XML 56 R45.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Loans - Narrative (Details) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2018 USD ($) loan | Jun. 30, 2017 USD ($) loan | Jun. 30, 2018 USD ($) loan | Jun. 30, 2017 USD ($) loan | Dec. 31, 2017 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Net deferred loan costs | $ 6,307 | $ 5,469 | $ 6,307 | $ 5,469 | $ 5,748
Qualifying first mortgage loans | 317,053 | 249,329 | 317,053 | 249,329 | 239,805
Loans pledged as collateral | 227,084 | 294,315 | $ 227,084 | $ 294,315 | $ 290,247
Loans classified as TDR (loan) | loan |  |  | 72 | 68 | 62
Value of loans classified as TDR | $ 25,606 | $ 20,301 | $ 25,606 | $ 20,301 | $ 17,801
Number of Loans | loan | 8 | 10 | 8 | 10 |
Value of TDR loans more than 30 days past due | $ 893 | $ 1,336 | $ 893 | $ 1,336 |
Number of TDR loans more than 30 days past due (loan) | loan |  | 0 |  | 0 |
Number of loans placed on TDR status (loan) | loan | 3 | 0 | 10 | 0 |
Number of TDR loans involved in bankruptcy (loan) | loan | 4 |  | 4 |  |
Value of TDR loans involved in bankruptcy | $ 681 |  | $ 681 |  |
Number of TDR loans on non-accrual status (loan) | loan | 12 |  | 12 |  |
Value of TDR loans on non-accrual status | $ 7,795 |  | $ 7,795 |  |
Number of TDR loans in the process of foreclosure (loan) | loan | 4 |  | 4 |  |
Loans classified as TDRs in process of foreclosure | $ 504 |  | $ 504 |  |
Number of mortgage loans in the process of foreclosure (loan) | loan | 14 | 12 | 14 | 12 |
Value of mortgage loans in the process of foreclosure | $ 1,524 | $ 1,919 | $ 1,524 | $ 1,919 |
Unallocated |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Number of days past due |  |  | 30 days | 30 days |

X
- Definition Carrying amount of loans classified as troubled debt restructurings that are involved in bankruptcy as of the balance sheet date. + References No definition available. + Details
Name: | fnlc_FinancingReceivableLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy
Namespace Prefix: | fnlc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The number of financing receivables that have been modified by troubled debt restructurings during the current period. + References No definition available. + Details
Name: | fnlc_FinancingReceivableModificationsNumberOfContractsDuringPeriod
Namespace Prefix: | fnlc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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 Receivable, Number Of Loans Classified As Troubled Debt Restructurings Involved In Foreclosure + References No definition available. + Details
Name: | fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsInvolvedInForeclosure
Namespace Prefix: | fnlc_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of loans classified as troubled debt restructurings that are involved in bankruptcy as of the balance sheet date. + References No definition available. + Details
Name: | fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInBankruptcy
Namespace Prefix: | fnlc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of loans classified as troubled debt restructurings that were on non-accrual status as of the balance sheet date. + References No definition available. + Details
Name: | fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatWereOnNonAccrualStatus
Namespace Prefix: | fnlc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Financing Receivable, Number of Loans Classified As Troubled Debt Restructurings Classified As NonAccrual + References No definition available. + Details
Name: | fnlc_FinancingReceivableNumberofLoansClassifiedAsTroubledDebtRestructuringsClassifiedAsNonAccrual
Namespace Prefix: | fnlc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 Loans classified as troubled debt restructurings that are involved in foreclosure as of the balance sheet date. + References No definition available. + Details
Name: | fnlc_LoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInForeclosure
Namespace Prefix: | fnlc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Mortgage Loans in Process of Foreclosure, Number + References No definition available. + Details
Name: | fnlc_MortgageLoansinProcessofForeclosureNumber
Namespace Prefix: | fnlc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number Of Days Past Due + References No definition available. + Details
Name: | fnlc_NumberOfDaysPastDue
Namespace Prefix: | fnlc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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 Amount of the collateral pledged in support of federal home loan bank advances outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
Name: | us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts 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) -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 840 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=84165051&loc=d3e45377-112738 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84159169&loc=d3e10152-111534 + Details
Name: | us-gaap_LoansAndLeasesReceivableDeferredIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5086-111524 + Details
Name: | us-gaap_LoansPledgedAsCollateral
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL49126937-111524 + Details
Name: | us-gaap_MortgageLoansInProcessOfForeclosureAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_UnallocatedFinancingReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |