Condensed Consolidating Financial Information (Condensed Consolidating Statement of Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended				12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Condensed Financial Statements, Captions [Line Items]
Net income (loss)	$ 26,166	$ 29,113	$ 21,148	$ 29,775	$ 421,585	$ 106,202	$ 86,109
Genesis Energy, L.P. (Parent and Co-Issuer)
Condensed Financial Statements, Captions [Line Items]
Net income (loss)						106,202	86,109
Genesis Energy Finance Corporation (Co-Issuer)
Condensed Financial Statements, Captions [Line Items]
Net income (loss)						0	0
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net income (loss)						172,363	135,273
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net income (loss)						6,775	6,729
Eliminations
Condensed Financial Statements, Captions [Line Items]
Net income (loss)						$ (179,138)	$ (142,002)