XML 33 R75.htm IDEA: XBRL DOCUMENT v2.4.1.9
Preferred and Common Stock (Details) (USD $)
 0 Months Ended 12 Months Ended 48 Months Ended 168 Months Ended 0 Months Ended
Mar. 28, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Jan. 09, 2013
Dec. 31, 2014
May 08, 2013
Mar. 27, 2013
Aug. 24, 2011
Jan. 09, 2009
Dec. 31, 2001
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]                        
Proceeds from issuance of CPP Shares           $ 25,000,000us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock            
Purchase price of CPP Shares (in dollars per share)                     $ 1,000fnlc_PerSharePurchasePriceOfCppShares  
Cumulative dividend rate of CPP Shares (in hundredths)           5.00%us-gaap_PreferredStockDividendRatePercentage            
CPP Shares dividend period (in years)           5 years            
CPP Shares dividend rate after first five years (in hundredths)           9.00%fnlc_CppSharesDividendRateAfterFirstFiveYears            
Dividend payment terms           payable quarterly in arrears on February 15, May 15, August 15 and November 15 of each year            
Number of shares of common stock issuable pursuant to the Warrants, maximum (in shares)   225,904us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights 225,904us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights 225,904us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights     225,904us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights          
Exercise price of the Warrants (in dollars per share)   16.60us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights         16.60us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights          
Term of warrants issued (in years)   10 years                    
Assumptions used in determining fair value of warrants, common stock price (in dollars per share)   $ 16.60fnlc_AssumptionsUsedInDeterminingFairValueOfWarrantsCommonStockPrice         $ 16.60fnlc_AssumptionsUsedInDeterminingFairValueOfWarrantsCommonStockPrice          
Assumptions used in determining fair value of warrants, dividend yield (in hundredths)   4.70%fnlc_AssumptionsUsedInDeterminingFairValueOfWarrantsDividendYield                    
Assumptions used in determining fair value of warrants, stock price volatility (in hundredths)   24.43%fnlc_AssumptionsUsedInDeterminingFairValueOfWarrantsStockPriceVolatility                    
Assumptions used in determining fair value of warrants, risk-free interest rate (in hundredths)   2.01%fnlc_AssumptionsUsedInDeterminingFairValueOfWarrantsRiskFreeInterestRate                    
Expected life of CPP Shares upon issuance (in years)   5 years                    
Common stock                        
Payments for Repurchase of Preferred Stock and Preference Stock   0us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock 12,500,000us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock 0us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock                
Number of shares available to directors and employees for stock purchase or savings and investment plans (in shares)   700,000fnlc_NumberOfSharesAvailableForGrantUnderEmployeeSavingsAndInvestmentPlan         700,000fnlc_NumberOfSharesAvailableForGrantUnderEmployeeSavingsAndInvestmentPlan          
Number of shares issued under employee savings and investment plan (in shares)   548,434fnlc_NumberOfSharesIssuedUnderEmployeeSavingsAndInvestmentPlan         548,434fnlc_NumberOfSharesIssuedUnderEmployeeSavingsAndInvestmentPlan          
Number of shares available for future use under employee savings and investment plan (in shares)   151,566fnlc_NumberOfSharesAvailableForFutureUseUnderEmployeeSavingsAndInvestmentPlan         151,566fnlc_NumberOfSharesAvailableForFutureUseUnderEmployeeSavingsAndInvestmentPlan          
Number of shares issued during period, employee benefit plan (in shares)   14,638us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans 11,385us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans   12,451us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans              
Number of shares registered with SEC for dividend reinvestment plan (in shares)                       600,000fnlc_NumberOfSharesRegisteredPursuantToDividendReinvestmentPlan
Number of shares issued during period, dividend reinvestment plan (in shares)   12,686us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan 12,008us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan 14,056us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan     225,274us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan          
Stock Remaining under Plan, Shares, Dividend Reinvestment Plan   374,726fnlc_StockRemainingunderPlanSharesDividendReinvestmentPlan                    
Number of trading days immediately preceding dividend payment date used in determining per share price of shares purchased   5 days                    
Proceeds from sale of common stock (in shares) 760,771us-gaap_StockIssuedDuringPeriodSharesNewIssues                      
Proceeds from sale of common stock 11,649,000us-gaap_ProceedsFromIssuanceOfCommonStock 457,000us-gaap_ProceedsFromIssuanceOfCommonStock 11,973,000us-gaap_ProceedsFromIssuanceOfCommonStock 499,000us-gaap_ProceedsFromIssuanceOfCommonStock                
Preferred Stock, Value, Outstanding 10,000,000us-gaap_PreferredStockValueOutstanding                      
Series A Preferred Stock                        
Common stock                        
Payments for Repurchase of Preferred Stock and Preference Stock               10,000,000us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember		 2,500,000us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember		 12,500,000us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesAPreferredStockMember		    
Capital Purchase Program                        
Common stock                        
Stock Issued During Period, Value, New Issues   $ 457,000us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_ShareRepurchaseProgramAxis
= fnlc_CapitalPurchaseProgramMember		 $ 324,000us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_ShareRepurchaseProgramAxis
= fnlc_CapitalPurchaseProgramMember