Debt (Senior Unsecured Notes) (Details) - USD ($)								12 Months Ended
Debt (Senior Unsecured Notes) (Details) - USD ($)	Apr. 03, 2025	Dec. 20, 2024	Dec. 19, 2024	May 09, 2024	Dec. 07, 2023	Jan. 25, 2023	Jan. 16, 2020	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Jul. 19, 2024	Apr. 22, 2021	Dec. 17, 2020	Dec. 11, 2017
Debt Instrument [Line Items]
Repayments of Unsecured Debt								$ 414,370,000	$ 926,903,000	$ 875,969,000
Loss on debt extinguishment								(9,779,000)	(15,367,000)	$ (4,627,000)
Unamortized Discount and Debt Issuance Costs								38,945,000	48,745,000
Senior unsecured notes								$ 3,040,415,000	3,436,860,000
Senior Notes [Member]
Debt Instrument [Line Items]
Redemption of up to 35% of the principal amount of notes with the proceeds of an equity offering permitted prior to								35.00%
Senior Notes [Member] \| Guarantor Subsidiaries \| Genesis Energy, LLC \| Genesis Finance Corporation
Debt Instrument [Line Items]
Percentage of equity interest								100.00%
5.625% senior unsecured notes due 2024 \| Senior Notes [Member]
Debt Instrument [Line Items]
Debt interest rate						5.625%
Redemption of up to 35% of the principal amount of notes with the proceeds of an equity offering permitted prior to								35.00%
2030 Notes \| Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount						$ 500,000,000
Debt interest rate						8.875%
Proceeds from issuance of debt, net of discount						$ 491,000,000
6.500% senior unsecured notes due 2025 \| Senior Notes [Member]
Debt Instrument [Line Items]
Redemption of up to 35% of the principal amount of notes with the proceeds of an equity offering permitted prior to								35.00%
6.250% senior unsecured notes due 2026 \| Senior Notes [Member]
Debt Instrument [Line Items]
Debt interest rate														6.25%
Repayments of Unsecured Debt				$ 339,300,000
Loss on debt extinguishment									1,400,000
Redemption of up to 35% of the principal amount of notes with the proceeds of an equity offering permitted prior to								35.00%
7.750% senior unsecured notes due 2028 \| Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount							$ 750,000,000
Debt interest rate								7.75%			7.75%
Proceeds from issuance of debt, net of discount							$ 737,000,000
Unamortized Discount and Debt Issuance Costs								$ 3,123,000	4,622,000
8.000% senior unsecured notes due 2027 \| Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount												$ 250,000,000	$ 750,000,000
Debt interest rate								8.00%					8.00%
Repayments of Unsecured Debt	$ 406,200,000	$ 575,000,000
Loss on debt extinguishment	$ 8,900,000
Unamortized Discount and Debt Issuance Costs								$ 0	$ 933,000
Redemption of up to 35% of the principal amount of notes with the proceeds of an equity offering permitted prior to								35.00%
2029 Notes \| Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount			$ 600,000,000		$ 600,000,000
Debt interest rate			8.00%		8.25%
Proceeds from issuance of debt, net of discount			$ 589,000,000		$ 583,000,000
Unamortized Discount and Debt Issuance Costs					6,200,000
Senior Notes [Member]
Debt Instrument [Line Items]
Senior unsecured notes								$ 3,100,000,000
Senior Notes [Member] \| 5.625% senior unsecured notes due 2024
Debt Instrument [Line Items]
Debt Instrument, Face Amount						25,000,000
Loss on debt extinguishment			14,000,000.0
Repayments of Long-term Debt						$ 316,000,000
Senior Notes [Member] \| 6.500% senior unsecured notes due 2025
Debt Instrument [Line Items]
Debt Instrument, Face Amount					535,000,000
Repayments of Unsecured Debt					21,000,000
Repayments of Long-term Debt			$ 575,000,000.0		$ 514,000,000
Senior Notes [Member] \| 2032 Notes
Debt Instrument [Line Items]
Debt Instrument, Face Amount				$ 700,000,000
Debt interest rate				7.875%

GENESIS ENERGY LP 10-K