Interest and fee due income loans and leases.

No definition available.

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

- Details

Name:	hbnc_RecordedInvestmentOfLoanAbstract
Namespace Prefix:	hbnc_
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=28368275&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 30

-Section 50

-Paragraph 2

-Subparagraph (b)(1)(ii)

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

Reference 4: 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 of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts 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 310

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5074-111524

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 20

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6378556&loc=d3e10152-111534

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 4

-Subparagraph (a)(4)

-URI http://asc.fasb.org/extlink&oid=25496975&loc=d3e45377-112738

Reference 4: 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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Article 9

+ Details

Name:	us-gaap_LoansAndLeasesReceivableDeferredIncome
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 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

Loans (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011
Recorded investment of individual loan
Loan Balance	$ 1,116,242		$ 1,188,466
Interest Due	3,457		3,517
Deferred Fees/(Costs)	1,424		2,251
Recorded Investment	1,102,243		1,175,964
Allowance for loan losses	(18,880)	(19,565)	(18,270)	(18,374)	(19,412)	(18,882)
Net loans	1,097,362		1,170,196
Loan Receivable [Member]
Recorded investment of individual loan
Loan Balance	1,116,242		1,188,466
Interest Due	3,457		3,517
Deferred Fees/(Costs)	1,424		2,251
Recorded Investment	1,121,123		1,194,234
Commercial [Member]
Recorded investment of individual loan
Loan Balance	501,464		459,558
Interest Due	1,334		1,369
Deferred Fees/(Costs)	766		913
Recorded Investment	503,564		461,840
Commercial [Member] \| Owner occupied real estate [Member]
Recorded investment of individual loan
Loan Balance	159,379		162,694
Interest Due	316		503
Deferred Fees/(Costs)	210		485
Recorded Investment	159,905		163,682
Commercial [Member] \| Non owner occupied real estate [Member]
Recorded investment of individual loan
Loan Balance	233,203		201,763
Interest Due	178		467
Deferred Fees/(Costs)	446		276
Recorded Investment	233,827		202,506
Commercial [Member] \| Residential Spec Homes [Member]
Recorded investment of individual loan
Loan Balance	245		1,056
Interest Due			8
Recorded Investment	245		1,064
Commercial [Member] \| Development & spec land loans [Member]
Recorded investment of individual loan
Loan Balance	12,988		6,963
Interest Due	36		11
Deferred Fees/(Costs)	21
Recorded Investment	13,045		6,974
Commercial [Member] \| Commercial and industrial [Member]
Recorded investment of individual loan
Loan Balance	95,649		87,082
Interest Due	804		380
Deferred Fees/(Costs)	89		152
Recorded Investment	96,542		87,614
Real Estate Segment [Member]
Recorded investment of individual loan
Loan Balance	337,127		440,579
Interest Due	1,120		1,058
Deferred Fees/(Costs)	445		583
Recorded Investment	338,692		442,220
Real Estate Segment [Member] \| Residential mortgage [Member]
Recorded investment of individual loan
Loan Balance	174,032		181,450
Interest Due	631		565
Deferred Fees/(Costs)	445		583
Recorded Investment	175,108		182,598
Real Estate Segment [Member] \| Residential construction [Member]
Recorded investment of individual loan
Loan Balance	8,133		7,681
Interest Due	9		13
Recorded Investment	8,142		7,694
Real Estate Segment [Member] \| Mortgage warehouse [Member]
Recorded investment of individual loan
Loan Balance	154,962		251,448
Interest Due	480		480
Recorded Investment	155,442		251,928
Consumer Loan [Member]
Recorded investment of individual loan
Loan Balance	277,651		288,329
Interest Due	1,003		1,090
Deferred Fees/(Costs)	213		755
Recorded Investment	278,867		290,174
Consumer Loan [Member] \| Direct installment [Member]
Recorded investment of individual loan
Loan Balance	28,099		27,831
Interest Due	102		115
Deferred Fees/(Costs)	(252)		(204)
Recorded Investment	27,949		27,742
Consumer Loan [Member] \| Direct installment purchased [Member]
Recorded investment of individual loan
Loan Balance	358		429
Recorded Investment	358		429
Consumer Loan [Member] \| Indirect Installment [Member]
Recorded investment of individual loan
Loan Balance	128,647		133,481
Interest Due	343		370
Recorded Investment	128,990		133,851
Consumer Loan [Member] \| Home Equity [Member]
Recorded investment of individual loan
Loan Balance	120,547		126,588
Interest Due	558		605
Deferred Fees/(Costs)	465		959
Recorded Investment	$ 121,570		$ 128,152