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Loans (Details) (USD $) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011 | Dec. 31, 2011
Composition of Loan Portfolio [Abstract] |  |  |  |  |
Amount of loan portfolio | $ 881,814,000 | $ 886,929,000 | $ 881,814,000 | $ 886,929,000 | $ 864,988,000
Percentage of loan portfolio (in hundredths) | 100.00% | 100.00% | 100.00% | 100.00% | 100.00%
Net deferred loan costs included in loan balances | 1,664,000 | 1,365,000 | 1,664,000 | 1,365,000 | 1,386,000
Loans used to collateralize borrowings from the Federal Home Loan Bank of Boston | 243,196,000 | 180,839,000 | 243,196,000 | 180,839,000 | 211,597,000
Commercial, construction and home equity loans used to collateralize unused line of credit at the Federal Reserve Bank of Boston | 232,598,000 | 329,677,000 | 232,598,000 | 329,677,000 | 218,417,000
Loans, aging disclosure [Abstract] |  |  |  |  |
30-89 Days Past Due | 6,045,000 | 10,107,000 | 6,045,000 | 10,107,000 | 8,619,000
90 Plus Days Past Due | 13,995,000 | 16,046,000 | 13,995,000 | 16,046,000 | 17,978,000
All Past Due | 20,040,000 | 26,153,000 | 20,040,000 | 26,153,000 | 26,597,000
Current | 861,774,000 | 860,776,000 | 861,774,000 | 860,776,000 | 838,391,000
Total | 881,814,000 | 886,929,000 | 881,814,000 | 886,929,000 | 864,988,000
90 Plus Days And Accruing | 164,000 | 355,000 | 164,000 | 355,000 | 1,170,000
Nonaccrual Loans [Abstract] |  |  |  |  |
Nonaccrual Loans Receivable | 21,958,000 | 22,049,000 | 21,958,000 | 22,049,000 | 27,806,000
Recorded Investment | 43,374,000 | 26,981,000 | 43,374,000 | 26,981,000 | 42,120,000
Unpaid Principal, Impaired Loans | 43,374,000 | 26,981,000 | 43,374,000 | 26,981,000 | 42,120,000
Allowance for loan losses | 4,177,000 | 1,965,000 | 4,177,000 | 1,965,000 | 2,058,000
Average Recorded Investment | 44,170,000 | 26,330,000 | 42,883,000 | 26,612,000 | 28,777,000
Recognized Interest Income | 270,000 | 150,000 | 422,000 | 301,000 | 598,000
Balance of impaired loans | 43,374,000 | 26,981,000 | 43,374,000 | 26,981,000 | 42,120,000
Allowance for loan losses | 4,177,000 | 1,965,000 | 4,177,000 | 1,965,000 | 2,058,000
With No Related Allowance Recorded [Member] |  |  |  |  |
Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded Investment | 24,463,000 | 19,368,000 | 24,463,000 | 19,368,000 | 27,897,000
Unpaid Principal, Impaired Loans | 24,463,000 | 19,368,000 | 24,463,000 | 19,368,000 | 27,897,000
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
Average Recorded Investment | 25,951,000 | 18,279,000 | 25,934,000 | 17,941,000 | 19,341,000
Recognized Interest Income | 146,000 | 62,000 | 224,000 | 125,000 | 248,000
Balance of impaired loans | 24,463,000 | 19,368,000 | 24,463,000 | 19,368,000 | 27,897,000
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
With an Allowance Recorded [Member] |  |  |  |  |
Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded Investment | 18,911,000 | 7,613,000 | 18,911,000 | 7,613,000 | 14,223,000
Unpaid Principal, Impaired Loans | 18,911,000 | 7,613,000 | 18,911,000 | 7,613,000 | 14,223,000
Allowance for loan losses | 4,177,000 | 1,965,000 | 4,177,000 | 1,965,000 | 2,058,000
Average Recorded Investment | 18,219,000 | 8,058,000 | 16,949,000 | 8,671,000 | 9,436,000
Recognized Interest Income | 124,000 | 88,000 | 198,000 | 176,000 | 350,000
Balance of impaired loans | 18,911,000 | 7,613,000 | 18,911,000 | 7,613,000 | 14,223,000
Allowance for loan losses | 4,177,000 | 1,965,000 | 4,177,000 | 1,965,000 | 2,058,000
Commercial Real Estate [Member] |  |  |  |  |
Composition of Loan Portfolio [Abstract] |  |  |  |  |
Amount of loan portfolio | 253,193,000 | 263,337,000 | 253,193,000 | 263,337,000 | 255,424,000
Percentage of loan portfolio (in hundredths) | 28.70% | 29.70% | 28.70% | 29.70% | 29.50%
Loans, aging disclosure [Abstract] |  |  |  |  |
30-89 Days Past Due | 13,000 | 2,227,000 | 13,000 | 2,227,000 | 2,872,000
90 Plus Days Past Due | 1,858,000 | 4,051,000 | 1,858,000 | 4,051,000 | 3,992,000
All Past Due | 1,871,000 | 6,278,000 | 1,871,000 | 6,278,000 | 6,864,000
Current | 251,322,000 | 257,059,000 | 251,322,000 | 257,059,000 | 248,560,000
Total | 253,193,000 | 263,337,000 | 253,193,000 | 263,337,000 | 255,424,000
90 Plus Days And Accruing | 0 | 0 | 0 | 0 | 0
Nonaccrual Loans [Abstract] |  |  |  |  |
Nonaccrual Loans Receivable | 5,545,000 | 6,746,000 | 5,545,000 | 6,746,000 | 7,064,000
Recorded Investment | 13,795,000 | 6,746,000 | 13,795,000 | 6,746,000 | 10,141,000
Unpaid Principal, Impaired Loans | 13,795,000 | 6,746,000 | 13,795,000 | 6,746,000 | 10,141,000
Allowance for loan losses | 1,133,000 | 613,000 | 1,133,000 | 613,000 | 808,000
Average Recorded Investment | 14,788,000 | 7,521,000 | 13,755,000 | 7,172,000 | 7,519,000
Recognized Interest Income | 77,000 | 32,000 | 127,000 | 64,000 | 126,000
Balance of impaired loans | 13,795,000 | 6,746,000 | 13,795,000 | 6,746,000 | 10,141,000
Allowance for loan losses | 1,133,000 | 613,000 | 1,133,000 | 613,000 | 808,000
Commercial Real Estate [Member] | With No Related Allowance Recorded [Member] |  |  |  |  |
Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded Investment | 10,313,000 | 5,841,000 | 10,313,000 | 5,841,000 | 5,584,000
Unpaid Principal, Impaired Loans | 10,313,000 | 5,841,000 | 10,313,000 | 5,841,000 | 5,584,000
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
Average Recorded Investment | 11,013,000 | 5,738,000 | 9,729,000 | 5,151,000 | 5,212,000
Recognized Interest Income | 71,000 | 6,000 | 111,000 | 12,000 | 23,000
Balance of impaired loans | 10,313,000 | 5,841,000 | 10,313,000 | 5,841,000 | 5,584,000
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
Commercial Real Estate [Member] | With an Allowance Recorded [Member] |  |  |  |  |
Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded Investment | 3,482,000 | 905,000 | 3,482,000 | 905,000 | 4,557,000
Unpaid Principal, Impaired Loans | 3,482,000 | 905,000 | 3,482,000 | 905,000 | 4,557,000
Allowance for loan losses | 1,133,000 | 613,000 | 1,133,000 | 613,000 | 808,000
Average Recorded Investment | 3,775,000 | 1,785,000 | 4,026,000 | 2,021,000 | 2,307,000
Recognized Interest Income | 6,000 | 26,000 | 16,000 | 52,000 | 103,000
Balance of impaired loans | 3,482,000 | 905,000 | 3,482,000 | 905,000 | 4,557,000
Allowance for loan losses | 1,133,000 | 613,000 | 1,133,000 | 613,000 | 808,000
Commercial Construction [Member] |  |  |  |  |
Composition of Loan Portfolio [Abstract] |  |  |  |  |
Amount of loan portfolio | 33,072,000 | 29,386,000 | 33,072,000 | 29,386,000 | 32,574,000
Percentage of loan portfolio (in hundredths) | 3.80% | 3.30% | 3.80% | 3.30% | 3.80%
Loans, aging disclosure [Abstract] |  |  |  |  |
30-89 Days Past Due | 119,000 | 117,000 | 119,000 | 117,000 | 174,000
90 Plus Days Past Due | 34,000 | 0 | 34,000 | 0 | 1,603,000
All Past Due | 153,000 | 117,000 | 153,000 | 117,000 | 1,777,000
Current | 32,919,000 | 29,269,000 | 32,919,000 | 29,269,000 | 30,797,000
Total | 33,072,000 | 29,386,000 | 33,072,000 | 29,386,000 | 32,574,000
90 Plus Days And Accruing | 0 | 0 | 0 | 0 | 0
Nonaccrual Loans [Abstract] |  |  |  |  |
Nonaccrual Loans Receivable | 521,000 | 771,000 | 521,000 | 771,000 | 2,350,000
Recorded Investment | 3,619,000 | 772,000 | 3,619,000 | 772,000 | 5,702,000
Unpaid Principal, Impaired Loans | 3,619,000 | 772,000 | 3,619,000 | 772,000 | 5,702,000
Allowance for loan losses | 787,000 | 0 | 787,000 | 0 | 33,000
Average Recorded Investment | 3,550,000 | 793,000 | 3,565,000 | 844,000 | 1,318,000
Recognized Interest Income | 50,000 | 36,000 | 63,000 | 72,000 | 143,000
Balance of impaired loans | 3,619,000 | 772,000 | 3,619,000 | 772,000 | 5,702,000
Allowance for loan losses | 787,000 | 0 | 787,000 | 0 | 33,000
Commercial Construction [Member] | With No Related Allowance Recorded [Member] |  |  |  |  |
Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded Investment | 1,464,000 | 772,000 | 1,464,000 | 772,000 | 5,172,000
Unpaid Principal, Impaired Loans | 1,464,000 | 772,000 | 1,464,000 | 772,000 | 5,172,000
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
Average Recorded Investment | 1,395,000 | 790,000 | 2,189,000 | 617,000 | 1,072,000
Recognized Interest Income | 13,000 | 36,000 | 26,000 | 72,000 | 143,000
Balance of impaired loans | 1,464,000 | 772,000 | 1,464,000 | 772,000 | 5,172,000
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
Commercial Construction [Member] | With an Allowance Recorded [Member] |  |  |  |  |
Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded Investment | 2,155,000 | 0 | 2,155,000 | 0 | 530,000
Unpaid Principal, Impaired Loans | 2,155,000 | 0 | 2,155,000 | 0 | 530,000
Allowance for loan losses | 787,000 | 0 | 787,000 | 0 | 33,000
Average Recorded Investment | 2,155,000 | 3,000 | 1,376,000 | 227,000 | 247,000
Recognized Interest Income | 37,000 | 0 | 37,000 | 0 | 0
Balance of impaired loans | 2,155,000 | 0 | 2,155,000 | 0 | 530,000
Allowance for loan losses | 787,000 | 0 | 787,000 | 0 | 33,000
Commercial Other [Member] |  |  |  |  |
Composition of Loan Portfolio [Abstract] |  |  |  |  |
Amount of loan portfolio | 87,833,000 | 102,499,000 | 87,833,000 | 102,499,000 | 86,982,000
Percentage of loan portfolio (in hundredths) | 10.00% | 11.60% | 10.00% | 11.60% | 10.10%
Loans, aging disclosure [Abstract] |  |  |  |  |
30-89 Days Past Due | 443,000 | 544,000 | 443,000 | 544,000 | 1,431,000
90 Plus Days Past Due | 1,398,000 | 997,000 | 1,398,000 | 997,000 | 1,192,000
All Past Due | 1,841,000 | 1,541,000 | 1,841,000 | 1,541,000 | 2,623,000
Current | 85,992,000 | 100,958,000 | 85,992,000 | 100,958,000 | 84,359,000
Total | 87,833,000 | 102,499,000 | 87,833,000 | 102,499,000 | 86,982,000
90 Plus Days And Accruing | 0 | 38,000 | 0 | 38,000 | 52,000
Nonaccrual Loans [Abstract] |  |  |  |  |
Nonaccrual Loans Receivable | 2,361,000 | 2,095,000 | 2,361,000 | 2,095,000 | 5,784,000
Recorded Investment | 4,100,000 | 2,095,000 | 4,100,000 | 2,095,000 | 7,042,000
Unpaid Principal, Impaired Loans | 4,100,000 | 2,095,000 | 4,100,000 | 2,095,000 | 7,042,000
Allowance for loan losses | 932,000 | 857,000 | 932,000 | 857,000 | 402,000
Average Recorded Investment | 4,241,000 | 1,816,000 | 4,723,000 | 1,770,000 | 2,600,000
Recognized Interest Income | 34,000 | 12,000 | 34,000 | 24,000 | 47,000
Balance of impaired loans | 4,100,000 | 2,095,000 | 4,100,000 | 2,095,000 | 7,042,000
Allowance for loan losses | 932,000 | 857,000 | 932,000 | 857,000 | 402,000
Commercial Other [Member] | With No Related Allowance Recorded [Member] |  |  |  |  |
Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded Investment | 2,249,000 | 1,056,000 | 2,249,000 | 1,056,000 | 6,022,000
Unpaid Principal, Impaired Loans | 2,249,000 | 1,056,000 | 2,249,000 | 1,056,000 | 6,022,000
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
Average Recorded Investment | 2,439,000 | 1,064,000 | 2,710,000 | 1,118,000 | 1,918,000
Recognized Interest Income | 21,000 | 7,000 | 16,000 | 14,000 | 28,000
Balance of impaired loans | 2,249,000 | 1,056,000 | 2,249,000 | 1,056,000 | 6,022,000
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
Commercial Other [Member] | With an Allowance Recorded [Member] |  |  |  |  |
Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded Investment | 1,851,000 | 1,039,000 | 1,851,000 | 1,039,000 | 1,020,000
Unpaid Principal, Impaired Loans | 1,851,000 | 1,039,000 | 1,851,000 | 1,039,000 | 1,020,000
Allowance for loan losses | 932,000 | 857,000 | 932,000 | 857,000 | 402,000
Average Recorded Investment | 1,802,000 | 754,000 | 2,013,000 | 652,000 | 681,000
Recognized Interest Income | 13,000 | 5,000 | 18,000 | 10,000 | 19,000
Balance of impaired loans | 1,851,000 | 1,039,000 | 1,851,000 | 1,039,000 | 1,020,000
Allowance for loan losses | 932,000 | 857,000 | 932,000 | 857,000 | 402,000
Municipal [Member] |  |  |  |  |
Composition of Loan Portfolio [Abstract] |  |  |  |  |
Amount of loan portfolio | 16,089,000 | 19,974,000 | 16,089,000 | 19,974,000 | 16,221,000
Percentage of loan portfolio (in hundredths) | 1.80% | 2.30% | 1.80% | 2.30% | 1.90%
Loans, aging disclosure [Abstract] |  |  |  |  |
30-89 Days Past Due | 1,560,000 | 0 | 1,560,000 | 0 | 0
90 Plus Days Past Due | 0 | 0 | 0 | 0 | 0
All Past Due | 1,560,000 | 0 | 1,560,000 | 0 | 0
Current | 14,529,000 | 19,974,000 | 14,529,000 | 19,974,000 | 16,221,000
Total | 16,089,000 | 19,974,000 | 16,089,000 | 19,974,000 | 16,221,000
90 Plus Days And Accruing | 0 | 0 | 0 | 0 | 0
Nonaccrual Loans [Abstract] |  |  |  |  |
Nonaccrual Loans Receivable | 0 | 0 | 0 | 0 | 0
Recorded Investment | 0 | 0 | 0 | 0 | 0
Unpaid Principal, Impaired Loans | 0 | 0 | 0 | 0 | 0
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
Average Recorded Investment | 0 | 0 | 0 | 0 | 0
Recognized Interest Income | 0 | 0 | 0 | 0 | 0
Balance of impaired loans | 0 | 0 | 0 | 0 | 0
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
Municipal [Member] | With No Related Allowance Recorded [Member] |  |  |  |  |
Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded Investment | 0 | 0 | 0 | 0 | 0
Unpaid Principal, Impaired Loans | 0 | 0 | 0 | 0 | 0
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
Average Recorded Investment | 0 | 0 | 0 | 0 | 0
Recognized Interest Income | 0 | 0 | 0 | 0 | 0
Balance of impaired loans | 0 | 0 | 0 | 0 | 0
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
Municipal [Member] | With an Allowance Recorded [Member] |  |  |  |  |
Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded Investment | 0 | 0 | 0 | 0 | 0
Unpaid Principal, Impaired Loans | 0 | 0 | 0 | 0 | 0
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
Average Recorded Investment | 0 | 0 | 0 | 0 | 0
Recognized Interest Income | 0 | 0 | 0 | 0 | 0
Balance of impaired loans | 0 | 0 | 0 | 0 | 0
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
Residential Term [Member] |  |  |  |  |
Composition of Loan Portfolio [Abstract] |  |  |  |  |
Amount of loan portfolio | 368,876,000 | 335,807,000 | 368,876,000 | 335,807,000 | 341,286,000
Percentage of loan portfolio (in hundredths) | 41.80% | 37.90% | 41.80% | 37.90% | 39.50%
Loans, aging disclosure [Abstract] |  |  |  |  |
30-89 Days Past Due | 3,191,000 | 6,093,000 | 3,191,000 | 6,093,000 | 3,331,000
90 Plus Days Past Due | 7,878,000 | 9,916,000 | 7,878,000 | 9,916,000 | 8,843,000
All Past Due | 11,069,000 | 16,009,000 | 11,069,000 | 16,009,000 | 12,174,000
Current | 357,807,000 | 319,798,000 | 357,807,000 | 319,798,000 | 329,112,000
Total | 368,876,000 | 335,807,000 | 368,876,000 | 335,807,000 | 341,286,000
90 Plus Days And Accruing | 0 | 309,000 | 0 | 309,000 | 1,118,000
Nonaccrual Loans [Abstract] |  |  |  |  |
Nonaccrual Loans Receivable | 10,723,000 | 11,260,000 | 10,723,000 | 11,260,000 | 10,194,000
Recorded Investment | 19,052,000 | 16,191,000 | 19,052,000 | 16,191,000 | 16,821,000
Unpaid Principal, Impaired Loans | 19,052,000 | 16,191,000 | 19,052,000 | 16,191,000 | 16,821,000
Allowance for loan losses | 966,000 | 265,000 | 966,000 | 265,000 | 478,000
Average Recorded Investment | 18,847,000 | 14,761,000 | 18,149,000 | 14,211,000 | 15,121,000
Recognized Interest Income | 109,000 | 70,000 | 198,000 | 141,000 | 282,000
Balance of impaired loans | 19,052,000 | 16,191,000 | 19,052,000 | 16,191,000 | 16,821,000
Allowance for loan losses | 966,000 | 265,000 | 966,000 | 265,000 | 478,000
Residential Term [Member] | With No Related Allowance Recorded [Member] |  |  |  |  |
Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded Investment | 8,695,000 | 10,818,000 | 8,695,000 | 10,818,000 | 9,875,000
Unpaid Principal, Impaired Loans | 8,695,000 | 10,818,000 | 8,695,000 | 10,818,000 | 9,875,000
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
Average Recorded Investment | 9,322,000 | 9,785,000 | 9,662,000 | 8,957,000 | 9,493,000
Recognized Interest Income | 41,000 | 13,000 | 71,000 | 27,000 | 54,000
Balance of impaired loans | 8,695,000 | 10,818,000 | 8,695,000 | 10,818,000 | 9,875,000
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
Residential Term [Member] | With an Allowance Recorded [Member] |  |  |  |  |
Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded Investment | 10,357,000 | 5,373,000 | 10,357,000 | 5,373,000 | 6,946,000
Unpaid Principal, Impaired Loans | 10,357,000 | 5,373,000 | 10,357,000 | 5,373,000 | 6,946,000
Allowance for loan losses | 966,000 | 265,000 | 966,000 | 265,000 | 478,000
Average Recorded Investment | 9,525,000 | 4,978,000 | 8,487,000 | 5,254,000 | 5,628,000
Recognized Interest Income | 68,000 | 57,000 | 127,000 | 114,000 | 228,000
Balance of impaired loans | 10,357,000 | 5,373,000 | 10,357,000 | 5,373,000 | 6,946,000
Allowance for loan losses | 966,000 | 265,000 | 966,000 | 265,000 | 478,000
Residential Construction [Member] |  |  |  |  |
Composition of Loan Portfolio [Abstract] |  |  |  |  |
Amount of loan portfolio | 6,449,000 | 11,063,000 | 6,449,000 | 11,063,000 | 10,469,000
Percentage of loan portfolio (in hundredths) | 0.70% | 1.20% | 0.70% | 1.20% | 1.20%
Loans, aging disclosure [Abstract] |  |  |  |  |
30-89 Days Past Due | 0 | 0 | 0 | 0 | 0
90 Plus Days Past Due | 1,336,000 | 334,000 | 1,336,000 | 334,000 | 1,198,000
All Past Due | 1,336,000 | 334,000 | 1,336,000 | 334,000 | 1,198,000
Current | 5,113,000 | 10,729,000 | 5,113,000 | 10,729,000 | 9,271,000
Total | 6,449,000 | 11,063,000 | 6,449,000 | 11,063,000 | 10,469,000
90 Plus Days And Accruing | 0 | 0 | 0 | 0 | 0
Nonaccrual Loans [Abstract] |  |  |  |  |
Nonaccrual Loans Receivable | 1,336,000 | 334,000 | 1,336,000 | 334,000 | 1,198,000
Recorded Investment | 1,336,000 | 334,000 | 1,336,000 | 334,000 | 1,198,000
Unpaid Principal, Impaired Loans | 1,336,000 | 334,000 | 1,336,000 | 334,000 | 1,198,000
Allowance for loan losses | 48,000 | 0 | 48,000 | 0 | 235,000
Average Recorded Investment | 1,376,000 | 539,000 | 1,346,000 | 1,833,000 | 1,205,000
Recognized Interest Income | 0 | 0 | 0 | 0 | 0
Balance of impaired loans | 1,336,000 | 334,000 | 1,336,000 | 334,000 | 1,198,000
Allowance for loan losses | 48,000 | 0 | 48,000 | 0 | 235,000
Residential Construction [Member] | With No Related Allowance Recorded [Member] |  |  |  |  |
Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded Investment | 1,002,000 | 334,000 | 1,002,000 | 334,000 | 468,000
