XML 67 R57.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Accounting for Certain Loans Acquired in a Transfer - Amounts of Loans (Detail) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance | $ 2,425,825 | $ 2,135,986
Carrying amount, net of allowance | 2,405,490 | 2,115,532
Loans Purchased With Evidence of Credit Deterioration [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance | 10,362 | 14,843
Carrying amount, net of allowance | 10,291 | 14,843
Loans Purchased With Evidence of Credit Deterioration [Member] | Commercial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance | 7,624 | 11,563
Loans Purchased With Evidence of Credit Deterioration [Member] | Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance | 2,703 | 3,237
Loans Purchased With Evidence of Credit Deterioration [Member] | Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance | 35 | 43
Loans Purchased With Evidence of Credit Deterioration [Member] | Heartland [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance | 762 | 1,310
Loans Purchased With Evidence of Credit Deterioration [Member] | Heartland [Member] | Commercial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance | 521 | 774
Loans Purchased With Evidence of Credit Deterioration [Member] | Heartland [Member] | Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance | 241 | 534
Loans Purchased With Evidence of Credit Deterioration [Member] | Heartland [Member] | Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance |  | 2
Loans Purchased With Evidence of Credit Deterioration [Member] | Summit [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance | 5,552 | 6,213
Loans Purchased With Evidence of Credit Deterioration [Member] | Summit [Member] | Commercial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance | 4,657 | 5,245
Loans Purchased With Evidence of Credit Deterioration [Member] | Summit [Member] | Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance | 895 | 967
Loans Purchased With Evidence of Credit Deterioration [Member] | Peoples Bancorp Inc [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance | 537 | 856
Loans Purchased With Evidence of Credit Deterioration [Member] | Peoples Bancorp Inc [Member] | Commercial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance | 398 | 692
Loans Purchased With Evidence of Credit Deterioration [Member] | Peoples Bancorp Inc [Member] | Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance | 139 | 165
Loans Purchased With Evidence of Credit Deterioration [Member] | Kosciusko Financial Inc [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance | 1,373 | 2,109
Loans Purchased With Evidence of Credit Deterioration [Member] | Kosciusko Financial Inc [Member] | Commercial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance | 962 | 1,652
Loans Purchased With Evidence of Credit Deterioration [Member] | Kosciusko Financial Inc [Member] | Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance | 411 | 457
Loans Purchased With Evidence of Credit Deterioration [Member] | LaPorte Bancorp Inc [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance | 2,138 | 4,355
Loans Purchased With Evidence of Credit Deterioration [Member] | LaPorte Bancorp Inc [Member] | Commercial [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance | 1,086 | 3,200
Loans Purchased With Evidence of Credit Deterioration [Member] | LaPorte Bancorp Inc [Member] | Real Estate [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance | 1,017 | 1,114
Loans Purchased With Evidence of Credit Deterioration [Member] | LaPorte Bancorp Inc [Member] | Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding balance | $ 35 | $ 41

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_LoansAndLeasesReceivableNetReportedAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityAxis=us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=hbnc_HeartlandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=hbnc_ScbBancorpIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=hbnc_PeoplesBancorpIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=hbnc_LaporteBancorpIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |