XML 61 R50.htm IDEA: XBRL DOCUMENT
v3.19.2

Loans - TDR's by Class and Specific Reserves More Than 30 Days Past Due (Details) $ in Thousands | Jun. 30, 2019 USD ($) loan | Jun. 30, 2018 USD ($) loan
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of TDR loans more than 30 days past due (loan) | loan | 3 | 0
Number of Loans | loan | 15 | 8
Balance | $ 1,681 | $ 893
Specific Reserves | $ 173 | $ 33
Commercial | Real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Loans | loan | 0 | 0
Balance | $ 0 | $ 0
Specific Reserves | $ 0 | $ 0
Commercial | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Loans | loan | 0 | 0
Balance | $ 0 | $ 0
Specific Reserves | $ 0 | $ 0
Commercial | Other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Loans | loan | 4 | 0
Balance | $ 392 | $ 0
Specific Reserves | $ 134 | $ 0
Municipal |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Loans | loan | 0 | 0
Balance | $ 0 | $ 0
Specific Reserves | $ 0 | $ 0
Residential | Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Loans | loan | 0 | 0
Balance | $ 0 | $ 0
Specific Reserves | $ 0 | $ 0
Residential | Term |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Loans | loan | 9 | 7
Balance | $ 1,094 | $ 726
Specific Reserves | $ 39 | $ 33
Home equity line of credit |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Loans | loan | 2 | 1
Balance | $ 195 | $ 167
Specific Reserves | $ 0 | $ 0
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of Loans | loan | 0 | 0
Balance | $ 0 | $ 0
Specific Reserves | $ 0 | $ 0

X
- Definition Financing Receivable Modifications Number Of Contracts Greater Than 30 Days Past Due + References No definition available. + Details
Name: | fnlc_FinancingReceivableModificationsNumberOfContractsGreaterThan30DaysPastDue
Namespace Prefix: | fnlc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of financing receivables greater than 30 days past due that have been modified by troubled debt restructurings and that have been placed in the TDR status in the previous 12 months. + References No definition available. + Details
Name: | fnlc_FinancingReceivableModificationsNumberOfContractsGreaterThan30DaysPastDuePlaceInTDRInPrevious12Months
Namespace Prefix: | fnlc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Financing receivables that are greater than 30 days past due. + References No definition available. + Details
Name: | fnlc_FinancingReceivableRecordedInvestmentGreaterThan30DaysPastDue
Namespace Prefix: | fnlc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Financing Receivable, Recorded Investment, Greater than 30 Days Past Due, Placed in TDR in Previous 12 Months, Specific Allowance during Period + References No definition available. + Details
Name: | fnlc_FinancingReceivableRecordedInvestmentGreaterthan30DaysPastDuePlacedinTDRinPrevious12MonthsSpecificAllowanceduringPeriod
Namespace Prefix: | fnlc_
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_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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: |