XML 55 R45.htm IDEA: XBRL DOCUMENT
v3.25.2

Securities - Schedule of Credit Quality Indicators of Held-To-Maturity Securities at Amortized Cost (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | $ 1,819,229 | $ 1,867,848
U.S. Treasury, federal agencies, and government sponsored agencies |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 275,720 | 278,383
State and municipal |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 1,023,861 | 1,048,862
U.S. government agency mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 335,333 | 349,726
Private labeled mortgage-backed pools |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 27,816 | 29,278
Corporate notes |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 156,499 | 161,599
AAA |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 611,655 | 652,633
AAA | U.S. Treasury, federal agencies, and government sponsored agencies |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
AAA | State and municipal |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 248,506 | 273,629
AAA | U.S. government agency mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 335,333 | 349,726
AAA | Private labeled mortgage-backed pools |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 27,816 | 29,278
AAA | Corporate notes |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
AA |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 977,711 | 982,987
AA | U.S. Treasury, federal agencies, and government sponsored agencies |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 275,720 | 278,383
AA | State and municipal |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 695,832 | 698,428
AA | U.S. government agency mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
AA | Private labeled mortgage-backed pools |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
AA | Corporate notes |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 6,159 | 6,176
A |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 86,539 | 77,628
A | U.S. Treasury, federal agencies, and government sponsored agencies |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
A | State and municipal |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 75,133 | 66,079
A | U.S. government agency mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
A | Private labeled mortgage-backed pools |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
A | Corporate notes |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 11,406 | 11,549
BBB |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 79,665 | 86,329
BBB | U.S. Treasury, federal agencies, and government sponsored agencies |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
BBB | State and municipal |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 4,390 | 10,726
BBB | U.S. government agency mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
BBB | Private labeled mortgage-backed pools |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
BBB | Corporate notes |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 75,275 | 75,603
BB |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 4,543
BB | U.S. Treasury, federal agencies, and government sponsored agencies |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
BB | State and municipal |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
BB | U.S. government agency mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
BB | Private labeled mortgage-backed pools |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
BB | Corporate notes |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 4,543
Not Rated |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 63,659 | 63,728
Not Rated | U.S. Treasury, federal agencies, and government sponsored agencies |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
Not Rated | State and municipal |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
Not Rated | U.S. government agency mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
Not Rated | Private labeled mortgage-backed pools |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
Not Rated | Corporate notes |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | $ 63,659 | $ 63,728

X
- Definition Amount excluding accrued interest, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 + Details
Name: | us-gaap_DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss
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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (aaa) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5A Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5A Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5A -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5A Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5B Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5B Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5B Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5B Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5B -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5B Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 + Details
Name: | us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems
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=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: |

X
- Details
Name: | srt_CreditRatingMoodysAxis=srt_MoodysAaaRatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CreditRatingMoodysAxis=hbnc_MoodysAARatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CreditRatingMoodysAxis=hbnc_MoodysARatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CreditRatingMoodysAxis=hbnc_MoodysBBBRatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CreditRatingMoodysAxis=hbnc_MoodysBBRatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CreditRatingMoodysAxis=hbnc_MoodysNotRatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |