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Allowance for Loan and Lease Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014 | Dec. 31, 2014
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance | $ 35,190 | $ 33,617 | $ 34,447 | $ 34,008 | $ 34,008
Provision charged to expense | 2,520 | 3,300 | 6,740 | 5,380 | 8,755
Losses charged off | 2,899 | 3,470 | 7,819 | 7,644 | 11,436
Recoveries | 729 | 643 | 2,172 | 2,346 | 3,120
Ending balance | 35,540 | 34,090 | 35,540 | 34,090 | 34,447
Allowance for Loan Losses Ending balance [Abstract] |  |  |  |  |
Individually evaluated for impairment | 1,348 | 2,218 | 1,348 | 2,218 | 1,742
Collectively evaluated for impairment | 34,192 | 31,872 | 34,192 | 31,872 | 32,705
Loans Ending balance [Abstract] |  |  |  |  |
Individually evaluated for impairment | 48,339 | 66,911 | 48,339 | 66,911 | 59,068
Collectively evaluated for impairment | 2,772,121 | 2,616,994 | 2,772,121 | 2,616,994 | 2,674,756
Commercial [Member] | Construction [Member] |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance | 2,622 | 2,916 | 2,896 | 3,396 | 3,396
Provision charged to expense | 151 | 84 | (127) | (406) | (513)
Losses charged off | 0 | 0 | 2 | 0 | 15
Recoveries | 3 | 15 | 9 | 25 | 28
Ending balance | 2,776 | 3,015 | 2,776 | 3,015 | 2,896
Allowance for Loan Losses Ending balance [Abstract] |  |  |  |  |
Individually evaluated for impairment | 719 | 734 | 719 | 734 | 734
Collectively evaluated for impairment | 2,057 | 2,281 | 2,057 | 2,281 | 2,162
Loans Ending balance [Abstract] |  |  |  |  |
Individually evaluated for impairment | 8,080 | 9,399 | 8,080 | 9,399 | 9,627
Collectively evaluated for impairment | 98,775 | 110,849 | 98,775 | 110,849 | 112,315
Commercial [Member] | Real Estate [Member] |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance | 13,022 | 14,402 | 13,618 | 14,535 | 14,535
Provision charged to expense | 293 | 1,255 | 577 | 1,489 | 941
Losses charged off | 364 | 834 | 1,290 | 1,452 | 2,163
Recoveries | 2 | 12 | 48 | 263 | 305
Ending balance | 12,953 | 14,835 | 12,953 | 14,835 | 13,618
Allowance for Loan Losses Ending balance [Abstract] |  |  |  |  |
Individually evaluated for impairment | 317 | 1,273 | 317 | 1,273 | 827
Collectively evaluated for impairment | 12,636 | 13,562 | 12,636 | 13,562 | 12,791
Loans Ending balance [Abstract] |  |  |  |  |
Individually evaluated for impairment | 31,153 | 39,080 | 31,153 | 39,080 | 34,357
Collectively evaluated for impairment | 966,501 | 892,375 | 966,501 | 892,375 | 914,269
Commercial [Member] | Equipment Lease Financing [Member] |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance | 113 | 102 | 119 | 121 | 121
Provision charged to expense | (9) | 25 | (15) | 6 | (2)
Losses charged off | 0 | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0 | 0
Ending balance | 104 | 127 | 104 | 127 | 119
Allowance for Loan Losses Ending balance [Abstract] |  |  |  |  |
Individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Collectively evaluated for impairment | 104 | 127 | 104 | 127 | 119
Loans Ending balance [Abstract] |  |  |  |  |
Individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Collectively evaluated for impairment | 9,146 | 10,055 | 9,146 | 10,055 | 10,344
Commercial [Member] | Other [Member] |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance | 4,414 | 4,677 | 4,263 | 5,238 | 5,238
Provision charged to expense | 153 | 959 | 1,054 | 1,059 | 1,545
Losses charged off | 431 | 1,169 | 1,495 | 2,074 | 3,141
Recoveries | 149 | 154 | 463 | 398 | 621
Ending balance | 4,285 | 4,621 | 4,285 | 4,621 | 4,263
Allowance for Loan Losses Ending balance [Abstract] |  |  |  |  |
Individually evaluated for impairment | 312 | 211 | 312 | 211 | 181
Collectively evaluated for impairment | 3,973 | 4,410 | 3,973 | 4,410 | 4,082
Loans Ending balance [Abstract] |  |  |  |  |
Individually evaluated for impairment | 7,917 | 16,558 | 7,917 | 16,558 | 13,807
