| Cover page | Feb. 15, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Feb. 15, 2024 |
| Entity Registrant Name | GENESIS ENERGY LP |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 1-12295 |
| Entity Tax Identification Number | 76-0513049 |
| Entity Address, Address Line One | 811 Louisiana, |
| Entity Address, Address Line Two | Suite 1200, |
| Entity Address, City or Town | Houston, |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 77002 |
| City Area Code | 713 |
| Local Phone Number | 860-2500 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Units |
| Trading Symbol | GEL |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001022321 |
| Amendment Flag | false |
