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Consolidated Statements of Cash Flows (Parenthetical) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014
Statement of Cash Flows [Abstract] |
Capital stock purchased | $ 18,896 hbnc_PaymentsToAcquireCapitalStock

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- Definition Payments to acquire capital stock. + References No definition available. + Details
Name: | hbnc_PaymentsToAcquireCapitalStock
Namespace Prefix: | hbnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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