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Commitments - Additional Information (Details) | 12 Months Ended
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Dec. 31, 2023 USD ($)
Commitments and Contingencies Disclosure [Abstract] |
Loan commitments maturities period (in years) | 1 year
Commitments which present an unusual risk | $ 0
Material losses anticipated | $ 0

X
- Definition Commitments presenting unusual risk. + References No definition available. + Details
Name: | hbcp_CommitmentsPresentingUnusualRisk
Namespace Prefix: | hbcp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Material losses anticipated as a result of transactions. + References No definition available. + Details
Name: | hbcp_MaterialLossesAnticipatedAsResultOfTransactions
Namespace Prefix: | hbcp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Maximum maturity period of contingent liabilities. + References No definition available. + Details
Name: | hbcp_MaximumMaturityPeriodOfContingentLiabilities
Namespace Prefix: | hbcp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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