Condensed Consolidating Financial Information Condensed Consolidated Financial Information (Restatement) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Condensed Financial Statements, Captions [Line Items]
Other current assets	$ 295,421	$ 345,904
Assets, Current	306,316	355,366
TOTAL ASSETS	5,459,599	3,210,624	$ 2,848,528
Advances to Affiliate	0	0
Current liabilities	302,136	363,145
Due to Affiliate	0	0
OTHER LONG-TERM LIABILITIES	192,072	18,233
Liabilities	3,438,848	1,981,421
Liabilities and Equity	5,459,599	3,210,624
Net Cash Provided by (Used in) Operating Activities	289,536	291,054	138,386
Increase (Decrease) in Due to Affiliates	0	0	0
Net Cash Provided by (Used in) Investing Activities	(1,989,459)	(623,987)	(655,830)
Increase (Decrease) Due from Affiliates	0	0	0
Net cash provided by financing activities	1,701,356	333,529	515,028
Genesis Energy, L.P. (Parent and Co-Issuer)
Condensed Financial Statements, Captions [Line Items]
Other current assets	50	53
Assets, Current	56	62
TOTAL ASSETS	4,986,493	2,821,508
Advances to Affiliate	2,619,493	1,378,520
Current liabilities	35,338	11,016
Due to Affiliate	0	0
OTHER LONG-TERM LIABILITIES	0	0
Liabilities	2,957,392	1,592,305
Liabilities and Equity	4,986,493	2,821,508
Net Cash Provided by (Used in) Operating Activities	(14,082)	96,868	107,951
Increase (Decrease) in Due to Affiliates	(1,240,973)	(244,876)	(388,106)
Net Cash Provided by (Used in) Investing Activities	(1,688,708)	(427,846)	(627,717)
Increase (Decrease) Due from Affiliates	0	0	0
Net cash provided by financing activities	1,702,787	330,967	519,776
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Other current assets	285,313	333,385
Assets, Current	293,601	341,695
TOTAL ASSETS	5,454,185	3,234,353
Advances to Affiliate	0	0
Current liabilities	267,294	395,159
Due to Affiliate	2,666,527	1,366,697
OTHER LONG-TERM LIABILITIES	150,877	18,233
Liabilities	3,107,284	1,798,843
Liabilities and Equity	5,454,185	3,234,353
Net Cash Provided by (Used in) Operating Activities	308,144	317,520	139,027
Increase (Decrease) in Due to Affiliates	0	0	0
Net Cash Provided by (Used in) Investing Activities	(1,983,935)	(618,994)	(651,318)
Increase (Decrease) Due from Affiliates	1,299,830	273,911	418,852
Net cash provided by financing activities	1,675,769	301,734	509,237
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Other current assets	10,422	12,474
Assets, Current	13,023	13,617
TOTAL ASSETS	256,334	218,933
Advances to Affiliate	47,034	0
Current liabilities	0	499
Due to Affiliate	0	11,823
OTHER LONG-TERM LIABILITIES	167,006	110,663
Liabilities	167,006	122,985
Liabilities and Equity	256,334	218,933
Net Cash Provided by (Used in) Operating Activities	45,125	34,331	35,847
Increase (Decrease) in Due to Affiliates	0	0	0
Net Cash Provided by (Used in) Investing Activities	0	0	0
Increase (Decrease) Due from Affiliates	(58,857)	(29,035)	(30,746)
Net cash provided by financing activities	(43,667)	(33,984)	(35,219)
Eliminations
Condensed Financial Statements, Captions [Line Items]
Other current assets	(364)	(8)
Assets, Current	(364)	(8)
TOTAL ASSETS	(5,237,413)	(3,064,170)
Advances to Affiliate	(2,666,527)	(1,378,520)
Current liabilities	(496)	(43,529)
Due to Affiliate	(2,666,527)	(1,378,520)
OTHER LONG-TERM LIABILITIES	(125,811)	(110,663)
Liabilities	(2,792,834)	(1,532,712)
Liabilities and Equity	(5,237,413)	(3,064,170)
Net Cash Provided by (Used in) Operating Activities	(49,651)	(157,665)	(144,439)
Increase (Decrease) in Due to Affiliates	1,240,973	244,876	388,106
Net Cash Provided by (Used in) Investing Activities	1,683,184	422,853	623,205
Increase (Decrease) Due from Affiliates	(1,240,973)	(244,876)	(388,106)
Net cash provided by financing activities	$ (1,633,533)	(265,188)	(478,766)
