XML 126 R108.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Commitments, Off-Balance Sheet Risk and Contingencies (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Commitments and Contingencies Disclosure [Abstract] |  |
Commitments to make loans | $ 1,300.0 | $ 917.4
Commitments under outstanding standby letters of credit | $ 12.7 | $ 12.4

X
- Definition Commitment to make loan by company. + References No definition available. + Details
Name: | hbnc_CommitmentToMakeLoanByCompany
Namespace Prefix: | hbnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Commitments under outstanding standby letters of credit. + References No definition available. + Details
Name: | hbnc_CommitmentsUnderOutstandingStandbyLettersOfCredit
Namespace Prefix: | hbnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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