Condensed Consolidating Financial Information (Condensed Consolidating Statement Of Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues	$ 1,184,191	$ 974,696	$ 3,400,786	$ 2,815,849
Refinery services	52,410	47,977	153,370	144,342
Pipeline transportation services	23,217	19,164	66,533	55,794
Total revenues	1,259,818	1,041,837	3,620,689	3,015,985
Supply and logistics costs	1,167,741	952,352	3,331,537	2,750,020
Refinery services operating costs	33,040	29,243	98,304	91,072
Pipeline transportation operating costs	6,278	5,911	20,507	15,995
General and administrative	12,095	10,375	35,156	29,934
Depreciation and amortization	16,066	14,838	46,789	45,447
Total costs and expenses	1,235,220	1,012,719	3,532,293	2,932,468
OPERATING INCOME	24,598	29,118	88,396	83,517
Equity in earnings of subsidiaries	0	0	0	0
Equity in earnings of equity investees	7,059	3,432	16,618	7,971
Interest (expense) income, net	(12,587)	(9,873)	(36,282)	(30,697)
Income before income taxes	19,070	22,677	68,732	60,791
Income tax (expense) benefit	(596)	8,517	(510)	8,591
NET INCOME	18,474	31,194	68,222	69,382
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	31,046	41,052	104,431	100,011
Equity in earnings of equity investees	0	0	0	0
Interest (expense) income, net	(12,572)	(9,858)	(36,209)	(30,629)
Income before income taxes	18,474	31,194	68,222	69,382
Income tax (expense) benefit	0	0	0	0
NET INCOME	18,474	31,194	68,222	69,382
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 (expense) income, net	0	0	0	0
Income before income taxes	0	0	0	0
Income tax (expense) benefit	0	0	0	0
NET INCOME	0	0	0	0
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues	1,182,561	969,229	3,387,604	2,797,142
Refinery services	50,609	48,809	150,058	142,716
Pipeline transportation services	16,604	12,596	46,461	36,381
Total revenues	1,249,774	1,030,634	3,584,123	2,976,239
Supply and logistics costs	1,165,818	951,512	3,324,619	2,743,514
Refinery services operating costs	31,840	29,339	95,922	89,155
Pipeline transportation operating costs	6,075	5,661	19,497	15,351
General and administrative	12,063	10,343	35,064	29,842
Depreciation and amortization	14,789	13,940	43,700	42,759
Total costs and expenses	1,230,585	1,010,795	3,518,802	2,920,621
OPERATING INCOME	19,189	19,839	65,321	55,618
Equity in earnings of subsidiaries	1,078	5,738	10,849	15,869
Equity in earnings of equity investees	7,059	3,432	16,618	7,971
Interest (expense) income, net	4,011	4,119	12,088	12,414
Income before income taxes	31,337	33,128	104,876	91,872
Income tax (expense) benefit	(505)	8,509	(335)	8,630
NET INCOME	30,832	41,637	104,541	100,502
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues	38,908	31,113	112,977	95,451
Refinery services	4,199	4,367	13,558	13,756
Pipeline transportation services	6,613	6,568	20,072	19,413
Total revenues	49,720	42,048	146,607	128,620
Supply and logistics costs	39,201	26,488	106,713	83,250
Refinery services operating costs	3,862	4,565	12,660	13,701
Pipeline transportation operating costs	203	250	1,010	644
General and administrative	32	32	92	92
Depreciation and amortization	1,277	898	3,089	2,688
Total costs and expenses	44,575	32,233	123,564	100,375
OPERATING INCOME	5,145	9,815	23,043	28,245
Equity in earnings of subsidiaries	0	0	0	0
Equity in earnings of equity investees	0	0	0	0
Interest (expense) income, net	(4,026)	(4,134)	(12,161)	(12,482)
Income before income taxes	1,119	5,681	10,882	15,763
Income tax (expense) benefit	(91)	8	(175)	(39)
NET INCOME	1,028	5,689	10,707	15,724
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues	(37,278)	(25,646)	(99,795)	(76,744)
Refinery services	(2,398)	(5,199)	(10,246)	(12,130)
Pipeline transportation services	0	0	0	0
Total revenues	(39,676)	(30,845)	(110,041)	(88,874)
Supply and logistics costs	(37,278)	(25,648)	(99,795)	(76,744)
Refinery services operating costs	(2,662)	(4,661)	(10,278)	(11,784)
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	(39,940)	(30,309)	(110,073)	(88,528)
OPERATING INCOME	264	(536)	32	(346)
Equity in earnings of subsidiaries	(32,124)	(46,790)	(115,280)	(115,880)
Equity in earnings of equity investees	0	0	0	0
Interest (expense) income, net	0	0	0	0
Income before income taxes	(31,860)	(47,326)	(115,248)	(116,226)
Income tax (expense) benefit	0	0	0	0
NET INCOME	$ (31,860)	$ (47,326)	$ (115,248)	$ (116,226)