Condensed Consolidating Financial Information (Condensed Consolidating Statement Of Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues	$ 944,606	$ 944,545
Refinery services	54,193	49,484
Pipeline transportation services	20,920	20,779
Total revenues	1,019,719	1,014,808
Supply and logistics costs	912,354	918,616
Refinery services operating costs	33,195	32,443
Pipeline transportation operating costs	7,478	7,084
General and administrative	12,010	11,611
Depreciation and amortization	19,280	15,049
Total costs and expenses	984,317	984,803
OPERATING INCOME	35,402	30,005
Equity in earnings of subsidiaries	0	0
Equity in earnings of equity investees	7,818	3,936
Interest Income (Expense), Net	(12,804)	(11,441)
Interest (expense) income, net	(12,804)	(11,441)
Income from continuing operations before income taxes	30,416	22,500
Income tax (expense) benefit	(641)	203
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	29,775	22,703
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0	143
NET INCOME	29,775	22,846
Genesis Energy, L.P. (Parent And Co-Issuer) [Member]
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues	0	0
Refinery services	0	0
Pipeline transportation services	0	0
Total revenues	0	0
Supply and logistics costs	0	0
Refinery services operating costs	0	0
Pipeline transportation operating costs	0	0
General and administrative	0	0
Depreciation and amortization	0	0
Total costs and expenses	0	0
OPERATING INCOME	0	0
Equity in earnings of subsidiaries	42,579	34,252
Equity in earnings of equity investees	0	0
Interest Income (Expense), Net	(12,804)	(11,406)
Income from continuing operations before income taxes	29,775	22,846
Income tax (expense) benefit	0	0
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	29,775	22,846
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0	0
NET INCOME	29,775	22,846
Genesis Energy Finance Corporation (Co-Issuer) [Member]
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues	0	0
Refinery services	0	0
Pipeline transportation services	0	0
Total revenues	0	0
Supply and logistics costs	0	0
Refinery services operating costs	0	0
Pipeline transportation operating costs	0	0
General and administrative	0	0
Depreciation and amortization	0	0
Total costs and expenses	0	0
OPERATING INCOME	0	0
Equity in earnings of subsidiaries	0	0
Equity in earnings of equity investees	0	0
Interest Income (Expense), Net	0	0
Income from continuing operations before income taxes	0	0
Income tax (expense) benefit	0	0
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	0	0
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0	0
NET INCOME	0	0
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues	942,037	938,083
Refinery services	51,730	47,767
Pipeline transportation services	14,607	14,126
Total revenues	1,008,374	999,976
Supply and logistics costs	911,120	916,808
Refinery services operating costs	31,591	31,167
Pipeline transportation operating costs	7,055	6,754
General and administrative	11,980	11,578
Depreciation and amortization	17,995	14,147
Total costs and expenses	979,741	980,454
OPERATING INCOME	28,633	19,522
Equity in earnings of subsidiaries	2,164	6,238
Equity in earnings of equity investees	7,818	3,936
Interest Income (Expense), Net	3,966	4,047
Income from continuing operations before income taxes	42,581	33,743
Income tax (expense) benefit	(587)	257
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	41,994	34,000
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0	143
NET INCOME	41,994	34,143
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues	32,211	38,945
Refinery services	6,074	5,563
Pipeline transportation services	6,313	6,653
Total revenues	44,598	51,161
Supply and logistics costs	30,874	34,291
Refinery services operating costs	5,846	5,282
Pipeline transportation operating costs	423	330
General and administrative	30	33
Depreciation and amortization	1,285	902
Total costs and expenses	38,458	40,838
OPERATING INCOME	6,140	10,323
Equity in earnings of subsidiaries	0	0
Equity in earnings of equity investees	0	0
Interest Income (Expense), Net	(3,966)	(4,082)
Income from continuing operations before income taxes	2,174	6,241
Income tax (expense) benefit	(54)	(54)
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	2,120	6,187
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0	0
NET INCOME	2,120	6,187
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Supply And Logistics Revenues	(29,642)	(32,483)
Refinery services	(3,611)	(3,846)
Pipeline transportation services	0	0
Total revenues	(33,253)	(36,329)
Supply and logistics costs	(29,640)	(32,483)
Refinery services operating costs	(4,242)	(4,006)
Pipeline transportation operating costs	0	0
General and administrative	0	0
Depreciation and amortization	0	0
Total costs and expenses	(33,882)	(36,489)
OPERATING INCOME	629	160
Equity in earnings of subsidiaries	(44,743)	(40,490)
Equity in earnings of equity investees	0	0
Interest Income (Expense), Net	0	0
Income from continuing operations before income taxes	(44,114)	(40,330)
Income tax (expense) benefit	0	0
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest	(44,114)	(40,330)
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	0	0
NET INCOME	$ (44,114)	$ (40,330)