XML 96 R82.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Borrowed Funds (Details) - USD ($) $ in Thousands | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015
Disclosure of Repurchase Agreements [Abstract] |  |  |  |  |  |  |  |
Range of repurchase agreements' maturity dates | one to 365 |  |  |  |  |  |  |
Amount of line of credit with correspondent banks | $ 48,000 |  |  |  |  |  |  |
Credit facility with Federal Reserve Bank | $ 157,000 |  |  |  |  |  |  |
Federal Home Loan Bank, Advances, Maturities Summary [Abstract] |  |  |  |  |  |  |  |
Interest Rate, Due in Year Five | 1.55% |  |  |  |  |  |  |
Due in Twelve Months Maturity | $ 74,600 | $ 135,220 |  |  |  |  |  |
Due in Year Two Maturity | 30,000 | 30,000 |  |  |  |  |  |
Due in Year Three Maturity |  | 30,000 |  |  |  |  |  |
Due in Year Four Maturity | 55,000 |  |  |  |  |  |  |
Due in Year Five Maturity | 10,000 | 55,000 |  |  |  |  |  |
Due Thereafter | 25,127 | 134 |  |  |  |  |  |
Total | 194,727 | 250,354 |  |  |  |  |  |
Repurchase Agreements for municipal and commercial customers | 84,174 | 87,103 |  |  |  |  |  |
Total | $ 278,901 | $ 337,457 | $ 268,098 | $ 283,095 | $ 276,531 | $ 297,369 | $ 278,013 | $ 312,576
Minimum |  |  |  |  |  |  |  |
Disclosure of Repurchase Agreements [Abstract] |  |  |  |  |  |  |  |
Range of repurchase agreements' maturity dates (days) | 1 day |  |  |  |  |  |  |
Federal Home Loan Bank, Advances, Maturities Summary [Abstract] |  |  |  |  |  |  |  |
Interest Rate, Due in Next Twelve Months | 0.99% | 0.41% |  |  |  |  |  |
Interest Rate, Due in Year Two | 2.25% | 0.99% |  |  |  |  |  |
Interest Rate, Due in Year Three |  | 2.25% |  |  |  |  |  |
Interest Rate, Due in Year Four | 1.60% |  |  |  |  |  |  |
Interest Rate, Due in Year Five |  | 1.60% |  |  |  |  |  |
Interest Rate, Due Thereafter | 0.00% | 0.00% |  |  |  |  |  |
Securities Sold under Agreements to Repurchase, Stated Rate | 0.15% | 0.20% |  |  |  |  |  |
Maximum |  |  |  |  |  |  |  |
Disclosure of Repurchase Agreements [Abstract] |  |  |  |  |  |  |  |
Range of repurchase agreements' maturity dates (days) | 365 days |  |  |  |  |  |  |
Federal Home Loan Bank, Advances, Maturities Summary [Abstract] |  |  |  |  |  |  |  |
Interest Rate, Due in Next Twelve Months | 3.69% | 2.44% |  |  |  |  |  |
Interest Rate, Due in Year Two | 3.25% | 3.69% |  |  |  |  |  |
Interest Rate, Due in Year Three |  | 3.25% |  |  |  |  |  |
Interest Rate, Due in Year Four | 1.97% |  |  |  |  |  |  |
Interest Rate, Due in Year Five |  | 1.97% |  |  |  |  |  |
Interest Rate, Due Thereafter | 0.59% | 0.00% |  |  |  |  |  |
Securities Sold under Agreements to Repurchase, Stated Rate | 1.93% | 1.89% |  |  |  |  |  |

X
- Definition Maximum borrowing capacity under the credit facility with Federal Reserve Bank of Boston using commercial and home equity loans as collateral. + References No definition available. + Details
Name: | fnlc_CreditFacilityWithFederalReserveBankOfBoston
Namespace Prefix: | fnlc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Federal Home Loan Bank, Advances, Interest Rate, Maturities Summary, Due Thereafter + References No definition available. + Details
Name: | fnlc_FederalHomeLoanBankAdvancesInterestRateMaturitiesSummaryDueThereafter
Namespace Prefix: | fnlc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Federal Home Loan Bank, Advances, Interest Rate, Maturities Summary, Due in Next Twelve Months + References No definition available. + Details
Name: | fnlc_FederalHomeLoanBankAdvancesInterestRateMaturitiesSummaryDueinNextTwelveMonths
Namespace Prefix: | fnlc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Federal Home Loan Bank, Advances, Interest Rate, Maturities Summary, Due in Year Five + References No definition available. + Details
Name: | fnlc_FederalHomeLoanBankAdvancesInterestRateMaturitiesSummaryDueinYearFive
Namespace Prefix: | fnlc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Federal Home Loan Bank, Advances, Interest Rate, Maturities Summary, Due in Year Four + References No definition available. + Details
Name: | fnlc_FederalHomeLoanBankAdvancesInterestRateMaturitiesSummaryDueinYearFour
Namespace Prefix: | fnlc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Federal Home Loan Bank, Advances, Interest Rate, Maturities Summary, Due in Year Three + References No definition available. + Details
Name: | fnlc_FederalHomeLoanBankAdvancesInterestRateMaturitiesSummaryDueinYearThree
Namespace Prefix: | fnlc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Federal Home Loan Bank, Advances, Interest Rate, Maturities Summary, Due in Year Two + References No definition available. + Details
Name: | fnlc_FederalHomeLoanBankAdvancesInterestRateMaturitiesSummaryDueinYearTwo
Namespace Prefix: | fnlc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Borrowing capacity under the credit lines established with correspondent banks. + References No definition available. + Details
Name: | fnlc_LineOfCreditWithCorrespondentBanks
Namespace Prefix: | fnlc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Repurchase Agreement Counterparty, Maturity of Agreements + References No definition available. + Details
Name: | fnlc_RepurchaseAgreementCounterpartyMaturityofAgreements
Namespace Prefix: | fnlc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Securities Sold under Agreements to Repurchase, Stated Rate + References No definition available. + Details
Name: | fnlc_SecuritiesSoldunderAgreementstoRepurchaseStatedRate
Namespace Prefix: | fnlc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the aggregate dollar amount of all future maturities of advances from the Federal Home Loan Bank, treasury tax and loan notes and securities sold under repurchase agreements as of balance sheet date. + References No definition available. + Details
Name: | fnlc_TotalFederalHomeLoanBankAdvancesTreasuryTaxNotesAndRepurchaseAgreements
Namespace Prefix: | fnlc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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_AdvancesFromFederalHomeLoanBanks
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfRepurchaseAgreementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of advances from Federal Home Loan Bank (FHLBank) maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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_FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of advances from Federal Home Loan Bank (FHLBank) maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of advances from Federal Home Loan Bank (FHLBank) maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of advances from Federal Home Loan Bank (FHLBank) maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of advances from Federal Home Loan Bank (FHLBank) maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of advances from Federal Home Loan Bank (FHLBank) maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition This describes the time frame of the terms of the entity's repurchase agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(m)(1)(i)(A)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_RepurchaseAgreementsMaturities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(m)(1)(a)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13(1)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226008-175313 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=49176635&loc=d3e9760-107771 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Repurchase Agreement Accounted for as a Collateralized Borrowing -URI http://asc.fasb.org/extlink&oid=49203159 + Details
Name: | us-gaap_SecuritiesSoldUnderAgreementsToRepurchase
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |