Business Consolidation - Unaudited Consolidated Balance Sheet and Statements of Operations (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Net Income Attributable to Genesis Energy, L.P.		$ 804,662		$ 1,595,274
Net Income Attributable to Common Unitholders		49,344		47,700
Net Loss Attributable to Common Unitholders, Diluted (in dollars per unit)		26,434		788
Net Loss Attributable to Common Unitholders, Basic (in dollars per unit)		$ 26,434		$ 788
Diluted (in dollars per unit)	$ (0.25)	$ 0.22	$ (0.34)	$ 0.01
Basic Net Loss per Common Unit (in dollars per unit)	$ (0.25)	0.22	$ (0.34)	0.01
Pro forma net loss per common unit, diluted (in dollars per unit)		0.22		0.01
Pro Forma net loss per common unit, basic (in dollars per unit)		$ 0.22		$ 0.01
American Natural Soda Ash Corp. (ANSAC)
Business Acquisition [Line Items]
Cash and cash equivalents					$ 4,332
Accounts receivable - trade, net					231,797
Inventories					19,522
Other current assets					14,203
Fixed assets, at cost					4,000
Right of use assets, net					93,208
Intangible assets, net of amortization					14,992
Other Assets, net of amortization					400
Accounts payable - trade(1)					(228,106)
Accrued liabilities					(75,224)
Deferred tax liabilities					1,482
Other long-term liabilities					(77,642)
Net Assets					$ 0
American Natural Soda Ash Corp. (ANSAC) | Consolidation, Eliminations [Member]
Business Acquisition [Line Items]
Accounts receivable - trade, net						$ 133,400