| **Loans (Impaired Loans, Average Recorded Investment and Interest Income Recognized) (Details) (USD $)In Thousands, unless otherwise specified** | 3 Months Ended |
|--------------------------------------------------------------------------------------------------------------------------------------------------|----------------|
||
| **Financing Receivable, Impaired [Line Items]**                                                                                                  |           |   |
| With no related alowance recorded, average recorded investment                                                                                   | $ 57,601       | $ 64,954 |
| With no related allowance recorded, interest income recognized                                                                                   | 113            | 47 |
| With an allowance recorded, average recorded investment                                                                                          | 16,357         | 41,416 |
| With an allowance recorded, interest income recognized                                                                                           | 17             | 28 |
| Impaired Financing Receivable, Average Recorded Investment                                                                                       | 73,958         | 106,370 |
| Impaired Financing Receivable, Interest Income, Cash Basis Method                                                                                | 130            | 75 |
| Commercial and agricultural [Member]                                                                                                             |           |   |
| **Financing Receivable, Impaired [Line Items]**                                                                                                  |           |   |
| With no related alowance recorded, average recorded investment                                                                                   | 886            | 3,132 |
| With no related allowance recorded, interest income recognized                                                                                   | 0              | 7 |
| With an allowance recorded, average recorded investment                                                                                          | 917            | 1,668 |
| With an allowance recorded, interest income recognized                                                                                           | 5              | 0 |
| Impaired Financing Receivable, Average Recorded Investment                                                                                       | 1,803          | 4,800 |
| Impaired Financing Receivable, Interest Income, Cash Basis Method                                                                                | 5              | 7 |
| Real estate - construction [Member]                                                                                                              |           |   |
| **Financing Receivable, Impaired [Line Items]**                                                                                                  |           |   |
| With no related alowance recorded, average recorded investment                                                                                   | 9,233          | 13,414 |
| With no related allowance recorded, interest income recognized                                                                                   | 0              | 4 |
| With an allowance recorded, average recorded investment                                                                                          | 2,111          | 12,050 |
| With an allowance recorded, interest income recognized                                                                                           | 0              | 2 |
| Impaired Financing Receivable, Average Recorded Investment                                                                                       | 11,344         | 25,464 |
| Impaired Financing Receivable, Interest Income, Cash Basis Method                                                                                | 0              | 6 |
| Real estate - mortgage, 1-4 family residential [Member]                                                                                          |           |   |
| **Financing Receivable, Impaired [Line Items]**                                                                                                  |           |   |
| With no related alowance recorded, average recorded investment                                                                                   | 13,472         | 18,199 |
| With no related allowance recorded, interest income recognized                                                                                   | 26             | 6 |
| With an allowance recorded, average recorded investment                                                                                          | 4,666          | 12,965 |
| With an allowance recorded, interest income recognized                                                                                           | 8              | 18 |
| Impaired Financing Receivable, Average Recorded Investment                                                                                       | 18,138         | 31,164 |
| Impaired Financing Receivable, Interest Income, Cash Basis Method                                                                                | 34             | 24 |
| Real estate - mortgage, commercial [Member]                                                                                                      |           |   |
| **Financing Receivable, Impaired [Line Items]**                                                                                                  |           |   |
| With no related alowance recorded, average recorded investment                                                                                   | 34,010         | 29,810 |
| With no related allowance recorded, interest income recognized                                                                                   | 87             | 30 |
| With an allowance recorded, average recorded investment                                                                                          | 8,663          | 14,522 |
| With an allowance recorded, interest income recognized                                                                                           | 4              | 8 |
| Impaired Financing Receivable, Average Recorded Investment                                                                                       | 42,673         | 44,332 |
| Impaired Financing Receivable, Interest Income, Cash Basis Method                                                                                | 91             | 38 |
| Consumer [Member]                                                                                                                                |           |   |
| **Financing Receivable, Impaired [Line Items]**                                                                                                  |           |   |
| With no related alowance recorded, average recorded investment                                                                                   | 0              | 399 |
| With no related allowance recorded, interest income recognized                                                                                   | 0              | 0 |
| With an allowance recorded, average recorded investment                                                                                          | 0              | 211 |
| With an allowance recorded, interest income recognized                                                                                           | 0              | 0 |
| Impaired Financing Receivable, Average Recorded Investment                                                                                       | 0              | 610 |
| Impaired Financing Receivable, Interest Income, Cash Basis Method                                                                                | $ 0            | $ 0 |

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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.
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| - Definition
Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.
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Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses.
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| - Definition
Amount of interest income, recognized on cash basis, on financing receivables, for which there is no related allowance for credit losses and are recognized as impaired.
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Amount of average investment of impaired financing receivables for which there is a related allowance for credit losses.
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| - Definition
Amount of interest income on financing receivables, for which there is a related allowance for credit losses, recognized on a cash-basis method of accounting that the financing receivables were impaired.
+ References
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