v3.25.4
Stockholders’ Equity - Schedule of Movement in Common Stock (Details)
$ / shares in Units, $ in Thousands, $ in Millions
1 Months Ended 6 Months Ended 12 Months Ended
Dec. 15, 2025
$ / shares
shares
Dec. 12, 2025
$ / shares
shares
Dec. 09, 2025
$ / shares
shares
Dec. 04, 2025
USD ($)
$ / shares
shares
Nov. 24, 2025
USD ($)
$ / shares
shares
Nov. 24, 2025
AUD ($)
shares
Oct. 27, 2025
USD ($)
$ / shares
shares
Jul. 28, 2025
$ / shares
shares
Jul. 23, 2025
USD ($)
$ / shares
shares
Dec. 31, 2025
USD ($)
shares
Nov. 30, 2025
USD ($)
$ / shares
shares
Sep. 30, 2025
USD ($)
$ / shares
shares
Jul. 31, 2025
USD ($)
$ / shares
shares
Jun. 30, 2024
$ / shares
shares
Dec. 31, 2025
USD ($)
shares
Jun. 30, 2025
USD ($)
shares
Tamboran
common stock                                 
Common stock, at the beginning of the period (in shares) | shares                         16,717,289   16,717,289  
Issuance of common stock pursuant to Subscription Agreement (in shares) | shares                 940,729       940,729      
Issuance of common stock as prepayment of Facility Fee (in shares) | shares                 112,740       112,740      
Issuance of common stock as termination payment (in shares) | shares               50,000       50,000   312,500    
Common stock, at the end of the period (in shares) | shares                   21,115,136         21,115,136 16,717,289
Fair market value at time of issuance                                
Issuance of common stock pursuant to Subscription Agreement (in dollars per share) | $ / shares                 $ 17.74       $ 17.74      
Issuance of common stock as prepayment of Facility Fee (in dollars per share) | $ / shares                 $ 19.41       $ 19.41      
Issuance of common stock (in dollars per share) | $ / shares               $ 19.75       $ 19.75   $ 24.00    
Details                                
Issuance of common stock pursuant to Subscription Agreement                         $ 10,966      
Issuance of common stock as prepayment of Facility Fee                         2,188      
Issuance of common stock                       $ 988        
Less: Transaction costs                 $ (1,400)           $ (4,889) $ (400)
Cumulative net proceeds                                
Common stock, value, net proceeds at beginning of period                         $ 450,437   450,437  
Less: Transaction costs                             78,394  
Common stock, value, net proceeds at end of period                   $ 528,831         $ 528,831 $ 450,437
Employee stock                                
Tamboran
common stock                                 
Issuance of common stock under share purchase plan/against vested equity awards (in shares) | shares         537,794 537,794         537,794          
Fair market value at time of issuance                                
Issuance of common stock under share purchase plan/against vested equity awards (in dollars per share) | $ / shares         $ 20.93           $ 20.93          
Details                                
Issuance of common stock under share purchase plan/against vested equity awards         $ 11,300 $ 17.4         $ 11,255          
Tranche 1 | Share-based payment arrangement                                
Tamboran
common stock                                 
Issuance of common stock under share purchase plan/against vested equity awards (in shares) | shares       38,500                        
Fair market value at time of issuance                                
Issuance of common stock under share purchase plan/against vested equity awards (in dollars per share) | $ / shares       $ 21.73                        
Details                                
Issuance of common stock under share purchase plan/against vested equity awards       $ 837                        
Tranche 2 | Share-based payment arrangement                                
Tamboran
common stock                                 
Issuance of common stock under share purchase plan/against vested equity awards (in shares) | shares     7,650                          
Fair market value at time of issuance                                
Issuance of common stock under share purchase plan/against vested equity awards (in dollars per share) | $ / shares     $ 21.73                          
Details                                
Issuance of common stock under share purchase plan/against vested equity awards                   166            
Tranche 3 | Share-based payment arrangement                                
Tamboran
common stock                                 
Issuance of common stock under share purchase plan/against vested equity awards (in shares) | shares   2,309                            
Fair market value at time of issuance                                
Issuance of common stock under share purchase plan/against vested equity awards (in dollars per share) | $ / shares   $ 20.99                            
Details                                
Issuance of common stock under share purchase plan/against vested equity awards                   48            
Tranche 4 | Share-based payment arrangement                                
Tamboran
common stock                                 
Issuance of common stock under share purchase plan/against vested equity awards (in shares) | shares   5,002                            
Fair market value at time of issuance                                
Issuance of common stock under share purchase plan/against vested equity awards (in dollars per share) | $ / shares   $ 19.99                            
Details                                
Issuance of common stock under share purchase plan/against vested equity awards                   100            
Tranche 5 | Share-based payment arrangement                                
Tamboran
common stock                                 
Issuance of common stock under share purchase plan/against vested equity awards (in shares) | shares 30,012                              
Fair market value at time of issuance                                
Issuance of common stock under share purchase plan/against vested equity awards (in dollars per share) | $ / shares $ 19.99                              
Details                                
Issuance of common stock under share purchase plan/against vested equity awards                   $ 600            
Public stock offering                                
Tamboran
common stock                                 
Issuance of common stock under public offering (in shares) | shares             2,673,111                  
Fair market value at time of issuance                                
Issuance of common stock (in dollars per share) | $ / shares             $ 21.00                  
Details                                
Issuance of common stock             $ 56,135