UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
REVENUES:
Total revenues	$ 756,261	$ 804,662	$ 1,526,366	$ 1,595,274
COSTS AND EXPENSES:
General and administrative	18,546	16,931	33,555	31,483
Depreciation, depletion and amortization	77,613	68,427	151,384	141,587
Total costs and expenses	697,540	701,878	1,395,587	1,443,109
OPERATING INCOME	58,721	102,784	130,779	152,165
Equity in earnings of equity investees	12,213	14,811	28,654	32,364
Interest expense, net	(70,870)	(61,623)	(139,604)	(122,477)
Other expense	(1,429)	(4)	(1,429)	(1,812)
Income (loss) from operations before income taxes	(1,365)	55,968	18,400	60,240
Income tax expense	(22)	(290)	(831)	(1,174)
NET INCOME (LOSS)	(1,387)	55,678	17,569	59,066
Net income attributable to noncontrolling interests	(7,357)	(6,334)	(14,960)	(11,366)
NET INCOME (LOSS) ATTRIBUTABLE TO GENESIS ENERGY, L.P.	(8,744)	49,344	2,609	47,700
Less: Accumulated distributions and returns attributable to Class A Convertible Preferred Units	(21,894)	(22,910)	(43,788)	(46,912)
NET LOSS ATTRIBUTABLE TO COMMON UNITHOLDERS-BASIC	(30,638)	26,434	(41,179)	788
NET LOSS ATTRIBUTABLE TO COMMON UNITHOLDERS-DILUTED	$ (30,638)	$ 26,434	$ (41,179)	$ 788
Net Income (Loss), Per Outstanding Limited Partnership Unit, Basic, Net of Tax [Abstract]
Basic (in dollars per unit)	$ (0.25)	$ 0.22	$ (0.34)	$ 0.01
Diluted (in dollars per unit)	$ (0.25)	$ 0.22	$ (0.34)	$ 0.01
Earnings Per Unit [Abstract]
Basic (in units)	122,464	122,579	122,464	122,579
Diluted (in units)	122,464	122,579	122,464	122,579
Fee-based Revenues [Member]
REVENUES:
Total revenues	$ 199,325	$ 182,699	$ 400,182	$ 371,504
Offshore pipeline transportation
REVENUES:
Total revenues	99,024	91,459	201,014	182,854
Offshore pipeline transportation | Offshore Pipeline Transportation Revenue
REVENUES:
Total revenues	99,024	91,459	201,014	182,854
COSTS AND EXPENSES:
Cost of products and services sold	29,892	24,739	57,710	47,864
Offshore pipeline transportation | Fee-based Revenues [Member]
REVENUES:
Total revenues	99,024	91,459	201,014	182,854
Soda and sulfur services
REVENUES:
Total revenues	389,994	462,855	790,942	907,503
Soda and sulfur services | Sodium Minerals and Sulfur Services Revenue
REVENUES:
Total revenues	389,994	462,855	790,942	907,503
COSTS AND EXPENSES:
Cost of products and services sold	343,892	372,665	695,258	778,887
Soda and sulfur services | Fee-based Revenues [Member]
REVENUES:
Total revenues	0	0	0	0
Marine transportation
REVENUES:
Total revenues	81,871	77,343	165,445	160,569
Marine transportation | Marine Transportation Revenue
REVENUES:
Total revenues	81,871	77,343	165,445	160,569
COSTS AND EXPENSES:
Cost of products and services sold	50,602	51,848	103,010	109,584
Marine transportation | Fee-based Revenues [Member]
REVENUES:
Total revenues	81,871	77,343	165,445	160,569
Onshore facilities and transportation
REVENUES:
Total revenues	185,372	173,005	368,965	344,348
Onshore facilities and transportation | Onshore Facilities and Transportation Revenue
REVENUES:
Total revenues	185,372	173,005	368,965	344,348
Onshore facilities and transportation | Onshore Facilities and Transportation Product
COSTS AND EXPENSES:
Cost of products and services sold	159,155	149,429	319,543	298,485
Onshore facilities and transportation | Onshore Facilities and Transportation Services
COSTS AND EXPENSES:
Cost of products and services sold	17,840	17,839	35,127	35,219
Onshore facilities and transportation | Fee-based Revenues [Member]
REVENUES:
Total revenues	$ 18,430	$ 13,897	$ 33,723	$ 28,081