XML 65 R55.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Loans - Additional Information (Detail) | 6 Months Ended
--- | ---
Jun. 30, 2016
Receivables [Abstract] |
Period of loan sold | 30 days
Minimum period seldom held | 90 days
Mortgage warehousing maximum pay off period | 30 days

X
- Definition Minimum period seldom held. + References No definition available. + Details
Name: | hbnc_MinimumPeriodSeldomHeld
Namespace Prefix: | hbnc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Mortgage warehousing maximum pay off period. + References No definition available. + Details
Name: | hbnc_MortgageWarehousingMaximumPayOffPeriod
Namespace Prefix: | hbnc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period of loan sold by mortgage company. + References No definition available. + Details
Name: | hbnc_PeriodOfLoanSoldByMortgageCompany
Namespace Prefix: | hbnc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration