XML 65 R53.htm IDEA: XBRL DOCUMENT
v3.25.3

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Past Due Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | $ 3,583,716 | $ 3,147,096
30-59 Days Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 2,289 | 15,686
60-89 Days Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 1,332 | 3,114
90 Days or Greater Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 4,114 | 1,534
Total Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 7,735 | 20,334
Current |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 3,575,981 | 3,126,762
Commercial construction | Total commercial loans |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 169,928 | 131,617
Commercial construction | Total commercial loans | Current |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 169,928 | 131,617
Commercial real estate owner occupied | Total commercial real estate |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 342,237 | 302,074
Commercial real estate owner occupied | Total commercial real estate | 90 Days or Greater Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 155 | 6
Commercial real estate owner occupied | Total commercial real estate | Total Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 155 | 6
Commercial real estate owner occupied | Total commercial real estate | Current |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 342,082 | 302,068
Commercial real estate non-owner occupied | Total commercial real estate |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 1,473,136 | 1,358,903
Commercial real estate non-owner occupied | Total commercial real estate | 30-59 Days Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment |  | 184
Commercial real estate non-owner occupied | Total commercial real estate | 90 Days or Greater Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 127 | 93
Commercial real estate non-owner occupied | Total commercial real estate | Total Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 127 | 277
Commercial real estate non-owner occupied | Total commercial real estate | Current |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 1,473,009 | 1,358,626
Tax exempt and other |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 42,395 | 44,275
Tax exempt and other | Current |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 42,395 | 44,275
Commercial and industrial | Total commercial and industrial |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 340,907 | 319,766
Commercial and industrial | Total commercial and industrial | 30-59 Days Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 1,056 | 428
Commercial and industrial | Total commercial and industrial | 60-89 Days Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 300 | 227
Commercial and industrial | Total commercial and industrial | 90 Days or Greater Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 733 | 578
Commercial and industrial | Total commercial and industrial | Total Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 2,089 | 1,233
Commercial and industrial | Total commercial and industrial | Current |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 338,818 | 318,533
Residential real estate | Total residential real estate |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 1,089,550 | 888,251
Residential real estate | Total residential real estate | 30-59 Days Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 817 | 14,076
Residential real estate | Total residential real estate | 60-89 Days Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 923 | 2,426
Residential real estate | Total residential real estate | 90 Days or Greater Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 2,701 | 663
Residential real estate | Total residential real estate | Total Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 4,441 | 17,165
Residential real estate | Total residential real estate | Current |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 1,085,109 | 871,086
Home equity |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 110,988 | 94,141
Home equity | 30-59 Days Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 332 | 963
Home equity | 60-89 Days Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 97 | 441
Home equity | 90 Days or Greater Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 330 | 193
Home equity | Total Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 759 | 1,597
Home equity | Current |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 110,229 | 92,544
Consumer other | Total consumer |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 14,575 | 8,069
Consumer other | Total consumer | 30-59 Days Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 84 | 35
Consumer other | Total consumer | 60-89 Days Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 12 | 20
Consumer other | Total consumer | 90 Days or Greater Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 68 | 1
Consumer other | Total consumer | Total Past Due |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | 164 | 56
Consumer other | Total consumer | Current |  |
LOANS AND ALLOWANCE FOR CREDIT LOSSES |  |
Total loans held for investment | $ 14,411 | $ 8,013

X
- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease. + 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_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
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/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (d)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (d)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (d)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (d)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 8: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 9: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 10: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-14 Reference 12: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (e)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 13: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (e)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 14: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (b)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 15: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 16: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-12 Reference 17: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 80 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-80 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetNotPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConstructionLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=bhb_CommercialRealEstateOwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=bhb_CommercialRealEstateNonOwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=bhb_TaxExemptLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=bhb_CommercialAndIndustrialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=bhb_CommercialAndIndustrialLoansPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_RealEstateLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_HomeEquityLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=bhb_OtherConsumerLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |