Property, Plant and Equipment & Natural Gas Properties - Schedule of Natural Gas Properties (Details) - Unproved properties $ in Thousands	6 Months Ended
	Dec. 31, 2025 USD ($)
Oil and Gas, Capitalized Exploratory Well Cost [Roll Forward]
Beginning balance	$ 342,314
Capital expenditure	60,723
Restoration assets	60
Interest on finance lease liability and related depreciation of ROU assets capitalized	5,992
Disposal	(444)
Government grants	(120)
Effect of changes in foreign exchange rates	7,048
Ending balance	415,574
EP 161
Oil and Gas, Capitalized Exploratory Well Cost [Roll Forward]
Beginning balance	25,091
Capital expenditure	525
Restoration assets	0
Interest on finance lease liability and related depreciation of ROU assets capitalized	0
Disposal	0
Government grants	(66)
Effect of changes in foreign exchange rates	421
Ending balance	25,971
EP 136
Oil and Gas, Capitalized Exploratory Well Cost [Roll Forward]
Beginning balance	45,483
Capital expenditure	104
Restoration assets	0
Interest on finance lease liability and related depreciation of ROU assets capitalized	0
Disposal	(444)
Government grants	(54)
Effect of changes in foreign exchange rates	878
Ending balance	45,967
EP 76, 98 and 117
Oil and Gas, Capitalized Exploratory Well Cost [Roll Forward]
Beginning balance	271,740
Capital expenditure	60,094
Restoration assets	60
Interest on finance lease liability and related depreciation of ROU assets capitalized	5,992
Disposal	0
Government grants	0
Effect of changes in foreign exchange rates	5,749
Ending balance	$ 343,635

Tamboran Resources Corp 10-Q