XML 41 R53.htm IDEA: XBRL DOCUMENT v2.4.1.9

Financial Derivative Instruments (Schedule of Notional Amounts of Outstanding Derivative Positions) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Derivative [Line Items]
Unamortized Premium	$ 4,566bhb_DerivativeUnamortizedPremium	$ 4,566bhb_DerivativeUnamortizedPremium
Fair Value	2,857us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	3,455us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
Interest Rate Cap [Member]
Derivative [Line Items]
Notional Amount	90,000invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateCapMember
Cap Interest Rate		3.00%us-gaap_DerivativeCapInterestRate / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateCapMember
Premium Paid		4,566bhb_DerivativePremium / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateCapMember
Fair Value	2,857us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateCapMember
Interest Rate Cap 1 [Member]
Derivative [Line Items]
Notional Amount	25,000invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = bhb_InterestRateCap1Member
Expiration Date	Jun. 02, 2021
Cap Interest Rate	3.00%us-gaap_DerivativeCapInterestRate / us-gaap_DerivativeInstrumentRiskAxis = bhb_InterestRateCap1Member
Premium Paid	922bhb_DerivativePremium / us-gaap_DerivativeInstrumentRiskAxis = bhb_InterestRateCap1Member
Unamortized Premium	922bhb_DerivativeUnamortizedPremium / us-gaap_DerivativeInstrumentRiskAxis = bhb_InterestRateCap1Member
Fair Value	464us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_DerivativeInstrumentRiskAxis = bhb_InterestRateCap1Member
Interest Rate Cap 2 [Member]
Derivative [Line Items]
Notional Amount	20,000invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = bhb_InterestRateCap2Member
Expiration Date	Jun. 04, 2024
Cap Interest Rate	3.00%us-gaap_DerivativeCapInterestRate / us-gaap_DerivativeInstrumentRiskAxis = bhb_InterestRateCap2Member
Premium Paid	1,470bhb_DerivativePremium / us-gaap_DerivativeInstrumentRiskAxis = bhb_InterestRateCap2Member
Unamortized Premium	1,470bhb_DerivativeUnamortizedPremium / us-gaap_DerivativeInstrumentRiskAxis = bhb_InterestRateCap2Member
Fair Value	839us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_DerivativeInstrumentRiskAxis = bhb_InterestRateCap2Member
Interest Rate Cap 3 [Member]
Derivative [Line Items]
Notional Amount	20,000invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = bhb_InterestRateCap3Member
Expiration Date	Oct. 21, 2021
Cap Interest Rate	3.00%us-gaap_DerivativeCapInterestRate / us-gaap_DerivativeInstrumentRiskAxis = bhb_InterestRateCap3Member
Premium Paid	632bhb_DerivativePremium / us-gaap_DerivativeInstrumentRiskAxis = bhb_InterestRateCap3Member
Unamortized Premium	632bhb_DerivativeUnamortizedPremium / us-gaap_DerivativeInstrumentRiskAxis = bhb_InterestRateCap3Member
Fair Value	428us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_DerivativeInstrumentRiskAxis = bhb_InterestRateCap3Member
Interest Rate Cap 4 [Member]
Derivative [Line Items]
Notional Amount	25,000invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = bhb_InterestRateCap4Member
Expiration Date	Oct. 21, 2024
Cap Interest Rate	3.00%us-gaap_DerivativeCapInterestRate / us-gaap_DerivativeInstrumentRiskAxis = bhb_InterestRateCap4Member
Premium Paid	1,542bhb_DerivativePremium / us-gaap_DerivativeInstrumentRiskAxis = bhb_InterestRateCap4Member
Unamortized Premium	1,542bhb_DerivativeUnamortizedPremium / us-gaap_DerivativeInstrumentRiskAxis = bhb_InterestRateCap4Member
Fair Value	$ 1,126us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral / us-gaap_DerivativeInstrumentRiskAxis = bhb_InterestRateCap4Member

X

- Definition

Derivative, Premium

+ References

No definition available.

+ Details

Name:	bhb_DerivativePremium
Namespace Prefix:	bhb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Derivative , Unamortized Premium

+ References

No definition available.

+ Details

Name:	bhb_DerivativeUnamortizedPremium
Namespace Prefix:	bhb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

+ Details

Name:	invest_DerivativeNotionalAmount
Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Cap rate on an interest rate derivative such as an interest rate cap or collar. If market rates exceed the cap rate, a payment or receipt is triggered on the contract.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeCapInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 50

-Paragraph 3

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 55

-Paragraph 10

-URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226008-175313



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 55

-Paragraph 9

-URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226006-175313



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 8

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=56946850&loc=d3e41678-113959

+ Details

Name:	us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_DerivativeLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Date the derivative contract matures, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeMaturityDates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=bhb_InterestRateCap1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=bhb_InterestRateCap2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=bhb_InterestRateCap3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=bhb_InterestRateCap4Member
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: