Business Segment Information (Reconciliation of Segment Margin to (Loss) Income from Continuing Operations) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net income (loss) attributable to Genesis Energy, L.P.	$ (17,177)	$ 58,070	$ (14,568)	$ 105,770
Corporate general and administrative expenses	13,175	18,329	49,231	52,580
Depreciation, depletion, amortization and accretion	84,610	71,099	(241,539)	(218,788)
Interest expense, net	71,984	61,580	211,588	184,057
Adjustment to include distributable cash generated by equity investees not included in income and exclude equity in investees net income(1)	6,855	6,387	(18,542)	(18,535)
Unrealized losses (gains) on derivative transactions excluding fair value hedges, net of changes in inventory value	1,606	(12,299)	(9,335)	17,721
Other non-cash items	(1,573)	(7,228)	6,258	16,886
Loss on extinguishment of debt	0	0	1,429	1,812
Differences in timing of cash receipts for certain contractual arrangements(2)	(7,526)	11,385	8,366	33,519
Income tax benefit (expense)	(846)	574	(15)	1,748
Total Segment Margin	$ 151,108	$ 207,897	500,519	617,644
Unrealized (losses) gains from valuation of embedded derivatives			$ 9,364	$ (17,721)
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%