Business Segment Information (Reconciliation of Segment Margin to (Loss) Income from Continuing Operations) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting [Abstract]
Net loss attributable to Genesis Energy, L.P.	$ (1,644)	$ (5,250)
Corporate general and administrative expenses	15,764	15,721
Depreciation, depletion, amortization and accretion	(75,935)	(72,948)
Interest expense	60,854	55,104
Adjustment to exclude distributable cash generated by equity investees not included in income and include equity in investees net income	(6,281)	(6,574)
Other non-cash items	(24,671)	3,571
Loss on extinguishment of debt	(1,809)	0
Differences in timing of cash receipts for certain contractual arrangements	10,575	8,230
Change in provision for leased items no longer in use	0	431
Redeemable noncontrolling interest redemption value adjustments	0	7,823
Income tax expense	884	304
Total Segment Margin	195,129	157,452
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Unrealized (losses) gains from valuation of embedded derivatives	(27,127)	1,903
Net loss attributable to Genesis Energy, L.P.	(1,644)	(5,250)
Total Segment Margin	195,129	157,452
Other General and Administrative Expense	15,764	15,721
Depreciation, depletion, amortization and accretion	(75,935)	(72,948)
Interest expense	(60,854)	(55,104)
Distributable cash from equity investees in excess of equity in earnings	(6,281)	(6,574)
Non-Cash Expenses (Revenues) Not Included In Segment Margin	(24,671)	3,571
Loss on extinguishment of debt	1,809	0
Differences in timing of cash receipts for certain contractual arrangements	10,575	8,230
Change in provision for leased items no longer in use	0	(431)
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest	0	7,823
Income tax expense	884	304
Commodity Derivatives | Contracts not considered hedges under accounting guidance
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Unrealized (losses) gains from valuation of embedded derivatives	$ 27,100	(6,200)
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		$ (4,258)