Condensed Consolidating Financial Information (Condensed Consolidating Statements Of Cash Flow) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	$ 58,307	$ 90,463	$ 90,079
Payments to acquire fixed and intangible assets	(27,992)	(12,400)	(30,332)
Cash distributions received from equity investees - return of investment	11,436	2,859
Investments in equity investees and other investments	(194)	(332,462)	(83)
Acquisitions	(163,479)
Repayments on loan to non-guarantor subsidiary
Other, net	7,932	1,265	1,182
Net cash used in investing activities	(172,297)	(340,738)	(29,233)
Bank borrowings	777,600	691,829	255,300
Bank repayments	(728,300)	(698,729)	(263,700)
Transfer of senior secured credit facility to Parent
Proceeds from issuance of senior unsecured notes		250,000
Credit facility and senior unsecured notes issuance fees	(3,018)	(14,586)	(422)
Issuance of ownership interests to partners for cash	184,969	118,875	9
Noncontrolling interests contributions, net of distributions		6	(6)
Acquisition of noncontrolling interest in DG Marine		(26,288)
Distributions to partners/owners	(112,844)	(70,352)	(60,080)
Other, net	638	1,134	(6,784)
Net cash provided by (used in) financing activities	119,045	251,889	(75,683)
Net increase (decrease) in cash and cash equivalents	5,055	1,614	(14,837)
Cash and cash equivalents at beginning of period	5,762	4,148	18,985
Cash and cash equivalents at end of period	10,817	5,762	4,148
Genesis Energy, L.P. (Parent And Co-Issuer) [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	(41,392)	(569,824)	(1)
Payments to acquire fixed and intangible assets
Cash distributions received from equity investees - return of investment	107,956	45,889	60,080
Investments in equity investees and other investments	(184,969)	(118,875)	(9)
Acquisitions
Repayments on loan to non-guarantor subsidiary
Other, net
Net cash used in investing activities	(77,013)	(72,986)	60,071
Bank borrowings	777,600	449,729
Bank repayments	(728,300)	(455,629)
Transfer of senior secured credit facility to Parent		364,772
Proceeds from issuance of senior unsecured notes		250,000
Credit facility and senior unsecured notes issuance fees	(3,018)	(14,586)
Issuance of ownership interests to partners for cash	184,969	118,875	9
Noncontrolling interests contributions, net of distributions
Acquisition of noncontrolling interest in DG Marine
Distributions to partners/owners	(112,844)	(70,352)	(60,080)
Other, net
Net cash provided by (used in) financing activities	118,407	642,809	(60,071)
Net increase (decrease) in cash and cash equivalents	2	(1)	(1)
Cash and cash equivalents at beginning of period	1	2	3
Cash and cash equivalents at end of period	3	1	2
Genesis Energy Finance Corporation (Co-Issuer) [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities
Payments to acquire fixed and intangible assets
Cash distributions received from equity investees - return of investment
Investments in equity investees and other investments
Acquisitions
Repayments on loan to non-guarantor subsidiary
Other, net
Net cash used in investing activities
Bank borrowings
Bank repayments
Transfer of senior secured credit facility to Parent
Proceeds from issuance of senior unsecured notes
Credit facility and senior unsecured notes issuance fees
Issuance of ownership interests to partners for cash
Noncontrolling interests contributions, net of distributions
Acquisition of noncontrolling interest in DG Marine
Distributions to partners/owners
Other, net
Net cash provided by (used in) financing activities
Net increase (decrease) in cash and cash equivalents
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period
Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	99,360	680,974	86,926
Payments to acquire fixed and intangible assets	(27,417)	(12,372)	(30,270)
Cash distributions received from equity investees - return of investment	11,436	2,859
Investments in equity investees and other investments	(20,193)	(332,462)	(83)
Acquisitions	(142,692)
Repayments on loan to non-guarantor subsidiary	3,685	3,331	3,010
Other, net	7,194	1,265	1,182
Net cash used in investing activities	(167,987)	(337,379)	(26,161)
Bank borrowings		242,100	255,300
Bank repayments		(243,100)	(263,700)
Transfer of senior secured credit facility to Parent		(364,772)
Proceeds from issuance of senior unsecured notes
Credit facility and senior unsecured notes issuance fees			(422)
Issuance of ownership interests to partners for cash	184,969	118,888	9
Noncontrolling interests contributions, net of distributions
Acquisition of noncontrolling interest in DG Marine		(26,288)
Distributions to partners/owners	(112,844)	(70,359)	(60,086)
Other, net	602	1,134	(6,784)
Net cash provided by (used in) financing activities	72,727	(342,397)	(75,683)
Net increase (decrease) in cash and cash equivalents	4,100	1,198	(14,918)
Cash and cash equivalents at beginning of period	5,082	3,884	18,802
Cash and cash equivalents at end of period	9,182	5,082	3,884
Non-Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	17,696	3,746	11,128
Payments to acquire fixed and intangible assets	(575)	(28)	(62)
Cash distributions received from equity investees - return of investment
Investments in equity investees and other investments
Acquisitions	(20,787)
Repayments on loan to non-guarantor subsidiary
Other, net	738
Net cash used in investing activities	(20,624)	(28)	(62)
Bank borrowings
Bank repayments
Transfer of senior secured credit facility to Parent
Proceeds from issuance of senior unsecured notes
Credit facility and senior unsecured notes issuance fees
Issuance of ownership interests to partners for cash	19,999
Noncontrolling interests contributions, net of distributions
Acquisition of noncontrolling interest in DG Marine
Distributions to partners/owners	(12,500)		(8,000)
Other, net	(3,618)	(3,301)	(2,984)
Net cash provided by (used in) financing activities	3,881	(3,301)	(10,984)
Net increase (decrease) in cash and cash equivalents	953	417	82
Cash and cash equivalents at beginning of period	679	262	180
Cash and cash equivalents at end of period	1,632	679	262
Eliminations [Member]
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	(17,357)	(24,433)	(7,974)
Payments to acquire fixed and intangible assets
Cash distributions received from equity investees - return of investment	(107,956)	(45,889)	(60,080)
Investments in equity investees and other investments	204,968	118,875	9
Acquisitions
Repayments on loan to non-guarantor subsidiary	(3,685)	(3,331)	(3,010)
Other, net
Net cash used in investing activities	93,327	69,655	(63,081)
Bank borrowings
Bank repayments
Transfer of senior secured credit facility to Parent
Proceeds from issuance of senior unsecured notes
Credit facility and senior unsecured notes issuance fees
Issuance of ownership interests to partners for cash	(204,968)	(118,888)	(9)
Noncontrolling interests contributions, net of distributions		6	(6)
Acquisition of noncontrolling interest in DG Marine
Distributions to partners/owners	125,344	70,359	68,086
Other, net	3,654	3,301	2,984
Net cash provided by (used in) financing activities	(75,970)	(45,222)	71,055
Net increase (decrease) in cash and cash equivalents
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period