Condensed Consolidating Financial Information (Condensed Consolidating Statement Of Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Condensed Financial Statements, Captions [Line Items]
Supply and logistics	$ 865,489	$ 627,797
Refinery services	48,045	47,546
Pipeline transportation services	19,409	14,455
Total revenues	932,943	689,798
Supply and logistics costs	846,011	621,364
Refinery services operating costs	30,779	29,586
Pipeline transportation operating costs	5,052	4,070
General and administrative	9,592	8,054
Depreciation and amortization	15,035	13,903
Net gain on disposal of surplus assets	(256)	(11)
Total costs and expenses	906,213	676,966
OPERATING INCOME	26,730	12,832
Equity in earnings of equity investees	3,492	3,197
Interest (expense) income, net	(10,596)	(8,699)
Income before income taxes	19,626	7,330
Income tax (expense) benefit	(22)	(300)
NET INCOME	19,604	7,030
Genesis Energy, L.P. (Parent And Co-Issuer) [Member]
Condensed Financial Statements, Captions [Line Items]
Equity in earnings of subsidiaries	30,168	15,708
Interest (expense) income, net	(10,564)	(8,678)
Income before income taxes	19,604	7,030
NET INCOME	19,604	7,030
Genesis Energy Finance Corporation (Co-Issuer) [Member]
Condensed Financial Statements, Captions [Line Items]
Supply and logistics
Refinery services
Pipeline transportation services
Total revenues
Supply and logistics costs
Refinery services operating costs
Pipeline transportation operating costs
General and administrative
Depreciation and amortization
Net gain on disposal of surplus assets
Total costs and expenses
OPERATING INCOME
Equity in earnings of subsidiaries
Equity in earnings of equity investees
Interest (expense) income, net
Income before income taxes
Income tax (expense) benefit
NET INCOME
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Supply and logistics	859,907	627,797
Refinery services	48,596	47,510
Pipeline transportation services	12,916	7,921
Total revenues	921,419	683,228
Supply and logistics costs	843,868	621,364
Refinery services operating costs	30,641	29,518
Pipeline transportation operating costs	4,834	3,909
General and administrative	9,562	8,054
Depreciation and amortization	14,143	13,254
Net gain on disposal of surplus assets	(256)	(11)
Total costs and expenses	902,792	676,088
OPERATING INCOME	18,627	7,140
Equity in earnings of subsidiaries	4,322	1,716
Equity in earnings of equity investees	3,492	3,197
Interest (expense) income, net	4,154	4,259
Income before income taxes	30,595	16,312
Income tax (expense) benefit	(95)	(264)
NET INCOME	30,500	16,048
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Supply and logistics	32,179
Refinery services	2,645	4,480
Pipeline transportation services	6,493	6,534
Total revenues	41,317	11,014
Supply and logistics costs	28,740
Refinery services operating costs	3,049	4,220
Pipeline transportation operating costs	218	161
General and administrative	30
Depreciation and amortization	892	649
Total costs and expenses	32,929	5,030
OPERATING INCOME	8,388	5,984
Interest (expense) income, net	(4,186)	(4,280)
Income before income taxes	4,202	1,704
Income tax (expense) benefit	73	(36)
NET INCOME	4,275	1,668
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Supply and logistics	(26,597)
Refinery services	(3,196)	(4,444)
Total revenues	(29,793)	(4,444)
Supply and logistics costs	(26,597)
Refinery services operating costs	(2,911)	(4,152)
Total costs and expenses	(29,508)	(4,152)
OPERATING INCOME	(285)	(292)
Equity in earnings of subsidiaries	(34,490)	(17,424)
Income before income taxes	(34,775)	(17,716)
NET INCOME	$ (34,775)	$ (17,716)