UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (35,780)	$ (322,565)	$ (65,215)	$ (293,586)
Other comprehensive income:
Amortization of prior service cost	121	243	243	243
Total Comprehensive loss	(35,659)	(322,322)	(64,972)	(293,343)
Comprehensive loss (income) attributable to noncontrolling interests	(136)	10	(134)	26
Comprehensive income attributable to redeemable noncontrolling interests	(5,766)	(4,159)	(10,557)	(8,245)
Comprehensive loss attributable to Genesis Energy, L.P.	$ (41,561)	$ (326,471)	$ (75,663)	$ (301,562)