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Allowance for Loan Losses (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	$ 14,739,000	$ 15,319,000	$ 14,739,000	$ 15,319,000
Commercial and municipal risk-rated loans receivable	378,587,000	404,153,000	378,587,000	404,153,000	391,201,000
Residential loans typical loan-to-value range, low (in hundredths)	75.00%		75.00%
Residential loans typical loan-to-value maximum (in hundredths)	80.00%		80.00%
Collateralized consumer loans to individuals loan-to-value maximum range, low (in hundredths)	80.00%		80.00%
Collateralized consumer loans to individuals loan-to-value maximum range, high (in hundredths)	90.00%		90.00%
Delinquent period before residential loans placed on non-accrual status (in days)	90D		90D
Delinquent period before consumer loans charged off (in days)	120D		120D
Allowance for loan losses
Beginning balance	14,384,000	15,034,000	13,000,000	13,316,000
Charge offs	1,169,000	1,276,000	5,064,000	3,833,000
Recoveries	124,000	59,000	503,000	236,000
Provision	1,400,000	1,502,000	6,300,000	5,600,000
Ending balance	14,739,000	15,319,000	14,739,000	15,319,000
Ending balance specifically evaluated for impairment	5,062,000	1,627,000	5,062,000	1,627,000	2,058,000
Ending balance collectively evaluated for impairment	9,677,000	13,692,000	9,677,000	13,692,000	10,942,000
Related loan balances
Ending balance	869,871,000	868,573,000	869,871,000	868,573,000	864,988,000
Ending balance specifically evaluated for impairment	48,645,000	28,270,000	48,645,000	28,270,000	42,120,000
Ending balance collectively evaluated for impairment	821,226,000	840,303,000	821,226,000	840,303,000	822,868,000
Total number of TDR loans	91	45	91	45	59
Number of TDR loans past due	15		15
Balance of total TDR loans	29,349,000	10,467,000	29,349,000	10,467,000	22,858,000
Balance of TDR loans past due	2,820,000		2,820,000
Specific reserves for total TDR loans	2,484,000		2,484,000
Specific reserves for past due TDR loans	170,000		170,000
Number of TDR loans - current period	11		38
Pre-modification outstanding recorded investment	4,512,000		12,369,000
Post-modification outstanding recorded investment	4,513,000		12,591,000
Specific reserves for TDR loans - current period	46,000		1,501,000
Number of loans classified as TDRs, greater than 30 days past due	15		15
Balance of loans classified as TDRs, greater than 30 days past due	2,820,000		2,820,000
Number of loans classified as troubled debt restructurings that had been placed on TDR status in previous 12 months	6		6
Loans classified as troubled debt restructurings that had been placed on TDR status in previous 12 months	970,000		970,000
Number of loans classified as troubled debt restructurings that are involved in bankruptcy	4		4
Loans classified as troubled debt restructurings that are involved in bankruptcy	712,000		712,000
Number of loans classified as troubled debt restructurings that were on non-accrual status	29		29
Loans classified as troubled debt restructurings and that were on non-accrual status	4,276,000		4,276,000
Number Of Loans Classified As Troubled Debt Restructurings That Are Involved In Foreclosure	4		4
Loans Classified As Troubled Debt Restructurings That Are Involved In Foreclosure	574,000		574,000
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Commercial real estate loans maximum loan-to-value (in hundredths)	75.00%		75.00%
Construction loans actual loan portfolio-to-Company capital (in hundredths)	21.70%		21.70%
Construction loans maximum loan portfolio-to-Company capital (in hundredths)	100.00%		100.00%
Construction and non-owner-occupied commercial real estate loan portfolio-to-Company Capital (in hundredths)	79.00%		79.00%
Construction and non-owner-occupied commercial real estate loan portfolio loan-to-Company capital (in hundredths)	300.00%		300.00%
Outstanding loans and commitments subject to review and validation annually by independent consulting firm (in hundredths)	50.00%		50.00%
Strong 1 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	2,074,000	2,593,000	2,074,000	2,593,000	2,646,000
Above Average 2 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	33,694,000	34,930,000	33,694,000	34,930,000	33,072,000
Satisfactory 3 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	54,243,000	56,662,000	54,243,000	56,662,000	49,326,000
Average 4 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	149,007,000	166,535,000	149,007,000	166,535,000	157,589,000
Watch 5 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	60,406,000	60,975,000	60,406,000	60,975,000	65,395,000
OAEM 6 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	26,488,000	23,493,000	26,488,000	23,493,000	25,932,000
Substandard 7 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	52,129,000	58,959,000	52,129,000	58,959,000	55,260,000
Doubtful 8 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	546,000	6,000	546,000	6,000	1,981,000
Specific Reserves Evaluated Individually for Impairment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	5,062,000	1,627,000	5,062,000	1,627,000	2,058,000
Allowance for loan losses
Beginning balance					2,058,000
Ending balance	5,062,000	1,627,000	5,062,000	1,627,000	2,058,000
General Reserves Based on Historical Loss Experience [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	4,349,000	4,815,000	4,349,000	4,815,000	4,501,000
Allowance for loan losses
Beginning balance					4,501,000
Ending balance	4,349,000	4,815,000	4,349,000	4,815,000	4,501,000
Reserve for Qualitative Factors [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	3,568,000	7,491,000	3,568,000	7,491,000	4,433,000
Allowance for loan losses
Beginning balance					4,433,000
Ending balance	3,568,000	7,491,000	3,568,000	7,491,000	4,433,000
Unallocated Reserves [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	1,760,000	1,386,000	1,760,000	1,386,000	2,008,000
Allowance for loan losses
Beginning balance					2,008,000
Ending balance	1,760,000	1,386,000	1,760,000	1,386,000	2,008,000
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	5,695,000	7,456,000	5,695,000	7,456,000
Commercial and municipal risk-rated loans receivable	256,531,000	257,910,000	256,531,000	257,910,000	255,424,000
Allowance for loan losses
Beginning balance	5,564,000	6,927,000	5,659,000	5,260,000
Charge offs	186,000	0	1,101,000	835,000
Recoveries	3,000	3,000	4,000	8,000
Provision	314,000	526,000	1,133,000	3,023,000
Ending balance	5,695,000	7,456,000	5,695,000	7,456,000
Ending balance specifically evaluated for impairment	1,416,000	636,000	1,416,000	636,000	808,000
Ending balance collectively evaluated for impairment	4,279,000	6,820,000	4,279,000	6,820,000	4,851,000
Related loan balances
Ending balance	256,531,000	257,910,000	256,531,000	257,910,000	255,424,000
Ending balance specifically evaluated for impairment	16,321,000	7,739,000	16,321,000	7,739,000	10,141,000
Ending balance collectively evaluated for impairment	240,210,000	250,171,000	240,210,000	250,171,000	245,283,000
Total number of TDR loans	18		18
Number of TDR loans past due	1		1
Balance of total TDR loans	12,329,000		12,329,000
Balance of TDR loans past due	263,000		263,000
Specific reserves for total TDR loans	823,000		823,000
Specific reserves for past due TDR loans	0		0
Number of TDR loans - current period	2		13
Pre-modification outstanding recorded investment	3,150,000		6,962,000
Post-modification outstanding recorded investment	3,150,000		7,171,000
Specific reserves for TDR loans - current period	29,000		175,000
Commercial Real Estate [Member] | Strong 1 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	20,000	28,000	20,000	28,000	23,000
Commercial Real Estate [Member] | Above Average 2 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	18,918,000	20,546,000	18,918,000	20,546,000	21,334,000
Commercial Real Estate [Member] | Satisfactory 3 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	36,580,000	36,693,000	36,580,000	36,693,000	33,119,000
Commercial Real Estate [Member] | Average 4 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	105,150,000	113,350,000	105,150,000	113,350,000	106,171,000
Commercial Real Estate [Member] | Watch 5 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	39,494,000	40,518,000	39,494,000	40,518,000	44,215,000
Commercial Real Estate [Member] | OAEM 6 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	21,530,000	14,964,000	21,530,000	14,964,000	18,309,000
Commercial Real Estate [Member] | Substandard 7 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	34,359,000	31,811,000	34,359,000	31,811,000	31,575,000
Commercial Real Estate [Member] | Doubtful 8 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	480,000	0	480,000	0	678,000
Commercial Real Estate [Member] | Specific Reserves Evaluated Individually for Impairment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	1,416,000	636,000	1,416,000	636,000	808,000
Allowance for loan losses
Beginning balance					808,000
Ending balance	1,416,000	636,000	1,416,000	636,000	808,000
Commercial Real Estate [Member] | General Reserves Based on Historical Loss Experience [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	2,479,000	2,547,000	2,479,000	2,547,000	2,578,000
Allowance for loan losses
Beginning balance					2,578,000
Ending balance	2,479,000	2,547,000	2,479,000	2,547,000	2,578,000
Commercial Real Estate [Member] | Reserve for Qualitative Factors [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	1,800,000	4,273,000	1,800,000	4,273,000	2,273,000
Allowance for loan losses
Beginning balance					2,273,000
Ending balance	1,800,000	4,273,000	1,800,000	4,273,000	2,273,000
Commercial Real Estate [Member] | Unallocated Reserves [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	0	0	0	0	0
Allowance for loan losses
Beginning balance					0
Ending balance	0	0	0	0	0
Commercial Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	1,059,000	804,000	1,059,000	804,000
Commercial and municipal risk-rated loans receivable	21,905,000	30,345,000	21,905,000	30,345,000	32,574,000
Allowance for loan losses
Beginning balance	1,373,000	702,000	658,000	1,012,000
Charge offs	87,000	0	87,000	0
Recoveries	1,000	0	247,000	0
Provision	(228,000)	102,000	241,000	(208,000)
Ending balance	1,059,000	804,000	1,059,000	804,000
Ending balance specifically evaluated for impairment	696,000	0	696,000	0	33,000
