Unaudited Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (1,634)	$ 6,160	$ 17,135	$ 66,678
Change in benefit plan liability	0	0	0	0
Total Comprehensive income (loss)	(1,634)	6,160	17,135	66,678
Comprehensive loss attributable to non-controlling interests	1,311	152	1,573	457
Comprehensive income (loss) attributable to Genesis Energy, L.P.	$ (323)	$ 6,312	$ 18,708	$ 67,135