Collectively evaluated for impairment | 338,401 | 330,477 | 338,401 | 330,477 | 338,241
Residential [Member] | Construction [Member] |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance | 570 | 450 | 534 | 397 | 397
Provision charged to expense | 61 | (6) | 184 | 161 | 258
Losses charged off | 20 | 7 | 110 | 123 | 123
Recoveries | 0 | 0 | 3 | 2 | 2
Ending balance | 611 | 437 | 611 | 437 | 534
Allowance for Loan Losses Ending balance [Abstract] |  |  |  |  |
Individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Collectively evaluated for impairment | 611 | 437 | 611 | 437 | 534
Loans Ending balance [Abstract] |  |  |  |  |
Individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Collectively evaluated for impairment | 62,226 | 62,105 | 62,226 | 62,105 | 62,412
Residential [Member] | Real Estate [Member] |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance | 6,965 | 5,142 | 6,094 | 4,939 | 4,939
Provision charged to expense | 564 | 8 | 2,023 | 412 | 2,173
Losses charged off | 647 | 216 | 1,260 | 437 | 1,058
Recoveries | 52 | 10 | 77 | 30 | 40
Ending balance | 6,934 | 4,944 | 6,934 | 4,944 | 6,094
Allowance for Loan Losses Ending balance [Abstract] |  |  |  |  |
Individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Collectively evaluated for impairment | 6,934 | 4,944 | 6,934 | 4,944 | 6,094
Loans Ending balance [Abstract] |  |  |  |  |
Individually evaluated for impairment | 1,189 | 1,874 | 1,189 | 1,874 | 1,277
Collectively evaluated for impairment | 704,998 | 701,449 | 704,998 | 701,449 | 711,188
Residential [Member] | Home Equity [Member] |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance | 867 | 643 | 756 | 601 | 601
Provision charged to expense | (38) | 42 | 128 | 110 | 265
Losses charged off | 0 | 65 | 67 | 93 | 115
Recoveries | 41 | 1 | 53 | 3 | 5
Ending balance | 870 | 621 | 870 | 621 | 756
Allowance for Loan Losses Ending balance [Abstract] |  |  |  |  |
Individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Collectively evaluated for impairment | 870 | 621 | 870 | 621 | 756
Loans Ending balance [Abstract] |  |  |  |  |
Individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Collectively evaluated for impairment | 88,624 | 88,291 | 88,624 | 88,291 | 88,335
Consumer [Member] | Consumer Direct [Member] |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance | 1,541 | 1,597 | 1,574 | 1,127 | 1,127
Provision charged to expense | 382 | 216 | 804 | 1,031 | 1,207
Losses charged off | 436 | 298 | 1,101 | 980 | 1,326
Recoveries | 113 | 96 | 323 | 433 | 566
Ending balance | 1,600 | 1,611 | 1,600 | 1,611 | 1,574
Allowance for Loan Losses Ending balance [Abstract] |  |  |  |  |
Individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Collectively evaluated for impairment | 1,600 | 1,611 | 1,600 | 1,611 | 1,574
Loans Ending balance [Abstract] |  |  |  |  |
Individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Collectively evaluated for impairment | 125,847 | 121,367 | 125,847 | 121,367 | 122,136
Consumer [Member] | Consumer Indirect [Member] |  |  |  |  |
Allowance for loan losses [Roll Forward] |  |  |  |  |
Beginning balance | 5,076 | 3,688 | 4,593 | 3,654 | 3,654
Provision charged to expense | 963 | 717 | 2,112 | 1,518 | 2,881
Losses charged off | 1,001 | 881 | 2,494 | 2,485 | 3,495
Recoveries | 369 | 355 | 1,196 | 1,192 | 1,553
Ending balance | 5,407 | 3,879 | 5,407 | 3,879 | 4,593
Allowance for Loan Losses Ending balance [Abstract] |  |  |  |  |
Individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Collectively evaluated for impairment | 5,407 | 3,879 | 5,407 | 3,879 | 4,593
Loans Ending balance [Abstract] |  |  |  |  |
Individually evaluated for impairment | 0 | 0 | 0 | 0 | 0
Collectively evaluated for impairment | $ 377,603 | $ 300,026 | $ 377,603 | $ 300,026 | $ 315,516

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