Ending balance collectively evaluated for impairment	363,000	804,000	363,000	804,000	625,000
Related loan balances
Ending balance	21,905,000	30,345,000	21,905,000	30,345,000	32,574,000
Ending balance specifically evaluated for impairment	6,645,000	792,000	6,645,000	792,000	5,702,000
Ending balance collectively evaluated for impairment	15,260,000	29,553,000	15,260,000	29,553,000	26,872,000
Total number of TDR loans	2		2
Number of TDR loans past due	0		0
Balance of total TDR loans	3,099,000		3,099,000
Balance of TDR loans past due	0		0
Specific reserves for total TDR loans	696,000		696,000
Specific reserves for past due TDR loans	0		0
Number of TDR loans - current period	0		1
Pre-modification outstanding recorded investment	0		1,951,000
Post-modification outstanding recorded investment	0		1,951,000
Specific reserves for TDR loans - current period	0		696,000
Commercial Construction [Member] | Strong 1 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	0	0	0	0	0
Commercial Construction [Member] | Above Average 2 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	699,000	10,000	699,000	10,000	0
Commercial Construction [Member] | Satisfactory 3 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	643,000	1,665,000	643,000	1,665,000	1,365,000
Commercial Construction [Member] | Average 4 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	10,670,000	14,564,000	10,670,000	14,564,000	17,125,000
Commercial Construction [Member] | Watch 5 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	1,812,000	5,222,000	1,812,000	5,222,000	3,287,000
Commercial Construction [Member] | OAEM 6 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	1,227,000	4,007,000	1,227,000	4,007,000	2,320,000
Commercial Construction [Member] | Substandard 7 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	6,854,000	4,877,000	6,854,000	4,877,000	7,323,000
Commercial Construction [Member] | Doubtful 8 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	0	0	0	0	1,154,000
Commercial Construction [Member] | Specific Reserves Evaluated Individually for Impairment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	696,000	0	696,000	0	33,000
Allowance for loan losses
Beginning balance					33,000
Ending balance	696,000	0	696,000	0	33,000
Commercial Construction [Member] | General Reserves Based on Historical Loss Experience [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	210,000	300,000	210,000	300,000	332,000
Allowance for loan losses
Beginning balance					332,000
Ending balance	210,000	300,000	210,000	300,000	332,000
Commercial Construction [Member] | Reserve for Qualitative Factors [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	153,000	504,000	153,000	504,000	293,000
Allowance for loan losses
Beginning balance					293,000
Ending balance	153,000	504,000	153,000	504,000	293,000
Commercial Construction [Member] | Unallocated Reserves [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	0	0	0	0	0
Allowance for loan losses
Beginning balance					0
Ending balance	0	0	0	0	0
Commercial Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	2,632,000	2,901,000	2,632,000	2,901,000
Commercial and municipal risk-rated loans receivable	83,703,000	96,045,000	83,703,000	96,045,000	86,982,000
Allowance for loan losses
Beginning balance	2,476,000	3,323,000	2,063,000	2,377,000
Charge offs	6,000	623,000	2,168,000	942,000
Recoveries	39,000	12,000	50,000	33,000
Provision	123,000	189,000	2,687,000	1,433,000
Ending balance	2,632,000	2,901,000	2,632,000	2,901,000
Ending balance specifically evaluated for impairment	1,240,000	352,000	1,240,000	352,000	402,000
Ending balance collectively evaluated for impairment	1,392,000	2,549,000	1,392,000	2,549,000	1,661,000
Related loan balances
Ending balance	83,703,000	96,045,000	83,703,000	96,045,000	86,982,000
Ending balance specifically evaluated for impairment	4,905,000	1,940,000	4,905,000	1,940,000	7,042,000
Ending balance collectively evaluated for impairment	78,798,000	94,105,000	78,798,000	94,105,000	79,940,000
Total number of TDR loans	20		20
Number of TDR loans past due	2		2
Balance of total TDR loans	2,614,000		2,614,000
Balance of TDR loans past due	55,000		55,000
Specific reserves for total TDR loans	594,000		594,000
Specific reserves for past due TDR loans	22,000		22,000
Number of TDR loans - current period	6		14
Pre-modification outstanding recorded investment	682,000		1,369,000
Post-modification outstanding recorded investment	682,000		1,380,000
Specific reserves for TDR loans - current period	2,000		546,000
Commercial Other [Member] | Strong 1 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	279,000	351,000	279,000	351,000	465,000
Commercial Other [Member] | Above Average 2 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	5,426,000	3,444,000	5,426,000	3,444,000	4,229,000
Commercial Other [Member] | Satisfactory 3 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	13,497,000	14,408,000	13,497,000	14,408,000	10,981,000
Commercial Other [Member] | Average 4 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	30,688,000	35,808,000	30,688,000	35,808,000	31,600,000
Commercial Other [Member] | Watch 5 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	19,100,000	15,235,000	19,100,000	15,235,000	17,893,000
Commercial Other [Member] | OAEM 6 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	3,731,000	4,522,000	3,731,000	4,522,000	5,303,000
Commercial Other [Member] | Substandard 7 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	10,916,000	22,271,000	10,916,000	22,271,000	16,362,000
Commercial Other [Member] | Doubtful 8 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	66,000	6,000	66,000	6,000	149,000
Commercial Other [Member] | Specific Reserves Evaluated Individually for Impairment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	1,240,000	352,000	1,240,000	352,000	402,000
Allowance for loan losses
Beginning balance					402,000
Ending balance	1,240,000	352,000	1,240,000	352,000	402,000
Commercial Other [Member] | General Reserves Based on Historical Loss Experience [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	807,000	952,000	807,000	952,000	883,000
Allowance for loan losses
Beginning balance					883,000
Ending balance	807,000	952,000	807,000	952,000	883,000
Commercial Other [Member] | Reserve for Qualitative Factors [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	585,000	1,597,000	585,000	1,597,000	778,000
Allowance for loan losses
Beginning balance					778,000
Ending balance	585,000	1,597,000	585,000	1,597,000	778,000
Commercial Other [Member] | Unallocated Reserves [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	0	0	0	0	0
Allowance for loan losses
Beginning balance					0
Ending balance	0	0	0	0	0
Municipal [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	18,000	19,000	18,000	19,000
Commercial and municipal risk-rated loans receivable	16,448,000	19,853,000	16,448,000	19,853,000	16,221,000
Allowance for loan losses
Beginning balance	19,000	19,000	19,000	19,000
Charge offs	0	0	0	0
Recoveries	0	0	0	0
Provision	(1,000)	0	(1,000)	0
Ending balance	18,000	19,000	18,000	19,000
Ending balance specifically evaluated for impairment	0	0	0	0	0
Ending balance collectively evaluated for impairment	18,000	19,000	18,000	19,000	19,000
Related loan balances
Ending balance	16,448,000	19,853,000	16,448,000	19,853,000	16,221,000
Ending balance specifically evaluated for impairment	0	0	0	0	0
Ending balance collectively evaluated for impairment	16,448,000	19,853,000	16,448,000	19,853,000	16,221,000
Total number of TDR loans	0		0
Number of TDR loans past due	0		0
Balance of total TDR loans	0		0
Balance of TDR loans past due	0		0
Specific reserves for total TDR loans	0		0
Specific reserves for past due TDR loans	0		0
Number of TDR loans - current period	0		0
Pre-modification outstanding recorded investment	0		0
Post-modification outstanding recorded investment	0		0
Specific reserves for TDR loans - current period	0		0
Municipal [Member] | Strong 1 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	1,775,000	2,214,000	1,775,000	2,214,000	2,158,000
Municipal [Member] | Above Average 2 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	8,651,000	10,930,000	8,651,000	10,930,000	7,509,000
Municipal [Member] | Satisfactory 3 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	3,523,000	3,896,000	3,523,000	3,896,000	3,861,000
Municipal [Member] | Average 4 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	2,499,000	2,813,000	2,499,000	2,813,000	2,693,000
Municipal [Member] | Watch 5 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	0	0	0	0	0
Municipal [Member] | OAEM 6 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	0	0	0	0	0
Municipal [Member] | Substandard 7 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	0	0	0	0	0
Municipal [Member] | Doubtful 8 [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial and municipal risk-rated loans receivable	0	0	0	0	0
Municipal [Member] | Specific Reserves Evaluated Individually for Impairment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	0	0	0	0	0
Allowance for loan losses
Beginning balance					0
Ending balance	0	0	0	0	0
Municipal [Member] | General Reserves Based on Historical Loss Experience [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	0	0	0	0	0
Allowance for loan losses
Beginning balance					0
Ending balance	0	0	0	0	0
Municipal [Member] | Reserve for Qualitative Factors [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	18,000	19,000	18,000	19,000	19,000
Allowance for loan losses
Beginning balance					19,000
Ending balance	18,000	19,000	18,000	19,000	19,000
Municipal [Member] | Unallocated Reserves [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	0	0	0	0	0
Allowance for loan losses
Beginning balance					0
Ending balance	0	0	0	0	0
Residential Term [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	2,223,000	1,444,000	2,223,000	1,444,000
Allowance for loan losses
Beginning balance	1,587,000	1,356,000	1,159,000	1,408,000
Charge offs	179,000	316,000	554,000	1,013,000
Recoveries	1,000	1,000	3,000	5,000
Provision	814,000	403,000	1,615,000	1,044,000
Ending balance	2,223,000	1,444,000	2,223,000	1,444,000
Ending balance specifically evaluated for impairment	1,494,000	398,000	1,494,000	398,000	478,000
Ending balance collectively evaluated for impairment	729,000	1,046,000	729,000	1,046,000	681,000
Related loan balances
Ending balance	369,949,000	329,730,000	369,949,000	329,730,000	341,286,000
Ending balance specifically evaluated for impairment	19,305,000	16,067,000	19,305,000	16,067,000	16,821,000
Ending balance collectively evaluated for impairment	350,644,000	313,663,000	350,644,000	313,663,000	324,465,000
Total number of TDR loans	50		50
Number of TDR loans past due	12		12
Balance of total TDR loans	10,890,000		10,890,000
Balance of TDR loans past due	2,502,000		2,502,000
Specific reserves for total TDR loans	371,000		371,000
Specific reserves for past due TDR loans	148,000		148,000
Number of TDR loans - current period	2		9
Pre-modification outstanding recorded investment	263,000		1,670,000
Post-modification outstanding recorded investment	264,000		1,672,000
Specific reserves for TDR loans - current period	15,000		84,000
Residential Term [Member] | Specific Reserves Evaluated Individually for Impairment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	1,494,000	398,000	1,494,000	398,000	478,000
Allowance for loan losses
Beginning balance					478,000
Ending balance	1,494,000	398,000	1,494,000	398,000	478,000
Residential Term [Member] | General Reserves Based on Historical Loss Experience [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	293,000	553,000	293,000	553,000	222,000
Allowance for loan losses
Beginning balance					222,000
Ending balance	293,000	553,000	293,000	553,000	222,000
Residential Term [Member] | Reserve for Qualitative Factors [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	436,000	493,000	436,000	493,000	459,000
Allowance for loan losses
Beginning balance					459,000
Ending balance	436,000	493,000	436,000	493,000	459,000
Residential Term [Member] | Unallocated Reserves [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	0	0	0	0	0
Allowance for loan losses
Beginning balance					0
Ending balance	0	0	0	0	0
Residential Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	14,000	120,000	14,000	120,000
Allowance for loan losses
Beginning balance	58,000	35,000	255,000	44,000
Charge offs	263,000	0	381,000	505,000
Recoveries	42,000	0	42,000	0
Provision	177,000	85,000	98,000	581,000
Ending balance	14,000	120,000	14,000	120,000
Ending balance specifically evaluated for impairment	0	82,000	0	82,000	235,000
Ending balance collectively evaluated for impairment	14,000	38,000	14,000	38,000	20,000
Related loan balances
Ending balance	6,528,000	12,061,000	6,528,000	12,061,000	10,469,000
Ending balance specifically evaluated for impairment	23,000	396,000	23,000	396,000	1,198,000
Ending balance collectively evaluated for impairment	6,505,000	11,665,000	6,505,000	11,665,000	9,271,000
Total number of TDR loans	0		0
Number of TDR loans past due	0		0
Balance of total TDR loans	0		0
Balance of TDR loans past due	0		0
Specific reserves for total TDR loans	0		0
Specific reserves for past due TDR loans	0		0
Number of TDR loans - current period	0		0
Pre-modification outstanding recorded investment	0		0
Post-modification outstanding recorded investment	0		0
Specific reserves for TDR loans - current period	0		0
Residential Construction [Member] | Specific Reserves Evaluated Individually for Impairment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	0	82,000	0	82,000	235,000
Allowance for loan losses
Beginning balance					235,000
Ending balance	0	82,000	0	82,000	235,000
Residential Construction [Member] | General Reserves Based on Historical Loss Experience [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	5,000	20,000	5,000	20,000	6,000
Allowance for loan losses
Beginning balance					6,000
Ending balance	5,000	20,000	5,000	20,000	6,000
Residential Construction [Member] | Reserve for Qualitative Factors [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	9,000	18,000	9,000	18,000	14,000
Allowance for loan losses
Beginning balance					14,000
Ending balance	9,000	18,000	9,000	18,000	14,000
Residential Construction [Member] | Unallocated Reserves [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	0	0	0	0	0
Allowance for loan losses
Beginning balance					0
Ending balance	0	0	0	0	0
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	548,000	615,000	548,000	615,000
Allowance for loan losses
Beginning balance	603,000	664,000	584,000	646,000
Charge offs	106,000	142,000	382,000	298,000
Recoveries	38,000	43,000	157,000	189,000
Provision	13,000	50,000	189,000	78,000
Ending balance	548,000	615,000	548,000	615,000
Ending balance specifically evaluated for impairment	1,000	64,000	1,000	64,000	11,000
Ending balance collectively evaluated for impairment	547,000	551,000	547,000	551,000	573,000
Related loan balances
Ending balance	14,708,000	16,738,000	14,708,000	16,738,000	16,788,000
Ending balance specifically evaluated for impairment	1,000	102,000	1,000	102,000	53,000
Ending balance collectively evaluated for impairment	14,707,000	16,636,000	14,707,000	16,636,000	16,735,000
Total number of TDR loans	0		0
Number of TDR loans past due	0		0
Balance of total TDR loans	0		0
Balance of TDR loans past due	0		0
Specific reserves for total TDR loans	0		0
Specific reserves for past due TDR loans	0		0
Number of TDR loans - current period	0		0
Pre-modification outstanding recorded investment	0		0
Post-modification outstanding recorded investment	0		0
Specific reserves for TDR loans - current period	0		0
Consumer [Member] | Specific Reserves Evaluated Individually for Impairment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	1,000	64,000	1,000	64,000	11,000
Allowance for loan losses
Beginning balance					11,000
Ending balance	1,000	64,000	1,000	64,000	11,000
Consumer [Member] | General Reserves Based on Historical Loss Experience [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	317,000	313,000	317,000	313,000	331,000
Allowance for loan losses
Beginning balance					331,000
Ending balance	317,000	313,000	317,000	313,000	331,000
Consumer [Member] | Reserve for Qualitative Factors [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	230,000	238,000	230,000	238,000	242,000
Allowance for loan losses
Beginning balance					242,000
Ending balance	230,000	238,000	230,000	238,000	242,000
Consumer [Member] | Unallocated Reserves [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	0	0	0	0	0
Allowance for loan losses
Beginning balance					0
Ending balance	0	0	0	0	0
Unallocated Financing Receivables [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	1,760,000	1,386,000	1,760,000	1,386,000
Allowance for loan losses
Beginning balance	1,895,000	1,356,000	2,008,000	1,880,000
Charge offs	0	0	0	0
Recoveries	0	0	0	0
Provision	(135,000)	30,000	(248,000)	(494,000)
Ending balance	1,760,000	1,386,000	1,760,000	1,386,000
Ending balance specifically evaluated for impairment	0	0	0	0	0
Ending balance collectively evaluated for impairment	1,760,000	1,386,000	1,760,000	1,386,000	2,008,000
Related loan balances
Ending balance	0	0	0	0	0
Ending balance specifically evaluated for impairment	0	0	0	0	0
Ending balance collectively evaluated for impairment	0	0	0	0	0
Unallocated Financing Receivables [Member] | Specific Reserves Evaluated Individually for Impairment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	0	0	0	0	0
Allowance for loan losses
Beginning balance					0
Ending balance	0	0	0	0	0
Unallocated Financing Receivables [Member] | General Reserves Based on Historical Loss Experience [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	0	0	0	0	0
Allowance for loan losses
Beginning balance					0
Ending balance	0	0	0	0	0
Unallocated Financing Receivables [Member] | Reserve for Qualitative Factors [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	0	0	0	0	0
Allowance for loan losses
Beginning balance					0
Ending balance	0	0	0	0	0
Unallocated Financing Receivables [Member] | Unallocated Reserves [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	1,760,000	1,386,000	1,760,000	1,386,000	2,008,000
Allowance for loan losses
Beginning balance					2,008,000
Ending balance	1,760,000	1,386,000	1,760,000	1,386,000	2,008,000
Home Equity Line Of Credit [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	790,000	574,000	790,000	574,000
Allowance for loan losses
Beginning balance	809,000	652,000	595,000	670,000
Charge offs	342,000	195,000	391,000	240,000
Recoveries	0	0	0	1,000
Provision	323,000	117,000	586,000	143,000
Ending balance	790,000	574,000	790,000	574,000
Ending balance specifically evaluated for impairment	215,000	95,000	215,000	95,000	91,000
Ending balance collectively evaluated for impairment	575,000	479,000	575,000	479,000	504,000
Related loan balances
Ending balance	100,099,000	105,891,000	100,099,000	105,891,000	105,244,000
Ending balance specifically evaluated for impairment	1,445,000	1,234,000	1,445,000	1,234,000	1,163,000
Ending balance collectively evaluated for impairment	98,654,000	104,657,000	98,654,000	104,657,000	104,081,000
Total number of TDR loans	1		1
Number of TDR loans past due	0		0
Balance of total TDR loans	417,000		417,000
Balance of TDR loans past due	0		0
Specific reserves for total TDR loans	0		0
Specific reserves for past due TDR loans	0		0
Number of TDR loans - current period	1		1
Pre-modification outstanding recorded investment	417,000		417,000
Post-modification outstanding recorded investment	417,000		417,000
Specific reserves for TDR loans - current period	0		0
Home Equity Line Of Credit [Member] | Specific Reserves Evaluated Individually for Impairment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	215,000	95,000	215,000	95,000	91,000
Allowance for loan losses
Beginning balance					91,000
Ending balance	215,000	95,000	215,000	95,000	91,000
Home Equity Line Of Credit [Member] | General Reserves Based on Historical Loss Experience [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	238,000	130,000	238,000	130,000	149,000
Allowance for loan losses
Beginning balance					149,000
Ending balance	238,000	130,000	238,000	130,000	149,000
Home Equity Line Of Credit [Member] | Reserve for Qualitative Factors [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	337,000	349,000	337,000	349,000	355,000
Allowance for loan losses
Beginning balance					355,000
Ending balance	337,000	349,000	337,000	349,000	355,000
Home Equity Line Of Credit [Member] | Unallocated Reserves [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	0	0	0	0	0
Allowance for loan losses
Beginning balance					0
Ending balance	$ 0	$ 0	$ 0	$ 0	$ 0

