| **Consolidated Statements of Changes in Shareholders' Equity (Audited) (USD $)In Thousands, except Share data, unless otherwise specified** | Total      | Preferred stock | Common stock and additional paid-in capital | Retained earnings | Accumulated other comprehensive income (loss) |
|---------------------------------------------------------------------------------------------------------------------------------------------|------------|-----------------|---------------------------------------------|-------------------|-----------------------------------------------|
| Balance at Dec. 31, 2010                                                                                                                    | $ 149,848  | $ 24,705        | $ 45,572                                    | $ 81,701          | $ (2,130)                                     |
| Balance (in shares) at Dec. 31, 2010                                                                                                        |       |            | 9,773,025                                   |              |                                          |
| **Increase (Decrease) in Stockholders' Equity [Roll Forward]**                                                                              |       |            |                                        |              |                                          |
| Net income                                                                                                                                  | 12,364     | 0               | 0                                           | 12,364            | 0                                             |
| Net unrealized gain on securities available for sale, net of tax                                                                            | 9,458      | 0               | 0                                           | 0                 | 9,458                                         |
| Unrecognized transition obligation for post-retirement benefits, net of tax                                                                 | (14)       | 0               | 0                                           | 0                 | (14)                                          |
| Comprehensive income                                                                                                                        | 21,808     | 0               | 0                                           | 12,364            | 9,444                                         |
| Cash dividends declared on preferred stock                                                                                                  | (1,109)    |            |                                        | (1,109)           |                                          |
| Cash dividends declared ($0.78 per share)                                                                                                   | (7,642)    | 0               | 0                                           | (7,642)           | 0                                             |
| Equity compensation expense                                                                                                                 | 22         | 0               | 22                                          | 0                 | 0                                             |
| Amortization of premium for preferred stock issuance                                                                                        | 0          | 98              | (98)                                        | 0                 | 0                                             |
| Repurchase of preferred stock                                                                                                               | (12,500)   | (12,500)        | 0                                           | 0                 | 0                                             |
| Proceeds from sale of common stock                                                                                                          | 431        | 0               | 431                                         | 0                 | 0                                             |
| Proceeds from sale of common stock (in shares)                                                                                              |       |            | 39,155                                      |              |                                          |
| Balance at Dec. 31, 2011                                                                                                                    | 150,858    | 12,303          | 45,927                                      | 85,314            | 7,314                                         |
| Balance (in shares) at Dec. 31, 2011                                                                                                        |       |            | 9,812,180                                   |              |                                          |
| **Increase (Decrease) in Stockholders' Equity [Roll Forward]**                                                                              |       |            |                                        |              |                                          |
| Net income                                                                                                                                  | 12,688     | 0               | 0                                           | 12,688            | 0                                             |
| Net unrealized gain on securities available for sale, net of tax                                                                            | 539        | 0               | 0                                           | 0                 | 539                                           |
| Unrecognized transition obligation for post-retirement benefits, net of tax                                                                 | (36)       | 0               | 0                                           | 0                 | (36)                                          |
| Comprehensive income                                                                                                                        | 13,191     | 0               | 0                                           | 12,688            | 503                                           |
| Cash dividends declared on preferred stock                                                                                                  | (625)      |            |                                        | (625)             |                                          |
| Cash dividends declared ($0.78 per share)                                                                                                   | (7,685)    | 0               | 0                                           | (7,685)           | 0                                             |
| Equity compensation expense                                                                                                                 | 85         | 0               | 85                                          | 0                 | 0                                             |
| Amortization of premium for preferred stock issuance                                                                                        | 0          | 99              | (99)                                        | 0                 | 0                                             |
| Repurchase of preferred stock                                                                                                               | 0          |            |                                        |              |                                          |
| Proceeds from sale of common stock                                                                                                          | 499        | 0               | 499                                         | 0                 | 0                                             |
| Proceeds from sale of common stock (in shares)                                                                                              |       |            | 47,734                                      |              |                                          |
| Balance at Dec. 31, 2012                                                                                                                    | 156,323    | 12,402          | 46,412                                      | 89,692            | 7,817                                         |
| Balance (in shares) at Dec. 31, 2012                                                                                                        | 9,859,914  |            | 9,859,914                                   |              |                                          |
| **Increase (Decrease) in Stockholders' Equity [Roll Forward]**                                                                              |       |            |                                        |              |                                          |
| Net income                                                                                                                                  | 12,965     | 0               | 0                                           | 12,965            | 0                                             |
| Net unrealized gain on securities available for sale, net of tax                                                                            | (14,531)   | 0               | 0                                           | 0                 | (14,531)                                      |
| Unrecognized transition obligation for post-retirement benefits, net of tax                                                                 | 311        | 0               | 0                                           | 0                 | 311                                           |
| Comprehensive income                                                                                                                        | (1,255)    | 0               | 0                                           | 12,965            | (14,220)                                      |
| Cash dividends declared on preferred stock                                                                                                  | (286)      |            |                                        | (286)             |                                          |
| Cash dividends declared ($0.78 per share)                                                                                                   | (8,371)    |            | 0                                           | (8,371)           | 0                                             |
| Equity compensation expense                                                                                                                 | 214        | 0               | 214                                         | 0                 | 0                                             |
| Amortization of premium for preferred stock issuance                                                                                        | 0          | 98              | (98)                                        | 0                 | 0                                             |
| Repurchase of preferred stock                                                                                                               | (12,500)   | (12,500)        | 0                                           | 0                 | 0                                             |
| Proceeds from sale of common stock                                                                                                          | 11,973     | 0               | (11,973)                                    | 0                 | 0                                             |
| Proceeds from sale of common stock (in shares)                                                                                              |       |            | 811,278                                     |              |                                          |
| Balance at Dec. 31, 2013                                                                                                                    | $ 146,098  | $ 0             | $ 58,501                                    | $ 94,000          | $ (6,403)                                     |
| Balance (in shares) at Dec. 31, 2013                                                                                                        | 10,671,192 |            | 10,671,192                                  |              |                                          |

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| - Definition
Amount of decrease (increase) in additional paid in capital (APIC) for the increase in carrying amount of redeemable preferred stock.
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This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".
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| - Definition
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.
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Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.
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Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.
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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
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Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.
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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.
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The cash outflow to reacquire preferred stock during the period.
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The cash inflow from the additional capital contribution to the entity.
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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.
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Number of new stock issued during the period.
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