XML 85 R71.htm IDEA: XBRL DOCUMENT v3.22.4

Loans - Past-due Status of Loans by Class (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 1,914,674	$ 1,647,649	$ 1,476,761
90 Plus Days And Accruing	241	32
30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	625	1,548
60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	121	543
90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	713	2,254
All Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,459	4,345
Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,913,215	1,643,304
Commercial | Real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	699,340	576,198	442,121
90 Plus Days And Accruing	0	0
Commercial | Real estate | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0	249
Commercial | Real estate | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	3	0
Commercial | Real estate | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	190	191
Commercial | Real estate | All Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	193	440
Commercial | Real estate | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	699,147	575,758
Commercial | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	93,907	79,365	56,565
90 Plus Days And Accruing	0	0
Commercial | Construction | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0	12
Commercial | Construction | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0	0
Commercial | Construction | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0	12
Commercial | Construction | All Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0	24
Commercial | Construction | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	93,907	79,341
Commercial | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	319,359	264,570	285,015
90 Plus Days And Accruing	34	0
Commercial | Other | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	118	30
Commercial | Other | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	23	23
Commercial | Other | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	85	104
Commercial | Other | All Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	226	157
Commercial | Other | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	319,133	264,413
Municipal
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	40,619	48,362	43,783
90 Plus Days And Accruing	0	0
Municipal | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0	0
Municipal | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0	0
Municipal | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0	0
Municipal | All Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0	0
Municipal | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	40,619	48,362
Residential | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	49,907	31,763	21,600
90 Plus Days And Accruing	0	0
Residential | Construction | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0	0
Residential | Construction | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0	0
Residential | Construction | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0	0
Residential | Construction | All Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	0	0
Residential | Construction | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	49,907	31,763
Residential | Term
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	613,919	550,783	522,070
90 Plus Days And Accruing	118	0
Residential | Term | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	135	348
Residential | Term | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	33	169
Residential | Term | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	284	1,780
Residential | Term | All Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	452	2,297
Residential | Term | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	613,467	548,486
Home equity line of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	76,560	73,632	79,750
90 Plus Days And Accruing	86	0
Home equity line of credit | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	241	741
Home equity line of credit | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	29	159
Home equity line of credit | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	151	135
Home equity line of credit | All Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	421	1,035
Home equity line of credit | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	76,139	72,597
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	21,063	22,976	$ 25,857
90 Plus Days And Accruing	3	32
Consumer | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	131	168
Consumer | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	33	192
Consumer | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	3	32
Consumer | All Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	167	392
Consumer | Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 20,896	$ 22,584

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

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 3B
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447

+ Details

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

X

- Definition

Amortized cost of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 16
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5111-111524

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
-Paragraph 80
-URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922355-210448

+ Details

Name:	us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancialAssetNotPastDueMember
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_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_RealEstateLoanMember
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=fnlc_OtherLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=fnlc_MunicipalPortfolioMember
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=fnlc_TermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=fnlc_HomeEquityLineOfCreditPortfolioMember
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: