UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
REVENUES:
Total revenues	$ 398,311,000	$ 434,447,000
COSTS AND EXPENSES:
General and administrative	40,642,000	14,700,000
Depreciation and amortization	56,171,000	49,391,000
Total costs and expenses	376,338,000	376,392,000
OPERATING INCOME	21,973,000	58,055,000
Equity in earnings of equity investees	12,492,000	16,441,000
Interest expense, net	(70,038,000)	(62,334,000)
Other expense	(844,000)	0
Income (loss) from continuing operations before income taxes	(36,417,000)	12,162,000
Income tax expense	(144,000)	(809,000)
NET INCOME (LOSS) FROM CONTINUING OPERATIONS	(36,561,000)	11,353,000
DISCONTINUED OPERATIONS (Note 4):
Income from discontinued operations, net of tax	8,448,000	7,603,000
Loss from disposal of discontinued operations	(432,193,000)	0
NET INCOME (LOSS) FROM DISCONTINUED OPERATIONS, NET OF TAX	(423,745,000)	7,603,000
NET INCOME (LOSS)	(460,306,000)	18,956,000
Net income attributable to noncontrolling interests	(8,769,000)	(7,603,000)
NET INCOME (LOSS) ATTRIBUTABLE TO GENESIS ENERGY, L.P.	(469,075,000)	11,353,000
Less: Accumulated distributions and returns attributable to Class A Convertible Preferred Units	(28,402,000)	(21,894,000)
NET LOSS ATTRIBUTABLE TO COMMON UNITHOLDERS-BASIC	(497,477,000)	(10,541,000)
NET LOSS ATTRIBUTABLE TO COMMON UNITHOLDERS-DILUTED	$ (497,477,000)	$ (10,541,000)
Net loss from continuing operations per common unit, diluted (in dollars per unit)	$ (0.60)	$ (0.15)
Net loss from continuing operations per common unit, basic (in dollars per unit)	(0.60)	(0.15)
Net loss per common unit, basic (in dollars per unit)	(4.06)	(0.09)
Net loss per common unit, diluted (in dollars per unit)	$ (4.06)	$ (0.09)
WEIGHTED AVERAGE OUTSTANDING COMMON UNITS:
Weighted average outstanding units, basic (in units)	122,464,000	122,464,000
Weighted average outstanding units, diluted (in units)	122,464,000	122,464,000
Discontinued Operations, Disposed of by Sale
DISCONTINUED OPERATIONS (Note 4):
NET INCOME (LOSS) FROM DISCONTINUED OPERATIONS, NET OF TAX	$ (423,745,000)	$ 7,603,000
Offshore pipeline transportation
COSTS AND EXPENSES:
Cost of products and services sold	32,936,000	27,818,000
Marine transportation
COSTS AND EXPENSES:
Cost of products and services sold	50,889,000	52,408,000
Onshore transportation and services product costs
COSTS AND EXPENSES:
Cost of products and services sold	127,691,000	160,388,000
Onshore transportation and services operating costs
COSTS AND EXPENSES:
Cost of products and services sold	68,009,000	71,687,000
Offshore pipeline transportation
REVENUES:
Total revenues	108,887,000	101,990,000
Offshore pipeline transportation | Offshore pipeline transportation
REVENUES:
Total revenues	108,887,000	101,990,000
Marine transportation
REVENUES:
Total revenues	80,644,000	83,574,000
Marine transportation | Marine transportation
REVENUES:
Total revenues	80,644,000	83,574,000
Onshore transportation and services
REVENUES:
Total revenues	208,780,000	248,883,000
Onshore transportation and services | Onshore transportation and services
REVENUES:
Total revenues	$ 208,780,000	$ 248,883,000