Business Segment Information (Reconciliation of Segment Margin to Net Income) (Details) - USD ($)		12 Months Ended
	Apr. 29, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting [Abstract]
Net income (loss) attributable to Genesis Energy L.P.		$ 117,720,000	$ 75,457,000	$ (165,067,000)
Corporate general and administrative expenses		73,876,000	71,820,000	61,287,000
Interest expense		244,663,000	226,156,000	233,724,000
Adjustment to include distributable cash generated by equity investees not included in income and exclude equity in investees net income(1)		(24,635,000)	(21,199,000)	26,207,000
Other non-cash items		(13,488,000)	8,315,000	30,907,000
Cancellation of debt income		0	(8,618,000)	0
Loss on debt extinguishment		(4,627,000)	(794,000)	1,627,000
Income tax benefit (expense)		(19,000)	3,169,000	1,670,000
Redeemable noncontrolling interest redemption value adjustment		0	30,443,000	25,398,000
Total Segment Margin		827,062,000	770,055,000	617,729,000
Segment Reporting Information [Line Items]
Net loss for the period including earnings			(18,584,000)
Unrealized gain (loss) on derivatives		(36,635,000)	5,823,000	(30,700,000)
Depreciation, Depletion, Amortization And Accretion		291,731,000	307,519,000	(315,896,000)
Distribution from unrestricted subsidiaries not included in income		0	32,000,000	(70,000,000)
Differences In Timing Of Cash Receipts For Certain Contractual Arrangements		56,341,000	51,102,000	15,482,000
Write Off Of Amortization Of Leased Assets, Sublease Income And Other Adjustments		0	671,000	598,000
Gain (Loss) on Disposition of Assets, Net to Our Ownership Interest		0	(32,000,000)	0
Embedded Derivative Financial Instruments
Segment Reporting Information [Line Items]
Net loss for the period including earnings				(30,838,000)
Level 3 | Embedded Derivative Financial Instruments
Segment Reporting Information [Line Items]
Net loss for the period including earnings		$ 0	(18,584,000)	(30,838,000)
Genesis Energy, LLC | Affiliated Entity | Independence Hub, LLC
Segment Reporting Information [Line Items]
Percentage of ownership equity interest		80.00%
Genesis NEJD Pipeline, LLC
Segment Reporting [Abstract]
Distributions from unrestricted subsidiaries not included in income			70,000,000
Segment Reporting Information [Line Items]
Distributions from unrestricted subsidiaries not included in income			70,000,000
Embedded Derivative Financial Instruments
Segment Reporting Information [Line Items]
Net loss for the period including earnings				(30,800,000)
Unrealized gain (loss) on derivatives			(18,600,000)	(30,800,000)
Commodity Derivatives
Segment Reporting Information [Line Items]
Net loss for the period including earnings		$ (20,755,000)	7,416,000	(16,525,000)
Unrealized gain (loss) on derivatives		36,700,000	(24,400,000)	$ (100,000)
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Independence Hub, LLC
Segment Reporting [Abstract]
Distributions from unrestricted subsidiaries not included in income			32
Segment Reporting Information [Line Items]
Distributions from unrestricted subsidiaries not included in income			$ 32
Proceeds from Sale of Productive Assets	$ 40,000,000	$ 40,000,000