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Loans - Past-due Status of Loans by Class (Details) - USD ($) $ in Thousands | Jun. 30, 2015 | Dec. 31, 2014 | Jun. 30, 2014
--- | --- | --- | ---
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | $ 11,016 | $ 11,863 | $ 11,251
Current | 952,093 | 905,701 | 880,613
Total | 963,109 | 917,564 | 891,864
90 Days & Accruing | 236 | 181 | 163
Commercial real estate |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 2,114 | 860 | 2,082
Current | 247,300 | 241,451 | 243,578
Total | 249,414 | 242,311 | 245,660
90 Days & Accruing | 0 | 0 | 0
Commercial construction |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 208 | 249 | 208
Current | 39,296 | 30,683 | 16,876
Total | 39,504 | 30,932 | 17,084
90 Days & Accruing | 0 | 0 | 0
Commercial other |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 262 | 1,193 | 876
Current | 127,987 | 103,338 | 103,358
Total | 128,249 | 104,531 | 104,234
90 Days & Accruing | 0 | 0 | 0
Municipal |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 0 | 0 | 0
Current | 22,821 | 20,424 | 17,893
Total | 22,821 | 20,424 | 17,893
90 Days & Accruing | 0 | 0 | 0
Residential term |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 6,270 | 7,003 | 6,428
Current | 371,820 | 377,029 | 372,599
Total | 378,090 | 384,032 | 379,027
90 Days & Accruing | 90 | 101 | 87
Residential construction |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 160 | 0 | 0
Current | 14,055 | 12,160 | 13,253
Total | 14,215 | 12,160 | 13,253
90 Days & Accruing | 0 | 0 | 0
Home equity line of credit |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 1,609 | 2,122 | 1,439
Current | 107,179 | 101,399 | 96,382
Total | 108,788 | 103,521 | 97,821
90 Days & Accruing | 35 | 0 | 0
Consumer |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 393 | 436 | 218
Current | 21,635 | 19,217 | 16,674
Total | 22,028 | 19,653 | 16,892
90 Days & Accruing | 111 | 80 | 76
30-59 Days Past Due |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 3,745 | 2,746 | 2,596
30-59 Days Past Due | Commercial real estate |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 1,850 | 346 | 925
30-59 Days Past Due | Commercial construction |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 0 | 0 | 0
30-59 Days Past Due | Commercial other |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 124 | 336 | 256
30-59 Days Past Due | Municipal |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 0 | 0 | 0
30-59 Days Past Due | Residential term |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 810 | 1,140 | 813
30-59 Days Past Due | Residential construction |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 160 | 0 | 0
30-59 Days Past Due | Home equity line of credit |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 649 | 621 | 471
30-59 Days Past Due | Consumer |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 152 | 303 | 131
60-89 Days Past Due |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 2,566 | 3,631 | 1,860
60-89 Days Past Due | Commercial real estate |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 0 | 107 | 0
60-89 Days Past Due | Commercial construction |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 0 | 41 | 0
60-89 Days Past Due | Commercial other |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 0 | 543 | 21
60-89 Days Past Due | Municipal |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 0 | 0 | 0
60-89 Days Past Due | Residential term |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 2,314 | 2,118 | 1,735
60-89 Days Past Due | Residential construction |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 0 | 0 | 0
60-89 Days Past Due | Home equity line of credit |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 122 | 769 | 93
60-89 Days Past Due | Consumer |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 130 | 53 | 11
Equal to Greater than 90 Days Past Due |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 4,705 | 5,486 | 6,795
Equal to Greater than 90 Days Past Due | Commercial real estate |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 264 | 407 | 1,157
Equal to Greater than 90 Days Past Due | Commercial construction |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 208 | 208 | 208
Equal to Greater than 90 Days Past Due | Commercial other |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 138 | 314 | 599
Equal to Greater than 90 Days Past Due | Municipal |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 0 | 0 | 0
Equal to Greater than 90 Days Past Due | Residential term |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 3,146 | 3,745 | 3,880
Equal to Greater than 90 Days Past Due | Residential construction |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 0 | 0 | 0
Equal to Greater than 90 Days Past Due | Home equity line of credit |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | 838 | 732 | 875
Equal to Greater than 90 Days Past Due | Consumer |  |  |
Schedule of Financing Receivables [Line Items] |  |  |
All Past Due | $ 111 | $ 80 | $ 76

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