Condensed Consolidating Financial Information (Condensed Consolidating Balance Sheet) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	$ 10,817	$ 5,762	$ 4,148	$ 18,985
Other current assets	365,287	246,776
Total current assets	376,104	252,538
Fixed Assets, at cost	541,138	373,339
Less: Accumulated depreciation	(124,213)	(108,283)
Net fixed assets	416,925	265,056
Goodwill	325,046	325,046
Other assets, net	285,822	320,661
Equity investees and other investments	326,947	343,434
Investments in subsidiaries
TOTAL ASSETS	1,730,844	1,506,735
Current liabilities	249,428	206,714
Senior secured credit facilities	409,300	360,000
Senior unsecured notes	250,000	250,000
Deferred tax liabilities	12,549	15,193
Other liabilities	16,929	5,564
Total liabilities	938,206	837,471
Partners' capital	792,638	669,264
TOTAL LIABILITIES AND PARTNERS' CAPITAL	1,730,844	1,506,735
Genesis Energy, L.P. (Parent And Co-Issuer) [Member]
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	3	1	2	3
Other current assets	597,966	584,967
Total current assets	597,969	584,968
Fixed Assets, at cost
Less: Accumulated depreciation
Net fixed assets
Goodwill
Other assets, net	14,773	14,695
Equity investees and other investments
Investments in subsidiaries	841,725	682,641
TOTAL ASSETS	1,454,467	1,282,304
Current liabilities	2,529	3,040
Senior secured credit facilities	409,300	360,000
Senior unsecured notes	250,000	250,000
Deferred tax liabilities
Other liabilities
Total liabilities	661,829	613,040
Partners' capital	792,638	669,264
TOTAL LIABILITIES AND PARTNERS' CAPITAL	1,454,467	1,282,304
Genesis Energy Finance Corporation (Co-Issuer) [Member]
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents
Other current assets
Total current assets
Fixed Assets, at cost
Less: Accumulated depreciation
Net fixed assets
Goodwill
Other assets, net
Equity investees and other investments
Investments in subsidiaries
TOTAL ASSETS
Current liabilities
Senior secured credit facilities
Senior unsecured notes
Deferred tax liabilities
Other liabilities
Total liabilities
Partners' capital
TOTAL LIABILITIES AND PARTNERS' CAPITAL
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	9,182	5,082	3,884	18,802
Other current assets	341,131	245,240
Total current assets	350,313	250,322
Fixed Assets, at cost	444,262	297,832
Less: Accumulated depreciation	(114,655)	(101,472)
Net fixed assets	329,607	196,360
Goodwill	325,046	325,046
Other assets, net	276,450	310,808
Equity investees and other investments	326,947	343,434
Investments in subsidiaries	96,303	83,323
TOTAL ASSETS	1,704,666	1,509,293
Current liabilities	835,013	805,381
Senior secured credit facilities
Senior unsecured notes
Deferred tax liabilities	12,549	15,193
Other liabilities	14,673	5,564
Total liabilities	862,235	826,138
Partners' capital	842,431	683,155
TOTAL LIABILITIES AND PARTNERS' CAPITAL	1,704,666	1,509,293
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents	1,632	679	262	180
Other current assets	31,897	20,620
Total current assets	33,529	21,299
Fixed Assets, at cost	96,876	75,507
Less: Accumulated depreciation	(9,558)	(6,811)
Net fixed assets	87,318	68,696
Goodwill
Other assets, net	162,373	166,616
Equity investees and other investments
Investments in subsidiaries
TOTAL ASSETS	283,220	256,611
Current liabilities	17,562	2,172
Senior secured credit facilities
Senior unsecured notes
Deferred tax liabilities
Other liabilities	169,842	171,266
Total liabilities	187,404	173,438
Partners' capital	95,816	83,173
TOTAL LIABILITIES AND PARTNERS' CAPITAL	283,220	256,611
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Cash and cash equivalents
Other current assets	(605,707)	(604,051)
Total current assets	(605,707)	(604,051)
Fixed Assets, at cost
Less: Accumulated depreciation
Net fixed assets
Goodwill
Other assets, net	(167,774)	(171,458)
Equity investees and other investments
Investments in subsidiaries	(938,028)	(765,964)
TOTAL ASSETS	(1,711,509)	(1,541,473)
Current liabilities	(605,676)	(603,879)
Senior secured credit facilities
Senior unsecured notes
Deferred tax liabilities
Other liabilities	(167,586)	(171,266)
Total liabilities	(773,262)	(775,145)
Partners' capital	(938,247)	(766,328)
TOTAL LIABILITIES AND PARTNERS' CAPITAL	$ (1,711,509)	$ (1,541,473)