CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)		$ (7,332)	$ 11,588	$ (749,834)	$ 54,534
Foreign currency translation adjustments	[1]	3,782	(2,900)	(1,567)	(836)
Cash flow hedges		(862)	0	(209)	0
Defined pension and other post-retirement benefits adjustments, net	[2]	99	68	297	235
Other comprehensive income (loss)		3,019	(2,832)	(1,479)	(601)
Comprehensive income (loss)		(4,313)	8,756	(751,313)	53,933
Comprehensive income attributable to noncontrolling interest		582	194	1,453	547
Comprehensive income (loss) attributable to ChampionX		$ (4,895)	$ 8,562	$ (752,766)	$ 53,386

[1] Net of income tax (expense) benefit of $0 for the three and nine months ended September 30, 2020 and 2019.

[2] Net of income tax (expense) benefit of $33 and $23 for the three months ended September 30, 2020 and 2019, respectively, and $99 and $202 for the nine months ended September 30, 2020 and 2019, respectively.