Condensed Consolidating Financial Information (Condensed Consolidating Statement Of Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues	$ 939,056	$ 994,681	$ 1,883,662	$ 1,939,226
Refinery services	52,801	51,476	106,994	100,960
Pipeline transportation services	23,192	22,537	44,112	43,316
Total revenues	1,015,049	1,068,694	2,034,768	2,083,502
Supply and logistics costs	909,074	968,560	1,821,428	1,887,176
Refinery services operating costs	31,148	32,821	64,343	65,264
Pipeline transportation operating costs	8,383	7,145	15,861	14,229
General and administrative	14,696	11,142	26,706	22,753
Depreciation and amortization	20,491	15,665	39,771	30,714
Total costs and expenses	983,792	1,035,333	1,968,109	2,020,136
OPERATING INCOME	31,257	33,361	66,659	63,366
Equity in earnings of subsidiaries	0	0	0	0
Equity in earnings of equity investees	4,922	5,623	12,740	9,559
Interest Income (Expense), Net	(14,069)	(12,255)	(26,873)	(23,696)
Income from continuing operations before income taxes	22,110	26,729	52,526	49,229
Income tax (expense) benefit	(962)	(117)	(1,603)	86
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	21,148	26,612	50,923	49,315
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0	290	0	433
NET INCOME	21,148	26,902	50,923	49,748
Genesis Energy, L.P. (Parent And Co-Issuer) [Member]
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues	0	0	0	0
Refinery services	0	0	0	0
Pipeline transportation services	0	0	0	0
Total revenues	0	0	0	0
Supply and logistics costs	0	0	0	0
Refinery services operating costs	0	0	0	0
Pipeline transportation operating costs	0	0	0	0
General and administrative	0	0	0	0
Depreciation and amortization	0	0	0	0
Total costs and expenses	0	0	0	0
OPERATING INCOME	0	0	0	0
Equity in earnings of subsidiaries	35,214	39,133	77,793	73,385
Equity in earnings of equity investees	0	0	0	0
Interest Income (Expense), Net	(14,066)	(12,231)	(26,870)	(23,637)
Income from continuing operations before income taxes	21,148	26,902	50,923	49,748
Income tax (expense) benefit	0	0	0	0
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	21,148	26,902	50,923	49,748
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0	0	0	0
NET INCOME	21,148	26,902	50,923	49,748
Genesis Energy Finance Corporation (Co-Issuer) [Member]
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues	0	0	0	0
Refinery services	0	0	0	0
Pipeline transportation services	0	0	0	0
Total revenues	0	0	0	0
Supply and logistics costs	0	0	0	0
Refinery services operating costs	0	0	0	0
Pipeline transportation operating costs	0	0	0	0
General and administrative	0	0	0	0
Depreciation and amortization	0	0	0	0
Total costs and expenses	0	0	0	0
OPERATING INCOME	0	0	0	0
Equity in earnings of subsidiaries	0	0	0	0
Equity in earnings of equity investees	0	0	0	0
Interest Income (Expense), Net	0	0	0	0
Income from continuing operations before income taxes	0	0	0	0
Income tax (expense) benefit	0	0	0	0
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	0	0	0	0
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0	0	0	0
NET INCOME	0	0	0	0
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues	936,331	989,591	1,878,368	1,927,674
Refinery services	51,694	51,682	103,424	99,449
Pipeline transportation services	16,684	15,731	31,291	29,857
Total revenues	1,004,709	1,057,004	2,013,083	2,056,980
Supply and logistics costs	906,860	965,373	1,817,980	1,882,181
Refinery services operating costs	30,399	32,915	61,990	64,082
Pipeline transportation operating costs	7,903	6,668	14,958	13,422
General and administrative	14,666	11,115	26,646	22,693
Depreciation and amortization	19,181	14,755	37,176	28,902
Total costs and expenses	979,009	1,030,826	1,958,750	2,011,280
OPERATING INCOME	25,700	26,178	54,333	45,700
Equity in earnings of subsidiaries	1,595	3,533	3,759	9,771
Equity in earnings of equity investees	4,922	5,623	12,740	9,559
Interest Income (Expense), Net	3,932	4,029	7,898	8,076
Income from continuing operations before income taxes	36,149	39,363	78,730	73,106
Income tax (expense) benefit	(890)	(87)	(1,477)	170
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	35,259	39,276	77,253	73,276
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0	290	0	433
NET INCOME	35,259	39,566	77,253	73,709
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues	30,551	35,124	62,762	74,069
Refinery services	4,571	3,796	10,645	9,359
Pipeline transportation services	6,508	6,806	12,821	13,459
Total revenues	41,630	45,726	86,228	96,887
Supply and logistics costs	30,042	33,221	60,916	67,512
Refinery services operating costs	4,212	3,516	10,058	8,798
Pipeline transportation operating costs	480	477	903	807
General and administrative	30	27	60	60
Depreciation and amortization	1,310	910	2,595	1,812
Total costs and expenses	36,074	38,151	74,532	78,989
OPERATING INCOME	5,556	7,575	11,696	17,898
Equity in earnings of subsidiaries	0	0	0	0
Equity in earnings of equity investees	0	0	0	0
Interest Income (Expense), Net	(3,935)	(4,053)	(7,901)	(8,135)
Income from continuing operations before income taxes	1,621	3,522	3,795	9,763
Income tax (expense) benefit	(72)	(30)	(126)	(84)
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	1,549	3,492	3,669	9,679
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0	0	0	0
NET INCOME	1,549	3,492	3,669	9,679
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues	(27,826)	(30,034)	(57,468)	(62,517)
Refinery services	(3,464)	(4,002)	(7,075)	(7,848)
Pipeline transportation services	0	0	0	0
Total revenues	(31,290)	(34,036)	(64,543)	(70,365)
Supply and logistics costs	(27,828)	(30,034)	(57,468)	(62,517)
Refinery services operating costs	(3,463)	(3,610)	(7,705)	(7,616)
Pipeline transportation operating costs	0	0	0	0
General and administrative	0	0	0	0
Depreciation and amortization	0	0	0	0
Total costs and expenses	(31,291)	(33,644)	(65,173)	(70,133)
OPERATING INCOME	1	(392)	630	(232)
Equity in earnings of subsidiaries	(36,809)	(42,666)	(81,552)	(83,156)
Equity in earnings of equity investees	0	0	0	0
Interest Income (Expense), Net	0	0	0	0
Income from continuing operations before income taxes	(36,808)	(43,058)	(80,922)	(83,388)
Income tax (expense) benefit	0	0	0	0
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	(36,808)	(43,058)	(80,922)	(83,388)
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0	0	0	0
NET INCOME	$ (36,808)	$ (43,058)	$ (80,922)	$ (83,388)