UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
REVENUES:
Total revenues	$ 714,297	$ 807,618	$ 2,240,663	$ 2,402,892
COSTS AND EXPENSES:
General and administrative	15,042	16,770	48,597	48,253
Depreciation, depletion and amortization	81,837	68,379	233,221	209,966
Total costs and expenses	664,080	695,924	2,059,667	2,139,033
OPERATING INCOME	50,217	111,694	180,996	263,859
Equity in earnings of equity investees	11,634	17,242	40,288	49,606
Interest expense, net	(71,984)	(61,580)	(211,588)	(184,057)
Other expense	0	0	(1,429)	(1,812)
Income (loss) from operations before income taxes	(10,133)	67,356	8,267	127,596
Income tax benefit (expense)	846	(574)	15	(1,748)
NET INCOME (LOSS)	(9,287)	66,782	8,282	125,848
Net income attributable to noncontrolling interests	(7,890)	(8,712)	(22,850)	(20,078)
NET INCOME (LOSS) ATTRIBUTABLE TO GENESIS ENERGY, L.P.	(17,177)	58,070	(14,568)	105,770
Less: Accumulated distributions and returns attributable to Class A Convertible Preferred Units	(21,894)	(22,308)	(65,682)	(69,220)
NET LOSS ATTRIBUTABLE TO COMMON UNITHOLDERS-BASIC	(39,071)	35,762	(80,250)	36,550
NET LOSS ATTRIBUTABLE TO COMMON UNITHOLDERS-DILUTED	$ (39,071)	$ 35,762	$ (80,250)	$ 36,550
Net Income (Loss), Per Outstanding Limited Partnership Unit, Basic, Net of Tax [Abstract]
Basic (in dollars per unit)	$ (0.32)	$ 0.29	$ (0.66)	$ 0.30
Diluted (in dollars per unit)	$ (0.32)	$ 0.29	$ (0.66)	$ 0.30
Earnings Per Unit [Abstract]
Basic (in units)	122,464	122,521	122,464	122,559
Diluted (in units)	122,464	122,521	122,464	122,559
Fee-based revenues
REVENUES:
Total revenues	$ 197,059	$ 203,286	$ 597,241	$ 574,790
Offshore pipeline transportation
REVENUES:
Total revenues	101,119	106,297	302,133	289,151
Offshore pipeline transportation | Offshore Pipeline Transportation Revenue
REVENUES:
Total revenues	101,119	106,297	302,133	289,151
COSTS AND EXPENSES:
Cost of products and services sold	30,303	23,651	88,013	71,515
Offshore pipeline transportation | Fee-based revenues
REVENUES:
Total revenues	101,119	106,297	302,133	289,151
Soda and sulfur services
REVENUES:
Total revenues	370,065	423,575	1,161,007	1,331,078
Soda and sulfur services | Sodium Minerals and Sulfur Services Revenue
REVENUES:
Total revenues	370,065	423,575	1,161,007	1,331,078
COSTS AND EXPENSES:
Cost of products and services sold	333,844	344,963	1,029,102	1,123,850
Soda and sulfur services | Fee-based revenues
REVENUES:
Total revenues	0	0	0	0
Marine transportation
REVENUES:
Total revenues	78,496	80,220	243,941	240,789
Marine transportation | Marine Transportation Revenue
REVENUES:
Total revenues	78,496	80,220	243,941	240,789
COSTS AND EXPENSES:
Cost of products and services sold	47,219	53,371	150,229	162,955
Marine transportation | Fee-based revenues
REVENUES:
Total revenues	78,496	80,220	243,941	240,789
Onshore facilities and transportation
REVENUES:
Total revenues	164,617	197,526	533,582	541,874
Onshore facilities and transportation | Onshore Facilities and Transportation Revenue
REVENUES:
Total revenues	164,617	197,526	533,582	541,874
Onshore facilities and transportation | Onshore Facilities and Transportation Product
COSTS AND EXPENSES:
Cost of products and services sold	137,440	171,142	456,983	469,627
Onshore facilities and transportation | Onshore Facilities and Transportation Services
COSTS AND EXPENSES:
Cost of products and services sold	18,395	17,648	53,522	52,867
Onshore facilities and transportation | Fee-based revenues
REVENUES:
Total revenues	$ 17,444	$ 16,769	$ 51,167	$ 44,850