X

- Definition

The high maximum percentage of loan to value for consumer loans based on purchase price of the collateral.

+ References

No definition available.

+ Details

Name:	fnlc_CollateralizedConsumerLoansToIndividualsLoanToValueMaximumRangeHigh
Namespace Prefix:	fnlc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The low maximum percentage of loan to value for consumer loans based on purchase price of the collateral.

+ References

No definition available.

+ Details

Name:	fnlc_CollateralizedConsumerLoansToIndividualsLoanToValueMaximumRangeLow
Namespace Prefix:	fnlc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

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

The maximum percentage of loan to value for commercial real estate loans based on current appraisal information.

+ References

No definition available.

+ Details

Name:	fnlc_CommercialRealEstateLoansMaximumLoanToValue
Namespace Prefix:	fnlc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The regulatory maximum allowed ratio of loan portfolio to Company capital for construction and non-owner-occupied commercial real estate.

+ References

No definition available.

+ Details

Name:	fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansMaximumLoanPortfolioToCompanyCaptial
Namespace Prefix:	fnlc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The actual ratio of loan amount to Company capital for construction and non-owner-occupied commercial real estate.

+ References

No definition available.

+ Details

Name:	fnlc_ConstructionAndNonOwnerOccupiedCommercialRealEstateLoansPortfolioToCompanyCapital
Namespace Prefix:	fnlc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The regulatory maximum allowed ratio of loan portfolio to Company capital for construction loans.

+ References

No definition available.

+ Details

Name:	fnlc_ConstructionLoanPortfolioMaximumToCompanyCapital
Namespace Prefix:	fnlc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The ratio of loan portfolio to Company capital for construction loans .

+ References

No definition available.

+ Details

Name:	fnlc_ConstructionLoansActualLoanPortfolioToCompanyCapital
Namespace Prefix:	fnlc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Specific allowance for loan and lease losses on receivable financings greater 30 days past due that are classified as troubled debt restructurings during the period and that had been placed in TDR status in the previous 12 months.

+ References

No definition available.

+ Details

Name:	fnlc_DaysPastDuePlacedInTDRInPrevious12Months
Namespace Prefix:	fnlc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The minimum amount of days past due at which loans are considered charged off.

+ References

No definition available.

