| Cover Page | Nov. 07, 2023 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Nov. 07, 2023 |
| Entity Registrant Name | GRANITE RIDGE RESOURCES, INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-41537 |
| Entity Tax Identification Number | 88-2227812 |
| Entity Address, Address Line One | 5217 McKinney Avenue |
| Entity Address, Address Line Two | Suite 400 |
| Entity Address, City or Town | Dallas |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 75205 |
| City Area Code | 214 |
| Local Phone Number | 396-2850 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common stock, par value $0.0001 per share |
| Trading Symbol | GRNT |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Entity Central Index Key | 0001928446 |
| Amendment Flag | false |
