Percentage Of Votes Required

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Options, Issued in Connection with Acquisitions, Exercise Price

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- Definition

Sturt Plateau Compression Facility (“SPCF”), Volume

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- Definition

Sturt Plateau Pipeline (SPP), Distance

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- Definition

Number of shares of equity interest issued or issuable by acquirer as part of consideration transferred in business combination.

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- Definition

Percentage of voting equity interest acquired in business combination.

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- Definition

Amount, after accumulated depreciation, depletion, amortization, and impairment, of oil and gas properties accounted for under successful efforts method.

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- Definition

The cash outflow for loan and debt issuance costs.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Number of shares issued under share-based payment arrangement.

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Property, Plant and Equipment & Natural Gas Properties - Narrative (Details) $ / shares in Units, $ in Thousands		3 Months Ended	6 Months Ended
	Sep. 30, 2025 USD ($) $ / shares shares	Dec. 31, 2025 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2025 TJ	Dec. 31, 2025 MMcf / d	Dec. 31, 2025 km	Jun. 30, 2025 USD ($)
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net				$ 530				$ 308
Sturt plateau compression facility (“SPCF”), volume					40	39
Sturt plateau pipeline (SPP), distance \| km							35
Falcon Acquisition
Property, Plant and Equipment [Line Items]
Number of shares transferred (in shares) \| shares	6,537,503
Total consideration transferred	$ 23,700
Falcon Acquisition \| Australia Sub
Property, Plant and Equipment [Line Items]
Percentage of ownership interest	1.90%
Number of shares transferred (in shares) \| shares	147,508
Falcon Acquisition \| Falcon \| Minimum
Property, Plant and Equipment [Line Items]
Percentage of votes required		66.66%	66.66%
Falcon Acquisition \| Employee stock option
Property, Plant and Equipment [Line Items]
Shares issued (in shares) \| shares	369,084
Exercise price (in USD per share) \| $ / shares	$ 21.94
Falcon Oil & Gas (Australia) Limited ("Falcon Australia") \| Falcon Acquisition
Property, Plant and Equipment [Line Items]
Percentage of ownership interest	98.10%
Unproved properties
Property, Plant and Equipment [Line Items]
Natural gas properties, successful efforts method:				415,574				342,314
Assets under construction - natural gas equipment
Property, Plant and Equipment [Line Items]
Natural gas properties, successful efforts method:				$ 47,794				$ 24,441
Capitalized borrowing costs		$ 1,700	$ 1,700