XML 71 R55.htm IDEA: XBRL DOCUMENT
v3.19.1

LOANS - Summary of Total Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | $ 2,490,227 | $ 2,485,613
Business Activities Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 1,630,897 | 1,452,630
Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 859,330 | 1,032,983
Commercial real estate: |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 826,699 | 826,746
Commercial real estate: | Business Activities Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 579,734 | 534,011
Commercial real estate: | Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 246,965 | 292,735
Commercial real estate: | Construction and land development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 26,644 | 45,673
Commercial real estate: | Construction and land development | Business Activities Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 23,754 | 28,892
Commercial real estate: | Construction and land development | Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 2,890 | 16,781
Commercial real estate: | Other commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 800,055 | 781,073
Commercial real estate: | Other commercial real estate | Business Activities Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 555,980 | 505,119
Commercial real estate: | Other commercial real estate | Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 244,075 | 275,954
Commercial and industrial: |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 404,870 | 379,423
Commercial and industrial: | Business Activities Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 313,662 | 268,004
Commercial and industrial: | Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 91,208 | 111,419
Commercial and industrial: | Other Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 287,227 | 266,120
Commercial and industrial: | Other Commercial | Business Activities Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 234,757 | 198,051
Commercial and industrial: | Other Commercial | Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 52,470 | 68,069
Commercial and industrial: | Agricultural |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 22,317 | 27,588
Commercial and industrial: | Agricultural | Business Activities Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 22,317 | 27,588
Commercial and industrial: | Agricultural | Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 0 | 0
Commercial and industrial: | Tax exempt |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 95,326 | 85,715
Commercial and industrial: | Tax exempt | Business Activities Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 56,588 | 42,365
Commercial and industrial: | Tax exempt | Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 38,738 | 43,350
Total commercial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 1,231,569 | 1,206,169
Total commercial loans | Business Activities Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 893,396 | 802,015
Total commercial loans | Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 338,173 | 404,154
Residential real estate: |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 1,144,698 | 1,155,682
Residential real estate: | Business Activities Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 670,189 | 591,411
Residential real estate: | Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 474,509 | 564,271
Residential real estate: | Residential mortgages |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 1,144,698 | 1,155,682
Residential real estate: | Residential mortgages | Business Activities Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 670,189 | 591,411
Residential real estate: | Residential mortgages | Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 474,509 | 564,271
Consumer: |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 113,960 | 123,762
Consumer: | Business Activities Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 67,312 | 59,204
Consumer: | Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 46,648 | 64,558
Consumer: | Home equity |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 103,189 | 113,593
Consumer: | Home equity | Business Activities Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 57,898 | 51,376
Consumer: | Home equity | Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 45,291 | 62,217
Consumer: | Other consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 10,771 | 10,169
Consumer: | Other consumer | Business Activities Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | 9,414 | 7,828
Consumer: | Other consumer | Acquired Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total loans, gross | $ 1,357 | $ 2,341

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

X
- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=bhb_LoansFromBusinessActivitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=bhb_AgricultureAndOtherLoansToFarmersMember
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_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
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_RealEstateLoanMember
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: |

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: |