| **Other Real Estate Owned and Property Acquired in Settlement of Loans (Tables)** | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
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| **Repossessed Assets [Abstract]**                                                 |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| Schedule of Repossessed Assets                                                    | The following table summarizes OREO and personal property acquired in settlement of loans at the periods indicated:(dollars in thousands) September 30, 2013 December 31, 2012Real estate acquired in settlement of loans $33,123 $62,796Personal property acquired in settlement of loans 56 335Total property acquired in settlement of loans $33,179 $63,131                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| Activities of Real Estate Acquired through Foreclosure                            | The following tables summarize the changes in real estate acquired in settlement of loans at the periods indicated:  For Three Months Ended(dollars in thousands) September 30, 2013 September 30, 2012Real estate acquired in settlement of loans, beginning of period $35,662 $86,183Plus:  New real estate acquired in settlement of loans 3,610 9,746Less:  Sales of real estate acquired in settlement of loans (6,411) (13,826)Less:  Write-downs and net gain (loss) on sales charged to expense 262 (1,621)Real estate acquired in settlement of loans, end of period $33,123 $80,482  For Nine Months Ended(dollars in thousands) September 30, 2013 September 30, 2012Real estate acquired in settlement of loans, beginning of period $62,796 $110,009Plus:  New real estate acquired in settlement of loans 10,403 24,766Less:  Sales of real estate acquired in settlement of loans (37,072) (38,202)Less:  Write-downs and net loss on sales charged to expense (3,004) (16,091)Real estate acquired in settlement of loans, end of period $33,123 $80,482 |

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| - Definition
Tabular disclosure of the change in real estate assets taken in settlement of troubled loans through surrender or foreclosure.
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No definition available.
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| - Definition
Tabular disclosure of real estate and personal property taken in settlement of troubled loans through surrender or foreclosure.
+ References
No definition available.
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