XML 55 R44.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Loans - Loan Portfolio (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016 | Sep. 30, 2016
--- | --- | --- | ---
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 1,121,086 | $ 1,071,526 | $ 1,028,992
Percentage of loans receivable, by type | 100.00% | 100.00% | 100.00%
Commercial | Real estate |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 301,227 | $ 302,506 | $ 297,808
Percentage of loans receivable, by type | 26.90% | 28.20% | 28.90%
Commercial | Construction |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 32,893 | $ 25,406 | $ 18,828
Percentage of loans receivable, by type | 2.90% | 2.40% | 1.80%
Commercial | Other |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 172,986 | $ 150,769 | $ 131,198
Percentage of loans receivable, by type | 15.40% | 14.10% | 12.80%
Municipal |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 33,311 | $ 27,056 | $ 26,153
Percentage of loans receivable, by type | 3.00% | 2.50% | 2.50%
Residential | Construction |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 15,495 | $ 18,303 | $ 14,269
Percentage of loans receivable, by type | 1.40% | 1.70% | 1.40%
Residential | Term |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 429,572 | $ 411,469 | $ 403,159
Percentage of loans receivable, by type | 38.30% | 38.40% | 39.20%
Home equity line of credit |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 110,178 | $ 110,907 | $ 111,994
Percentage of loans receivable, by type | 9.80% | 10.40% | 10.90%
Consumer |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Loans | $ 25,424 | $ 25,110 | $ 25,583
Percentage of loans receivable, by type | 2.30% | 2.30% | 2.50%

X
- Definition Reflects the break down of the gross carrying amount of all categories of loans and leases held in the portfolio, after deducting deferred income, but before deducting the allowance for losses on loans and leases as a percentage of total portfolio. + References No definition available. + Details
Name: | fnlc_PercentageOfLoansReceivableByType
Namespace Prefix: | fnlc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
Name: | fnlc_ScheduleOfFinancingReceivablesLineItems
Namespace Prefix: | fnlc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524 + Details
Name: | us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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: |