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Property and Equipment (Details) $ in Millions | 6 Months Ended
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Dec. 31, 2024 USD ($) $ / bbl $ / MMBTU | Dec. 31, 2023 USD ($) $ / MMBTU $ / bbl
Property and Equipment |  |
Depletion | $ 10.3 | $ 8.1
Capital expenditures | 2.2 | 2.4
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 | 2.13 | 2.63
Net price per barrel (in dollars per barrel) | $ / bbl | 22.6 | 31.57
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 | 76.32 | 78.21

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