UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
REVENUES:
Total revenues	$ 446,555,000	$ 398,311,000
COSTS AND EXPENSES:
General and administrative	17,524,000	40,642,000
Depreciation and amortization	58,909,000	56,171,000
Total costs and expenses	369,942,000	376,338,000
OPERATING INCOME	76,613,000	21,973,000
Equity in earnings of equity investees	14,162,000	12,492,000
Interest expense, net	(67,978,000)	(70,038,000)
Other expense	(3,540,000)	(844,000)
Income (loss) from continuing operations before income taxes	19,257,000	(36,417,000)
Income tax expense	(112,000)	(144,000)
NET INCOME (LOSS) FROM CONTINUING OPERATIONS	19,145,000	(36,561,000)
DISCONTINUED OPERATIONS (Note 4):
Income from discontinued operations, net of tax	0	8,448,000
Loss from disposal of discontinued operations	0	(432,193,000)
NET LOSS FROM DISCONTINUED OPERATIONS, NET OF TAX	0	(423,745,000)
NET INCOME (LOSS)	19,145,000	(460,306,000)
Net income attributable to noncontrolling interests	(12,345,000)	(8,769,000)
NET INCOME (LOSS) ATTRIBUTABLE TO GENESIS ENERGY, L.P.	6,800,000	(469,075,000)
Less: Accumulated distributions and returns attributable to Class A Convertible Preferred Units	(13,583,000)	(28,402,000)
NET LOSS ATTRIBUTABLE TO COMMON UNITHOLDERS-BASIC	(6,783,000)	(497,477,000)
NET LOSS ATTRIBUTABLE TO COMMON UNITHOLDERS-DILUTED	$ (6,783,000)	$ (497,477,000)
Net loss from continuing operations per common unit, diluted (in dollars per unit)	$ (0.06)	$ (0.60)
Net loss from continuing operations per common unit, basic (in dollars per unit)	(0.06)	(0.60)
Net loss per common unit, basic (in dollars per unit)	(0.06)	(4.06)
Net loss per common unit, diluted (in dollars per unit)	$ (0.06)	$ (4.06)
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
Offshore pipeline transportation
COSTS AND EXPENSES:
Cost of products and services sold	$ 43,170,000	$ 32,936,000
Marine transportation
COSTS AND EXPENSES:
Cost of products and services sold	52,121,000	50,889,000
Onshore transportation and services product costs
COSTS AND EXPENSES:
Cost of products and services sold	140,093,000	127,691,000
Onshore transportation and services operating costs
COSTS AND EXPENSES:
Cost of products and services sold	58,125,000	68,009,000
Offshore pipeline transportation
REVENUES:
Total revenues	147,281,000	108,887,000
Offshore pipeline transportation | Offshore pipeline transportation
REVENUES:
Total revenues	147,281,000	108,887,000
Marine transportation
REVENUES:
Total revenues	80,045,000	80,644,000
Marine transportation | Marine transportation
REVENUES:
Total revenues	80,045,000	80,644,000
Onshore transportation and services
REVENUES:
Total revenues	219,229,000	208,780,000
Onshore transportation and services | Onshore transportation and services
REVENUES:
Total revenues	$ 219,229,000	$ 208,780,000