XML 54 R44.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Acquisitions - Additional Information (Detail) - USD ($) |  |  |  |  |  | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 17, 2017 | Sep. 01, 2017 | Feb. 03, 2017 | Jul. 18, 2016 | Jun. 01, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Aug. 31, 2017 | Dec. 31, 2016 | Nov. 07, 2016 | Aug. 31, 2016
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition of goodwill |  |  |  |  |  |  | $ 93,750,000 |  |  | $ 76,941,000 |  |
Common stock, shares outstanding | [1] |  |  |  |  |  | 23,325,459 |  |  | 22,171,596 |  |
Kosciusko Financial Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Exchange ratio per share |  |  |  |  |  | 451.83% |  |  |  |  |  |
Cash paid for each share |  |  |  |  |  | $ 81.75 |  |  |  |  |  |
Business combination stock transferred, percentage of consideration |  |  |  |  |  | 65.00% |  |  |  |  |  |
Business combination cash transferred, percentage of consideration |  |  |  |  |  | 35.00% |  |  |  |  |  |
Common stock issued |  |  |  |  |  | 873,430 |  |  |  |  |  |
Market closing price per share |  |  |  |  |  | $ 16.57 |  |  |  |  |  |
Estimated transaction value |  |  |  |  |  | $ 23,000,000 |  |  |  |  |  |
Costs related to the acquisition |  |  |  |  |  | 1,600,000 |  |  |  |  |  |
Acquisition of goodwill |  |  |  |  |  | 6,443,000 |  | $ 6,400,000 |  |  |  | $ 6,900,000
Net intangible assets acquired |  |  |  |  |  | 526,000 |  |  |  |  |  |
Purchase price of the business assets, portion deductible |  |  |  |  |  | 0 |  |  |  |  |  |
Core deposit intangible amortization period |  |  |  |  |  |  | 10 years |  |  |  |  |
Total estimated purchase price |  |  |  |  |  | 22,983,000 |  |  |  |  |  |
Payments received as cash consideration |  |  |  |  |  |  |  | (30,437,000) |  |  |  |
Reported total assets of acquiree |  |  |  |  |  | 155,873,000 |  |  |  |  |  |
Total deposits held by acquiree |  |  |  |  |  | $ 132,890,000 |  |  |  |  |  |
Kosciusko Financial Inc [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of shares owned |  |  |  |  |  | 100 |  |  |  |  |  |
Share of common stock outstanding per share |  |  |  |  |  | $ 81.75 |  |  |  |  |  |
LaPorte Bancorp Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Exchange ratio per share |  |  |  |  | 94.35% |  |  |  |  |  |  |
Cash paid for each share |  |  |  |  | $ 17.50 |  |  |  |  |  |  |
Business combination stock transferred, percentage of consideration |  |  |  |  | 65.00% |  |  |  |  |  |  |
Business combination cash transferred, percentage of consideration |  |  |  |  | 35.00% |  |  |  |  |  |  |
Common stock issued |  |  |  |  | 3,421,488 |  |  |  |  |  |  |
Market closing price per share |  |  |  |  | $ 18.36 |  |  |  |  |  |  |
Estimated transaction value |  |  |  |  | $ 98,600,000 |  |  |  |  |  |  |
Costs related to the acquisition |  |  |  |  | 4,000,000 |  |  |  |  |  |  |
Acquisition of goodwill |  |  |  |  | 20,993,000 |  |  |  |  |  |  |
Net intangible assets acquired |  |  |  |  | 2,514,000 |  |  |  |  |  |  |
Purchase price of the business assets, portion deductible |  |  |  |  | 0 |  |  |  |  |  |  |
Core deposit intangible amortization period |  |  |  |  |  |  | 10 years |  |  |  |  |
Total estimated purchase price |  |  |  |  | 98,634,000 |  |  |  |  |  |  |
Goodwill adjustment |  |  |  |  |  |  | $ 703,000 |  |  |  |  |
Payments received as cash consideration |  |  |  |  |  |  |  | $ (116,521,000) |  |  |  |
Reported total assets of acquiree |  |  |  |  | 549,537,000 |  |  |  |  |  |  |
Total deposits held by acquiree |  |  |  |  | $ 450,903,000 |  |  |  |  |  |  |
Central National Bank & Trust [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition of goodwill |  |  |  |  |  |  |  |  |  |  | $ 609,000 |
Net intangible assets acquired |  |  |  |  |  |  |  |  |  |  | 190,000 |
Purchase price of the business assets, portion deductible |  |  |  |  |  |  |  |  |  |  | 0 |
Core deposit intangible amortization period |  |  |  |  |  |  | 10 years |  |  |  |  |
Total estimated purchase price |  |  |  |  |  |  |  |  |  |  | 5,311,000 |
Performing portion of the loan portfolio acquired |  |  |  |  |  |  |  |  |  |  | 10,800,000 |
Estimated fair value of performing portion of the loan portfolio |  |  |  |  |  |  |  |  |  |  | 10,500,000 |
Reported total assets of acquiree |  |  |  |  |  |  |  |  |  |  | 56,219,000 |
Total deposits held by acquiree |  |  |  |  |  |  |  |  |  |  | $ 50,908,000 |
First Farmers Bank & Trust Co [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Acquisition of goodwill |  |  |  | $ 0 |  |  |  |  |  |  |  |
Net intangible assets acquired |  |  |  | $ 463,000 |  |  |  |  |  |  |  |
Core deposit intangible amortization period |  |  |  | 10 years |  |  |  |  |  |  |  |
Payments received as cash consideration |  |  |  | $ 11,000,000 |  |  |  |  |  |  |  |
Business acquisition, loans assumed |  |  |  | $ 3,400,000 |  |  |  |  |  |  |  |
Premium on deposits paid |  |  |  | 3.00% |  |  |  |  |  |  |  |
Business acquisition, customer deposit balances |  |  |  | $ 14,800,000 |  |  |  |  |  |  |  |
Lafayette Community Bancorp [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Exchange ratio per share |  |  | 58.78% |  |  |  |  |  |  |  |  |
Cash paid for each share |  |  | $ 1.73 |  |  |  |  |  |  |  |  |
Common stock issued |  |  | 1,091,259 |  |  |  |  |  |  |  |  |
Market closing price per share |  |  |  |  |  |  |  |  | $ 26.17 |  |  |
Estimated transaction value |  |  |  |  |  |  |  |  | $ 34,500,000 |  |  |
Costs related to the acquisition |  |  | $ 1,500,000 |  |  |  |  |  |  |  |  |
Acquisition of goodwill |  |  | 16,106,000 |  |  |  |  |  |  |  |  |
Net intangible assets acquired |  |  | 777,000 |  |  |  |  |  |  |  |  |
Purchase price of the business assets, portion deductible |  |  | 0 |  |  |  |  |  |  |  |  |
Core deposit intangible amortization period |  |  |  |  |  |  | 10 years |  |  |  |  |
Total estimated purchase price |  |  | $ 34,529,000 |  |  |  |  |  |  |  |  |
Payments received as cash consideration |  |  |  |  |  |  | $ (20,425,000) |  |  |  |  |
Common stock, shares outstanding |  |  | 1,856,679 |  |  |  |  |  |  |  |  |
Ownership interest percentage |  |  | 5.00% |  |  |  |  |  |  |  |  |
Loan portfolio acquired |  |  | $ 134,400,000 |  |  |  |  |  |  |  |  |
Discount on loan portfolio acquired |  |  | 3,400,000 |  |  |  |  |  |  |  |  |
Reported total assets of acquiree |  |  | 186,659,000 |  |  |  |  |  |  |  |  |
Total deposits held by acquiree |  |  | $ 152,130,000 |  |  |  |  |  |  |  |  |
Lafayette Community Bancorp [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of shares owned |  |  | 100 |  |  |  |  |  |  |  |  |
Share of common stock outstanding per share |  |  | $ 17.25 |  |  |  |  |  |  |  |  |
Horizon [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Reported total assets of acquiree |  |  |  |  |  |  | 3,900,000,000 |  |  |  |  |
Total deposits held by acquiree |  |  |  |  |  |  | 2,900,000,000 |  |  |  |  |
Total net loans of acquiree |  |  |  |  |  |  | $ 2,700,000,000 |  |  |  |  |
Wolverine Bancorp Inc [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Exchange ratio per share |  | 101.52% |  |  |  |  |  |  |  |  |  |
Cash paid for each share |  | $ 14.00 |  |  |  |  |  |  |  |  |  |
Common stock issued |  | 2,161,610 |  |  |  |  |  |  |  |  |  |
Market closing price per share |  | $ 29.06 |  |  |  |  |  |  |  |  |  |
Estimated transaction value |  | $ 95,100,000 |  |  |  |  |  |  |  |  |  |
Common stock, shares outstanding |  | 2,129,331 |  |  |  |  |  |  |  |  |  |
Reported total assets of acquiree |  | $ 363,200,000 |  |  |  |  |  |  |  |  |  |
Total deposits held by acquiree |  | 256,500,000 |  |  |  |  |  |  |  |  |  |
Total net loans of acquiree |  | $ 308,100,000 |  |  |  |  |  |  |  |  |  |
[1] | Adjusted for 3:2 stock split on November 14, 2016.

