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Loans - Nonaccrual Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2015 | Dec. 31, 2014 | Sep. 30, 2014
--- | --- | --- | ---
Schedule of Financing Receivables [Line Items] |  |  |
Nonaccrual loans | $ 7,981 | $ 10,510 | $ 11,825
Commercial real estate |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Nonaccrual loans | 1,220 | 2,088 | 2,866
Commercial construction |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Nonaccrual loans | 208 | 208 | 208
Commercial other |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Nonaccrual loans | 114 | 935 | 1,800
Municipal |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Nonaccrual loans | 0 | 0 | 0
Residential term |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Nonaccrual loans | 5,491 | 6,421 | 6,166
Residential construction |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Nonaccrual loans | 0 | 0 | 0
Home equity line of credit |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Nonaccrual loans | 948 | 832 | 759
Consumer |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
Nonaccrual loans | $ 0 | $ 26 | $ 26

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