XML 137 R69.htm IDEA: XBRL DOCUMENT v3.20.1

ALLOWANCE FOR LOAN LOSSES - Allowance Activity (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Allowance for loan losses
Loan relationships having aggregate balances in excess of threshold with potential credit weakness												$ 150
Activity in the allowance for loan losses
Balance at beginning of period				$ 13,866					$ 13,866
Provision/(releases) for loan losses	$ 538	$ 893	$ 562	324	$ 572	$ 643	$ 770	$ 795	2,317	$ 2,780	$ 2,788
Balance at end of period	15,353				13,866				15,353	13,866
Allowance For Loan Losses
Individually evaluated for impairment												69	$ 354	$ 0
Total	15,353			13,866	13,866				15,353	13,866		15,353	13,866
Business Activities Loans
Activity in the allowance for loan losses
Balance at beginning of period				13,581				12,153	13,581	12,153	10,419
Charged-off loans									(885)	(1,382)	(701)
Recoveries on charged-off loans									320	535	143
Provision/(releases) for loan losses									2,041	2,275	2,292
Balance at end of period	15,057				13,581				15,057	13,581	12,153
Allowance For Loan Losses
Individually evaluated for impairment												1,452	611	459
Collectively evaluated												13,605	12,970	11,694
Total	15,057			13,581	13,581			12,153	15,057	13,581	12,153	15,057	13,581	12,153
Business Activities Loans | Commercial real estate
Activity in the allowance for loan losses
Balance at beginning of period				6,811				6,037	6,811	6,037	5,145
Charged-off loans									(212)	(417)	(124)
Recoveries on charged-off loans									194	275	49
Provision/(releases) for loan losses									875	916	967
Balance at end of period	7,668				6,811				7,668	6,811	6,037
Allowance For Loan Losses
Individually evaluated for impairment												1,231	422	447
Collectively evaluated												6,437	6,389	5,590
Total	7,668			6,811	6,811			6,037	7,668	6,811	6,037	7,668	6,811	6,037
Business Activities Loans | Commercial and industrial
Activity in the allowance for loan losses
Balance at beginning of period				2,380				2,373	2,380	2,373	1,952
Charged-off loans									(336)	(111)	(189)
Recoveries on charged-off loans									65	76	11
Provision/(releases) for loan losses									1,499	42	599
Balance at end of period	3,608				2,380				3,608	2,380	2,373
Allowance For Loan Losses
Individually evaluated for impairment												164	78	3
Collectively evaluated												3,444	2,302	2,370
Total	3,608			2,380	2,380			2,373	3,608	2,380	2,373	3,608	2,380	2,373
Business Activities Loans | Residential real estate
Activity in the allowance for loan losses
Balance at beginning of period				3,982				3,357	3,982	3,357	2,721
Charged-off loans									(109)	(225)	(226)
Recoveries on charged-off loans									55	166	65
Provision/(releases) for loan losses									(526)	684	797
Balance at end of period	3,402				3,982				3,402	3,982	3,357
Allowance For Loan Losses
Individually evaluated for impairment												57	111	9
Collectively evaluated												3,345	3,871	3,348
Total	3,402			3,982	3,982			3,357	3,402	3,982	3,357	3,402	3,982	3,357
Business Activities Loans | Consumer
Activity in the allowance for loan losses
Balance at beginning of period				408				386	408	386	601
Charged-off loans									(228)	(629)	(162)
Recoveries on charged-off loans									6	18	18
Provision/(releases) for loan losses									193	633	(71)
Balance at end of period	379				408				379	408	386
Allowance For Loan Losses
Individually evaluated for impairment												0	0	0
Collectively evaluated												379	408	386
Total	379			408	408			386	379	408	386	379	408	386
Acquired Loans
Activity in the allowance for loan losses
Balance at beginning of period				285				172	285	172	0
Charged-off loans									(268)	(525)	(325)
Recoveries on charged-off loans									3	133	1
Provision/(releases) for loan losses									276	505	496
Balance at end of period	296				285				296	285	172
Allowance For Loan Losses
Individually evaluated for impairment												61	41	0
Collectively evaluated												235	244	172
Total	296			285	285			172	296	285	172	296	285	172
Acquired Loans | Commercial real estate
Activity in the allowance for loan losses
Balance at beginning of period				173				97	173	97	0
Charged-off loans									0	(136)	(151)
Recoveries on charged-off loans									0	43	1
Provision/(releases) for loan losses									(26)	169	247
Balance at end of period	147				173				147	173	97
Allowance For Loan Losses
Individually evaluated for impairment												12	0	0
Collectively evaluated												135	173	97
Total	147			173	173			97	147	173	97	147	173	97
Acquired Loans | Commercial and industrial
Activity in the allowance for loan losses
Balance at beginning of period				35				16	35	16	0
Charged-off loans									(23)	(166)	(18)
Recoveries on charged-off loans									0	7	0
Provision/(releases) for loan losses									(6)	178	34
Balance at end of period	6				35				6	35	16
Allowance For Loan Losses
Individually evaluated for impairment												0	0	0
Collectively evaluated												6	35	16
Total	6			35	35			16	6	35	16	6	35	16
Acquired Loans | Residential real estate
Activity in the allowance for loan losses
Balance at beginning of period				77				59	77	59	0
Charged-off loans									(240)	(158)	(29)
Recoveries on charged-off loans									0	0	0
Provision/(releases) for loan losses									306	176	88
Balance at end of period	143				77				143	77	59
Allowance For Loan Losses
Individually evaluated for impairment												49	41	0
Collectively evaluated												94	36	59
Total	143			77	77			59	143	77	59	143	77	59
Acquired Loans | Consumer
Activity in the allowance for loan losses
Balance at beginning of period				0				0	0	0	0
Charged-off loans									(5)	(65)	(127)
Recoveries on charged-off loans									3	83	0
Provision/(releases) for loan losses									2	(18)	127
Balance at end of period	0				0				0	0	0
Allowance For Loan Losses
Individually evaluated for impairment												0	0	0
Collectively evaluated												0	0	0
Total	$ 0			$ 0	$ 0			$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0

X

- Definition

Allowance for Loan and Lease Loss, Minimum Aggregate Balance, Individually Evaluated for Specific Reserve

+ References

No definition available.

+ Details

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

X

- Definition

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(4)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524

+ Details

Name:	us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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

X

- Definition

Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(d))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

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

X

- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524

+ Details

Name:	us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524

+ Details

Name:	us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

No definition available.

+ Details

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

X

- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for 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 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(d))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=118939070&loc=d3e15032-111544

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 6.L.1)
-URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707

+ Details

Name:	us-gaap_LoansAndLeasesReceivableAllowance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of expense related to estimated loss from loan and lease transactions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=116637391&loc=SL114874048-224260

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524

+ Details

Name:	us-gaap_ProvisionForLoanAndLeaseLosses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=bhb_LoansFromBusinessActivitiesMember
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_FinancingReceivablePortfolioSegmentAxis=bhb_CommercialandIndustrialLoansPortfolioSegmentMember
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_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
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: