| **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, 2013 % ofTotal December 31, 2012 % ofTotalNoninterest-bearing demand deposits $290,461 16.61% $251,235 13.17%Interest-bearing demand deposits 347,791 19.89% 362,406 19.00%Savings deposits 80,507 4.60% 74,436 3.90%Money market deposits 447,672 25.60% 455,734 23.90%Brokered deposits 29,219 1.67% 55,590 2.92%Time deposits less than $100,000 323,660 18.51% 417,421 21.89%Time deposits $100,000 or more 229,395 13.12% 290,166 15.22%Total deposits $1,748,705 100.00% $1,906,988 100.00% |
| Scheduled Maturities of Time and Brokered Deposits | The accompanying table presents the scheduled maturities of time and brokered deposits at December 31, 2013. (dollars in thousands) Year ending December 31, 2014$365,6292015118,257201649,622201738,723201810,043Thereafter—Total time deposits$582,274                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |

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