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Allowance for Loan Losses (Details) (USD $) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011 | Dec. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Allowance for loan losses | $ 14,384,000 | $ 15,034,000 | $ 14,384,000 | $ 15,034,000 |
Commercial and municipal risk-rated loans receivable | 390,187,000 | 415,196,000 | 390,187,000 | 415,196,000 | 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 | 12,954,000 | 14,000,000 | 13,000,000 | 13,316,000 |
Charge offs | 1,425,000 | 1,057,000 | 3,895,000 | 2,570,000 |
Recoveries | 55,000 | 91,000 | 379,000 | 188,000 |
Provision | 2,800,000 | 2,000,000 | 4,900,000 | 4,100,000 |
Ending balance | 14,384,000 | 15,034,000 | 14,384,000 | 15,034,000 |
Ending balance specifically evaluated for impairment | 4,177,000 | 1,965,000 | 4,177,000 | 1,965,000 | 2,058,000
Ending balance collectively evaluated for impairment | 10,207,000 | 13,069,000 | 10,207,000 | 13,069,000 | 10,942,000
Related loan balances |  |  |  |  |
Ending balance | 881,814,000 | 886,929,000 | 881,814,000 | 886,929,000 | 864,988,000
Ending balance specifically evaluated for impairment | 43,374,000 | 26,981,000 | 43,374,000 | 26,981,000 | 42,120,000
Ending balance collectively evaluated for impairment | 838,440,000 | 859,948,000 | 838,440,000 | 859,948,000 | 822,868,000
Total number of TDR loans | 82 | 36 | 82 | 36 | 59
Number of TDR loans past due | 13 |  | 13 |  |
Balance of total TDR loans | 24,980,000 | 6,663,000 | 24,980,000 | 6,663,000 | 22,858,000
Balance of TDR loans past due | 2,487,000 |  | 2,487,000 |  |
Specific reserves for total TDR loans | 2,109,000 |  | 2,109,000 |  |
Specific reserves for past due TDR loans | 203,000 |  | 203,000 |  |
Number of TDR loans - current period | 15 |  | 29 |  |
Pre-modification outstanding recorded investment | 4,955,000 |  | 7,919,000 |  |
Post-modification outstanding recorded investment | 5,105,000 |  | 8,107,000 |  |
Specific reserves for TDR loans - current period | 1,454,000 |  | 1,468,000 |  |
Number of loans classified as TDRs, greater than 30 days past due | 13 |  | 13 |  |
Balance of loans classified as TDRs, greater than 30 days past due | 2,487,000 |  | 2,487,000 |  |
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 | 864,000 |  | 864,000 |  |
Number of loans classified as troubled debt restructurings that are involved in bankruptcy | 5 |  | 5 |  |
Loans classified as troubled debt restructurings that are involved in bankruptcy | 1,194,000 |  | 1,194,000 |  |
Number of loans classified as troubled debt restructurings that were on non-accrual status | 24 |  | 24 |  |
Loans classified as troubled debt restructurings and that were on non-accrual status | 3,562,000 |  | 3,562,000 |  |
Number Of Loans Classified As Troubled Debt Restructurings That Are Involved In Foreclosure | 3 |  | 3 |  |
Loans Classified As Troubled Debt Restructurings That Are Involved In Foreclosure | 413,000 |  | 413,000 |  |
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) | 30.30% |  | 30.30% |  |
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) | 90.40% |  | 90.40% |  |
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 | 2,127,000 | 2,837,000 | 2,127,000 | 2,837,000 | 2,646,000
Above Average 2 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 32,023,000 | 35,460,000 | 32,023,000 | 35,460,000 | 33,072,000
Satisfactory 3 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 55,269,000 | 61,661,000 | 55,269,000 | 61,661,000 | 49,326,000
Average 4 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 156,051,000 | 171,102,000 | 156,051,000 | 171,102,000 | 157,589,000
Watch 5 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 64,205,000 | 59,430,000 | 64,205,000 | 59,430,000 | 65,395,000
OAEM 6 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 27,141,000 | 29,925,000 | 27,141,000 | 29,925,000 | 25,932,000
Substandard 7 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 52,643,000 | 54,775,000 | 52,643,000 | 54,775,000 | 55,260,000
Doubtful 8 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 728,000 | 6,000 | 728,000 | 6,000 | 1,981,000
Specific Reserves Evaluated Individually for Impairment [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Allowance for loan losses | 4,177,000 | 0 | 4,177,000 | 0 | 2,058,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 2,058,000
Ending balance | 4,177,000 | 0 | 4,177,000 | 0 | 2,058,000
General Reserves Based on Historical Loss Experience [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Allowance for loan losses | 4,648,000 | 0 | 4,648,000 | 0 | 4,501,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 4,501,000
Ending balance | 4,648,000 | 0 | 4,648,000 | 0 | 4,501,000
Reserve for Qualitative Factors [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Allowance for loan losses | 3,664,000 | 0 | 3,664,000 | 0 | 4,433,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 4,433,000
Ending balance | 3,664,000 | 0 | 3,664,000 | 0 | 4,433,000
Unallocated Reserves [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Allowance for loan losses | 1,895,000 | 1,356,000 | 1,895,000 | 1,356,000 | 2,008,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 2,008,000
Ending balance | 1,895,000 | 1,356,000 | 1,895,000 | 1,356,000 | 2,008,000
Commercial Real Estate [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Allowance for loan losses | 5,564,000 | 6,927,000 | 5,564,000 | 6,927,000 |
Commercial and municipal risk-rated loans receivable | 253,193,000 | 263,337,000 | 253,193,000 | 263,337,000 | 255,424,000
Allowance for loan losses |  |  |  |  |
Beginning balance | 5,862,000 | 6,310,000 | 5,659,000 | 5,260,000 |
Charge offs | 915,000 | 546,000 | 915,000 | 835,000 |
Recoveries | 1,000 | 0 | 1,000 | 5,000 |
Provision | 616,000 | 1,163,000 | 819,000 | 2,497,000 |
Ending balance | 5,564,000 | 6,927,000 | 5,564,000 | 6,927,000 |
Ending balance specifically evaluated for impairment | 1,133,000 | 613,000 | 1,133,000 | 613,000 | 808,000
Ending balance collectively evaluated for impairment | 4,431,000 | 6,314,000 | 4,431,000 | 6,314,000 | 4,851,000
Related loan balances |  |  |  |  |
Ending balance | 253,193,000 | 263,337,000 | 253,193,000 | 263,337,000 | 255,424,000
Ending balance specifically evaluated for impairment | 13,795,000 | 6,746,000 | 13,795,000 | 6,746,000 | 10,141,000
Ending balance collectively evaluated for impairment | 239,398,000 | 256,591,000 | 239,398,000 | 256,591,000 | 245,283,000
Total number of TDR loans | 17 |  | 17 |  |
Number of TDR loans past due | 1 |  | 1 |  |
Balance of total TDR loans | 9,216,000 |  | 9,216,000 |  |
Balance of TDR loans past due | 269,000 |  | 269,000 |  |
Specific reserves for total TDR loans | 496,000 |  | 496,000 |  |
Specific reserves for past due TDR loans | 111,000 |  | 111,000 |  |
Number of TDR loans - current period | 5 |  | 12 |  |
Pre-modification outstanding recorded investment | 1,449,000 |  | 3,845,000 |  |
Post-modification outstanding recorded investment | 1,598,000 |  | 4,032,000 |  |
Specific reserves for TDR loans - current period | 152,000 |  | 152,000 |  |
Commercial Real Estate [Member] | Strong 1 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 21,000 | 29,000 | 21,000 | 29,000 | 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 | 19,319,000 | 21,021,000 | 19,319,000 | 21,021,000 | 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 | 36,207,000 | 40,346,000 | 36,207,000 | 40,346,000 | 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 | 99,855,000 | 114,124,000 | 99,855,000 | 114,124,000 | 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 | 41,089,000 | 38,095,000 | 41,089,000 | 38,095,000 | 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 | 21,135,000 | 19,572,000 | 21,135,000 | 19,572,000 | 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 | 34,931,000 | 30,150,000 | 34,931,000 | 30,150,000 | 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 | 636,000 | 0 | 636,000 | 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 | 1,133,000 | 613,000 | 1,133,000 | 613,000 | 808,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 808,000
Ending balance | 1,133,000 | 613,000 | 1,133,000 | 613,000 | 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 | 2,685,000 | 2,463,000 | 2,685,000 | 2,463,000 | 2,578,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 2,578,000
Ending balance | 2,685,000 | 2,463,000 | 2,685,000 | 2,463,000 | 2,578,000
Commercial Real Estate [Member] | Reserve for Qualitative Factors [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Allowance for loan losses | 1,746,000 | 3,851,000 | 1,746,000 | 3,851,000 | 2,273,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 2,273,000
Ending balance | 1,746,000 | 3,851,000 | 1,746,000 | 3,851,000 | 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 | 1,373,000 | 702,000 | 1,373,000 | 702,000 |
Commercial and municipal risk-rated loans receivable | 33,072,000 | 29,386,000 | 33,072,000 | 29,386,000 | 32,574,000
Allowance for loan losses |  |  |  |  |
Beginning balance | 704,000 | 639,000 | 658,000 | 1,012,000 |
Charge offs | 0 | 0 | 0 | 0 |
Recoveries | 0 | 0 | 246,000 | 0 |
Provision | 669,000 | 63,000 | 469,000 | (310,000) |
Ending balance | 1,373,000 | 702,000 | 1,373,000 | 702,000 |
Ending balance specifically evaluated for impairment | 787,000 | 0 | 787,000 | 0 | 33,000
Ending balance collectively evaluated for impairment | 586,000 | 702,000 | 586,000 | 702,000 | 625,000
Related loan balances |  |  |  |  |
Ending balance | 33,072,000 | 29,386,000 | 33,072,000 | 29,386,000 | 32,574,000
Ending balance specifically evaluated for impairment | 3,619,000 | 772,000 | 3,619,000 | 772,000 | 5,702,000
Ending balance collectively evaluated for impairment | 29,453,000 | 28,614,000 | 29,453,000 | 28,614,000 | 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 | 1 |  | 1 |  |
Pre-modification outstanding recorded investment | 1,951,000 |  | 1,951,000 |  |
Post-modification outstanding recorded investment | 1,951,000 |  | 1,951,000 |  |
Specific reserves for TDR loans - current period | 696,000 |  | 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 | 170,000 | 10,000 | 170,000 | 10,000 | 0
Commercial Construction [Member] | Satisfactory 3 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 1,751,000 | 1,616,000 | 1,751,000 | 1,616,000 | 1,365,000
Commercial Construction [Member] | Average 4 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 20,932,000 | 12,894,000 | 20,932,000 | 12,894,000 | 17,125,000
Commercial Construction [Member] | Watch 5 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 1,969,000 | 6,293,000 | 1,969,000 | 6,293,000 | 3,287,000
Commercial Construction [Member] | OAEM 6 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 1,649,000 | 4,015,000 | 1,649,000 | 4,015,000 | 2,320,000
Commercial Construction [Member] | Substandard 7 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 6,601,000 | 4,558,000 | 6,601,000 | 4,558,000 | 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 | 787,000 | 0 | 787,000 | 0 | 33,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 33,000
Ending balance | 787,000 | 0 | 787,000 | 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 | 355,000 | 274,000 | 355,000 | 274,000 | 332,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 332,000
Ending balance | 355,000 | 274,000 | 355,000 | 274,000 | 332,000
Commercial Construction [Member] | Reserve for Qualitative Factors [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Allowance for loan losses | 231,000 | 428,000 | 231,000 | 428,000 | 293,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 293,000
Ending balance | 231,000 | 428,000 | 231,000 | 428,000 | 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 | 2,476,000 | 3,323,000 | 2,476,000 | 3,323,000 |
Commercial and municipal risk-rated loans receivable | 87,833,000 | 102,499,000 | 87,833,000 | 102,499,000 | 86,982,000
Allowance for loan losses |  |  |  |  |
Beginning balance | 2,125,000 | 2,535,000 | 2,063,000 | 2,377,000 |
Charge offs | 160,000 | 158,000 | 2,162,000 | 319,000 |
Recoveries | 9,000 | 3,000 | 11,000 | 20,000 |
Provision | 502,000 | 943,000 | 2,564,000 | 1,245,000 |
Ending balance | 2,476,000 | 3,323,000 | 2,476,000 | 3,323,000 |
Ending balance specifically evaluated for impairment | 932,000 | 857,000 | 932,000 | 857,000 | 402,000
Ending balance collectively evaluated for impairment | 1,544,000 | 2,466,000 | 1,544,000 | 2,466,000 | 1,661,000
Related loan balances |  |  |  |  |
Ending balance | 87,833,000 | 102,499,000 | 87,833,000 | 102,499,000 | 86,982,000
Ending balance specifically evaluated for impairment | 4,100,000 | 2,095,000 | 4,100,000 | 2,095,000 | 7,042,000
Ending balance collectively evaluated for impairment | 83,733,000 | 100,404,000 | 83,733,000 | 100,404,000 | 79,940,000
Total number of TDR loans | 15 |  | 15 |  |
Number of TDR loans past due | 3 |  | 3 |  |
Balance of total TDR loans | 1,984,000 |  | 1,984,000 |  |
Balance of TDR loans past due | 180,000 |  | 180,000 |  |
Specific reserves for total TDR loans | 590,000 |  | 590,000 |  |
Specific reserves for past due TDR loans | 0 |  | 0 |  |
Number of TDR loans - current period | 6 |  | 9 |  |
Pre-modification outstanding recorded investment | 700,000 |  | 712,000 |  |
Post-modification outstanding recorded investment | 701,000 |  | 713,000 |  |
Specific reserves for TDR loans - current period | 545,000 |  | 544,000 |  |
Commercial Other [Member] | Strong 1 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 284,000 | 467,000 | 284,000 | 467,000 | 465,000
Commercial Other [Member] | Above Average 2 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 4,601,000 | 3,657,000 | 4,601,000 | 3,657,000 | 4,229,000
Commercial Other [Member] | Satisfactory 3 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 13,541,000 | 15,714,000 | 13,541,000 | 15,714,000 | 10,981,000
Commercial Other [Member] | Average 4 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 32,700,000 | 41,208,000 | 32,700,000 | 41,208,000 | 31,600,000
Commercial Other [Member] | Watch 5 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 21,147,000 | 15,042,000 | 21,147,000 | 15,042,000 | 17,893,000
Commercial Other [Member] | OAEM 6 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 4,357,000 | 6,338,000 | 4,357,000 | 6,338,000 | 5,303,000
Commercial Other [Member] | Substandard 7 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 11,111,000 | 20,067,000 | 11,111,000 | 20,067,000 | 16,362,000
Commercial Other [Member] | Doubtful 8 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 92,000 | 6,000 | 92,000 | 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 | 932,000 | 857,000 | 932,000 | 857,000 | 402,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 402,000
Ending balance | 932,000 | 857,000 | 932,000 | 857,000 | 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 | 935,000 | 962,000 | 935,000 | 962,000 | 883,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 883,000
Ending balance | 935,000 | 962,000 | 935,000 | 962,000 | 883,000
Commercial Other [Member] | Reserve for Qualitative Factors [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Allowance for loan losses | 609,000 | 1,504,000 | 609,000 | 1,504,000 | 778,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 778,000
Ending balance | 609,000 | 1,504,000 | 609,000 | 1,504,000 | 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 | 19,000 | 19,000 | 19,000 | 19,000 |
Commercial and municipal risk-rated loans receivable | 16,089,000 | 19,974,000 | 16,089,000 | 19,974,000 | 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 | 0 | 0 | 0 | 0 |
Ending balance | 19,000 | 19,000 | 19,000 | 19,000 |
Ending balance specifically evaluated for impairment | 0 | 0 | 0 | 0 | 0
Ending balance collectively evaluated for impairment | 19,000 | 19,000 | 19,000 | 19,000 | 19,000
Related loan balances |  |  |  |  |
Ending balance | 16,089,000 | 19,974,000 | 16,089,000 | 19,974,000 | 16,221,000
Ending balance specifically evaluated for impairment | 0 | 0 | 0 | 0 | 0
Ending balance collectively evaluated for impairment | 16,089,000 | 19,974,000 | 16,089,000 | 19,974,000 | 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 | 1,822,000 | 2,341,000 | 1,822,000 | 2,341,000 | 2,158,000
Municipal [Member] | Above Average 2 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 7,933,000 | 10,772,000 | 7,933,000 | 10,772,000 | 7,509,000
