Condensed Consolidating Financial Information (Condensed Consolidating Statement Of Operations) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Condensed Financial Statements, Captions [Line Items]
Offshore pipeline transportation services									$ 140,230	$ 3,296	$ 3,923
Onshore pipeline transportation services									77,092	83,157	82,585
Supply and logistics									1,612,570	3,323,028	3,689,795
Marine transportation									238,757	229,282	152,542
Refinery services									177,880	207,401	205,985
Revenues	$ 491,011	$ 572,334	$ 656,327	$ 526,857	$ 847,282	$ 964,114	$ 1,015,049	$ 1,019,719	2,246,529	3,846,164	4,134,830
Supply and logistics costs									1,577,497	3,277,052	3,649,328
Marine transportation operating costs									135,200	142,793	104,676
Refinery services operating costs									96,806	121,401	131,289
Offshore pipeline transportation operating costs									39,713	1,271	1,234
Onshore pipeline transportation operating costs									25,311	29,496	25,972
General and administrative									64,995	50,692	46,790
Depreciation and amortization									150,140	90,908	64,784
Total costs and expenses									2,089,662	3,713,613	4,024,073
OPERATING INCOME	57,870	44,798	29,380	24,819	30,624	35,268	31,257	35,402	156,867	132,551	110,757
Equity in earnings of equity investees									54,450	43,135	22,675
Equity in (losses) earnings of subsidiaries									0	0	0
Interest expense									(100,596)	(66,639)	(48,583)
Gain on basis step up on historical interest									332,380	0	0
Gain on basis step up on historical interest									(17,529)	0	0
Income from continuing operations before income taxes									425,572	109,047	84,849
Income tax benefit (expense)									(3,987)	(2,845)	(845)	[1]
Income from continuing operations	26,296	363,409	11,665	20,215	$ 26,166	$ 29,113	$ 21,148	$ 29,775	421,585	106,202	84,004
Net Income (Loss) Attributable to Noncontrolling Interest	1,138	(195)	0	0					943	0	0
Income from discontinued operations									0	0	2,105
Net Income (Loss) Attributable to Parent	$ 27,434	$ 363,214	$ 11,665	$ 20,215					422,528	106,202	86,109
Genesis Energy, L.P. (Parent and Co-Issuer)
Condensed Financial Statements, Captions [Line Items]
Offshore pipeline transportation services									0	0	0
Onshore pipeline transportation services									0	0	0
Supply and logistics									0	0	0
Marine transportation									0	0	0
Refinery services									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
Offshore pipeline transportation operating costs									0	0	0
Onshore 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									0	0	0
Equity in earnings of equity investees									0	0	0
Equity in (losses) earnings of subsidiaries									542,226	172,828	134,616
Interest expense									(100,494)	(66,626)	(48,507)
Gain on basis step up on historical interest									0
Gain on basis step up on historical interest									(19,204)
Income from continuing operations before income taxes									422,528	106,202	86,109
Income tax benefit (expense)									0	0	0
Income from continuing operations									422,528		86,109
Net Income (Loss) Attributable to Noncontrolling Interest									0
Income from discontinued operations											0
Net Income (Loss) Attributable to Parent									422,528
Genesis Energy Finance Corporation (Co-Issuer)
Condensed Financial Statements, Captions [Line Items]
Offshore pipeline transportation services									0	0	0
Onshore pipeline transportation services									0	0	0
Supply and logistics									0	0	0
Marine transportation									0	0	0
Refinery services									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
Offshore pipeline transportation operating costs									0	0	0
Onshore 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									0	0	0
Equity in earnings of equity investees									0	0	0
Equity in (losses) earnings of subsidiaries									0	0	0
Interest expense									0	0	0
Gain on basis step up on historical interest									0
Gain on basis step up on historical interest									0
Income from continuing operations before income taxes									0	0	0
Income tax benefit (expense)									0	0	0
Income from continuing operations									0		0
Net Income (Loss) Attributable to Noncontrolling Interest									0
Income from discontinued operations											0
Net Income (Loss) Attributable to Parent									0
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Offshore pipeline transportation services									137,681	3,296	3,923
Onshore pipeline transportation services									53,347	58,391	56,784
Supply and logistics									1,612,570	3,323,028	3,689,795
Marine transportation									238,757	229,282	152,542
Refinery services									175,132	202,250	203,021
Revenues									2,217,487	3,816,247	4,106,065
Supply and logistics costs									1,577,497	3,277,052	3,649,328
Marine transportation operating costs									135,200	142,793	104,676
Refinery services operating costs									94,241	117,788	128,814
Offshore pipeline transportation operating costs									38,459	1,271	1,234
Onshore pipeline transportation operating costs									24,475	28,639	24,853
General and administrative									64,995	50,692	46,790
Depreciation and amortization									141,785	88,368	62,194
Total costs and expenses									2,076,652	3,706,603	4,017,889
OPERATING INCOME									140,835	109,644	88,176
Equity in earnings of equity investees									54,450	43,135	22,675
Equity in (losses) earnings of subsidiaries									2,053	6,952	6,913
Interest expense									15,042	15,662	16,080
Gain on basis step up on historical interest									332,380
Gain on basis step up on historical interest									1,675
Income from continuing operations before income taxes									546,435	175,393	133,844
Income tax benefit (expense)									(4,036)	(3,030)	(676)
Income from continuing operations									542,399		133,168
Net Income (Loss) Attributable to Noncontrolling Interest									0
Income from discontinued operations											2,105
Net Income (Loss) Attributable to Parent									542,399
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Offshore pipeline transportation services									2,549	0	0
Onshore pipeline transportation services									23,745	24,766	25,801
Supply and logistics									0	0	0
Marine transportation									0	0	0
Refinery services									11,942	18,289	17,835
Revenues									38,236	43,055	43,636
Supply and logistics costs									0	0	0
Marine transportation operating costs									0	0	0
Refinery services operating costs									11,759	17,393	16,873
Offshore pipeline transportation operating costs									1,254	0	0
Onshore pipeline transportation operating costs									836	857	1,119
General and administrative									0	0	0
Depreciation and amortization									8,355	2,540	2,590
Total costs and expenses									22,204	20,790	20,582
OPERATING INCOME									16,032	22,265	23,054
Equity in earnings of equity investees									0	0	0
Equity in (losses) earnings of subsidiaries									0	0	0
Interest expense									(15,144)	(15,675)	(16,156)
Gain on basis step up on historical interest									0
Gain on basis step up on historical interest									0
Income from continuing operations before income taxes									888	6,590	6,898
Income tax benefit (expense)									49	185	(169)
Income from continuing operations									937		6,729
Net Income (Loss) Attributable to Noncontrolling Interest									943
Income from discontinued operations											0
Net Income (Loss) Attributable to Parent									1,880
Eliminations
Condensed Financial Statements, Captions [Line Items]
Offshore pipeline transportation services									0	0	0
Onshore pipeline transportation services									0	0	0
Supply and logistics									0	0	0
Marine transportation									0	0	0
Refinery services									(9,194)	(13,138)	(14,871)
Revenues									(9,194)	(13,138)	(14,871)
Supply and logistics costs									0	0	0
Marine transportation operating costs									0	0	0
Refinery services operating costs									(9,194)	(13,780)	(14,398)
Offshore pipeline transportation operating costs									0	0	0
Onshore pipeline transportation operating costs									0	0	0
General and administrative									0	0	0
Depreciation and amortization									0	0	0
Total costs and expenses									(9,194)	(13,780)	(14,398)
OPERATING INCOME									0	642	(473)
Equity in earnings of equity investees									0	0	0
Equity in (losses) earnings of subsidiaries									(544,279)	(179,780)	(141,529)
Interest expense									0	0	0
Gain on basis step up on historical interest									0
Gain on basis step up on historical interest									0
Income from continuing operations before income taxes									(544,279)	(179,138)	(142,002)
Income tax benefit (expense)									0	$ 0	0
Income from continuing operations									(544,279)		(142,002)
Net Income (Loss) Attributable to Noncontrolling Interest									0
Income from discontinued operations											$ 0
Net Income (Loss) Attributable to Parent									$ (544,279)

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