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Other Comprehensive Income (Details Textual)	3 Months Ended
	Mar. 31, 2013
Other Comprehensive Income (Textual) [Abstract]
Federal and state income tax rate	35.00%

X

- Definition

Effective federal and state income tax rate.

+ References

No definition available.

+ Details

Name:	hbnc_EffectiveFederalAndStateIncomeTaxRate
Namespace Prefix:	hbnc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

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- Details

Name:	hbnc_OtherComprehensiveIncomeTextualAbstract
Namespace Prefix:	hbnc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration