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Variable Interest Entities - Narrative (Details) - USD ($)			1 Months Ended			9 Months Ended
	Jun. 03, 2024	Sep. 18, 2022	Nov. 30, 2024	Oct. 31, 2024	Jul. 31, 2024	Mar. 31, 2025	Dec. 31, 2024	Nov. 04, 2024	Nov. 01, 2024	Jun. 30, 2024	Mar. 21, 2024	Mar. 04, 2024	Nov. 09, 2022
Variable Interest Entity [Line Items]
Commitments and contingencies
Capital raise (in shares)			312,500		308,750	312,500
Issue price (in USD per share)					$ 24.00			$ 19.04	$ 19.04	$ 24.00
Daly Waters Energy, LP (“DWE”) \| Beetaloo Basin
Variable Interest Entity [Line Items]
Equity method investment, ownership percentage													38.75%
Falcon \| Beetaloo Basin
Variable Interest Entity [Line Items]
Equity method investment, ownership percentage													22.50%
Falcon \| Beetaloo Basin, SS2 Well Pad \| Maximum
Variable Interest Entity [Line Items]
Equity, ownership percentage												5.00%
Beetaloo Basin \| Tamboran (B1) Pty Ltd ("TB1")
Variable Interest Entity [Line Items]
Subsidiary, ownership percentage													77.50%
Beetaloo Basin, SS2 Well Pad \| Tamboran B2 Pty Ltd \| Minimum
Variable Interest Entity [Line Items]
Subsidiary, ownership percentage											95.00%
Variable interest entity, primary beneficiary \| Tamboran (B1) Pty Ltd ("TB1")
Variable Interest Entity [Line Items]
Joint venture, ownership percentage		50.00%
Variable interest entity, primary beneficiary \| Beetaloo Basin
Variable Interest Entity [Line Items]
Subsidiary, ownership percentage													38.75%
Variable interest entity, primary beneficiary \| Daly Waters Energy, LP (“DWE”) \| Tamboran (B1) Pty Ltd ("TB1")
Variable Interest Entity [Line Items]
Joint venture, ownership percentage	50.00%
Commitments and contingencies			$ 7,500,000				$ 7,500,000
Issuance of stock and warrants for services or claims						$ 15,000,000
Variable interest entity, primary beneficiary \| Daly Waters Infrastructure, LP (“DWI”) \| Tamboran SPCF Pty Ltd (“TR SPCF”)
Variable Interest Entity [Line Items]
Joint venture, ownership percentage				50.00%