CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Total Tamboran Resources stockholders’ equity	Common stock	Additional paid-in capital	Accumulated other comprehensive income (loss)	Accumulated deficit	Noncontrolling interest
Beginning balance at Jun. 30, 2025	$ 389,451	$ 287,721	$ 17	$ 464,407	$ (9,421)	$ (167,281)	$ 101,730
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, net of issuance cost	13,128	13,128	1	13,127
Contributions from noncontrolling interest holders	19,490						19,490
Stock-based compensation	621	621		621
Foreign exchange translation	1,738	1,861			1,861		(124)
Net loss	(9,061)	(8,182)				(8,182)	(879)
Ending balance at Sep. 30, 2025	415,368	295,149	18	478,155	(7,560)	(175,464)	120,218
Beginning balance at Jun. 30, 2026	967,698	796,224	35	990,356	(812)	(193,355)	171,474
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock, net of issuance cost	2,075	2,075		2,075
Contributions from noncontrolling interest holders	34,582						34,582
Stock-based compensation	3,065	3,065		3,065
Accretion of redeemable noncontrolling interest to redemption value	(207)	(207)		(207)
Foreign exchange translation	12,364	11,180			11,180		1,184
Net loss	(12,534)	(12,116)				(12,116)	(417)
Ending balance at Sep. 30, 2026	$ 1,007,044	$ 800,221	$ 35	$ 995,289	$ 10,368	$ (205,471)	$ 206,823