| **Deposits (Tables)**                              | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
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| **Deposits [Abstract]**                            |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| Deposit Composition                                | The following table summarizes deposit composition at the dates indicated. (dollars in thousands) December 31, 2012 % ofTotal December 31, 2011 % ofTotalNoninterest-bearing demand deposits $251,235 13.17% $234,673 11.02%Interest-bearing demand deposits 362,406 19.00% 349,802 16.43%Savings deposits 74,436 3.90% 68,236 3.20%Money market deposits 455,734 23.90% 431,790 20.28%Brokered deposits 55,590 2.92% 112,066 5.27%Time deposits less than $100,000 417,421 21.89% 538,306 25.28%Time deposits $100,000 or more 290,166 15.22% 394,238 18.52%Total deposits $1,906,988 100.00% $2,129,111 100.00% |
| Scheduled Maturities of Time and Brokered Deposits | The accompanying table presents the scheduled maturities of time and brokered deposits at December 31, 2012. (dollars in thousands) Year ending December 31, 2013$503,5912014146,131201564,087201627,740201721,617Thereafter11Total time deposits$763,177                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |

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