XML 67 R56.htm IDEA: XBRL DOCUMENT
v3.23.1

DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022 | Apr. 30, 2020 | Dec. 31, 2019 | Nov. 30, 2019
Derivative [Line Items] |  |  |  |  |
Notional Amount | $ 772,952 | $ 774,019 |  |  |
Fair Value Asset (Liability) | 3,974 | 4,811 |  |  |
Interest rate swap on deposits |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Amount |  |  | $ 25,000 |  | $ 50,000
Designated as hedging instrument | Cash flow hedges |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Amount | 125,000 | 125,000 |  |  |
Fair Value Asset (Liability) | 14 | 37 |  |  |
Designated as hedging instrument | Cash flow hedges | Interest rate cap agreements |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Amount | $ 75,000 | $ 75,000 |  |  |
Weighted Average Maturity (in years) | 1 year 9 months 18 days | 2 years |  |  |
Fair Value Asset (Liability) | $ 4,184 | $ 4,978 |  |  |
Designated as hedging instrument | Cash flow hedges | Interest rate swap on variable rate loans |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Amount | $ 50,000 | $ 50,000 |  |  |
Weighted Average Maturity (in years) | 3 years | 3 years 2 months 12 days |  |  |
Fair Value Asset (Liability) | $ (4,170) | $ (4,941) |  |  |
Designated as hedging instrument | Fair Value Hedging |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Amount | 37,190 | 37,190 |  |  |
Fair Value Asset (Liability) | 3,952 | 4,774 |  |  |
Designated as hedging instrument | Fair Value Hedging | Interest rate swap on deposits |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Amount | $ 37,190 | $ 37,190 |  | $ 37,200 |
Weighted Average Maturity (in years) | 6 years 3 months 18 days | 6 years 7 months 6 days |  |  |
Fair Value Asset (Liability) | $ 3,952 | $ 4,774 |  |  |
Hedged Asset, Fair Value Hedge | 31,658 | 41,964 |  |  |
Cumulative amount of fair value hedging adjustment in carrying amount | (5,532) | 4,774 |  |  |
Designated as hedging instrument | Economic hedges |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Amount | 610,210 | 611,829 |  |  |
Designated as hedging instrument | Economic hedges | Customer loan derivative liability | MNA counterparty |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Amount | $ 192,269 | $ 191,987 |  |  |
Weighted Average Maturity (in years) | 5 years 6 months | 5 years 9 months 18 days |  |  |
Fair Value Asset (Liability) | $ (16,375) | $ (20,287) |  |  |
Designated as hedging instrument | Economic hedges | Customer loan derivative liability | RPA counterparty |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Amount | $ 112,836 | $ 113,928 |  |  |
Weighted Average Maturity (in years) | 5 years 8 months 12 days | 6 years |  |  |
Fair Value Asset (Liability) | $ (23) |  |  |  |
Designated as hedging instrument | Economic hedges | Customer loan derivative liability | Customer |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Amount | $ 305,105 | $ 305,914 |  |  |
Weighted Average Maturity (in years) | 5 years 7 months 6 days | 5 years 10 months 24 days |  |  |
Fair Value Asset (Liability) | $ 16,398 | $ 20,287 |  |  |
Not designated as hedging instrument |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Amount | 552 |  |  |  |
Fair Value Asset (Liability) | 8 |  |  |  |
Not designated as hedging instrument | Interest Rate Lock Commitment |  |  |  |  |
Derivative [Line Items] |  |  |  |  |
Notional Amount | $ 552 |  |  |  |
Weighted Average Maturity (in years) | 2 months 12 days |  |  |  |
Fair Value Asset (Liability) | $ 8 |  |  |  |

X
- Definition Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126966630&loc=d3e41228-113958 + Details
Name: | us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Average remaining period until maturity of the derivative contract, 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_DerivativeAverageRemainingMaturity1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
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_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
Name: | us-gaap_DerivativeNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of asset hedged in fair value hedging relationship. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4EE -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL109999712-113959 + Details
Name: | us-gaap_HedgedAssetFairValueHedge
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of cumulative increase (decrease) in fair value of hedged asset in fair value hedge, attributable to hedged risk. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4EE -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL109999712-113959 + Details
Name: | us-gaap_HedgedAssetFairValueHedgeCumulativeIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateCapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=bhb_InterestRateSwapOnVariableRateLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_FairValueHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=bhb_EconomicHedgingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=bhb_CustomerLoanDerivativeLiabilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=bhb_MnaCounterpartyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=bhb_RpaCounterpartyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=bhb_CustomerCounterpartyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateLockCommitmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |