Condensed Consolidating Financial Information (Condensed Consolidating Balance Sheet) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	$ 8,866	$ 11,282	$ 10,817	$ 5,762
Other current assets	526,357	392,752
Total current assets	535,223	404,034
FIXED ASSETS, at cost	1,327,974	723,225
Less: Accumulated depreciation	(199,230)	(157,944)
Net fixed assets	1,128,744	565,281
GOODWILL	325,046	325,046
Other assets, net	252,942	266,068
Equity investees and other investments	620,247	549,235
TOTAL ASSETS	2,862,202	2,109,664	1,730,844
Current liabilities	446,553	312,651
Senior secured credit facility	582,800	500,000
7.875% senior unsecured notes (including unamortized premium of $772 and $895 in 2013 and 2012, respectively)	700,772	350,895
Deferred tax liabilities	15,944	13,810
Other liabilities	18,396	15,813
Total liabilities	1,764,465	1,193,169
Partners' capital	1,097,737	916,495
TOTAL LIABILITIES AND PARTNERS’ CAPITAL	2,862,202	2,109,664
Genesis Energy, L.P. (Parent and Co-Issuer)
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	20	10	3	1
Other current assets	1,133,695	745,589
Total current assets	1,133,715	745,599
FIXED ASSETS, at cost	0	0
Less: Accumulated depreciation	0	0
GOODWILL	0	0
Other assets, net	21,432	17,737
Equity investees and other investments	0	0
Investments in subsidiaries	1,236,164	1,006,415
TOTAL ASSETS	2,391,311	1,769,751
Current liabilities	10,002	2,361
Senior secured credit facility	582,800	500,000
7.875% senior unsecured notes (including unamortized premium of $772 and $895 in 2013 and 2012, respectively)	700,772	350,895
Deferred tax liabilities	0	0
Other liabilities	0	0
Total liabilities	1,293,574	853,256
Partners' capital	1,097,737	916,495
TOTAL LIABILITIES AND PARTNERS’ CAPITAL	2,391,311	1,769,751
Genesis Energy Finance Corporation (Co-Issuer)
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	0	0	0
Other current assets	0	0
FIXED ASSETS, at cost	0	0
Less: Accumulated depreciation	0	0
GOODWILL	0	0
Other assets, net	0	0
Equity investees and other investments	0	0
Investments in subsidiaries	0	0
Current liabilities	0	0
Senior secured credit facility	0	0
7.875% senior unsecured notes (including unamortized premium of $772 and $895 in 2013 and 2012, respectively)	0	0
Deferred tax liabilities	0	0
Other liabilities	0	0
Partners' capital	0	0
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	8,061	11,214	9,182	5,082
Other current assets	498,230	367,837
Total current assets	506,291	379,051
FIXED ASSETS, at cost	1,211,356	617,519
Less: Accumulated depreciation	(181,905)	(144,882)
Net fixed assets	1,029,451	472,637
GOODWILL	325,046	325,046
Other assets, net	238,282	254,423
Equity investees and other investments	620,247	549,235
Investments in subsidiaries	124,718	102,707
TOTAL ASSETS	2,844,035	2,083,099
Current liabilities	1,576,186	1,048,937
Senior secured credit facility	0	0
7.875% senior unsecured notes (including unamortized premium of $772 and $895 in 2013 and 2012, respectively)	0	0
Deferred tax liabilities	15,944	13,810
Other liabilities	14,664	13,044
Total liabilities	1,606,794	1,075,791
Partners' capital	1,237,241	1,007,308
TOTAL LIABILITIES AND PARTNERS’ CAPITAL	2,844,035	2,083,099
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	785	58	1,632	679
Other current assets	54,199	41,533
Total current assets	54,984	41,591
FIXED ASSETS, at cost	116,618	105,706
Less: Accumulated depreciation	(17,325)	(13,062)
Net fixed assets	99,293	92,644
GOODWILL	0	0
Other assets, net	152,413	157,604
Equity investees and other investments	0	0
Investments in subsidiaries	0	0
TOTAL ASSETS	306,690	291,839
Current liabilities	19,660	23,567
Senior secured credit facility	0	0
7.875% senior unsecured notes (including unamortized premium of $772 and $895 in 2013 and 2012, respectively)	0	0
Deferred tax liabilities	0	0
Other liabilities	162,739	166,282
Total liabilities	182,399	189,849
Partners' capital	124,291	101,990
TOTAL LIABILITIES AND PARTNERS’ CAPITAL	306,690	291,839
Eliminations
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	0	0	0
Other current assets	(1,159,767)	(762,207)
Total current assets	(1,159,767)	(762,207)
FIXED ASSETS, at cost	0	0
Less: Accumulated depreciation	0	0
GOODWILL	0	0
Other assets, net	(159,185)	(163,696)
Equity investees and other investments	0	0
Investments in subsidiaries	(1,360,882)	(1,109,122)
TOTAL ASSETS	(2,679,834)	(2,035,025)
Current liabilities	(1,159,295)	(762,214)
Senior secured credit facility	0	0
7.875% senior unsecured notes (including unamortized premium of $772 and $895 in 2013 and 2012, respectively)	0	0
Deferred tax liabilities	0	0
Other liabilities	(159,007)	(163,513)
Total liabilities	(1,318,302)	(925,727)
Partners' capital	(1,361,532)	(1,109,298)
TOTAL LIABILITIES AND PARTNERS’ CAPITAL	$ (2,679,834)	$ (2,035,025)