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Condensed Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) $ in Thousands	Jun. 01, 2016 USD ($)
Kosciusko Financial Inc [Member]
Capital stock purchased	$ 22,581

X

- 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

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=hbnc_KosciuskoFinancialIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: