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Loans (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 loan | Dec. 31, 2012 loan | Dec. 31, 2011
Schedule of Financing Receivables [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | 99 | 101 |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | $ 3,610 | $ 15,030 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | 3,604 | 14,657 |
Balance of total TDR loans | 29,098 | 29,955 |
Financing Receivable Modifications Number Of Contracts Greater Than30 Days Past Due Place In T D R In Previous12 Months | 16 | 12 |
Financing Receivable Recorded Investment Greater Than30 Days Past Due Placed In T D R In Previous12 Months | 3,261 | 2,413 |
Financing Receivable, Recorded Investment, Greater than 30 Days Past Due, Placed in T D R in Previous 12 months, Specific Allowance during Period | 37 | 67 |
Troubled Debt Restructuring, Loans and Leases Receivable, Specific Allowance During Period | 1,017 | 2,590 |
Financing Receivable Modifications Number Of Contracts During Period | 10 | 52 |
Financing Receivable, Loans Classified As Troubled Debt Restructurings That Are Involved In Bankruptcy | 1,690 |  |
Composition of Loan Portfolio [Abstract] |  |  |
Percentage of loan portfolio (in hundredths) | 100.00% | 100.00% |
Amount of loan portfolio | 876,367 | 869,284 | 864,988
Net deferred loan costs included in loan balances | 2,086 | 1,783 |
Loans used to collateralize borrowings from the Federal Home Loan Bank of Boston | 266,740 | 256,378 |
Commercial, construction and home equity loans used to collateralize unused line of credit at the Federal Reserve Bank of Boston | 189,728 | 220,520 |
Interest income which would have been recognized on these loans, if interest had been accrued | 917 | 1,158 | 1,052
Loans Receivable to Related Party [Roll Forward] |  |  |
Balance at beginning of year | 14,917 | 24,551 |
New loans | 909 | 275 |
Repayments | 942 | 9,909 |
Balance at end of year | 14,884 | 14,917 | 24,551
Loans, aging disclosure [Abstract] |  |  |
Loans Receivable 30 59 Days Past Due | 1,588 | 6,089 |
Loans Receivable 60 89 Days Past Due | 2,471 | 1,878 |
90 Plus Days Past Due | 11,933 | 15,200 |
All Past Due | 15,992 | 23,167 |
Current | 860,375 | 846,117 |
Ending balance | 876,367 | 869,284 | 864,988
90 Plus Days And Accruing | 1,043 | 1,051 |
Nonaccrual Loans [Abstract] |  |  |
Nonaccrual Loans Receivable | 16,318 | 19,150 |
Average investment in impaired loans | 45,722 | 45,019 | 28,777
Interest income recognized on impaired loans, all on cash basis | 1,750 | 1,039 | 598
Recorded Investment | 42,351 | 45,744 | 42,120
Unpaid Principal, Impaired Loans | 46,408 | 49,542 | 42,120
Allowance for loan losses | 2,461 | 3,539 | 2,058
Average Recorded Investment | 45,722 | 45,019 | 28,777
Recognized Interest Income | 1,750 | 1,039 | 598
Recorded Investment | 42,351 | 45,744 | 42,120
Less portion for which no allowance for loan losses is allocated | (32,417) | (28,282) |
Impaired Financing Receivable With Allowance | 9,934 | 17,462 |
Allowance for loan losses | 2,461 | 3,539 | 2,058
Financing Receivable Modifications Pre Modification Recorded Investment During Period | 3,610 | 15,030 |
Troubled Debt Restructuring, Loans and Leases Receivable, Specific Allowance Current Period | 31 | 1,769 |
Balance of loans classified as TDRs, greater than 30 days past due | 3,261 | 2,413 |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | 6 | 6 |
Loans classified as troubled debt restructurings that had been placed on TDR status in previous 12 months | 810 | 1,059 |
Financing Receivable Number Of Loans Classified As Troubled Debt Restructurings That Were On Non Accrual Status | 16 |  |
Financing Receivable Loans Classified As Troubled Debt Restructurings That Were On Non Accrual Status | 3,065 |  |
Number Of Loans Classified As Troubled Debt Restructurings That Are Involved In Foreclosure | 3 |  |
Loans Classified As Troubled Debt Restructurings That Are Involved In Foreclosure | 356 |  |
Due from Related Parties | 28,821 | 28,707 |
Commercial Real Estate Other Receivable |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | 20 | 23 |
Balance of total TDR loans | 2,734 | 3,074 |
Financing Receivable Modifications Number Of Contracts Greater Than30 Days Past Due Place In T D R In Previous12 Months | 2 | 0 |
Financing Receivable Recorded Investment Greater Than30 Days Past Due Placed In T D R In Previous12 Months | 355 | 0 |
Financing Receivable, Recorded Investment, Greater than 30 Days Past Due, Placed in T D R in Previous 12 months, Specific Allowance during Period | 0 | 0 |
Troubled Debt Restructuring, Loans and Leases Receivable, Specific Allowance During Period | 100 | 574 |
Commercial Real Estate |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | 20 | 18 |
Balance of total TDR loans | 13,018 | 11,961 |
Financing Receivable Modifications Number Of Contracts Greater Than30 Days Past Due Place In T D R In Previous12 Months | 2 | 3 |
Financing Receivable Recorded Investment Greater Than30 Days Past Due Placed In T D R In Previous12 Months | 990 | 760 |
Financing Receivable, Recorded Investment, Greater than 30 Days Past Due, Placed in T D R in Previous 12 months, Specific Allowance during Period | 0 | 0 |
Troubled Debt Restructuring, Loans and Leases Receivable, Specific Allowance During Period | 433 | 823 |
Commercial Construction |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | 1 | 3 |
Balance of total TDR loans | 1,284 | 3,319 |
Financing Receivable Modifications Number Of Contracts Greater Than30 Days Past Due Place In T D R In Previous12 Months | 0 | 0 |
Financing Receivable Recorded Investment Greater Than30 Days Past Due Placed In T D R In Previous12 Months | 0 | 0 |
Financing Receivable, Recorded Investment, Greater than 30 Days Past Due, Placed in T D R in Previous 12 months, Specific Allowance during Period | 0 | 0 |
Troubled Debt Restructuring, Loans and Leases Receivable, Specific Allowance During Period | 274 | 969 |
Municipal |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | 0 | 0 |
Balance of total TDR loans | 0 | 0 |
Troubled Debt Restructuring, Loans and Leases Receivable, Specific Allowance During Period | 0 | 0 |
Residential Term |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | 53 | 53 |
Balance of total TDR loans | 11,220 | 10,945 |
Financing Receivable Modifications Number Of Contracts Greater Than30 Days Past Due Place In T D R In Previous12 Months | 10 | 8 |
Financing Receivable Recorded Investment Greater Than30 Days Past Due Placed In T D R In Previous12 Months | 1,688 | 1,624 |
Financing Receivable, Recorded Investment, Greater than 30 Days Past Due, Placed in T D R in Previous 12 months, Specific Allowance during Period | 37 | 67 |
Troubled Debt Restructuring, Loans and Leases Receivable, Specific Allowance During Period | 210 | 224 |
Residential Construction |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | 0 | 0 |
Balance of total TDR loans | 0 | 0 |
Financing Receivable Modifications Number Of Contracts Greater Than30 Days Past Due Place In T D R In Previous12 Months | 0 | 0 |
Financing Receivable Recorded Investment Greater Than30 Days Past Due Placed In T D R In Previous12 Months | 0 | 0 |
Financing Receivable, Recorded Investment, Greater than 30 Days Past Due, Placed in T D R in Previous 12 months, Specific Allowance during Period | 0 | 0 |
Troubled Debt Restructuring, Loans and Leases Receivable, Specific Allowance During Period | 0 | 0 |
Home equity line of credit |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | 5 | 4 |
Balance of total TDR loans | 842 | 656 |
Financing Receivable Modifications Number Of Contracts Greater Than30 Days Past Due Place In T D R In Previous12 Months | 2 | 1 |
Financing Receivable Recorded Investment Greater Than30 Days Past Due Placed In T D R In Previous12 Months | 228 | 29 |
Financing Receivable, Recorded Investment, Greater than 30 Days Past Due, Placed in T D R in Previous 12 months, Specific Allowance during Period | 0 | 0 |
Troubled Debt Restructuring, Loans and Leases Receivable, Specific Allowance During Period | 0 | 0 |
Consumer |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Financing Receivable, Modifications, Number of Contracts | 0 | 0 |
Balance of total TDR loans | 0 | 0 |
Financing Receivable Modifications Number Of Contracts Greater Than30 Days Past Due Place In T D R In Previous12 Months | 0 | 0 |
Financing Receivable Recorded Investment Greater Than30 Days Past Due Placed In T D R In Previous12 Months | 0 | 0 |
Financing Receivable, Recorded Investment, Greater than 30 Days Past Due, Placed in T D R in Previous 12 months, Specific Allowance during Period | 0 | 0 |
Troubled Debt Restructuring, Loans and Leases Receivable, Specific Allowance During Period | 0 | 0 |
With No Related Allowance |  |  |
Nonaccrual Loans [Abstract] |  |  |
Average investment in impaired loans | 31,541 | 26,837 | 19,341
Recorded Investment | 32,417 | 28,282 | 27,897
Unpaid Principal, Impaired Loans | 36,119 | 31,303 | 27,897
Allowance for loan losses | 0 | 0 | 0
Average Recorded Investment | 31,541 | 26,837 | 19,341
Recognized Interest Income | 1,360 | 468 | 248
Recorded Investment | 32,417 | 28,282 | 27,897
Allowance for loan losses | 0 | 0 | 0
With an Allowance Recorded |  |  |
Nonaccrual Loans [Abstract] |  |  |
Average investment in impaired loans | 14,181 | 18,182 | 9,436
Recorded Investment | 9,934 | 17,462 | 14,223
Unpaid Principal, Impaired Loans | 10,289 | 18,239 | 14,223
Allowance for loan losses | 2,461 | 3,539 | 2,058
Average Recorded Investment | 14,181 | 18,182 | 9,436
Recognized Interest Income | 390 | 571 | 350
Recorded Investment | 9,934 | 17,462 | 14,223
Allowance for loan losses | 2,461 | 3,539 | 2,058
Commercial Other |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Financing Receivable, Modifications, Pre-Modification Recorded Investment |  | 1,903 |
Financing Receivable, Modifications, Post-Modification Recorded Investment |  | 1,887 |
Financing Receivable Modifications Number Of Contracts During Period |  | 19 |
Composition of Loan Portfolio [Abstract] |  |  |
Percentage of loan portfolio (in hundredths) | 10.90% | 9.30% |
Amount of loan portfolio | 95,289 | 81,183 | 86,982
Loans, aging disclosure [Abstract] |  |  |
Loans Receivable 30 59 Days Past Due | 544 | 658 |
Loans Receivable 60 89 Days Past Due | 128 | 218 |
90 Plus Days Past Due | 2,797 | 2,306 |
All Past Due | 3,469 | 3,182 |
Current | 91,820 | 78,001 |
Ending balance | 95,289 | 81,183 | 86,982
90 Plus Days And Accruing | 0 | 2 |
Nonaccrual Loans [Abstract] |  |  |
Nonaccrual Loans Receivable | 4,370 | 3,459 |
Average investment in impaired loans | 5,898 | 4,851 | 2,599
Recorded Investment | 6,698 | 5,861 | 7,042
Unpaid Principal, Impaired Loans | 8,441 | 6,471 | 7,042
Allowance for loan losses | 841 | 652 | 402
Average Recorded Investment | 5,898 | 4,851 | 2,599
Recognized Interest Income | 350 | 91 | 47
Recorded Investment | 6,698 | 5,861 | 7,042
Allowance for loan losses | 841 | 652 | 402
Troubled Debt Restructuring, Loans and Leases Receivable, Specific Allowance Current Period |  | 543 |
Commercial Other | With No Related Allowance |  |  |
Nonaccrual Loans [Abstract] |  |  |
Average investment in impaired loans | 4,265 | 2,877 | 1,918
Recorded Investment | 5,617 | 4,737 | 6,022
Unpaid Principal, Impaired Loans | 7,309 | 5,345 | 6,022
Allowance for loan losses | 0 | 0 | 0
Average Recorded Investment | 4,265 | 2,877 | 1,918
Recognized Interest Income | 322 | 53 | 28
Recorded Investment | 5,617 | 4,737 | 6,022
Allowance for loan losses | 0 | 0 | 0
Commercial Other | With an Allowance Recorded |  |  |
Nonaccrual Loans [Abstract] |  |  |
Average investment in impaired loans | 1,633 | 1,974 | 681
Recorded Investment | 1,081 | 1,124 | 1,020
Unpaid Principal, Impaired Loans | 1,132 | 1,126 | 1,020
Allowance for loan losses | 841 | 652 | 402
Average Recorded Investment | 1,633 | 1,974 | 681
Recognized Interest Income | 28 | 38 | 19
Recorded Investment | 1,081 | 1,124 | 1,020
Allowance for loan losses | 841 | 652 | 402
Commercial Real Estate Other Receivable |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | 491 |  |
Financing Receivable, Modifications, Post-Modification Recorded Investment | 491 |  |
Financing Receivable Modifications Number Of Contracts During Period | 2 |  |
Nonaccrual Loans [Abstract] |  |  |
Troubled Debt Restructuring, Loans and Leases Receivable, Specific Allowance Current Period | 0 |  |
Consumer Portfolio Segment |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | 0 | 0 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | 0 | 0 |
Financing Receivable Modifications Number Of Contracts During Period | 0 | 0 |
Composition of Loan Portfolio [Abstract] |  |  |
Amount of loan portfolio | 15,066 | 14,657 | 16,788
Loans, aging disclosure [Abstract] |  |  |
Ending balance | 15,066 | 14,657 | 16,788
Nonaccrual Loans [Abstract] |  |  |
Troubled Debt Restructuring, Loans and Leases Receivable, Specific Allowance Current Period | 0 | 0 |
Commercial Construction |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | 0 | 3,333 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | 0 | 3,319 |
Financing Receivable Modifications Number Of Contracts During Period | 0 | 3 |
Composition of Loan Portfolio [Abstract] |  |  |
Amount of loan portfolio | 20,382 | 22,417 | 32,574
Loans, aging disclosure [Abstract] |  |  |
Ending balance | 20,382 | 22,417 | 32,574
Nonaccrual Loans [Abstract] |  |  |
Troubled Debt Restructuring, Loans and Leases Receivable, Specific Allowance Current Period | 0 | 969 |
Commercial Real Estate Portfolio Segment |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | 1,883 | 7,149 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | 1,883 | 6,821 |
Financing Receivable Modifications Number Of Contracts During Period | 2 | 13 |
Composition of Loan Portfolio [Abstract] |  |  |
Amount of loan portfolio | 245,943 | 251,335 | 255,424
Loans, aging disclosure [Abstract] |  |  |
Ending balance | 245,943 | 251,335 | 255,424
Nonaccrual Loans [Abstract] |  |  |
Troubled Debt Restructuring, Loans and Leases Receivable, Specific Allowance Current Period | 0 | 180 |
Commercial Real Estate |  |  |
Composition of Loan Portfolio [Abstract] |  |  |
Percentage of loan portfolio (in hundredths) | 28.20% | 28.90% |
Amount of loan portfolio | 245,943 | 251,335 |
Loans, aging disclosure [Abstract] |  |  |
Loans Receivable 30 59 Days Past Due | 82 | 2,172 |
Loans Receivable 60 89 Days Past Due | 259 | 346 |
90 Plus Days Past Due | 745 | 2,380 |
All Past Due | 1,086 | 4,898 |
Current | 244,857 | 246,437 |
Ending balance | 245,943 | 251,335 |
90 Plus Days And Accruing | 0 | 102 |
Nonaccrual Loans [Abstract] |  |  |
Nonaccrual Loans Receivable | 2,457 | 4,603 |
Average investment in impaired loans | 16,773 | 14,716 | 7,519
Recorded Investment | 14,935 | 15,774 | 10,141
Unpaid Principal, Impaired Loans | 15,683 | 16,981 | 10,141
Allowance for loan losses | 890 | 1,523 | 808
Average Recorded Investment | 16,773 | 14,716 | 7,519
Recognized Interest Income | 645 | 410 | 126
Recorded Investment | 14,935 | 15,774 | 10,141
Allowance for loan losses | 890 | 1,523 | 808
Commercial Real Estate | With No Related Allowance |  |  |
Nonaccrual Loans [Abstract] |  |  |
Average investment in impaired loans | 11,100 | 10,102 | 5,212
Recorded Investment | 11,813 | 9,386 | 5,584
Unpaid Principal, Impaired Loans | 12,419 | 9,963 | 5,584
Allowance for loan losses | 0 | 0 | 0
Average Recorded Investment | 11,100 | 10,102 | 5,212
Recognized Interest Income | 495 | 199 | 23
Recorded Investment | 11,813 | 9,386 | 5,584
Allowance for loan losses | 0 | 0 | 0
Commercial Real Estate | With an Allowance Recorded |  |  |
Nonaccrual Loans [Abstract] |  |  |
Average investment in impaired loans | 5,673 | 4,614 | 2,307
Recorded Investment | 3,122 | 6,388 | 4,557
Unpaid Principal, Impaired Loans | 3,264 | 7,018 | 4,557
Allowance for loan losses | 890 | 1,523 | 808
Average Recorded Investment | 5,673 | 4,614 | 2,307
Recognized Interest Income | 150 | 211 | 103
Recorded Investment | 3,122 | 6,388 | 4,557
Allowance for loan losses | 890 | 1,523 | 808
Commercial Construction |  |  |
Composition of Loan Portfolio [Abstract] |  |  |
Percentage of loan portfolio (in hundredths) | 2.30% | 2.60% |
Amount of loan portfolio | 20,382 | 22,417 |
Loans, aging disclosure [Abstract] |  |  |
Loans Receivable 30 59 Days Past Due |  | 0 |
Loans Receivable 60 89 Days Past Due | 0 | 29 |
90 Plus Days Past Due | 0 | 35 |
All Past Due | 0 | 64 |
Current | 20,382 | 22,353 |
Ending balance | 20,382 | 22,417 |
90 Plus Days And Accruing | 0 | 0 |
Nonaccrual Loans [Abstract] |  |  |
Nonaccrual Loans Receivable | 0 | 101 |
Average investment in impaired loans | 1,997 | 4,349 | 1,319
Recorded Investment | 1,284 | 3,354 | 5,702
Unpaid Principal, Impaired Loans | 1,284 | 3,368 | 5,702
Allowance for loan losses | 272 | 969 | 33
Average Recorded Investment | 1,997 | 4,349 | 1,319
Recognized Interest Income | 48 | 85 | 143
Recorded Investment | 1,284 | 3,354 | 5,702
Allowance for loan losses | 272 | 969 | 33
Commercial Construction | With No Related Allowance |  |  |
Nonaccrual Loans [Abstract] |  |  |
Average investment in impaired loans | 202 | 2,533 | 1,072
Recorded Investment | 0 | 101 | 5,172
Unpaid Principal, Impaired Loans | 0 | 115 | 5,172
Allowance for loan losses | 0 | 0 | 0
Average Recorded Investment | 202 | 2,533 | 1,072
Recognized Interest Income | 0 | 0 | 143
Recorded Investment | 0 | 101 | 5,172
Allowance for loan losses | 0 | 0 | 0
Commercial Construction | With an Allowance Recorded |  |  |
Nonaccrual Loans [Abstract] |  |  |
Average investment in impaired loans | 1,795 | 1,816 | 247
Recorded Investment | 1,284 | 3,253 | 530
Unpaid Principal, Impaired Loans | 1,284 | 3,253 | 530
Allowance for loan losses | 272 | 969 | 33
Average Recorded Investment | 1,795 | 1,816 | 247
Recognized Interest Income | 48 | 85 | 0
Recorded Investment | 1,284 | 3,253 | 530
Allowance for loan losses | 272 | 969 | 33
Municipal |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | 0 | 0 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | 0 | 0 |
Financing Receivable Modifications Number Of Contracts Greater Than30 Days Past Due Place In T D R In Previous12 Months | 0 | 0 |
Financing Receivable Recorded Investment Greater Than30 Days Past Due Placed In T D R In Previous12 Months | 0 | 0 |
Financing Receivable, Recorded Investment, Greater than 30 Days Past Due, Placed in T D R in Previous 12 months, Specific Allowance during Period | 0 | 0 |
Financing Receivable Modifications Number Of Contracts During Period | 0 | 0 |
Composition of Loan Portfolio [Abstract] |  |  |
Percentage of loan portfolio (in hundredths) | 2.20% | 1.70% |
