Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - $ / shares
9 Months Ended
Sep. 30, 2022
Nov. 10, 2022
Document And Entity Information    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Sep. 30, 2022  
Entity File Number 001-41537  
Entity Registrant Name GRANITE RIDGE RESOURCES, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 88-2227812  
Entity Address State Or Province TX  
Entity Address, Address Line One 5217 McKinney Ave,  
Entity Address, Adress Line Two Suite 400,  
Entity Address, City or Town Dallas  
Entity Address, Postal Zip Code 75205  
City Area Code (214)  
Local Phone Number 396-2850  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   133,294,897
Entity Central Index Key 0001928446  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2022  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Common Stock    
Document And Entity Information    
Title of 12(b) Security Common Stock, par value $0.0001 per share  
Trading Symbol GRNT  
Security Exchange Name NYSE  
Document And Entity Information    
Title of 12(b) Security Warrants to purchase Common Stock, each whole warrant exercisable for one share of common stock at an exercise price of $11.50 per share  
Trading Symbol GRNT WS  
Security Exchange Name NYSE  
Exercise price of warrants $ 11.50  
Number of securities called by each warrant or right 1