UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (29,435)	$ 28,979
Other comprehensive income:
Amortization of prior service cost	122	0
Total Comprehensive income (loss)	(29,313)	28,979
Comprehensive loss attributable to noncontrolling interests	2	16
Comprehensive income attributable to redeemable noncontrolling interests	(4,791)	(4,086)
Comprehensive income (loss) attributable to Genesis Energy, L.P.	$ (34,102)	$ 24,909