Municipal [Member] | Satisfactory 3 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 3,770,000 | 3,985,000 | 3,770,000 | 3,985,000 | 3,861,000
Municipal [Member] | Average 4 [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Commercial and municipal risk-rated loans receivable | 2,564,000 | 2,876,000 | 2,564,000 | 2,876,000 | 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 | 19,000 | 19,000 | 19,000 | 19,000 | 19,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 19,000
Ending balance | 19,000 | 19,000 | 19,000 | 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 | 1,587,000 | 1,356,000 | 1,587,000 | 1,356,000 |
Allowance for loan losses |  |  |  |  |
Beginning balance | 1,236,000 | 1,405,000 | 1,159,000 | 1,408,000 |
Charge offs | 136,000 | 240,000 | 375,000 | 697,000 |
Recoveries | 1,000 | 1,000 | 2,000 | 4,000 |
Provision | 486,000 | 190,000 | 801,000 | 641,000 |
Ending balance | 1,587,000 | 1,356,000 | 1,587,000 | 1,356,000 |
Ending balance specifically evaluated for impairment | 966,000 | 265,000 | 966,000 | 265,000 | 478,000
Ending balance collectively evaluated for impairment | 621,000 | 1,091,000 | 621,000 | 1,091,000 | 681,000
Related loan balances |  |  |  |  |
Ending balance | 368,876,000 | 335,807,000 | 368,876,000 | 335,807,000 | 341,286,000
Ending balance specifically evaluated for impairment | 19,052,000 | 16,191,000 | 19,052,000 | 16,191,000 | 16,821,000
Ending balance collectively evaluated for impairment | 349,824,000 | 319,616,000 | 349,824,000 | 319,616,000 | 324,465,000
Total number of TDR loans | 48 |  | 48 |  |
Number of TDR loans past due | 9 |  | 9 |  |
Balance of total TDR loans | 10,681,000 |  | 10,681,000 |  |
Balance of TDR loans past due | 2,038,000 |  | 2,038,000 |  |
Specific reserves for total TDR loans | 327,000 |  | 327,000 |  |
Specific reserves for past due TDR loans | 92,000 |  | 92,000 |  |
Number of TDR loans - current period | 3 |  | 7 |  |
Pre-modification outstanding recorded investment | 855,000 |  | 1,411,000 |  |
Post-modification outstanding recorded investment | 855,000 |  | 1,411,000 |  |
Specific reserves for TDR loans - current period | 61,000 |  | 76,000 |  |
Residential Term [Member] | Specific Reserves Evaluated Individually for Impairment [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Allowance for loan losses | 966,000 | 265,000 | 966,000 | 265,000 | 478,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 478,000
Ending balance | 966,000 | 265,000 | 966,000 | 265,000 | 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 | 165,000 | 505,000 | 165,000 | 505,000 | 222,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 222,000
Ending balance | 165,000 | 505,000 | 165,000 | 505,000 | 222,000
Residential Term [Member] | Reserve for Qualitative Factors [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Allowance for loan losses | 456,000 | 586,000 | 456,000 | 586,000 | 459,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 459,000
Ending balance | 456,000 | 586,000 | 456,000 | 586,000 | 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 | 58,000 | 35,000 | 58,000 | 35,000 |
Allowance for loan losses |  |  |  |  |
Beginning balance | 59,000 | 146,000 | 255,000 | 44,000 |
Charge offs | 118,000 | 0 | 118,000 | 505,000 |
Recoveries | 0 | 0 | 0 | 0 |
Provision | 117,000 | (111,000) | (79,000) | 496,000 |
Ending balance | 58,000 | 35,000 | 58,000 | 35,000 |
Ending balance specifically evaluated for impairment | 48,000 | 0 | 48,000 | 0 | 235,000
Ending balance collectively evaluated for impairment | 10,000 | 35,000 | 10,000 | 35,000 | 20,000
Related loan balances |  |  |  |  |
Ending balance | 6,449,000 | 11,063,000 | 6,449,000 | 11,063,000 | 10,469,000
Ending balance specifically evaluated for impairment | 1,336,000 | 334,000 | 1,336,000 | 334,000 | 1,198,000
Ending balance collectively evaluated for impairment | 5,113,000 | 10,729,000 | 5,113,000 | 10,729,000 | 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 | 48,000 | 0 | 48,000 | 0 | 235,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 235,000
