Net Income (Loss) Per Common Unit (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Earnings Per Share Reconciliation [Abstract]
Net income (loss) attributable to Genesis Energy L.P.	$ (63,947,000)	$ 117,720,000	$ 75,457,000
Less: Accumulated distributions and returns attributable to Class A Convertible Preferred Units	(87,576,000)	(90,725,000)	(80,052,000)
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON UNITHOLDERS-BASIC	(151,523,000)	26,995,000	(4,595,000)
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON UNITHOLDERS-DILUTED	$ (151,523,000)	$ 26,995,000	$ (4,595,000)
Basic Weighted Average Outstanding Common Units (in units)	122,464,000	122,535,000	122,579,000
Dilutive Weighted Average Outstanding Common Units (in units)	122,464,000	122,535,000	122,579,000
Basic Net Income (Loss) per Common Unit (in dollars per unit)	$ (1.24)	$ 0.22	$ (0.04)
Dilutive Net Income (Loss) per Common Unit (in dollars per unit)	$ (1.24)	$ 0.22	$ (0.04)