Condensed Consolidating Financial Information (Condensed Consolidating Statements Of Cash Flow) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	$ 138,386	$ 189,304	$ 58,307
Payments to acquire fixed and intangible assets	(343,119)	(146,456)	(27,992)
Cash distributions received from equity investees - return of investment	12,432	14,909	11,436
Investments in equity investees	(94,551)	(63,749)	0
Acquisitions	(230,880)	(205,576)	(163,673)
Proceeds from Sales of Assets, Investing Activities	1,910	773	6,424
Payments for (Proceeds from) Other Investing Activities	1,622	1,508	(1,508)
Other, net		(1,508)	1,508
Net cash used in investing activities	(655,830)	(401,607)	(172,297)
Borrowings on senior secured credit facility	1,593,300	1,674,400	777,600
Repayments on senior secured credit facility	(1,510,500)	(1,583,700)	(728,300)
Proceeds from issuance of senior unsecured notes, including premium	350,000	101,000	0
Credit facility and senior unsecured notes issuance fees	(8,157)	(7,105)	(3,018)
Issuance of ownership interests to partners for cash	263,574	169,421	184,969
Payments of Distributions To Common Unitholders	168,441	142,383	112,844
Issuance of common units for cash, net	263,574	169,421	184,969
Distributions to partners/owners	(168,441)	(142,383)	(112,844)
Other, net	4,748	(1,135)	(638)
Net cash provided by financing activities	515,028	212,768	119,045
Net increase in cash and cash equivalents	(2,416)	465	5,055
Cash and cash equivalents at beginning of period	11,282	10,817	5,762
Cash and cash equivalents at end of period	8,866	11,282	10,817
Genesis Energy, L.P. (Parent and Co-Issuer)
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	(280,155)	(70,083)	(41,392)
Payments to acquire fixed and intangible assets	0
Cash distributions received from equity investees - return of investment	23,963	27,878	107,956
Investments in equity investees	(263,574)	(169,421)	(184,969)
Acquisitions	0
Repayments on loan to non-guarantor subsidiary	0
Proceeds from Sales of Assets, Investing Activities	0
Payments for (Proceeds from) Other Investing Activities	0
Net cash used in investing activities	(239,611)	(141,543)	(77,013)
Borrowings on senior secured credit facility	1,593,300	1,674,400	777,600
Repayments on senior secured credit facility	(1,510,500)	(1,583,700)	(728,300)
Proceeds from issuance of senior unsecured notes, including premium	350,000	101,000
Credit facility and senior unsecured notes issuance fees	(8,157)	(7,105)	(3,018)
Issuance of ownership interests to partners for cash			184,969
Payments of Distributions To Common Unitholders	168,441	142,383
Issuance of common units for cash, net	263,574	169,421
Distributions to partners/owners			(112,844)
Other, net	0
Net cash provided by financing activities	519,776	211,633	118,407
Net increase in cash and cash equivalents	10	7	2
Cash and cash equivalents at beginning of period	10	3	1
Cash and cash equivalents at end of period	20	10	3
Genesis Energy Finance Corporation (Co-Issuer)
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	0	0
Payments to acquire fixed and intangible assets	0
Cash distributions received from equity investees - return of investment	0	0
Investments in equity investees	0	0
Acquisitions	0
Repayments on loan to non-guarantor subsidiary	0
Proceeds from Sales of Assets, Investing Activities	0
Payments for (Proceeds from) Other Investing Activities	0
Borrowings on senior secured credit facility	0	0
Repayments on senior secured credit facility	0	0
Proceeds from issuance of senior unsecured notes, including premium	0	0
Credit facility and senior unsecured notes issuance fees	0	0
Payments of Distributions To Common Unitholders	0	0
Issuance of common units for cash, net		0
Other, net	0
Cash and cash equivalents at beginning of period	0	0
Cash and cash equivalents at end of period	0	0
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	547,333	362,855	99,360
