XML 72 R62.htm IDEA: XBRL DOCUMENT
v3.19.1

Non-performing Loans and Impaired Loans - Additional Information (Detail) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 USD ($) ConsecutivePayment | Dec. 31, 2018 USD ($)
Financing Receivable, Modifications [Line Items] |  |
Non-accrual loans | $ 15,313,000 | $ 11,548,000
Non-performing TDRs | $ 1,300,000 |
Loan delinquency period | 90 days |
Minimum period required for satisfactory performance to return loan from non-accrual to accrual status | 6 months |
Restructured loan reported in TDRs | $ 3,900,000 |
Restructured loan returned to accruing status number of Consecutive Payments of loan | ConsecutivePayment | 6 |
Specific reserves allocated to troubled debt restructuring | $ 20,000 |
Number TDRs returned to accrual status | ConsecutivePayment | 315,000 |
Performing Financing Receivable [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Restructured loan reported in TDRs | $ 2,500,000 |
Loans Purchased With Evidence of Credit Deterioration [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Non-accrual loans | 3,100,000 |
Non-performing TDRs | $ 629,000,000,000 |
Minimum [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Loan delinquency period | 90 days |
Delay or shortfall in payments of loan | 30 days |
Loans with an aggregate credit exposure | $ 1,000,000 |
Loans classified as TDR after a period | 90 days |
Minimum [Member] | Good Pass [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of consecutive years of profit Unaudited Financial Information for Good Pass Rating | 5 years |
Number of years of Satisfactory Relationship with bank for Good Pass Rating | 5 years |
Minimum [Member] | Satisfactory Pass [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of consecutive years of profit for Good Pass Rating | 3 years |
Maximum [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Loans with an aggregate credit exposure | $ 3,500,000 |
Loans classified as TDR after a period | 120 days |
Minimum number of years of Satisfactory Repayment required for Satisfactory Pass Rating | 2 years |

X
- Definition Accrual status troubled debt restructuring number of contracts. + References No definition available. + Details
Name: | hbnc_AccrualStatusTroubledDebtRestructuringNumberOfContracts
Namespace Prefix: | hbnc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Credit quality classification consecutive profit period loans supported financial information. + References No definition available. + Details
Name: | hbnc_CreditQualityClassificationConsecutiveProfitPeriodLoansSupportedFinancialInformation
Namespace Prefix: | hbnc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Credit quality classification consecutive profit period required. + References No definition available. + Details
Name: | hbnc_CreditQualityClassificationConsecutiveProfitPeriodRequired
Namespace Prefix: | hbnc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Credit quality classification period satisfactory relationship with bank. + References No definition available. + Details
Name: | hbnc_CreditQualityClassificationPeriodSatisfactoryRelationshipWithBank
Namespace Prefix: | hbnc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Credit quality classification period satisfactory repayment. + References No definition available. + Details
Name: | hbnc_CreditQualityClassificationPeriodSatisfactoryRepayment
Namespace Prefix: | hbnc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Delay Or Shortfall In Payments Of Loan Period + References No definition available. + Details
Name: | hbnc_DelayOrShortfallInPaymentsOfLoanPeriod
Namespace Prefix: | hbnc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing receivable modifications trouble debt restructuring recorded as non performing loan. + References No definition available. + Details
Name: | hbnc_FinancingReceivableModificationsTroubleDebtRestructuringRecordedAsNonPerformingLoan
Namespace Prefix: | hbnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Loan receivable period for delinquency status. + References No definition available. + Details
Name: | hbnc_LoanReceivablePeriodForDelinquencyStatus
Namespace Prefix: | hbnc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loans with an aggregate credit exposure. + References No definition available. + Details
Name: | hbnc_LoansWithAggregateCreditExposure
Namespace Prefix: | hbnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Minimum require period for satisfactory performance. + References No definition available. + Details
Name: | hbnc_MinimumRequirePeriodForSatisfactoryPerformance
Namespace Prefix: | hbnc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of consecutive payments of loan restructured. + References No definition available. + Details
Name: | hbnc_NumberOfConsecutivePaymentsOfLoanRestructured
Namespace Prefix: | hbnc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Period for loans moved to non accrual status. + References No definition available. + Details
Name: | hbnc_PeriodForLoansMovedToNonAccrualStatus
Namespace Prefix: | hbnc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Specific reserves allocated to troubled debt restructuring. + References No definition available. + Details
Name: | hbnc_SpecificReservesAllocatedToTroubledDebtRestructuring
Namespace Prefix: | hbnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_FinancingReceivableModificationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_PerformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditLossStatusAxis=us-gaap_FinancialAssetAcquiredWithCreditDeteriorationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=hbnc_GoodPassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=hbnc_SatisfactoryPassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |