CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 114,240	$ (742,353)	$ 52,960
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(4,465)	20,245	936
Cash flow hedges	3,601	(2,320)	0
Pension and other post-retirement benefit plans:
Net actuarial gain (loss) arising during period	8,517	(5,526)	(2,521)
Prior service cost arising during period	195	22	(190)
Reclassification adjustment for net actuarial loss included in net income	1,206	356	272
Reclassification of adjustment for prior service costs included in net income	76	0	1
Reclassification of adjustment for settlement losses included in net income	0	505	371
Total pension and other post-retirement benefit plans	9,994	(4,643)	(2,067)
Other comprehensive income (loss), net of tax	9,130	13,282	(1,131)
Comprehensive income (loss)	123,370	(729,071)	51,829
Less: Comprehensive income attributable to noncontrolling interest	941	1,577	796
Comprehensive income (loss) attributable to ChampionX	$ 122,429	$ (730,648)	$ 51,033