Business Segment Information (Reconciliation of Segment Margin to Net Income) (Details) - USD ($) $ in Thousands		12 Months Ended
	Apr. 29, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting [Abstract]
Net income (loss) attributable to Genesis Energy L.P.		$ 75,457	$ (165,067)	$ (416,678)
Corporate general and administrative expenses		71,820	61,287	51,457
Depreciation, depletion, amortization and accretion		307,519	315,896	302,602
Interest expense		226,156	233,724	209,779
Adjustment to exclude distributable cash generated by equity investees not included in income and include equity in investees net income(1)		21,199	26,207	17,042
Other non-cash items		(8,315)	30,907	5,847
Distributions from unrestricted subsidiaries not included in income		32,000	70,000	70,490
Cancellation of debt income		(8,618)	0	(27,302)
Loss on debt extinguishment		794	1,627	31,730
Differences in timing of cash receipts for certain contractual arrangements		51,102	15,482	40,848
Loss (gain) on sale of assets		(32,000)	0	22,045
Change in provision for leased items no longer in use		(671)	598	1,347
Income tax expense		3,169	1,670	1,327
Redeemable noncontrolling interest redemption value adjustment		30,443	25,398	16,113
Impairment expense		0	0	280,826
Total Segment Margin		770,055	617,729	607,473
Segment Reporting Information [Line Items]
Distributions from unrestricted subsidiaries not included in income		32,000	70,000	70,490
Genesis NEJD Pipeline, LLC
Segment Reporting [Abstract]
Distributions from unrestricted subsidiaries not included in income			70,000
Segment Reporting Information [Line Items]
Distributions from unrestricted subsidiaries not included in income			70,000
Embedded Derivative Financial Instruments | Other expense, net
Segment Reporting Information [Line Items]
Derivatives, amount of gain (loss) recognized in income		(18,584)	(30,838)	(857)
Commodity Derivatives | Other expense, net
Segment Reporting Information [Line Items]
Derivatives, amount of gain (loss) recognized in income		(24,400)	$ (100)	300
Disposal Group, Disposed of by Sale, Not Discontinued Operations | NEJD Pipeline
Segment Reporting [Abstract]
Distributions from unrestricted subsidiaries not included in income				48,000
Segment Reporting Information [Line Items]
Distributions from unrestricted subsidiaries not included in income				48,000
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Free State Pipeline
Segment Reporting [Abstract]
Distributions from unrestricted subsidiaries not included in income				22,500
Segment Reporting Information [Line Items]
Distributions from unrestricted subsidiaries not included in income				$ 22,500
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Independence Hub, LLC
Segment Reporting [Abstract]
Distributions from unrestricted subsidiaries not included in income		32,000
Segment Reporting Information [Line Items]
Distributions from unrestricted subsidiaries not included in income		32,000
Proceeds from Sale of Productive Assets	$ 40,000	$ 40,000