Unpaid Principal, Impaired Loans | 1,002,000 | 334,000 | 1,002,000 | 334,000 | 468,000
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
Average Recorded Investment | 1,042,000 | 348,000 | 880,000 | 1,641,000 | 961,000
Recognized Interest Income | 0 | 0 | 0 | 0 | 0
Balance of impaired loans | 1,002,000 | 334,000 | 1,002,000 | 334,000 | 468,000
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
Residential Construction [Member] | With an Allowance Recorded [Member] |  |  |  |  |
Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded Investment | 334,000 | 0 | 334,000 | 0 | 730,000
Unpaid Principal, Impaired Loans | 334,000 | 0 | 334,000 | 0 | 730,000
Allowance for loan losses | 48,000 | 0 | 48,000 | 0 | 235,000
Average Recorded Investment | 334,000 | 192,000 | 466,000 | 192,000 | 244,000
Recognized Interest Income |  | 0 | 0 | 0 | 0
Balance of impaired loans | 334,000 | 0 | 334,000 | 0 | 730,000
Allowance for loan losses | 48,000 | 0 | 48,000 | 0 | 235,000
Home equity line of credit [Member] |  |  |  |  |
Composition of Loan Portfolio [Abstract] |  |  |  |  |
Amount of loan portfolio | 100,689,000 | 107,224,000 | 100,689,000 | 107,224,000 | 105,244,000
Percentage of loan portfolio (in hundredths) | 11.40% | 12.00% | 11.40% | 12.00% | 12.10%
Loans, aging disclosure [Abstract] |  |  |  |  |
30-89 Days Past Due | 530,000 | 868,000 | 530,000 | 868,000 | 480,000
90 Plus Days Past Due | 1,311,000 | 740,000 | 1,311,000 | 740,000 | 1,134,000
All Past Due | 1,841,000 | 1,608,000 | 1,841,000 | 1,608,000 | 1,614,000
Current | 98,848,000 | 105,616,000 | 98,848,000 | 105,616,000 | 103,630,000
Total | 100,689,000 | 107,224,000 | 100,689,000 | 107,224,000 | 105,244,000
90 Plus Days And Accruing | 0 | 0 | 0 | 0 | 0
Nonaccrual Loans [Abstract] |  |  |  |  |
Nonaccrual Loans Receivable | 1,456,000 | 740,000 | 1,456,000 | 740,000 | 1,163,000
Recorded Investment | 1,456,000 | 740,000 | 1,456,000 | 740,000 | 1,163,000
Unpaid Principal, Impaired Loans | 1,456,000 | 740,000 | 1,456,000 | 740,000 | 1,163,000
Allowance for loan losses | 300,000 | 165,000 | 300,000 | 165,000 | 91,000
Average Recorded Investment | 1,353,000 | 797,000 | 1,324,000 | 673,000 | 918,000
Recognized Interest Income | 0 | 0 | 0 | 0 | 0
Balance of impaired loans | 1,456,000 | 740,000 | 1,456,000 | 740,000 | 1,163,000
Allowance for loan losses | 300,000 | 165,000 | 300,000 | 165,000 | 91,000
Home equity line of credit [Member] | With No Related Allowance Recorded [Member] |  |  |  |  |
Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded Investment | 740,000 | 509,000 | 740,000 | 509,000 | 739,000
Unpaid Principal, Impaired Loans | 740,000 | 509,000 | 740,000 | 509,000 | 739,000
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
Average Recorded Investment | 740,000 | 516,000 | 758,000 | 417,000 | 646,000
Recognized Interest Income | 0 | 0 | 0 | 0 | 0
Balance of impaired loans | 740,000 | 509,000 | 740,000 | 509,000 | 739,000
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
Home equity line of credit [Member] | With an Allowance Recorded [Member] |  |  |  |  |
Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded Investment | 716,000 | 231,000 | 716,000 | 231,000 | 424,000
Unpaid Principal, Impaired Loans | 716,000 | 231,000 | 716,000 | 231,000 | 424,000
Allowance for loan losses | 300,000 | 165,000 | 300,000 | 165,000 | 91,000
Average Recorded Investment | 613,000 | 281,000 | 566,000 | 256,000 | 272,000
Recognized Interest Income |  | 0 | 0 | 0 | 0
Balance of impaired loans | 716,000 | 231,000 | 716,000 | 231,000 | 424,000
Allowance for loan losses | 300,000 | 165,000 | 300,000 | 165,000 | 91,000
Consumer [Member] |  |  |  |  |
Composition of Loan Portfolio [Abstract] |  |  |  |  |
Amount of loan portfolio | 15,613,000 | 17,639,000 | 15,613,000 | 17,639,000 | 16,788,000
Percentage of loan portfolio (in hundredths) | 1.80% | 2.00% | 1.80% | 2.00% | 1.90%
Loans, aging disclosure [Abstract] |  |  |  |  |
30-89 Days Past Due | 189,000 | 258,000 | 189,000 | 258,000 | 331,000
90 Plus Days Past Due | 180,000 | 8,000 | 180,000 | 8,000 | 16,000
All Past Due | 369,000 | 266,000 | 369,000 | 266,000 | 347,000
Current | 15,244,000 | 17,373,000 | 15,244,000 | 17,373,000 | 16,441,000
Total | 15,613,000 | 17,639,000 | 15,613,000 | 17,639,000 | 16,788,000
90 Plus Days And Accruing | 164,000 | 8,000 | 164,000 | 8,000 | 0
Nonaccrual Loans [Abstract] |  |  |  |  |
Nonaccrual Loans Receivable | 16,000 | 103,000 | 16,000 | 103,000 | 53,000
Recorded Investment | 16,000 | 103,000 | 16,000 | 103,000 | 53,000
Unpaid Principal, Impaired Loans | 16,000 | 103,000 | 16,000 | 103,000 | 53,000
Allowance for loan losses | 11,000 | 65,000 | 11,000 | 65,000 | 11,000
Average Recorded Investment | 15,000 | 103,000 | 21,000 | 109,000 | 96,000
Recognized Interest Income | 0 | 0 | 0 | 0 | 0
Balance of impaired loans | 16,000 | 103,000 | 16,000 | 103,000 | 53,000
Allowance for loan losses | 11,000 | 65,000 | 11,000 | 65,000 | 11,000
Consumer [Member] | With No Related Allowance Recorded [Member] |  |  |  |  |
Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded Investment | 0 | 38,000 | 0 | 38,000 | 37,000
Unpaid Principal, Impaired Loans | 0 | 38,000 | 0 | 38,000 | 37,000
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
Average Recorded Investment | 0 | 38,000 | 6,000 | 40,000 | 39,000
Recognized Interest Income | 0 | 0 | 0 | 0 | 0
Balance of impaired loans | 0 | 38,000 | 0 | 38,000 | 37,000
Allowance for loan losses | 0 | 0 | 0 | 0 | 0
Consumer [Member] | With an Allowance Recorded [Member] |  |  |  |  |
Nonaccrual Loans [Abstract] |  |  |  |  |
Recorded Investment | 16,000 | 65,000 | 16,000 | 65,000 | 16,000
Unpaid Principal, Impaired Loans | 16,000 | 65,000 | 16,000 | 65,000 | 16,000
Allowance for loan losses | 11,000 | 65,000 | 11,000 | 65,000 | 11,000
Average Recorded Investment | 15,000 | 65,000 | 15,000 | 69,000 | 57,000
Recognized Interest Income |  | 0 | 0 | 0 | 0
Balance of impaired loans | 16,000 | 65,000 | 16,000 | 65,000 | 16,000
Allowance for loan losses | $ 11,000 | $ 65,000 | $ 11,000 | $ 65,000 | $ 11,000

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