CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 100,066	$ (11,792)	$ 82,079
Other comprehensive income (loss):
Decrease (increase) in benefit plan liability	(9,370)	1,543	(604)
Total Comprehensive income (loss)	86,629	(4,532)	82,043
Comprehensive (income) loss attributable to noncontrolling interests	(1,834)	5,717	568
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Redeemable Noncontrolling interest	(2,233)	0	0
Comprehensive income (loss) attributable to Genesis Energy, L.P.	$ 90,696	$ (10,249)	$ 81,475