Amount of loan portfolio | 19,117 | 14,704 | 16,221
Loans, aging disclosure [Abstract] |  |  |
Loans Receivable 30 59 Days Past Due | 0 | 136 |
Loans Receivable 60 89 Days Past Due | 0 | 0 |
90 Plus Days Past Due | 0 | 0 |
All Past Due | 0 | 136 |
Current | 19,117 | 14,568 |
Ending balance | 19,117 | 14,704 | 16,221
90 Plus Days And Accruing | 0 | 0 |
Nonaccrual Loans [Abstract] |  |  |
Nonaccrual Loans Receivable | 0 | 0 |
Average investment in impaired loans | 0 | 0 | 0
Recorded Investment | 0 | 0 | 0
Unpaid Principal, Impaired Loans | 0 | 0 | 0
Allowance for loan losses | 0 | 0 | 0
Average Recorded Investment | 0 | 0 | 0
Recognized Interest Income | 0 | 0 | 0
Recorded Investment | 0 | 0 | 0
Allowance for loan losses | 0 | 0 | 0
Troubled Debt Restructuring, Loans and Leases Receivable, Specific Allowance Current Period | 0 | 0 |
Municipal | With No Related Allowance |  |  |
Nonaccrual Loans [Abstract] |  |  |
Average investment in impaired loans | 0 | 0 | 0
Recorded Investment | 0 | 0 | 0
Unpaid Principal, Impaired Loans | 0 | 0 | 0
Allowance for loan losses | 0 | 0 | 0
Average Recorded Investment | 0 | 0 | 0
Recognized Interest Income | 0 | 0 | 0
Recorded Investment | 0 | 0 | 0
Allowance for loan losses | 0 | 0 | 0
Municipal | With an Allowance Recorded |  |  |
Nonaccrual Loans [Abstract] |  |  |
Average investment in impaired loans | 0 | 0 | 0
Recorded Investment | 0 | 0 | 0
Unpaid Principal, Impaired Loans | 0 | 0 | 0
Allowance for loan losses | 0 | 0 | 0
Average Recorded Investment | 0 | 0 | 0
Recognized Interest Income | 0 | 0 | 0
Recorded Investment | 0 | 0 | 0
Allowance for loan losses | 0 | 0 | 0
Residential Term |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | 1,032 | 1,989 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | 1,029 | 1,974 |
Financing Receivable Modifications Number Of Contracts During Period | 5 | 13 |
Composition of Loan Portfolio [Abstract] |  |  |
Percentage of loan portfolio (in hundredths) | 43.00% | 43.70% |
Amount of loan portfolio | 377,218 | 379,447 | 341,286
Loans, aging disclosure [Abstract] |  |  |
Loans Receivable 30 59 Days Past Due | 229 | 2,404 |
Loans Receivable 60 89 Days Past Due | 1,913 | 1,082 |
90 Plus Days Past Due | 7,002 | 9,298 |
All Past Due | 9,144 | 12,784 |
Current | 368,074 | 366,663 |
Ending balance | 377,218 | 379,447 | 341,286
90 Plus Days And Accruing | 596 | 363 |
Nonaccrual Loans [Abstract] |  |  |
Nonaccrual Loans Receivable | 8,484 | 10,333 |
Average investment in impaired loans | 19,378 | 18,867 | 15,121
Recorded Investment | 17,786 | 19,444 | 16,821
Unpaid Principal, Impaired Loans | 19,116 | 21,282 | 16,821
Allowance for loan losses | 404 | 395 | 478
Average Recorded Investment | 19,378 | 18,867 | 15,121
Recognized Interest Income | 673 | 426 | 282
Recorded Investment | 17,786 | 19,444 | 16,821
Allowance for loan losses | 404 | 395 | 478
Troubled Debt Restructuring, Loans and Leases Receivable, Specific Allowance Current Period | 31 | 77 |
Residential Term | With No Related Allowance |  |  |
Nonaccrual Loans [Abstract] |  |  |
Average investment in impaired loans | 14,396 | 9,801 | 9,493
Recorded Investment | 13,432 | 12,747 | 9,875
Unpaid Principal, Impaired Loans | 14,600 | 14,440 | 9,875
Allowance for loan losses | 0 | 0 | 0
Average Recorded Investment | 14,396 | 9,801 | 9,493
Recognized Interest Income | 511 | 189 | 54
Recorded Investment | 13,432 | 12,747 | 9,875
Allowance for loan losses | 0 | 0 | 0
Residential Term | With an Allowance Recorded |  |  |
Nonaccrual Loans [Abstract] |  |  |
Average investment in impaired loans | 4,982 | 9,066 | 5,628
Recorded Investment | 4,354 | 6,697 | 6,946
Unpaid Principal, Impaired Loans | 4,516 | 6,842 | 6,946
Allowance for loan losses | 404 | 395 | 478
