Business Segment Information (Schedule of Revenues by Segment) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020		Dec. 31, 2019
Segment Reporting Information [Line Items]
Total Segment Margin		$ 617,729	$ 607,473		$ 713,262
Total revenues		2,125,476	1,824,655		2,480,820
Offshore pipeline transportation
Segment Reporting Information [Line Items]
Total revenues		278,459	237,146		318,116
Sodium minerals and sulfur services
Segment Reporting Information [Line Items]
Total revenues		964,632	877,769		1,105,987
Onshore facilities and transportation
Segment Reporting Information [Line Items]
Total revenues		691,558	499,482		821,072
Marine transportation
Segment Reporting Information [Line Items]
Total revenues		190,827	210,258		235,645
Operating Segments
Segment Reporting Information [Line Items]
Total Segment Margin	[1]	617,729	607,473		713,262
Capital Expenditures	[2]	316,729	144,324		173,042
Total revenues		2,125,476	1,824,655		2,480,820
Operating Segments | Offshore pipeline transportation
Segment Reporting Information [Line Items]
Total Segment Margin	[1]	317,560	270,078		320,023
Capital Expenditures	[2]	50,546	13,323		17,809
Total revenues		278,459	237,123		318,116
Operating Segments | Sodium minerals and sulfur services
Segment Reporting Information [Line Items]
Total Segment Margin	[1]	166,773	130,083		223,908
Capital Expenditures	[2]	227,118	95,511		107,837
Total revenues		973,354	886,078		1,113,623
Operating Segments | Onshore facilities and transportation
Segment Reporting Information [Line Items]
Total Segment Margin	[1]	98,824	147,254		111,412
Capital Expenditures	[2]	4,609	4,133		6,576
Total revenues		685,652	500,420		824,148
Operating Segments | Marine transportation
Segment Reporting Information [Line Items]
Total Segment Margin	[1]	34,572	60,058		57,919
Capital Expenditures	[2]	34,456	31,357		40,820
Total revenues		188,011	201,034		224,933
Intersegment
Segment Reporting Information [Line Items]
Total revenues		0	0	[3]	0	[3]
Intersegment | Offshore pipeline transportation
Segment Reporting Information [Line Items]
Total revenues		0	23	[3]	0	[3]
Intersegment | Sodium minerals and sulfur services
Segment Reporting Information [Line Items]
Total revenues		(8,722)	(8,309)	[3]	(7,636)	[3]
Intersegment | Onshore facilities and transportation
Segment Reporting Information [Line Items]
Total revenues		5,906	(938)	[3]	(3,076)	[3]
Intersegment | Marine transportation
Segment Reporting Information [Line Items]
Total revenues		$ 2,816	$ 9,224	[3]	$ 10,712	[3]

[1] A reconciliation of Net income (loss) attributable to Genesis Energy, L.P. to total Segment Margin to for each year is presented below.

[2] Capital expenditures include maintenance and growth capital expenditures, such as fixed asset additions (including enhancements to existing facilities and construction of growth projects) as well as contributions to equity investees, if any.

[3] Intersegment sales were conducted under terms that we believe were no more or less favorable than then-existing market conditions.