v3.25.2
Cover - USD ($)
 12 Months Ended
Jun. 30, 2025
Sep. 24, 2025
Dec. 31, 2024
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Jun. 30, 2025    
Current Fiscal Year End Date --06-30    
Document Transition Report false    
Entity File Number 001-42149    
Registrant Name Tamboran Resources Corporation    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 93-4111196    
Entity Address, Address Line One Suite 01, Level 39, Tower One,    
Entity Address, Address Line Two International Towers    
Entity Address, City or Town Sydney    
Entity Address, Address Line Three 100 Barangaroo Avenue    
Entity Address, Country AU    
Entity Address, Postal Zip Code 2000    
City Area Code 61    
Local Phone Number 2 8330 6626    
Title of 12(b) Security Common Stock, $0.001 par value    
Trading Symbol TBN    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
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    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 221,466,938
Entity Common Stock, Shares Outstanding   17,820,758  
Documents Incorporated by Reference Portions of the Tamboran Resources Corporation Proxy Statement for the 2025 Annual Meeting of stockholders (“2025 Proxy Statement”) are incorporated by reference into Part III hereof.    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Central Index Key 0001997652    
Amendment Flag false