XML 62 R51.htm IDEA: XBRL DOCUMENT
v3.23.3

CAPITAL RATIOS AND SHAREHOLDERS' EQUITY - Actual and Required Capital Ratios (Details) $ in Thousands | Sep. 30, 2023 USD ($) | Dec. 31, 2022 USD ($)
--- | --- | ---
Actual |  |
Total capital to risk-weighted assets | $ 443,482 | $ 416,900
Common equity tier 1 capital to risk-weighted assets | 351,029 | 326,513
Tier 1 capital to risk-weighted assets | 371,649 | 347,133
Tier 1 capital to average assets | $ 371,649 | $ 347,133
Total capital to risk-weighted assets, ratio | 0.1386 | 0.1350
Common equity tier 1 capital to risk-weighted assets, ratio | 0.1097 | 0.1057
Tier 1 capital to risk-weighted assets, ratio | 0.1162 | 0.1124
Tier 1 capital to average assets (leverage ratio) | 0.0945 | 0.0921
Minimum Regulatory Capital Requirements |  |
Total capital to risk-weighted assets | $ 255,967 | $ 247,041
Common equity tier 1 capital to risk-weighted assets | 143,981 | 138,960
Tier 1 capital to risk-weighted assets | 191,976 | 185,281
Tier 1 capital to average assets | $ 157,333 | $ 150,772
Minimum regulatory capital requirements, Total capital to risk-weighted assets, ratio | 0.0800 | 0.0800
Minimum regulatory capital requirements, Common equity tier 1 capital to risk-weighted assets, ratio | 4.50% | 4.50%
Minimum regulatory capital requirements, Tier 1 capital to risk-weighted assets, ratio | 0.0600 | 0.0600
Minimum regulatory capital requirements, Tier 1 capital to average assets, (leverage ratio) | 0.0400 | 0.0400
Bank |  |
Actual |  |
Total capital to risk-weighted assets | $ 434,770 | $ 410,053
Common equity tier 1 capital to risk-weighted assets | 402,937 | 380,286
Tier 1 capital to risk-weighted assets | 402,937 | 380,286
Tier 1 capital to average assets | $ 402,937 | $ 380,286
Total capital to risk-weighted assets, ratio | 0.1360 | 0.1329
Common equity tier 1 capital to risk-weighted assets, ratio | 0.1261 | 0.1233
Tier 1 capital to risk-weighted assets, ratio | 0.1261 | 0.1233
Tier 1 capital to average assets (leverage ratio) | 0.1025 | 0.1010
Minimum Regulatory Capital Requirements |  |
Total capital to risk-weighted assets | $ 257,232 | $ 246,812
Common equity tier 1 capital to risk-weighted assets | 144,594 | 138,832
Tier 1 capital to risk-weighted assets | 192,792 | 185,110
Tier 1 capital to average assets | $ 154,761 | $ 150,655
Minimum regulatory capital requirements, Total capital to risk-weighted assets, ratio | 0.0800 | 0.0800
Minimum regulatory capital requirements, Common equity tier 1 capital to risk-weighted assets, ratio | 4.50% | 4.50%
Minimum regulatory capital requirements, Tier 1 capital to risk-weighted assets, ratio | 0.0600 | 0.0600
Minimum regulatory capital requirements, Tier 1 capital to average assets, (leverage ratio) | 0.0400 | 0.0400

X
- Definition n/a + References No definition available. + Details
Name: | bhb_CapitalRequiredForCapitalAdequacyAbstract
Namespace Prefix: | bhb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Common equity tier 1 capital to risk-weighted assets. + References No definition available. + Details
Name: | bhb_CommonEquityTierOne
Namespace Prefix: | bhb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Common Equity Tier One Risk Based Capital Required For Capital Adequacy + References No definition available. + Details
Name: | bhb_CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy
Namespace Prefix: | bhb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The Common equity Tier 1 capital ratio (Common equity Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action. + References No definition available. + Details
Name: | bhb_CommonEquityTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets
Namespace Prefix: | bhb_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Leverage Capital Ratio Risk Based Capital Required For Capital Adequacy + References No definition available. + Details
Name: | bhb_LeverageCapitalRatioRiskBasedCapitalRequiredForCapitalAdequacy
Namespace Prefix: | bhb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Leverage Capital Ratio Risk Based Total Assets + References No definition available. + Details
Name: | bhb_LeverageCapitalRatioRiskBasedTotalAssets
Namespace Prefix: | bhb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of total capital as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 + Details
Name: | us-gaap_Capital
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_CapitalAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of minimum total risk-based capital required for capital adequacy as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1B + Details
Name: | us-gaap_CapitalRequiredForCapitalAdequacy
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Ratio of minimum total risk-based capital to risk-weighted assets categorized as well capitalized as defined by regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 + Details
Name: | us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Ratio of total risk-based capital to risk-weighted assets as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 + Details
Name: | us-gaap_CapitalToRiskWeightedAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Ratio of Common Equity Tier 1 risk-based capital to risk-weighted assets as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 + Details
Name: | us-gaap_CommonEquityTierOneCapitalRatio
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Ratio of minimum Tier 1 leverage capital to average assets categorized as well capitalized as defined by regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 + Details
Name: | us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Ratio of Tier 1 capital to average assets as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 + Details
Name: | us-gaap_TierOneLeverageCapitalToAverageAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of Tier 1 risk-based capital as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 + Details
Name: | us-gaap_TierOneRiskBasedCapital
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of minimum Tier 1 risk-based capital required for capital adequacy as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1B + Details
Name: | us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Ratio of minimum Tier 1 risk-based capital to risk-weighted assets categorized as well capitalized as defined by regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 + Details
Name: | us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Ratio of Tier 1 risk-based capital to risk-weighted assets as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 + Details
Name: | us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_SubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |