UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (13,827)	$ (25,580)	$ (79,042)	$ (319,166)
Other comprehensive income:
Amortization of prior service cost	122	122	365	365
Total Comprehensive loss	(13,705)	(25,458)	(78,677)	(318,801)
Comprehensive loss (income) attributable to noncontrolling interests	10	12	(124)	38
Comprehensive income attributable to redeemable noncontrolling interests	(7,082)	(4,149)	(17,639)	(12,394)
Comprehensive loss attributable to Genesis Energy, L.P.	$ (20,777)	$ (29,595)	$ (96,440)	$ (331,157)