|**Other Real Estate Owned and Property Acquired in Settlement of Loans (Tables)** | 6 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
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|**Repossessed Assets [Abstract]**                                                 |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Schedule of Repossessed Assets                                                    | The following table summarizes OREO and property acquired in settlement of loans at the periods indicated:(dollars in thousands)June 30, 2014December 31, 2013Real estate acquired in settlement of loans$21,742$28,353Property acquired in settlement of loans12942Total property acquired in settlement of loans$21,871$28,395                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
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|(dollars in thousands)                                                            |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Real estate acquired in settlement of loans                                       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Property acquired in settlement of loans                                          |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Total property acquired in settlement of loans                                    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|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)June 30, 2014June 30, 2013Real estate acquired in settlement of loans, beginning of period$24,573$46,307Plus:  New real estate acquired in settlement of loans9832,824Less:  Sales of real estate acquired in settlement of loans(3,154)(10,422)Less:  Write-downs and net gain (loss) on sales charged to expense(660)(3,047)Real estate acquired in settlement of loans, end of period$21,742$35,662For Six Months Ended(dollars in thousands)June 30, 2014June 30, 2013Real estate acquired in settlement of loans, beginning of period$28,353$62,796Plus:  New real estate acquired in settlement of loans1,2516,793Less:  Sales of real estate acquired in settlement of loans(6,928)(30,661)Less:  Write-downs and net loss on sales charged to expense(934)(3,266)Real estate acquired in settlement of loans, end of period$21,742$35,662
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|(dollars in thousands)                                                            |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Real estate acquired in settlement of loans, beginning of period                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Plus:  New real estate acquired in settlement of loans                            |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Less:  Sales of real estate acquired in settlement of loans                       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Less:  Write-downs and net gain (loss) on sales charged to expense                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Real estate acquired in settlement of loans, end of period                        |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
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|(dollars in thousands)                                                            |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Real estate acquired in settlement of loans, beginning of period                  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Plus:  New real estate acquired in settlement of loans                            |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Less:  Sales of real estate acquired in settlement of loans                       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Less:  Write-downs and net loss on sales charged to expense                       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Real estate acquired in settlement of loans, end of period                        |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 

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