EARNINGS PER SHARE - Reconciliation of the Shares Used in EPS Calculation (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Earnings Per Share [Abstract]
Net income attributable to ChampionX	$ 52,569	$ 95,797	$ 165,492	$ 159,329
Weighted-average number of shares outstanding (in shares)	190,426	197,034	190,615	197,657
Dilutive effect of stock-based compensation (in shares)	2,831	3,701	3,125	4,037
Total shares and dilutive securities (in shares)	193,257	200,735	193,740	201,694
Earnings per share attributable to ChampionX:
Basic (in dollars per share)	$ 0.28	$ 0.49	$ 0.87	$ 0.81
Diluted (in dollars per share)	$ 0.27	$ 0.48	$ 0.85	$ 0.79