Average Recorded Investment | 4,982 | 9,066 | 5,628
Recognized Interest Income | 162 | 237 | 228
Recorded Investment | 4,354 | 6,697 | 6,946
Allowance for loan losses | 404 | 395 | 478
Residential Construction |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | 0 | 0 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | 0 | 0 |
Financing Receivable Modifications Number Of Contracts During Period | 0 | 0 |
Composition of Loan Portfolio [Abstract] |  |  |
Percentage of loan portfolio (in hundredths) | 1.30% | 0.70% |
Amount of loan portfolio | 11,803 | 6,459 | 10,469
Loans, aging disclosure [Abstract] |  |  |
Loans Receivable 30 59 Days Past Due | 47 | 188 |
Loans Receivable 60 89 Days Past Due | 0 | 0 |
90 Plus Days Past Due | 0 | 0 |
All Past Due | 47 | 188 |
Current | 11,756 | 6,271 |
Ending balance | 11,803 | 6,459 | 10,469
90 Plus Days And Accruing | 0 | 0 |
Nonaccrual Loans [Abstract] |  |  |
Nonaccrual Loans Receivable | 0 | 0 |
Average investment in impaired loans | 0 | 821 | 1,205
Recorded Investment | 0 | 0 | 1,198
Unpaid Principal, Impaired Loans | 0 | 0 | 1,198
Allowance for loan losses | 0 | 0 | 235
Average Recorded Investment | 0 | 821 | 1,205
Recognized Interest Income | 0 | 0 | 0
Recorded Investment | 0 | 0 | 1,198
Allowance for loan losses | 0 | 0 | 235
Troubled Debt Restructuring, Loans and Leases Receivable, Specific Allowance Current Period | 0 | 0 |
Residential Construction | With No Related Allowance |  |  |
Nonaccrual Loans [Abstract] |  |  |
Average investment in impaired loans | 0 | 560 | 961
Recorded Investment | 0 | 0 | 468
Unpaid Principal, Impaired Loans | 0 | 0 | 468
Allowance for loan losses | 0 | 0 | 0
Average Recorded Investment | 0 | 560 | 961
Recognized Interest Income | 0 | 0 | 0
Recorded Investment | 0 | 0 | 468
Allowance for loan losses | 0 | 0 | 0
Residential Construction | With an Allowance Recorded |  |  |
Nonaccrual Loans [Abstract] |  |  |
Average investment in impaired loans | 0 | 261 | 244
Recorded Investment | 0 | 0 | 730
Unpaid Principal, Impaired Loans | 0 | 0 | 730
Allowance for loan losses | 0 | 0 | 235
Average Recorded Investment | 0 | 261 | 244
Recognized Interest Income | 0 | 0 | 0
Recorded Investment | 0 | 0 | 730
Allowance for loan losses | 0 | 0 | 235
Home equity line of credit |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Financing Receivable, Modifications, Pre-Modification Recorded Investment | 204 | 656 |
Financing Receivable, Modifications, Post-Modification Recorded Investment | 201 | 656 |
Financing Receivable Modifications Number Of Contracts During Period | 1 | 4 |
Composition of Loan Portfolio [Abstract] |  |  |
Percentage of loan portfolio (in hundredths) | 10.40% | 11.40% |
Amount of loan portfolio | 91,549 | 99,082 | 105,244
Loans, aging disclosure [Abstract] |  |  |
Loans Receivable 30 59 Days Past Due | 573 | 430 |
Loans Receivable 60 89 Days Past Due | 145 | 133 |
90 Plus Days Past Due | 1,001 | 1,136 |
All Past Due | 1,719 | 1,699 |
Current | 89,830 | 97,383 |
Ending balance | 91,549 | 99,082 | 105,244
90 Plus Days And Accruing | 59 | 539 |
Nonaccrual Loans [Abstract] |  |  |
Nonaccrual Loans Receivable | 1,007 | 654 |
Average investment in impaired loans | 1,676 | 1,403 | 918
Recorded Investment | 1,648 | 1,311 | 1,163
Unpaid Principal, Impaired Loans | 1,884 | 1,440 | 1,163
Allowance for loan losses | 54 | 0 | 91
Average Recorded Investment | 1,676 | 1,403 | 918
Recognized Interest Income | 34 | 27 | 0
Recorded Investment | 1,648 | 1,311 | 1,163
Allowance for loan losses | 54 | 0 | 91
Troubled Debt Restructuring, Loans and Leases Receivable, Specific Allowance Current Period | 0 | 0 |
Home equity line of credit | With No Related Allowance |  |  |
Nonaccrual Loans [Abstract] |  |  |
