Condensed Consolidating Financial Information (Condensed Consolidating Statement Of Operations) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues	$ 891,583,000	$ 1,014,666,000	$ 2,775,245,000	$ 2,953,892,000
Refinery services	51,208,000	52,410,000	158,202,000	153,370,000
Pipeline transportation services	21,323,000	23,217,000	65,435,000	66,533,000
Total revenues	964,114,000	1,090,293,000	2,998,882,000	3,173,795,000
Supply and logistics costs	853,709,000	998,860,000	2,675,137,000	2,886,036,000
Refinery services operating costs	29,031,000	33,040,000	93,374,000	98,304,000
Pipeline transportation operating costs	7,193,000	6,278,000	23,054,000	20,507,000
General and administrative	13,765,000	11,959,000	40,471,000	34,712,000
Depreciation and amortization	25,148,000	16,066,000	64,919,000	46,780,000
Total costs and expenses	928,846,000	1,066,203,000	2,896,955,000	3,086,339,000
OPERATING INCOME	35,268,000	24,090,000	101,927,000	87,456,000
Equity in earnings of subsidiaries	0	0	0	0
Equity in earnings of equity investees	15,017,000	7,059,000	27,757,000	16,618,000
Interest Income (Expense), Net	(20,441,000)	(12,587,000)	(47,314,000)	(36,283,000)
Income from continuing operations before income taxes	29,844,000	18,562,000	82,370,000	67,791,000
Income tax (expense) benefit	(731,000)	(596,000)	(2,334,000)	(510,000)
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	29,113,000	17,966,000	80,036,000	67,281,000
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0	508,000	0	941,000
NET INCOME	29,113,000	18,474,000	80,036,000	68,222,000
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	49,550,000	31,046,000	127,343,000	104,431,000
Equity in earnings of equity investees	0	0	0	0
Interest Income (Expense), Net	(20,437,000)	(12,572,000)	(47,307,000)	(36,209,000)
Income from continuing operations before income taxes	29,113,000	18,474,000	80,036,000	68,222,000
Income tax (expense) benefit	0	0	0	0
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	29,113,000	18,474,000	80,036,000	68,222,000
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0	0	0	0
NET INCOME	29,113,000	18,474,000	80,036,000	68,222,000
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	887,709,000	1,013,036,000	2,766,077,000	2,940,710,000
Refinery services	52,046,000	50,609,000	155,470,000	150,058,000
Pipeline transportation services	15,313,000	16,604,000	46,604,000	46,461,000
Total revenues	955,068,000	1,080,249,000	2,968,151,000	3,137,229,000
Supply and logistics costs	849,337,000	996,937,000	2,667,317,000	2,879,118,000
Refinery services operating costs	29,332,000	31,840,000	91,322,000	95,922,000
Pipeline transportation operating costs	6,820,000	6,075,000	21,778,000	19,497,000
General and administrative	13,735,000	11,927,000	40,381,000	34,620,000
Depreciation and amortization	23,841,000	14,789,000	61,017,000	43,691,000
Total costs and expenses	923,065,000	1,061,568,000	2,881,815,000	3,072,848,000
OPERATING INCOME	32,003,000	18,681,000	86,336,000	64,381,000
Equity in earnings of subsidiaries	223,000	1,078,000	3,982,000	10,849,000
Equity in earnings of equity investees	15,017,000	7,059,000	27,757,000	16,618,000
Interest Income (Expense), Net	3,900,000	4,011,000	11,798,000	12,087,000
Income from continuing operations before income taxes	51,143,000	30,829,000	129,873,000	103,935,000
Income tax (expense) benefit	(985,000)	(505,000)	(2,462,000)	(335,000)
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	50,158,000	30,324,000	127,411,000	103,600,000
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0	508,000	0	941,000
NET INCOME	50,158,000	30,832,000	127,411,000	104,541,000
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues	22,104,000	38,908,000	84,866,000	112,977,000
Refinery services	2,193,000	4,199,000	12,838,000	13,558,000
Pipeline transportation services	6,010,000	6,613,000	18,831,000	20,072,000
Total revenues	30,307,000	49,720,000	116,535,000	146,607,000
Supply and logistics costs	22,601,000	39,201,000	83,517,000	106,713,000
Refinery services operating costs	2,167,000	3,862,000	12,225,000	12,660,000
Pipeline transportation operating costs	373,000	203,000	1,276,000	1,010,000
General and administrative	30,000	32,000	90,000	92,000
Depreciation and amortization	1,307,000	1,277,000	3,902,000	3,089,000
Total costs and expenses	26,478,000	44,575,000	101,010,000	123,564,000
OPERATING INCOME	3,829,000	5,145,000	15,525,000	23,043,000
Equity in earnings of subsidiaries	0	0	0	0
Equity in earnings of equity investees	0	0	0	0
Interest Income (Expense), Net	(3,904,000)	(4,026,000)	(11,805,000)	(12,161,000)
Income from continuing operations before income taxes	(75,000)	1,119,000	3,720,000	10,882,000
Income tax (expense) benefit	254,000	(91,000)	128,000	(175,000)
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	179,000	1,028,000	3,848,000	10,707,000
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0	0	0	0
NET INCOME	179,000	1,028,000	3,848,000	10,707,000
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues	(18,230,000)	(37,278,000)	(75,698,000)	(99,795,000)
Refinery services	(3,031,000)	(2,398,000)	(10,106,000)	(10,246,000)
Pipeline transportation services	0	0	0	0
Total revenues	(21,261,000)	(39,676,000)	(85,804,000)	(110,041,000)
Supply and logistics costs	(18,229,000)	(37,278,000)	(75,697,000)	(99,795,000)
Refinery services operating costs	(2,468,000)	(2,662,000)	(10,173,000)	(10,278,000)
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	(20,697,000)	(39,940,000)	(85,870,000)	(110,073,000)
OPERATING INCOME	(564,000)	264,000	66,000	32,000
Equity in earnings of subsidiaries	(49,773,000)	(32,124,000)	(131,325,000)	(115,280,000)
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	(50,337,000)	(31,860,000)	(131,259,000)	(115,248,000)
Income tax (expense) benefit	0	0	0	0
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	(50,337,000)	(31,860,000)	(131,259,000)	(115,248,000)
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0	0	0	0
NET INCOME	$ (50,337,000)	$ (31,860,000)	$ (131,259,000)	$ (115,248,000)