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v3.25.1

Note 6 - Exploratory/Extension Well Costs (Details Textual) | 3 Months Ended
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Mar. 31, 2025
Capitalized Exploratory Well Costs, Maximum Term (Year) | 1 year

X
- Definition Represents the maximum term for which all capitalized exploratory well costs have been capitalized. + References No definition available. + Details
Name: | hpk_CapitalizedExploratoryWellCostsMaximumTerm
Namespace Prefix: | hpk_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration