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Credit Quality and Allowance for Loan Losses - Summary of Accretable Yield on Loans Accounted for under ASC 310-30 (Detail) - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2017 | Sep. 30, 2016
Certain Loans Acquired in Transfer Accounted for as Debt Securities [Abstract] |  |
Balance at beginning of period | $ (11,091) | $ (16,792)
Accretion | 2,495 | 5,155
Transfers from nonaccretable difference to accretable yield | (1,208) | (879)
Balance at end of period | $ (9,804) | $ (12,516)

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

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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