Property and Equipment (Details) $ in Thousands		3 Months Ended
Aug. 04, 2025 USD ($) a	Sep. 30, 2025 USD ($) a $ / bbl $ / MMBTU	Sep. 30, 2024 USD ($) $ / bbl $ / MMBTU
Property and Equipment
Property costs not subject to amortization		$ 5,812
Depletion		5,600	$ 5,300
Capital expenditures		1,900	1,000
Impairment of proved property		$ 0	$ 0
Natural Gas
Property and Equipment
Oil and gas prices first day average of twelve months of Henry Hub price for ceiling test \| $ / MMBTU		3.11	2.21
Net price per barrel (in dollars per barrel) \| $ / bbl		23.89	23.63
Crude oil
Property and Equipment
Oil and gas prices first day average of twelve months of West Texas Intermediate spot market price for ceiling test \| $ / bbl		68.07	79.4
Minerals acquisition
Property and Equipment
Property costs not subject to amortization	$ 5,800
Net royalty acres \| a	5,500	3,600

Area representing net royalty acres under mineral and royalty interests.

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Oil and gas prices first day average of twelve months of Henry Hub price for ceiling test

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Cost per unit of oil and gas production.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Regulation S-K (SK)
-Number 229
-Section 1204
-Paragraph b
-Subparagraph (2)
-Publisher SEC

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Future cash outflow to pay for purchases of fixed assets that have occurred.

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Amount of capitalized cost excluded from amortization for investment in unproved property and development project for oil- and gas-producing activities accounted for under full cost method. Includes, but is not limited to, acquisition, exploration, and development costs for development project and capitalized interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 932
-SubTopic 360
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Amount of impairment loss for oil and gas properties with proved and unproved reserves in oil- and gas-producing activities.

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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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