CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
REVENUES:
Total revenues	$ 1,824,655	$ 2,480,820	$ 2,912,770
COSTS AND EXPENSES:
General and administrative	56,920	52,687	66,898
Depreciation, depletion and amortization	295,322	319,806	313,190
Impairment expense	280,826	0	126,282
Loss (gain) on sale of assets	22,045	0	(42,264)
Total costs and expenses	2,070,613	2,208,117	2,742,522
OPERATING INCOME (LOSS)	(245,958)	272,703	170,248
Equity in earnings of equity investees	64,019	56,484	43,626
Interest expense	(209,779)	(219,440)	(229,191)
Other income (expense)	(7,269)	(9,026)	5,023
Income (loss) from operations before income taxes	(398,987)	100,721	(10,294)
Income tax expense	(1,327)	(655)	(1,498)
NET INCOME (LOSS)	(400,314)	100,066	(11,792)
Net loss (income) attributable to noncontrolling interests	(251)	(1,834)	5,717
Net income attributable to redeemable noncontrolling interests	(16,113)	(2,233)	0
NET INCOME (LOSS) ATTRIBUTABLE TO GENESIS ENERGY, L.P.	(416,678)	95,999	(6,075)
Less: Accumulated distributions attributable to Class A Convertible Preferred Units	(74,736)	(74,467)	(69,801)
NET INCOME (LOSS) AVAILABLE TO COMMON UNITHOLDERS	$ (491,414)	$ 21,532	$ (75,876)
BASIC AND DILUTED NET INCOME (LOSS) PER COMMON UNIT:
Basic and Diluted (in dollars per unit)	$ (4.01)	$ 0.18	$ (0.62)
WEIGHTED AVERAGE OUTSTANDING COMMON UNITS:
Basic and Diluted (in units)	122,579	122,579	122,579
Offshore pipeline transportation
REVENUES:
Total revenues	$ 237,146	$ 318,116	$ 284,544
COSTS AND EXPENSES:
Cost of products and services sold	76,717	58,996	66,668
Impairment expense	3,300
Sodium minerals and sulfur services
REVENUES:
Total revenues	877,769	1,105,987	1,174,434
COSTS AND EXPENSES:
Cost of products and services sold	745,858	883,692	912,491
Marine transportation
REVENUES:
Total revenues	210,258	235,645	219,937
COSTS AND EXPENSES:
Cost of products and services sold	149,557	178,032	172,527
Onshore facilities and transportation
REVENUES:
Total revenues	499,482	821,072	1,233,855
Onshore facilities and transportation | Onshore facilities and transportation product costs
COSTS AND EXPENSES:
Cost of products and services sold	373,127	637,699	1,037,688
Onshore facilities and transportation | Onshore facilities and transportation operating costs
COSTS AND EXPENSES:
Cost of products and services sold	$ 70,241	$ 77,205	$ 89,042