |
| Entity Incorporation, State or Country Code | MD |
| Entity File Number | 1-12386 |
| Entity Tax Identification Number | 13-3717318 |
| Entity Address, Address Line One | 515 N Flagler Dr, Suite 408, |
| Entity Address, City or Town | West Palm Beach, |
| Entity Address, State or Province | FL |
| Entity Address, Postal Zip Code | 33401 |
| City Area Code | 212 |
| Local Phone Number | 692-7200 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| NEW YORK STOCK EXCHANGE, INC. [Member] | Common Class A [Member] | |
| Entity Information [Line Items] | |
| Title of 12(b) Security | Shares of beneficial interest, par value $0.0001 per share, classified as Common Stock |
| Trading Symbol | LXP |
| Security Exchange Name | NYSE |
| NEW YORK STOCK EXCHANGE, INC. [Member] | Series C Preferred Stock [Member] | |
| Entity Information [Line Items] | |
| Title of 12(b) Security | 6.50% Series C Cumulative Convertible Preferred Stock, par value $0.0001 per share |
| Trading Symbol | LXPPRC |
| Security Exchange Name | NYSE |
