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Note 15 - Subsequent Events (Tables) | 3 Months Ended
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Mar. 31, 2025
Notes Tables |
Schedule of Natural Gas Derivatives [Table Text Block] |
Settlement Month |  |  | Settlement Year |  |  | Type of Contract |  |  | MMBtu Per Day |  |  | Index |  |  | Price per MMBtu |
Natural Gas: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Jan – Mar |  |  |  | 2026 |  |  |  | Swap |  |  |  | 10,333 |  |  |  | HH |  |  | $ | 4.30 |
Apr – Jun |  |  |  | 2026 |  |  |  | Swap |  |  |  | 30,000 |  |  |  | HH |  |  | $ | 4.30 |
Jul – Sep |  |  |  | 2026 |  |  |  | Swap |  |  |  | 30,000 |  |  |  | HH |  |  | $ | 4.30 |
Oct – Dec |  |  |  | 2026 |  |  |  | Swap |  |  |  | 30,000 |  |  |  | HH |  |  | $ | 4.30 |
Jan – Mar |  |  |  | 2027 |  |  |  | Swap |  |  |  | 19,667 |  |  |  | HH |  |  | $ | 4.30 |

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- Definition The tabular disclosure explaining the natural gas derivative agreement. + References No definition available. + Details
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Namespace Prefix: | hpk_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration