Financing Receivable, Modified, Weighted Average Payment Deferral, Period

No definition available.

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Namespace Prefix:	hbnc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amortized cost excluding accrued interest, of financing receivable 12 months after modification for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A

Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 34
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-34

Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 33
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-33

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

+ Details

Name:	us-gaap_FinancingReceivableModificationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of increase in weighted-average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

Name:	us-gaap_FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification
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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

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

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetNotPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=hbnc_FinancialAsset30To89DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
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Data Type:	na
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- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=hbnc_OwnerOccupiedRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LoanRestructuringModificationAxis=us-gaap_PaymentDeferralMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=hbnc_NonOwnerOccupiedRealEstateMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=hbnc_DevelopmentAndSpecLandLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=hbnc_CommercialAndIndustrialLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityAndInterestRateReductionMember
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Loans - Modified Loans Past Due (Details) - Commercial - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 8,907	$ 11,110	$ 8,907	$ 11,110
Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	7,082	11,110	7,082	11,110
30-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0	0	0
90 Days or Greater Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	1,825	0	1,825	0
Owner occupied real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 5,081	$ 5,302	$ 5,081	$ 5,302
Owner occupied real estate \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted Average Term Extension (In Months)	12 months	6 months	12 months	6 months
Owner occupied real estate \| Other-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted Average Payment Delay (In Months)	0 months		20 months	6 months
Owner occupied real estate \| Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 3,256	$ 5,302	$ 3,256	$ 5,302
Owner occupied real estate \| 30-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0	0	0
Owner occupied real estate \| 90 Days or Greater Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	1,825	0	1,825	0
Non–owner occupied real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	399	421	$ 399	$ 421
Non–owner occupied real estate \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted Average Term Extension (In Months)			6 months	14 months
Non–owner occupied real estate \| Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	399	421	$ 399	$ 421
Non–owner occupied real estate \| 30-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0	0	0
Non–owner occupied real estate \| 90 Days or Greater Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0	0	0
Development & spec land
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	519	523	$ 519	$ 523
Development & spec land \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted Average Term Extension (In Months)			6 months	18 months
Development & spec land \| Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	519	523	$ 519	$ 523
Development & spec land \| 30-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0	0	0
Development & spec land \| 90 Days or Greater Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0	0	0
Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 2,908	$ 4,864	$ 2,908	$ 4,864
Commercial and industrial \| Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted Average Term Extension (In Months)		36 months
Weighted Average Payment Delay (In Months)				36 months
Commercial and industrial \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted Average Term Extension (In Months)	14 months	10 months	12 months	10 months
Commercial and industrial \| Other-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Weighted Average Payment Delay (In Months)				6 months
Commercial and industrial \| Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 2,908	$ 4,864	$ 2,908	$ 4,864
Commercial and industrial \| 30-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0	0	0
Commercial and industrial \| 90 Days or Greater Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 0	$ 0	$ 0	$ 0