| Document and Entity Information Document | Apr. 28, 2021 |
| Entity Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Apr. 28, 2021 |
| Entity Registrant Name | ChampionX Corporation |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-38441 |
| Entity Tax Identification Number | 82-3066826 |
| Entity Address, Address Line One | 2445 Technology Forest Blvd |
| Entity Address, Address Line Two | Building 4, 12th Floor |
| Entity Address, City or Town | The Woodlands |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 77381 |
| City Area Code | (281) |
| Local Phone Number | 403-5772 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common stock, $0.01 par value |
| Trading Symbol | CHX |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001723089 |
| Amendment Flag | false |
