Loss Per Share (Details) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Numerator:
Net loss after income tax attributable to Tamboran Resources Corporation stockholders	$ (6,656,997)	$ (3,282,555)	$ (26,718,517)	$ (12,498,584)
Denominator:
Weighted average number of common stock outstanding, basic (in shares)	14,536,774	10,223,449	14,336,033	9,145,388
Weighted average number of common stock outstanding, diluted (in shares)	14,536,774	10,223,449	14,336,033	9,145,388
Net loss per share, basic (in USD per share)	$ (0.458)	$ (0.321)	$ (1.864)	$ (1.367)
Net loss per share, diluted (in USD per share)	$ (0.458)	$ (0.321)	$ (1.864)	$ (1.367)