Business Segment Information (Reconciliation of Segment Margin to (Loss) Income from Continuing Operations) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net income (loss) attributable to Genesis Energy, L.P.	$ 11,353	$ (1,644)
Corporate general and administrative expenses	16,049	15,764
Depreciation, depletion, amortization and accretion	76,543	75,935
Interest expense, net	68,734	60,854
Adjustment to include distributable cash generated by equity investees not included in income and exclude equity in investees net income(1)	6,808	6,281
Unrealized losses (gains) on derivative transactions excluding fair value hedges, net of changes in inventory value	(5,081)	27,132
Other non-cash items	(2,189)	(2,461)
Loss on extinguishment of debt(2)	0	(1,809)
Differences in timing of cash receipts for certain contractual arrangements(3)	8,072	10,575
Income tax expense	809	884
Total Segment Margin	181,098	195,129
Unrealized (losses) gains from valuation of embedded derivatives	$ 5,081	$ (27,127)
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%