+ Details

Name:	fnlc_DelinquentPeriodBeforeConsumerLoansChargedOff
Namespace Prefix:	fnlc_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The minimum amount of days past due at which residential loans are placed on non-accrual status..

+ References

No definition available.

+ Details

Name:	fnlc_DelinquentPeriodBeforeResidentialLoansPlacedOnNonAccrualStatus
Namespace Prefix:	fnlc_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	instant

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

Carrying amount of loans classified as troubled debt restructurings that had been placed on TDR status in the previous 12 montsh.

+ References

No definition available.

+ Details

Name:	fnlc_FinancingReceivableLoansClassifiedAsTroubledDebtRestructuringsThatHadBeenPlacedOnTdrStatusInPrevious12Months
Namespace Prefix:	fnlc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Carrying amount 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_FinancingReceivableLoansClassifiedAsTroubledDebtRestructuringsThatWereOnNonAccrualStatus
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

The number of financing receivables greater than 30 days past due that have been modified by troubled debt restructurings.

+ 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

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings after the financing receivable has been modified during the current period.

+ References

No definition available.

+ Details

Name:	fnlc_FinancingReceivableModificationsPostModificationRecordedInvestmentDuringPeriod
Namespace Prefix:	fnlc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings before the financing receivable has been modified during the current period.

+ References

No definition available.

+ Details

Name:	fnlc_FinancingReceivableModificationsPreModificationRecordedInvestmentDuringPeriod
Namespace Prefix:	fnlc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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 had been placed on TDR status in the previous 12 months.

+ References

No definition available.

+ Details

Name:	fnlc_FinancingReceivableNumberOfLoansClassifiedAsTroubledDebtRestructuringsThatHadBeenPlacedOnTdrStatusInPrevious12Months
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 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 receivables that are greater than 30 days past due and that had been placed in TDR status in the previous 12 months.

+ References

No definition available.

+ Details

Name:	fnlc_FinancingReceivableRecordedInvestmentGreaterThan30DaysPastDuePlacedInTDRInPrevious12Months
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:	na
Period Type:	instant

X

- Definition

The number of loans classified as troubled debt restructurings that are involved in foreclosure as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	fnlc_NumberOfLoansClassifiedAsTroubledDebtRestructuringsThatAreInvolvedInForeclosure
Namespace Prefix:	fnlc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Percentage of loans and commitments subject to review by an independent consulting firm each year.

+ References

No definition available.

+ Details

Name:	fnlc_OutstandingLoansAndCommitmentsSubjectByIndependentConsultingFirm
Namespace Prefix:	fnlc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	fnlc_RelatedLoanBalancesAbstract
Namespace Prefix:	fnlc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The high percentage of loan to value range for residential loans based on current appraisal information.

+ References

No definition available.

+ Details

Name:	fnlc_ResidentialLoansTypicalLoanToValueRangeHigh
Namespace Prefix:	fnlc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The low percentage of loan to value range for residential loans based on current appraisal information.

+ References

No definition available.

+ Details

Name:	fnlc_ResidentialLoansTypicalLoanToValueRangeLow
Namespace Prefix:	fnlc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Specific allowance for loan and lease losses on receivable financings that are classified as troubled debt restructurings during the current period.

+ References

No definition available.

+ Details

Name:	fnlc_TroubledDebtRestructuringLoansAndLeasesReceivableSpecificAllowanceCurrentPeriod
Namespace Prefix:	fnlc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Specific allowance for loan and lease losses on receivable financings that are classified as troubled debt restructurings during the period.

+ References

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Reflects the gross amount charged against earnings during the period as credit losses (bad debt expense) based on review of the loan and lease portfolio and application of the methodology for estimating credit losses.

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Reflects a reduction in bad debt expense attributable to collections of loans and lease receivables which had previously been fully or partially charged off as bad debts.

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Reflects the amount of loans and leases that have been removed, or charged off, from both loan receivables and the reserve for credit losses, typically because they are considered to be not salvageable or have been purchased by unconsolidated collection entities.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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The valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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The number of financing receivables that have been modified by troubled debt restructurings.

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The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

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The allowance for loan and lease losses represents the reserve to cover probable credit losses related to specifically identified loans and leases, as well as probable credit losses inherent in the remainder of the loan portfolio as of the balance sheet date. For banks, include currently required allocated transfer risk reserves. Include carryover of or adjustments to the allowance for loan losses in connection with business combinations determined to be appropriate.

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Reflects the aggregate gross carrying amount of all categories of loans and leases held in portfolio, after deducting deferred income, but before deducting the allowance for losses on loans and leases.

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