Condensed Consolidating Financial Information (Condensed Consolidating Statement Of Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues									$ 3,323,028	$ 3,689,795	$ 2,976,850
Marine Transportation Revenues									229,282	152,542	118,204
Refinery Services Revenues									207,401	205,985	196,017
Pipeline Transportation Services Revenues									86,453	86,508	76,290
Revenues	847,282	964,114	1,015,049	1,019,719	961,035	1,090,293	1,068,694	1,014,808	3,846,164	4,134,830	3,367,361
Supply and logistics costs									3,277,052	3,649,328	2,923,746
Marine transportation operating costs									142,793	104,676	80,547
Refinery services operating costs									121,401	131,289	123,477
Pipeline transportation operating costs									30,767	27,206	21,894
General and administrative									50,692	46,790	41,837
Depreciation and amortization									90,908	64,784	61,150
Total costs and expenses									3,713,613	4,024,073	3,252,651
OPERATING INCOME (LOSS)	30,624	35,268	31,257	35,402	23,300	24,092	33,360	30,005	132,551	110,757	114,710
Equity in earnings of equity investees									43,135	22,675	14,345
Equity in (losses) earnings of subsidiaries									0	0	0
Interest income (expense), net									(66,639)	(48,583)	(40,923)
Income (loss) before income taxes									109,047	84,849	88,132
Income tax benefit (expense)									(2,845)	(845)	9,205	[1]
Income from continuing operations	26,166	29,113	21,148	29,775	16,722	17,966	26,612	22,704	106,202	84,004	97,337
Income (loss) from discontinued operations					1,164	508	290	143	0	2,105	(1,018)
Net income (loss)	26,166	29,113	21,148	29,775	17,886	18,474	26,902	22,847	106,202	86,109	96,319
Genesis Energy, L.P. (Parent and Co-Issuer)
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues									0	0	0
Marine Transportation Revenues									0	0	0
Refinery Services Revenues									0	0	0
Pipeline Transportation Services Revenues									0	0	0
Revenues									0	0	0
Supply and logistics costs									0	0	0
Marine transportation operating costs									0	0	0
Refinery services operating costs									0	0	0
Pipeline transportation operating costs									0	0	0
General and administrative									0	0	0
Depreciation and amortization									0	0	0
Total costs and expenses									0	0	0
OPERATING INCOME (LOSS)									0	0	0
Equity in earnings of equity investees									0	0	0
Equity in (losses) earnings of subsidiaries									172,828	134,616	137,151
Interest income (expense), net									(66,626)	(48,507)	(40,832)
Income (loss) before income taxes									106,202	86,109	96,319
Income tax benefit (expense)									0	0	0
Income from continuing operations									106,202	86,109	96,319
Income (loss) from discontinued operations										0	0
Net income (loss)									106,202	86,109	96,319
Genesis Energy Finance Corporation (Co-Issuer)
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues									0	0	0
Marine Transportation Revenues									0	0	0
Refinery Services Revenues									0	0	0
Pipeline Transportation Services Revenues									0	0	0
Revenues									0	0	0
Supply and logistics costs									0	0	0
Marine transportation operating costs									0	0	0
Refinery services operating costs									0	0	0
Pipeline transportation operating costs									0	0	0
General and administrative									0	0	0
Depreciation and amortization									0	0	0
Total costs and expenses									0	0	0
OPERATING INCOME (LOSS)									0	0	0
Equity in earnings of equity investees									0	0	0
Equity in (losses) earnings of subsidiaries									0	0	0
Interest income (expense), net									0	0	0
Income (loss) before income taxes									0	0	0
Income tax benefit (expense)									0	0	0
Income from continuing operations									0	0	0
Income (loss) from discontinued operations										0	0
Net income (loss)									0	0	0
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues									3,312,273	3,669,241	2,951,500
Marine Transportation Revenues									229,282	152,542	118,204
Refinery Services Revenues									202,250	203,021	192,083
Pipeline Transportation Services Revenues									61,221	60,748	50,106
Revenues									3,805,026	4,085,552	3,311,893
Supply and logistics costs									3,264,327	3,637,492	2,913,127
Marine transportation operating costs									142,793	104,676	80,547
Refinery services operating costs									117,788	128,814	120,095
Pipeline transportation operating costs									29,111	25,827	21,000
General and administrative									50,572	46,670	41,715
Depreciation and amortization									85,696	60,383	57,386
Total costs and expenses									3,690,287	4,003,862	3,233,870
OPERATING INCOME (LOSS)									114,739	81,690	78,023
Equity in earnings of equity investees									43,135	22,675	14,345
Equity in (losses) earnings of subsidiaries									1,857	13,399	20,547
Interest income (expense), net									15,662	16,080	16,500
Income (loss) before income taxes									175,393	133,844	129,415
Income tax benefit (expense)									(3,030)	(676)	8,903
Income from continuing operations									172,363	133,168	138,318
Income (loss) from discontinued operations										2,105	(1,018)
Net income (loss)									172,363	135,273	137,300
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues									107,752	152,460	135,013
Marine Transportation Revenues									0	0	0
Refinery Services Revenues									18,289	17,835	19,999
Pipeline Transportation Services Revenues									25,232	25,760	26,184
Revenues									151,273	196,055	181,196
Supply and logistics costs									109,722	143,742	120,280
Marine transportation operating costs									0	0	0
Refinery services operating costs									17,393	16,873	19,489
Pipeline transportation operating costs									1,656	1,379	894
General and administrative									120	120	122
Depreciation and amortization									5,212	4,401	3,764
Total costs and expenses									134,103	166,515	144,549
OPERATING INCOME (LOSS)									17,170	29,540	36,647
Equity in earnings of equity investees									0	0	0
Equity in (losses) earnings of subsidiaries									0	0	0
Interest income (expense), net									(15,675)	(16,156)	(16,591)
Income (loss) before income taxes									1,495	13,384	20,056
Income tax benefit (expense)									185	(169)	302
Income from continuing operations									1,680	13,215	20,358
Income (loss) from discontinued operations										0	0
Net income (loss)									1,680	13,215	20,358
Eliminations
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues									(96,997)	(131,906)	(109,663)
Marine Transportation Revenues									0	0	0
Refinery Services Revenues									(13,138)	(14,871)	(16,065)
Pipeline Transportation Services Revenues									0	0	0
Revenues									(110,135)	(146,777)	(125,728)
Supply and logistics costs									(96,997)	(131,906)	(109,661)
Marine transportation operating costs									0	0	0
Refinery services operating costs									(13,780)	(14,398)	(16,107)
Pipeline transportation operating costs									0	0	0
General and administrative									0	0	0
Depreciation and amortization									0	0	0
Total costs and expenses									(110,777)	(146,304)	(125,768)
OPERATING INCOME (LOSS)									642	(473)	40
Equity in earnings of equity investees									0	0	0
Equity in (losses) earnings of subsidiaries									(174,685)	(148,015)	(157,698)
Interest income (expense), net									0	0	0
Income (loss) before income taxes									(174,043)	(148,488)	(157,658)
Income tax benefit (expense)									0	0	0
Income from continuing operations									(174,043)	(148,488)	(157,658)
Income (loss) from discontinued operations										0	0
Net income (loss)									$ (174,043)	$ (148,488)	$ (157,658)

[1] (1)Our discontinued operations had no income tax benefit or expense in any period presented.