Scenario, Previously Reported [Member] | Genesis Energy, L.P. (Parent and Co-Issuer)
Condensed Financial Statements, Captions [Line Items]
Other current assets		1,378,573
Assets, Current		1,378,582
Advances to Affiliate		0
Net Cash Provided by (Used in) Operating Activities		(148,008)	(280,155)
Increase (Decrease) in Due to Affiliates		0	0
Net Cash Provided by (Used in) Investing Activities		(182,970)	(239,611)
Scenario, Previously Reported [Member] | Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Current liabilities		1,761,856
Due to Affiliate		0
Net Cash Provided by (Used in) Operating Activities		591,431	557,879
Increase (Decrease) Due from Affiliates		0	0
Net cash provided by financing activities		27,824	90,385
Scenario, Previously Reported [Member] | Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Other current assets		46,215
Assets, Current		47,358
TOTAL ASSETS		252,674
Current liabilities		2,705
Due to Affiliate		0
OTHER LONG-TERM LIABILITIES		154,021
Liabilities		156,726
Liabilities and Equity		252,674
Net Cash Provided by (Used in) Operating Activities		5,296	5,101
Increase (Decrease) Due from Affiliates		0	0
Net cash provided by financing activities		(4,950)	(4,473)
Scenario, Previously Reported [Member] | Eliminations
Condensed Financial Statements, Captions [Line Items]
Other current assets		(1,412,269)
Assets, Current		(1,412,269)
TOTAL ASSETS		(3,097,911)
Advances to Affiliate		0
Current liabilities		(1,412,432)
Due to Affiliate		0
OTHER LONG-TERM LIABILITIES		(154,021)
Liabilities		(1,566,453)
Liabilities and Equity		(3,097,911)
Increase (Decrease) in Due to Affiliates		0	0
Net Cash Provided by (Used in) Investing Activities		177,977	235,099
Increase (Decrease) Due from Affiliates		0	0
Net cash provided by financing activities		(20,312)	(90,660)
Restatement Adjustment [Member] | Genesis Energy, L.P. (Parent and Co-Issuer)
Condensed Financial Statements, Captions [Line Items]
Other current assets		(1,378,520)
Assets, Current		(1,378,520)
Advances to Affiliate		1,378,520
Net Cash Provided by (Used in) Operating Activities		244,876	388,106
Increase (Decrease) in Due to Affiliates		(244,876)	(388,106)
Net Cash Provided by (Used in) Investing Activities		(244,876)	(388,106)
Restatement Adjustment [Member] | Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Current liabilities		(1,366,697)
Due to Affiliate		1,366,697
Net Cash Provided by (Used in) Operating Activities		(273,911)	(418,852)
Increase (Decrease) Due from Affiliates		273,911	418,852
Net cash provided by financing activities		273,910	418,852
Restatement Adjustment [Member] | Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Other current assets		(33,741)
Assets, Current		(33,741)
TOTAL ASSETS		(33,741)
Current liabilities		(2,206)
Due to Affiliate		11,823
OTHER LONG-TERM LIABILITIES		(43,358)
Liabilities		(33,741)
Liabilities and Equity		(33,741)
Net Cash Provided by (Used in) Operating Activities		29,035	30,746
Increase (Decrease) Due from Affiliates		(29,035)	(30,746)
Net cash provided by financing activities		(29,034)	(30,746)
Restatement Adjustment [Member] | Eliminations
Condensed Financial Statements, Captions [Line Items]
Other current assets		1,412,261
Assets, Current		1,412,261
TOTAL ASSETS		33,741
Advances to Affiliate		(1,378,520)
Current liabilities		1,368,903
Due to Affiliate		(1,378,520)
OTHER LONG-TERM LIABILITIES		43,358
Liabilities		33,741
Liabilities and Equity		33,741
Increase (Decrease) in Due to Affiliates		244,876	388,106
Net Cash Provided by (Used in) Investing Activities		244,876	388,106
Increase (Decrease) Due from Affiliates		(244,876)	(388,106)
Net cash provided by financing activities		$ (244,876)	$ (388,106)