Business Segment Information (Reconciliation of Segment Margin to (Loss) Income from Continuing Operations) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Apr. 29, 2022	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting [Abstract]
Net income (loss) attributable to Genesis Energy, L.P.		$ 3,385	$ (20,899)	$ 33,482	$ (96,805)
Corporate general and administrative expenses		18,132	14,878	54,958	38,389
Depreciation, depletion, amortization and accretion		(76,301)	(69,665)	225,526	208,346
Interest expense		57,710	59,940	168,773	176,938
Adjustment to exclude distributable cash generated by equity investees not included in income and include equity in investees net income		(5,247)	(7,142)	15,981	23,690
Other non-cash items		(24,636)	2,526	12,157	30,601
Distribution from unrestricted subsidiaries not included in income		0	17,500	(32,000)	(52,500)
Loss on extinguishment of debt		(293)	0	794	1,627
Differences in timing of cash receipts for certain contractual arrangements		13,775	657	38,482	7,402
Change in provision for leased items no longer in use		68	0	(599)	598
Redeemable noncontrolling interest redemption value adjustments		0	7,082	30,443	17,639
Income tax expense		660	423	1,535	1,170
Total Segment Margin		196,190	153,862	572,914	462,095
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Unrealized (losses) gains from valuation of embedded derivatives				(15,726)	(30,729)
Gain (Loss) on Disposition of Assets		0	0		0
Net income (loss) attributable to Genesis Energy, L.P.		3,385	(20,899)	33,482	(96,805)
Total Segment Margin		$ 196,190	153,862	572,914	462,095
Genesis NEJD Pipeline, LLC
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Cash receipts not included in income associated with principal payments of previously owned pipeline			$ 17,500	$ (32,000)	52,500
Genesis Energy, LLC | Affiliated Entity | Independence Hub, LLC
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent		80.00%		80.00%
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Independence Hub, LLC
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Proceeds from Sale of Productive Assets	$ 40,000			$ 32,000
Embedded Derivative Financial Instruments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Unrealized (losses) gains from valuation of embedded derivatives		$ 25,000		$ 18,600	$ 31,000