Ending balance | 48,000 | 0 | 48,000 | 0 | 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 | 2,000 | 16,000 | 2,000 | 16,000 | 6,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 6,000
Ending balance | 2,000 | 16,000 | 2,000 | 16,000 | 6,000
Residential Construction [Member] | Reserve for Qualitative Factors [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Allowance for loan losses | 8,000 | 19,000 | 8,000 | 19,000 | 14,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 14,000
Ending balance | 8,000 | 19,000 | 8,000 | 19,000 | 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 | 603,000 | 664,000 | 603,000 | 664,000 |
Allowance for loan losses |  |  |  |  |
Beginning balance | 568,000 | 713,000 | 584,000 | 646,000 |
Charge offs | 96,000 | 69,000 | 276,000 | 169,000 |
Recoveries | 44,000 | 86,000 | 119,000 | 158,000 |
Provision | 87,000 | (66,000) | 176,000 | 29,000 |
Ending balance | 603,000 | 664,000 | 603,000 | 664,000 |
Ending balance specifically evaluated for impairment | 11,000 | 65,000 | 11,000 | 65,000 | 11,000
Ending balance collectively evaluated for impairment | 592,000 | 599,000 | 592,000 | 599,000 | 573,000
Related loan balances |  |  |  |  |
Ending balance | 15,613,000 | 17,639,000 | 15,613,000 | 17,639,000 | 16,788,000
Ending balance specifically evaluated for impairment | 16,000 | 103,000 | 16,000 | 103,000 | 53,000
Ending balance collectively evaluated for impairment | 15,597,000 | 17,536,000 | 15,597,000 | 17,536,000 | 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 | 11,000 | 65,000 | 11,000 | 65,000 | 11,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 11,000
Ending balance | 11,000 | 65,000 | 11,000 | 65,000 | 11,000
Consumer [Member] | General Reserves Based on Historical Loss Experience [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Allowance for loan losses | 351,000 | 264,000 | 351,000 | 264,000 | 331,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 331,000
Ending balance | 351,000 | 264,000 | 351,000 | 264,000 | 331,000
Consumer [Member] | Reserve for Qualitative Factors [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Allowance for loan losses | 241,000 | 335,000 | 241,000 | 335,000 | 242,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 242,000
Ending balance | 241,000 | 335,000 | 241,000 | 335,000 | 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 | 1,895,000 | 1,356,000 | 1,895,000 | 1,356,000 |
Allowance for loan losses |  |  |  |  |
Beginning balance | 1,699,000 | 1,555,000 | 2,008,000 | 1,880,000 |
Charge offs | 0 | 0 | 0 | 0 |
Recoveries | 0 | 0 | 0 | 0 |
Provision | 196,000 | (199,000) | (113,000) | (524,000) |
Ending balance | 1,895,000 | 1,356,000 | 1,895,000 | 1,356,000 |
Ending balance specifically evaluated for impairment | 0 | 0 | 0 | 0 | 0
Ending balance collectively evaluated for impairment | 1,895,000 | 1,356,000 | 1,895,000 | 1,356,000 | 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 | 1,965,000 | 0 | 1,965,000 | 0
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 0
Ending balance | 0 | 1,965,000 | 0 | 1,965,000 | 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 | 4,569,000 | 0 | 4,569,000 | 0
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 0
Ending balance | 0 | 4,569,000 | 0 | 4,569,000 | 0
Unallocated Financing Receivables [Member] | Reserve for Qualitative Factors [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Allowance for loan losses | 0 | 7,144,000 | 0 | 7,144,000 | 0
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 0
Ending balance | 0 | 7,144,000 | 0 | 7,144,000 | 0
Unallocated Financing Receivables [Member] | Unallocated Reserves [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Allowance for loan losses | 1,895,000 | 1,356,000 | 1,895,000 | 1,356,000 | 2,008,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 2,008,000
Ending balance | 1,895,000 | 1,356,000 | 1,895,000 | 1,356,000 | 2,008,000
Home Equity Line Of Credit [Member] |  |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |  |
Allowance for loan losses | 809,000 | 652,000 | 809,000 | 652,000 |
Allowance for loan losses |  |  |  |  |
