Subsequent Events (Details)		1 Months Ended		3 Months Ended					9 Months Ended
	May 12, 2025 USD ($) license $ / shares $ / a shares acre ft	Nov. 30, 2024 shares	Jul. 31, 2024 shares	Dec. 31, 2024 USD ($)	Sep. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Sep. 30, 2023 USD ($)	Mar. 31, 2025 $ / shares shares	Jun. 30, 2024 $ / shares	Nov. 09, 2022
Subsequent Event [Line Items]
Capital raise (in shares) | shares		312,500	308,750						312,500
Common stock, par value per share (in USD per share) | $ / shares									$ 0.001	$ 0.001
Issuance of common stock, net of issuance cost				$ 5,950,000	$ 6,930,850	$ 11,030,709	$ 24,955,627	$ 34,398,413
Beetaloo Basin | Variable interest entity, primary beneficiary
Subsequent Event [Line Items]
Subsidiary, ownership percentage											38.75%
Daly Waters Energy, LP (“DWE”) | Beetaloo Basin
Subsequent Event [Line Items]
Equity method investment, ownership percentage											38.75%
Falcon | Beetaloo Basin
Subsequent Event [Line Items]
Equity method investment, ownership percentage											22.50%
Subsequent event
Subsequent Event [Line Items]
Capital raise (in shares) | shares	3,100,000
Common stock, par value per share (in USD per share) | $ / shares	$ 0.001
Issuance of common stock, net of issuance cost	$ 55,000,000
Obligated period to maintain the effectiveness of the registration statement	3 years
Asset sale agreement, number of areas sold | license	2
Subsequent event | Beetaloo Basin
Subsequent Event [Line Items]
Net prospective, development-ready acres retained (in acres) | acre ft	1,900,000
Subsequent event | Beetaloo Basin, Phase 2 Development Area
Subsequent Event [Line Items]
Phase two development area, gross acres reserved (in acres) | acre ft	406,693
Subsidiary, ownership percentage	58.12%
Subsequent event | Beetaloo Basin, Pilot Area | Variable interest entity, primary beneficiary
Subsequent Event [Line Items]
Subsidiary, ownership percentage	47.50%
Subsequent event | Beetaloo Basin, Ex-EP 76, 98 and 117
Subsequent Event [Line Items]
Subsidiary, ownership percentage	77.50%
Subsequent event | Daly Waters Energy, LP (“DWE”) | Beetaloo Basin, Phase 2 Development Area
Subsequent Event [Line Items]
Equity method investment, ownership percentage	19.38%
Subsequent event | Daly Waters Energy, LP (“DWE”) | Beetaloo Basin, Pilot Area
Subsequent Event [Line Items]
Equity method investment, ownership percentage	47.50%
Subsequent event | Tamboran (West) Pty Ltd (“TR West”)
Subsequent Event [Line Items]
Percentage interest in applicable retention licenses	77.50%
Subsequent event | Tamboran Resources Corporation | Beetaloo Basin, Phase 2 Development Area
Subsequent Event [Line Items]
Phase two development area, gross acres reserved (in acres) | acre ft	236,370
Subsequent event | Falcon | Beetaloo Basin, Phase 2 Development Area
Subsequent Event [Line Items]
Equity method investment, ownership percentage	22.50%
Subsequent event | Falcon | Beetaloo Basin, Pilot Area
Subsequent Event [Line Items]
Equity, ownership percentage	5.00%
Subsequent event | Falcon | Beetaloo Basin
Subsequent Event [Line Items]
Equity method investment, ownership percentage	22.50%
Subsequent event | Tamboran (West) Pty Ltd (“TR West”) | Daly Waters Energy, LP (“DWE”)
Subsequent Event [Line Items]
Asset acquisition, percentage of voting interests acquired	12.50%
Asset acquisition, consideration transferred	$ 15,000,000
Subsequent event | Daly Waters Energy, LP (“DWE”)
Subsequent Event [Line Items]
Asset sale agreement, acres of non-operating and non-controlling interest | acre ft	100,000
Asset sale agreement, consideration transferred	$ 15,000,000
Asset sale agreement, consideration transferred per acre (in USD per acre) | $ / a	150
Subsequent event | First tranche
Subsequent Event [Line Items]
Issuance of common stock, net of issuance cost	$ 44,000,000
Subsequent event | Second tranche
Subsequent Event [Line Items]
Issuance of common stock, net of issuance cost	$ 11,000,000