v3.26.3
Property, Plant and Equipment & Natural Gas Properties - Narrative, Natural Gas Properties (Details)
$ in Thousands
12 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
TJ / d
Jun. 30, 2026
MMcf / d
Jun. 30, 2026
km
Jun. 30, 2026
mi
Jun. 30, 2026
Jun. 30, 2024
USD ($)
Property, Plant, and Equipment [Line Items]                
Construction facility, percentage complete             90.00%  
Construction facility with total project completion percentage             0.93  
Sturt plateau compression facility (“SPCF”), capacity, volume | TJ / d     50          
Sturt plateau compression facility (“SPCF”), volume     40 41        
Sturt plateau pipeline (SPP), distance         37 23    
Depreciation $ 100 $ 100            
Syndicated Facility Agreement | Term Loan                
Property, Plant, and Equipment [Line Items]                
Interest expense, long-term debt 6,200              
Unproved properties                
Property, Plant, and Equipment [Line Items]                
Natural gas properties, successful efforts method: 807,036 342,314           $ 230,119
Assets under construction - natural gas equipment                
Property, Plant, and Equipment [Line Items]                
Natural gas properties, successful efforts method: $ 72,287 $ 24,441