Average investment in impaired loans | 1,578 | 961 | 646
Recorded Investment | 1,555 | 1,311 | 739
Unpaid Principal, Impaired Loans | 1,791 | 1,440 | 739
Allowance for loan losses | 0 | 0 | 0
Average Recorded Investment | 1,578 | 961 | 646
Recognized Interest Income | 32 | 27 | 0
Recorded Investment | 1,555 | 1,311 | 739
Allowance for loan losses | 0 | 0 | 0
Home equity line of credit | With an Allowance Recorded |  |  |
Nonaccrual Loans [Abstract] |  |  |
Average investment in impaired loans | 98 | 442 | 272
Recorded Investment | 93 | 0 | 424
Unpaid Principal, Impaired Loans | 93 | 0 | 424
Allowance for loan losses | 54 | 0 | 91
Average Recorded Investment | 98 | 442 | 272
Recognized Interest Income | 2 | 0 | 0
Recorded Investment | 93 | 0 | 424
Allowance for loan losses | 54 | 0 | 91
Consumer |  |  |
Composition of Loan Portfolio [Abstract] |  |  |
Percentage of loan portfolio (in hundredths) | 1.70% | 1.70% |
Amount of loan portfolio | 15,066 | 14,657 |
Loans, aging disclosure [Abstract] |  |  |
Loans Receivable 30 59 Days Past Due | 113 | 101 |
Loans Receivable 60 89 Days Past Due | 26 | 70 |
90 Plus Days Past Due | 388 | 45 |
All Past Due | 527 | 216 |
Current | 14,539 | 14,441 |
Ending balance | 15,066 | 14,657 |
90 Plus Days And Accruing | 388 | 45 |
Nonaccrual Loans [Abstract] |  |  |
Nonaccrual Loans Receivable | 0 | 0 |
Average investment in impaired loans | 0 | 12 | 96
Recorded Investment | 0 | 0 | 53
Unpaid Principal, Impaired Loans | 0 | 0 | 53
Allowance for loan losses | 0 | 0 | 11
Average Recorded Investment | 0 | 12 | 96
Recognized Interest Income | 0 | 0 | 0
Recorded Investment | 0 | 0 | 53
Allowance for loan losses | 0 | 0 | 11
Consumer | With No Related Allowance |  |  |
Nonaccrual Loans [Abstract] |  |  |
Average investment in impaired loans | 0 | 3 | 39
Recorded Investment | 0 | 0 | 37
Unpaid Principal, Impaired Loans | 0 | 0 | 37
Allowance for loan losses | 0 | 0 | 0
Average Recorded Investment | 0 | 3 | 39
Recognized Interest Income | 0 | 0 | 0
Recorded Investment | 0 | 0 | 37
Allowance for loan losses | 0 | 0 | 0
Consumer | With an Allowance Recorded |  |  |
Nonaccrual Loans [Abstract] |  |  |
Average investment in impaired loans | 0 | 9 | 57
Recorded Investment | 0 | 0 | 16
Unpaid Principal, Impaired Loans | 0 | 0 | 16
Allowance for loan losses | 0 | 0 | 11
Average Recorded Investment | 0 | 9 | 57
Recognized Interest Income | 0 | 0 | 0
Recorded Investment | 0 | 0 | 16
Allowance for loan losses | $ 0 | $ 0 | $ 11
Loans Receivable in Bankruptcy |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
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- Definition Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements. + 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=28368275&loc=d3e5074-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6378556&loc=d3e10152-111534 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=25496975&loc=d3e45377-112738 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) -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 -Section 03 -Paragraph 7 -Article 9 + Details
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- Definition Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18794-111554 + Details
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- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + 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=28368275&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=28367877&loc=d3e4428-111522 + Details
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- Definition Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5086-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6467456&loc=d3e113888-111728 + Details
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