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Acquisition Activity - Summary of the Accretable Yield on the Loans Acquired from GSFC with Deteriorated Credit Quality (Detail) (GS Financial Corp [Member], USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
GS Financial Corp [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Balance, beginning of period | $ (839) | $ (644) |
Acquisition accretable yield |  |  | (1,169)
Accretion | 133 | 966 | 525
Net transfers from nonaccretable difference to accretable yield | (575) | (1,161) |
Balance, end of period | $ (1,281) | $ (839) | $ (644)

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- Definition Accretable yield on acquired loans. + References No definition available. + Details
Name: | hbcp_AccretableYieldOnAcquiredLoans
Namespace Prefix: | hbcp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Accretable yield on acquired loans accretion. + References No definition available. + Details
Name: | hbcp_AccretableYieldOnAcquiredLoansAccretion
Namespace Prefix: | hbcp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Accretable yield on acquired loans additions. + References No definition available. + Details
Name: | hbcp_AccretableYieldOnAcquiredLoansAdditions
Namespace Prefix: | hbcp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Accretable yield on acquired loans reclassifications to nonaccretable difference. + References No definition available. + Details
Name: | hbcp_AccretableYieldOnAcquiredLoansReclassificationsToNonaccretableDifference
Namespace Prefix: | hbcp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration