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Allowance for Loan Losses (Details 1) - USD ($) $ in Thousands | Sep. 30, 2015 | Jun. 30, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Dec. 31, 2013
--- | --- | --- | --- | --- | --- | ---
Ending Balance Attributable to Loans |  |  |  |  |  |
Individually evaluated for impairment | $ 1,228 |  | $ 1,911 |  |  |
Collectively evaluated for impairment | 18,506 |  | 16,648 |  |  |
Ending Balance | 19,925 | $ 19,861 | 18,839 | $ 17,507 | $ 18,255 | $ 20,068
Loans |  |  |  |  |  |
Individually evaluated for impairment | 10,582 |  | 14,606 |  |  |
Collectively evaluated for impairment | 1,756,626 |  | 1,767,701 |  |  |
Total | 1,772,988 |  | 1,788,825 |  |  |
Commercial Portfolio Segment [Member] |  |  |  |  |  |
Ending Balance Attributable to Loans |  |  |  |  |  |
Individually evaluated for impairment | 996 |  | 1,911 |  |  |
Collectively evaluated for impairment | 10,902 |  | 8,733 |  |  |
Ending Balance | 12,089 | 10,931 | 10,915 | 10,180 | 10,850 | 12,450
Loans |  |  |  |  |  |
Individually evaluated for impairment | 9,648 |  | 14,573 |  |  |
Collectively evaluated for impairment | 1,032,992 |  | 1,030,949 |  |  |
Total | 1,046,834 |  | 1,050,409 |  |  |
Residential Portfolio Segment [Member] |  |  |  |  |  |
Ending Balance Attributable to Loans |  |  |  |  |  |
Individually evaluated for impairment | 232 |  | 0 |  |  |
Collectively evaluated for impairment | 1,662 |  | 1,365 |  |  |
Ending Balance | 1,894 | 1,760 | 1,374 | 1,327 | 1,374 | 1,585
Loans |  |  |  |  |  |
Individually evaluated for impairment | 934 |  | 33 |  |  |
Collectively evaluated for impairment | 450,198 |  | 468,872 |  |  |
Total | 452,718 |  | 470,536 |  |  |
Consumer Portfolio Segment [Member] |  |  |  |  |  |
Ending Balance Attributable to Loans |  |  |  |  |  |
Individually evaluated for impairment | 0 |  | 0 |  |  |
Collectively evaluated for impairment | 4,948 |  | 4,370 |  |  |
Ending Balance | 4,948 | 4,678 | 4,370 | 3,916 | 3,769 | 3,650
Loans |  |  |  |  |  |
Individually evaluated for impairment | 0 |  | 0 |  |  |
Collectively evaluated for impairment | 273,436 |  | 267,880 |  |  |
Total | 273,436 |  | 267,880 |  |  |
Unallocated |  |  |  |  |  |
Ending Balance Attributable to Loans |  |  |  |  |  |
Individually evaluated for impairment | 0 |  | 0 |  |  |
Collectively evaluated for impairment | 994 |  | 2,180 |  |  |
Ending Balance | 994 | $ 2,492 | 2,180 | $ 2,084 | $ 2,262 | $ 2,383
Receivables Acquired with Deteriorated Credit Quality [Member] |  |  |  |  |  |
Ending Balance Attributable to Loans |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses | 191 |  | 280 |  |  |
Loans |  |  |  |  |  |
Financing Receivable, Net | 5,780 |  | 6,518 |  |  |
Receivables Acquired with Deteriorated Credit Quality [Member] | Commercial Portfolio Segment [Member] |  |  |  |  |  |
Ending Balance Attributable to Loans |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses | 191 |  | 271 |  |  |
Loans |  |  |  |  |  |
Financing Receivable, Net | 4,194 |  | 4,887 |  |  |
Receivables Acquired with Deteriorated Credit Quality [Member] | Residential Portfolio Segment [Member] |  |  |  |  |  |
Ending Balance Attributable to Loans |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses | 0 |  | 9 |  |  |
Loans |  |  |  |  |  |
Financing Receivable, Net | 1,586 |  | 1,631 |  |  |
Receivables Acquired with Deteriorated Credit Quality [Member] | Consumer Portfolio Segment [Member] |  |  |  |  |  |
Ending Balance Attributable to Loans |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses | 0 |  | 0 |  |  |
Loans |  |  |  |  |  |
Financing Receivable, Net | 0 |  | 0 |  |  |
Receivables Acquired with Deteriorated Credit Quality [Member] | Unallocated |  |  |  |  |  |
Ending Balance Attributable to Loans |  |  |  |  |  |
Financing Receivable, Allowance for Credit Losses | $ 0 |  | $ 0 |  |  |

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