XML 62 R51.htm IDEA: XBRL DOCUMENT
v3.4.0.3

Allowance for Loan Losses - Risk Ratings by Segment (Details) - USD ($) $ in Thousands | Mar. 31, 2016 | Dec. 31, 2015 | Mar. 31, 2015
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | $ 452,492 | $ 442,435 | $ 418,436
Commercial real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 279,683 | 269,462 | 242,021
Commercial construction |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 20,138 | 24,881 | 34,683
Commercial other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 133,629 | 128,341 | 115,455
Municipal |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 19,042 | 19,751 | 26,277
1 Strong |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 996 | 1,262 | 355
1 Strong | Commercial real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 6 | 6 | 11
1 Strong | Commercial construction |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 0 | 0 | 0
1 Strong | Commercial other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 990 | 1,256 | 344
1 Strong | Municipal |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 0 | 0 | 0
2 Above Average |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 52,679 | 55,059 | 45,334
2 Above Average | Commercial real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 27,586 | 29,176 | 11,599
2 Above Average | Commercial construction |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 55 | 56 | 766
2 Above Average | Commercial other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 7,707 | 7,506 | 8,282
2 Above Average | Municipal |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 17,331 | 18,321 | 24,687
3 Satisfactory |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 95,318 | 85,095 | 81,403
3 Satisfactory | Commercial real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 59,080 | 52,821 | 52,828
3 Satisfactory | Commercial construction |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 2,898 | 2,057 | 2,227
3 Satisfactory | Commercial other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 31,629 | 28,787 | 24,758
3 Satisfactory | Municipal |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 1,711 | 1,430 | 1,590
4 Average |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 208,908 | 207,442 | 189,467
4 Average | Commercial real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 129,432 | 122,071 | 108,480
4 Average | Commercial construction |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 11,926 | 18,070 | 25,867
4 Average | Commercial other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 67,550 | 67,301 | 55,120
4 Average | Municipal |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 0 | 0 | 0
5 Watch |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 59,479 | 58,700 | 57,025
5 Watch | Commercial real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 34,025 | 36,075 | 36,816
5 Watch | Commercial construction |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 5,109 | 4,490 | 2,567
5 Watch | Commercial other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 20,345 | 18,135 | 17,642
5 Watch | Municipal |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 0 | 0 | 0
6 OAEM |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 12,311 | 12,152 | 13,848
6 OAEM | Commercial real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 9,821 | 9,742 | 9,670
6 OAEM | Commercial construction |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 0 | 0 | 2,509
6 OAEM | Commercial other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 2,490 | 2,410 | 1,669
6 OAEM | Municipal |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 0 | 0 | 0
7 Substandard |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 22,801 | 22,725 | 31,004
7 Substandard | Commercial real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 19,733 | 19,571 | 22,617
7 Substandard | Commercial construction |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 150 | 208 | 747
7 Substandard | Commercial other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 2,918 | 2,946 | 7,640
7 Substandard | Municipal |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 0 | 0 | 0
8 Doubtful |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 0 | 0 | 0
8 Doubtful | Commercial real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 0 | 0 | 0
8 Doubtful | Commercial construction |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 0 | 0 | 0
8 Doubtful | Commercial other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | 0 | 0 | 0
8 Doubtful | Municipal |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Commercial and municipal risk-rated loans receivable | $ 0 | $ 0 | $ 0

X
- Definition Loans subject to review and validation annually by independent consulting firm as well internal credit review function. + References No definition available. + Details
Name: | fnlc_CommercialAndMunicipalRiskRatedLoansReceivable
Namespace Prefix: | fnlc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fnlc_CommercialConstructionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fnlc_CommercialOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fnlc_MunicipalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=fnlc_Strong1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=fnlc_AboveAverage2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=fnlc_Satisfactory3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=fnlc_Average4Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=fnlc_Watch5Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=fnlc_Oaem6Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_DoubtfulMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |