Business Segment Information (Reconciliation of Segment Margin to (Loss) Income from Continuing Operations) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 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.	$ (8,744)	$ 49,344	$ 2,609	$ 47,700
Corporate general and administrative expenses	20,007	18,487	36,056	34,251
Depreciation, depletion, amortization and accretion	80,386	71,754	(156,929)	(147,689)
Interest expense, net	70,870	61,623	139,604	122,477
Adjustment to include distributable cash generated by equity investees not included in income and exclude equity in investees net income(1)	4,879	5,867	(11,687)	(12,148)
Unrealized losses (gains) on derivative transactions excluding fair value hedges, net of changes in inventory value	(5,860)	2,888	(10,941)	30,020
Other non-cash items	(2,496)	(7,197)	4,685	9,658
Loss on extinguishment of debt	(1,429)	(3)	1,429	1,812
Differences in timing of cash receipts for certain contractual arrangements(3)	7,820	11,559	15,892	22,134
Income tax expense	22	290	831	1,174
Total Segment Margin	$ 168,313	$ 214,618	349,411	409,747
Unrealized (losses) gains from valuation of embedded derivatives			$ 10,941	$ (30,021)
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%