Deferred fees costs loans and leases

No definition available.

Name:	hbnc_DeferredFeesCostsLoansAndLeases
Namespace Prefix:	hbnc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Interest and fee due income loans and leases.

+ References

No definition available.

+ Details

Name:	hbnc_InterestAndFeeDueIncomeLoansAndLeases
Namespace Prefix:	hbnc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

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

- Definition

Financing receivables that are current.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7A

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953401-111524

+ Details

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

- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for 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 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(d))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph d

-Article 9

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (b)(1)(ii)

-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section L

-Subsection 1

+ Details

Name:	us-gaap_LoansAndLeasesReceivableAllowance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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=28367877&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

- 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. Includes loans held for sale. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph a

-Article 9

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(a))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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

- Definition

Amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. Excludes amounts related to receivables held-for-sale.

+ References

+ Details

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

- Details

Name:	us-gaap_FinancialInstrumentAxis=hbnc_CommercialAndIndustrialMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_FinancialInstrumentAxis=hbnc_DirectInstallmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=hbnc_DirectInstallmentPurchasedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=hbnc_IndirectInstallmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=hbnc_MortgageWarehousingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=hbnc_NonOwnerOccupiedRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_FinancialInstrumentAxis=hbnc_ResidentialConstructionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=hbnc_ResidentialSpecHomesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_HomeEquityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_ResidentialMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

Loans - Recorded Investment of Individual Loan Categories (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance	$ 1,377,472us-gaap_NotesReceivableGross	$ 1,067,935us-gaap_NotesReceivableGross
Net loans	1,360,971	1,051,943
Interest Due	3,832	3,186
Deferred Fees / (Costs)	1,082hbnc_DeferredFeesCostsLoansAndLeases	893hbnc_DeferredFeesCostsLoansAndLeases
Recorded Investment	1,382,386	1,072,014
Recorded Investment	1,365,885us-gaap_LoansReceivableNet	1,056,022us-gaap_LoansReceivableNet
Allowance for loan losses	(16,501)	(15,992)	(18,270)	(18,882)
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance	673,059	504,584
Interest Due	1,583	1,161
Deferred Fees / (Costs)	1,255	605
Recorded Investment	675,897	506,350
Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance	383,182	283,732
Interest Due	1,238	1,072
Deferred Fees / (Costs)	599	382
Recorded Investment	385,019	285,186
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance	321,231	279,619
Interest Due	1,011	953
Deferred Fees / (Costs)	(772)	(94)
Recorded Investment	321,470	280,478
Owner Occupied Real Estate [Member] \| Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance	228,380	156,262
Interest Due	385	257
Deferred Fees / (Costs)	680	207
Recorded Investment	229,445	156,726
Non Owner Occupied Real Estate [Member] \| Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance	297,299	224,713
Interest Due	309	105
Deferred Fees / (Costs)	506	299
Recorded Investment	298,114	225,117
Residential Spec Homes [Member] \| Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance	2,027	400
Interest Due	2
Recorded Investment	2,029	400
Development & Spec Land Loans [Member] \| Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance	12,097	21,289
Interest Due	28	62
Deferred Fees / (Costs)	30	42
Recorded Investment	12,155	21,393
Commercial and Industrial [Member] \| Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance	133,256	101,920
Interest Due	859	737
Deferred Fees / (Costs)	39	57
Recorded Investment	134,154	102,714
Residential Mortgage [Member] \| Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance	242,521	176,068
Interest Due	737	578
Deferred Fees / (Costs)	599	382
Recorded Investment	243,857	177,028
Residential Construction [Member] \| Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance	11,505	9,508
Interest Due	21	14
Recorded Investment	11,526	9,522
Mortgage Warehousing [Member] \| Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance	129,156	98,156
Interest Due	480	480
Recorded Investment	129,636	98,636
Direct Installment [Member] \| Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance	40,137	29,983
Interest Due	129	104
Deferred Fees / (Costs)	(375)	(281)
Recorded Investment	39,891	29,806
Direct Installment Purchased [Member] \| Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance	219	294
Recorded Investment	219	294
Indirect Installment [Member] \| Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance	141,868	131,384
Interest Due	314	320
Deferred Fees / (Costs)	(163)
Recorded Investment	142,019	131,704
Home Equity [Member] \| Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan Balance	139,007	117,958
Interest Due	568	529
Deferred Fees / (Costs)	(234)	187
Recorded Investment	$ 139,341	$ 118,674