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Income Tax - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013
State Tax Jurisdiction [Member] |
Income Taxes [Line Items] |
Operating loss carry forwards | $ 6.5
Federal Jurisdiction [Member] |
Income Taxes [Line Items] |
Operating loss carry forwards | $ 9.2
Operating loss carry forward expiration year | 2029
Minimum [Member] | State Tax Jurisdiction [Member] |
Income Taxes [Line Items] |
Operating loss carry forward expiration year | 2023

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- Details
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Namespace Prefix: | hbnc_
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Balance Type: | na
Period Type: | duration

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- Definition Operating loss carryforward expiration year. + References No definition available. + Details
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Namespace Prefix: | hbnc_
Data Type: | xbrli:gYearItemType
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
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