Business Consolidations - Schedule of Pro Forma Financial Information (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
Revenues
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, Basic (in dollars per unit)		26,434		788
Net Loss Attributable to Common Unitholders, Diluted (in dollars per unit)		$ 26,434		$ 788
As reported net income per common unit
Basic Net Loss per Common Unit (in dollars per unit)	$ (0.25)	$ 0.22	$ (0.34)	$ 0.01
Dilutive Net Loss per common unit (in dollars per unit)	$ (0.25)	0.22	$ (0.34)	0.01
Pro Forma net loss per common unit, basic (in dollars per unit)		0.22		0.01
Pro forma net loss per common unit, diluted (in dollars per unit)		$ 0.22		$ 0.01