Payments to acquire fixed and intangible assets	(332,024)	(137,362)	(27,417)
Cash distributions received from equity investees - return of investment	12,432	14,909	11,436
Investments in equity investees	(94,551)	(63,749)	(19,999)
Acquisitions	(230,880)	(205,576)	(142,886)
Repayments on loan to non-guarantor subsidiary	4,512	4,078	3,685
Proceeds from Sales of Assets, Investing Activities	1,910	773	6,424
Payments for (Proceeds from) Other Investing Activities	1,622	1,557
Other, net			770
Net cash used in investing activities	(640,223)	(388,484)	(167,987)
Borrowings on senior secured credit facility	0	0	0
Repayments on senior secured credit facility	0	0	0
Proceeds from issuance of senior unsecured notes, including premium	0	0
Credit facility and senior unsecured notes issuance fees	0	0
Issuance of ownership interests to partners for cash			184,969
Payments of Distributions To Common Unitholders	168,441	142,383
Issuance of common units for cash, net	263,574	169,421
Distributions to partners/owners			(112,844)
Other, net	5,396	(623)	(602)
Net cash provided by financing activities	89,737	27,661	72,727
Net increase in cash and cash equivalents	(3,153)	2,032	4,100
Cash and cash equivalents at beginning of period	11,214	9,182	5,082
Cash and cash equivalents at end of period	8,061	11,214	9,182
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	6,246	25,186	17,696
Payments to acquire fixed and intangible assets	(11,095)	(9,094)	(575)
Cash distributions received from equity investees - return of investment	0	0
Investments in equity investees	0	0
Acquisitions	0	0	(20,787)
Repayments on loan to non-guarantor subsidiary	0	0
Proceeds from Sales of Assets, Investing Activities	0	0
Payments for (Proceeds from) Other Investing Activities	0	(49)
Other, net			738
Net cash used in investing activities	(11,095)	(9,045)	(20,624)
Borrowings on senior secured credit facility	0	0
Repayments on senior secured credit facility	0	0
Proceeds from issuance of senior unsecured notes, including premium	0	0
Credit facility and senior unsecured notes issuance fees	0	0
Issuance of ownership interests to partners for cash			19,999
Payments of Distributions To Common Unitholders	(9,401)	14,183
Issuance of common units for cash, net	0	0
Distributions to partners/owners			(12,500)
Other, net	3,825	3,532	3,618
Net cash provided by financing activities	5,576	(17,715)	3,881
Net increase in cash and cash equivalents	727	(1,574)	953
Cash and cash equivalents at beginning of period	58	1,632	679
Cash and cash equivalents at end of period	785	58	1,632
Eliminations
Condensed Financial Statements, Captions [Line Items]
Net cash provided by operating activities	(135,038)	(128,654)	(17,357)
Payments to acquire fixed and intangible assets	0	0
Cash distributions received from equity investees - return of investment	(23,963)	(27,878)	(107,956)
Investments in equity investees	263,574	169,421	204,968
Acquisitions	0	0
Repayments on loan to non-guarantor subsidiary	(4,512)	(4,078)	(3,685)
Proceeds from Sales of Assets, Investing Activities	0	0
Payments for (Proceeds from) Other Investing Activities	0	0
Net cash used in investing activities	235,099	137,465	93,327
Borrowings on senior secured credit facility	0	0
Repayments on senior secured credit facility	0	0
Proceeds from issuance of senior unsecured notes, including premium	0	0
Credit facility and senior unsecured notes issuance fees	0	0
Issuance of ownership interests to partners for cash			(204,968)
Payments of Distributions To Common Unitholders	(159,040)	(156,566)
Issuance of common units for cash, net	(263,574)	(169,421)
Distributions to partners/owners			125,344
Other, net	(4,473)	(4,044)	(3,654)
Net cash provided by financing activities	(100,061)	(8,811)	(75,970)
Cash and cash equivalents at beginning of period	0	0
Cash and cash equivalents at end of period	$ 0	$ 0	$ 0