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v3.22.2

Note 6 - Exploratory Well Costs (Details Textual) | 6 Months Ended
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Jun. 30, 2022
Capitalized Exploratory Well Costs, Maximum Term (Year) | 1 year

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- 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