Property and Equipment (Details) $ in Millions	9 Months Ended
Mar. 31, 2023 USD ($) $ / bbl $ / MMBTU	Mar. 31, 2022 USD ($) $ / bbl $ / MMBTU
Property and Equipment
Depletion	$ 9.6	$ 4.1
Capital expenditures	4.4	0.8
Impairment of proved property	$ 0.0	$ 0.0
Natural Gas and Natural Gas Liquids
Property and Equipment
Oil and gas prices first day average of twelve months of Henry Hub price for ceiling test \| $ / MMBTU	5.97	4.15
Net price per barrel (in dollars per barrel) \| $ / bbl	47.07	40.07
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	91.38	75.28

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Oil And Gas Prices First Day Average Of Twelve Months Of West Texas Intermediate Spot Market Price For Ceiling Test

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Cost per unit of oil and gas production.

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

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The noncash expense charged against earnings to recognize the consumption of natural resources.

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The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced.

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