Business Consolidations - Schedule of Pro Forma Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenues
Net Income Attributable to Genesis Energy, L.P.		$ 807,618		$ 2,402,892
Net Income Attributable to Common Unitholders		58,070		105,770
Net Loss Attributable to Common Unitholders, Basic (in dollars per unit)		35,762		36,550
Net Loss Attributable to Common Unitholders, Diluted (in dollars per unit)		$ 35,762		$ 36,550
As reported net income per common unit
Basic Net Loss per Common Unit (in dollars per unit)	$ (0.32)	$ 0.29	$ (0.66)	$ 0.30
Dilutive Net Loss per common unit (in dollars per unit)	$ (0.32)	0.29	$ (0.66)	0.30
Pro Forma net loss per common unit, basic (in dollars per unit)		0.29		0.30
Pro forma net loss per common unit, diluted (in dollars per unit)		$ 0.29		$ 0.30