XML 61 R51.htm IDEA: XBRL DOCUMENT v3.10.0.1

Securities - Gross Unrealized Losses and Fair Value of Company's Investments (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Debt Securities, Available-for-sale [Line Items]
Fair Value less than 12 months	$ 357,355	$ 229,768
Fair value more than 12 months	194,073	193,869
Total fair value	551,428	423,637
Unrealized losses less than 12 months	(9,431)	(4,554)
Unrealized losses more than 12 months	(8,755)	(4,974)
Total unrealized losses	(18,186)	(9,528)
U.S. Treasury and Federal Agencies [Member]
Debt Securities, Available-for-sale [Line Items]
Fair Value less than 12 months	20,387	15,882
Fair value more than 12 months	3,832	2,870
Total fair value	24,219	18,752
Unrealized losses less than 12 months	(352)	(180)
Unrealized losses more than 12 months	(83)	(45)
Total unrealized losses	(435)	(225)
State and Municipal [Member]
Debt Securities, Available-for-sale [Line Items]
Fair Value less than 12 months	149,412	54,312
Fair value more than 12 months	37,546	30,691
Total fair value	186,958	85,003
Unrealized losses less than 12 months	(4,495)	(2,758)
Unrealized losses more than 12 months	(1,865)	(844)
Total unrealized losses	(6,360)	(3,602)
Federal Agency Collateralized Mortgage Obligations [Member]
Debt Securities, Available-for-sale [Line Items]
Fair Value less than 12 months	67,216	54,006
Fair value more than 12 months	67,923	73,462
Total fair value	135,139	127,468
Unrealized losses less than 12 months	(1,507)	(589)
Unrealized losses more than 12 months	(3,010)	(2,031)
Total unrealized losses	(4,517)	(2,620)
Federal Agency Mortgage-backed Pools [Member]
Debt Securities, Available-for-sale [Line Items]
Fair Value less than 12 months	119,369	103,926
Fair value more than 12 months	84,772	86,846
Total fair value	204,141	190,772
Unrealized losses less than 12 months	(3,073)	(1,019)
Unrealized losses more than 12 months	(3,797)	(2,054)
Total unrealized losses	(6,870)	(3,073)
Private Labeled Mortgage-backed Pools [Member]
Debt Securities, Available-for-sale [Line Items]
Fair Value less than 12 months		1,642
Total fair value		1,642
Unrealized losses less than 12 months		(8)
Total unrealized losses		$ (8)
Corporate Notes [Member]
Debt Securities, Available-for-sale [Line Items]
Fair Value less than 12 months	971
Total fair value	971
Unrealized losses less than 12 months	(4)
Total unrealized losses	$ (4)

X

- Definition

Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer.

+ References

No definition available.

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563

+ Details

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

X

- Definition

This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.

+ References

No definition available.

+ Details

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

X

- Definition

Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months.

+ References

No definition available.

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months.

+ References

No definition available.

+ Details

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

X

- Definition

This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer.

+ References

No definition available.

+ Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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