X
- Definition Business acquisition cost of acquired entity estimated purchase price. + References No definition available. + Details
Name: | hbnc_BusinessAcquisitionCostOfAcquiredEntityEstimatedPurchasePrice
Namespace Prefix: | hbnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Business acquisition number of shares owned. + References No definition available. + Details
Name: | hbnc_BusinessAcquisitionNumberOfSharesOwned
Namespace Prefix: | hbnc_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loan portfolio acquired. + References No definition available. + Details
Name: | hbnc_BusinessAcquisitionPurchasePriceAllocationLoanPortfolioAmount
Namespace Prefix: | hbnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Business combination cash transferred, percentage of consideration. + References No definition available. + Details
Name: | hbnc_BusinessCombinationCashTransferredPercentageOfConsideration
Namespace Prefix: | hbnc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of the deductible portion of the purchase price of a business that was assigned to the acquired business assets. + References No definition available. + Details
Name: | hbnc_BusinessCombinationDeductiblePortionOfPurchasePriceAssignedToBusinessAssets
Namespace Prefix: | hbnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Business combination merger consideration price per share. + References No definition available. + Details
Name: | hbnc_BusinessCombinationMergerConsiderationPricePerShare
Namespace Prefix: | hbnc_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Customer Deposits. + References No definition available. + Details
Name: | hbnc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCustomerDeposits
Namespace Prefix: | hbnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Business combination recognized identifiable assets acquired and liabilities assumed loans. + References No definition available. + Details
Name: | hbnc_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoans
Namespace Prefix: | hbnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Business combination stock transferred, percentage of consideration. + References No definition available. + Details
Name: | hbnc_BusinessCombinationStockTransferredPercentageOfConsideration
Namespace Prefix: | hbnc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Cash paid per share, business combination. + References No definition available. + Details
Name: | hbnc_CashPaidPerShareBusinessCombination
Namespace Prefix: | hbnc_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Discount on loan portfolio acquired. + References No definition available. + Details
Name: | hbnc_DiscountOnLoanPortfolioAcquired
Namespace Prefix: | hbnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Estimated fair value of performing portion of the loan portfolio. + References No definition available. + Details
Name: | hbnc_EstimatedFairValueOfPerformingPortionOfLoanPortfolio
Namespace Prefix: | hbnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Exchange ratio per share. + References No definition available. + Details
Name: | hbnc_ExchangeRatioPerShare
Namespace Prefix: | hbnc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of deposit premium paid. + References No definition available. + Details
Name: | hbnc_PercentageOfDepositPremiumPaid
Namespace Prefix: | hbnc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Performing portion of the loan portfolio acquired. + References No definition available. + Details
Name: | hbnc_PerformingPortionOfLoanPortfolioAcquired
Namespace Prefix: | hbnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of shares of equity interests issued or issuable to acquire entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(4) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
Name: | us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionSharePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460 + Details
Name: | us-gaap_BusinessCombinationAcquisitionRelatedCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of assets acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of financial assets (as defined) recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=84160947&loc=d3e2207-128464 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -URI http://asc.fasb.org/topic&trid=2134543 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFinancialAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of liabilities assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percentage of equity in the acquiree held by the acquirer immediately before the acquisition date in a business combination. + References No definition available. + Details
Name: | us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644 + Details
Name: | us-gaap_CommonStockSharesOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e961-128460 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillPurchaseAccountingAdjustments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The net cash outflow or inflow associated with the acquisition or sale of a business segment during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
Name: | us-gaap_PaymentsForProceedsFromBusinessesAndInterestInAffiliates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
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: |

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

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

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

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

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

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |