| Cover | Jun. 30, 2023 |
| Cover [Abstract] | |
| Entity Registrant Name | RPC, Inc. |
| Entity Central Index Key | 0000742278 |
| Document Type | 8-K |
| Amendment Flag | false |
| Entity Emerging Growth Company | false |
| Document Period End Date | Jun. 30, 2023 |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 1-8726 |
| Entity Tax Identification Number | 58-1550825 |
| Entity Address Address Line 1 | 2801 Buford Highway NE |
| Entity Address Address Line 2 | Suite 300 |
| Entity Address City Or Town | Atlanta |
| Entity Address State Or Province | GA |
| Entity Address Postal Zip Code | 30329 |
| City Area Code | 404 |
| Local Phone Number | 321-2140 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, par value $0.10 per share |
| Trading Symbol | RES |
| Security Exchange Name | NYSE |