Beginning balance | 682,000 | 678,000 | 595,000 | 670,000 |
Charge offs | 0 | 44,000 | 49,000 | 45,000 |
Recoveries | 0 | 1,000 | 0 | 1,000 |
Provision | 127,000 | 17,000 | 263,000 | 26,000 |
Ending balance | 809,000 | 652,000 | 809,000 | 652,000 |
Ending balance specifically evaluated for impairment | 300,000 | 165,000 | 300,000 | 165,000 | 91,000
Ending balance collectively evaluated for impairment | 509,000 | 487,000 | 509,000 | 487,000 | 504,000
Related loan balances |  |  |  |  |
Ending balance | 100,689,000 | 107,224,000 | 100,689,000 | 107,224,000 | 105,244,000
Ending balance specifically evaluated for impairment | 1,456,000 | 740,000 | 1,456,000 | 740,000 | 1,163,000
Ending balance collectively evaluated for impairment | 99,233,000 | 106,484,000 | 99,233,000 | 106,484,000 | 104,081,000
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 |  |
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 | 300,000 | 165,000 | 300,000 | 165,000 | 91,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 91,000
Ending balance | 300,000 | 165,000 | 300,000 | 165,000 | 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 | 155,000 | 85,000 | 155,000 | 85,000 | 149,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 149,000
Ending balance | 155,000 | 85,000 | 155,000 | 85,000 | 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 | 354,000 | 402,000 | 354,000 | 402,000 | 355,000
Allowance for loan losses |  |  |  |  |
Beginning balance |  |  |  |  | 355,000
Ending balance | 354,000 | 402,000 | 354,000 | 402,000 | 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
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Namespace Prefix: | fnlc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- 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
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- 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

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- 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
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 114 -Paragraph 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 9 -Section 03 -Paragraph 7 -Subparagraph d Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6965416&loc=d3e5212-111524 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 114 -Paragraph 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 9 -Section 03 -Paragraph 7 -Subparagraph d Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6965416&loc=d3e5212-111524 + Details
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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953423-111524 -Subparagraph (g) + Details
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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953423-111524 -Subparagraph (g) + Details
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- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953423-111524 -Subparagraph (h) + Details
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- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953670-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953676-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6951948&loc=d3e18845-111554 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 8 -Subparagraph a(ii) -Subsection I -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section L -Subsection 1 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 114 -Paragraph 20 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 9 -Section 03 -Paragraph 7 -Subparagraph d Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 8, 9 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6965416&loc=d3e5074-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6375948&loc=d3e4428-111522 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 01-6 -Paragraph 13 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Chapter 8 -Paragraph 116 -IssueDate 2006-05-01 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 8 -Subparagraph e -Subsection I -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. + Details
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