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Loans (Recorded Investment In Nonaccrual Restructured And Loans Past Due 90 Days Or More And Accruing) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2018
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Impaired Financing Receivable, Recorded Investment | $ 50,255 | $ 61,750 | $ 50,255 | $ 61,750 | $ 48,144
Nonaccrual loans | 66,675 |  | 66,675 |  | 67,954
Accruing restructured loans | 17,837 |  | 17,837 |  | 15,222
Loans past due 90 days or more and accruing | 2,471 |  | 2,471 |  | 2,302
Total nonperforming loans | 86,983 |  | 86,983 |  | 85,478
Impaired Financing Receivable, Average Recorded Investment | 50,677 | 52,511 | 49,457 | 51,883 |
Impaired Financing Receivable, Interest Income, Cash Basis Method | 380 | 386 | 730 | 807 |
Commercial Financial And Agricultural [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Impaired Financing Receivable, Recorded Investment | 19,586 | 29,943 | 19,586 | 29,943 |
Nonaccrual loans | 17,670 |  | 17,670 |  | 14,998
Accruing restructured loans | 1,985 |  | 1,985 |  | 196
Loans past due 90 days or more and accruing | 25 |  | 25 |  | 10
Total nonperforming loans | 19,680 |  | 19,680 |  | 15,204
Impaired Financing Receivable, Average Recorded Investment | 16,136 | 27,637 | 15,628 | 23,402 |
Impaired Financing Receivable, Interest Income, Cash Basis Method | 90 | 145 | 137 | 319 |
Construction Real Estate Commercial [Domain] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Impaired Financing Receivable, Recorded Investment | 2,243 | 2,529 | 2,243 | 2,529 |
Nonaccrual loans | 1,788 |  | 1,788 |  | 1,866
Accruing restructured loans | 455 |  | 455 |  | 0
Loans past due 90 days or more and accruing | 224 |  | 224 |  | 0
Total nonperforming loans | 2,467 |  | 2,467 |  | 1,866
Impaired Financing Receivable, Average Recorded Investment | 2,559 | 1,510 | 2,330 | 1,451 |
Impaired Financing Receivable, Interest Income, Cash Basis Method | 10 | 13 | 22 | 27 |
Construction Real Estate - Mortgage [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Nonaccrual loans | 86 |  | 86 |  |
Accruing restructured loans | 79 |  | 79 |  | 15
Loans past due 90 days or more and accruing | 0 |  | 0 |  | 20
Total nonperforming loans | 165 |  | 165 |  | 35
Construction Real Estate - Installment [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Nonaccrual loans | 59 |  | 59 |  | 19
Accruing restructured loans | 7 |  | 7 |  | 9
Loans past due 90 days or more and accruing | 0 |  | 0 |  | 0
Total nonperforming loans | 66 |  | 66 |  | 28
Residential Real Estate Commercial [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Impaired Financing Receivable, Recorded Investment | 1,874 | 2,750 | 1,874 | 2,750 |
Nonaccrual loans | 1,806 |  | 1,806 |  | 2,610
Accruing restructured loans | 68 |  | 68 |  | 122
Loans past due 90 days or more and accruing | 0 |  | 0 |  |
Total nonperforming loans | 1,874 |  | 1,874 |  | 2,732
Impaired Financing Receivable, Average Recorded Investment | 1,909 | 2,653 | 2,277 | 7,511 |
Impaired Financing Receivable, Interest Income, Cash Basis Method | 25 | 27 | 45 | 58 |
Residential Real Estate - Mortgage [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Nonaccrual loans | 15,728 |  | 15,728 |  | 16,892
Accruing restructured loans | 9,029 |  | 9,029 |  | 9,100
Loans past due 90 days or more and accruing | 1,061 |  | 1,061 |  | 1,124
Total nonperforming loans | 25,818 |  | 25,818 |  | 27,116
Residential Real Estate - HELOC [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Nonaccrual loans | 1,667 |  | 1,667 |  | 2,158
Accruing restructured loans | 1,085 |  | 1,085 |  | 1,028
Loans past due 90 days or more and accruing | 55 |  | 55 |  | 9
Total nonperforming loans | 2,807 |  | 2,807 |  | 3,195
Residential Real Estate - Installment [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Nonaccrual loans | 533 |  | 533 |  | 468
Accruing restructured loans | 1,601 |  | 1,601 |  | 1,049
Loans past due 90 days or more and accruing | 0 |  | 0 |  | 24
Total nonperforming loans | 2,134 |  | 2,134 |  | 1,541
Commercial Real Estate [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Impaired Financing Receivable, Recorded Investment | 26,461 | 26,528 | 26,461 | 26,528 |
Nonaccrual loans | 23,846 |  | 23,846 |  | 25,566
Accruing restructured loans | 2,615 |  | 2,615 |  | 2,860
Loans past due 90 days or more and accruing | 606 |  | 606 |  |
Total nonperforming loans | 27,067 |  | 27,067 |  | 28,426
Impaired Financing Receivable, Average Recorded Investment | 30,050 | 20,711 | 29,209 | 19,519 |
Impaired Financing Receivable, Interest Income, Cash Basis Method | 255 | $ 201 | 526 | $ 403 |
Consumer [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Nonaccrual loans | 3,401 |  | 3,401 |  | 3,377
Accruing restructured loans | 913 |  | 913 |  | 843
Loans past due 90 days or more and accruing | 500 |  | 500 |  | 1,115
Total nonperforming loans | 4,814 |  | 4,814 |  | 5,335
Finance Leases Portfolio Segment [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Nonaccrual loans | 91 |  | 91 |  | 0
Accruing restructured loans | 0 |  | 0 |  | 0
Loans past due 90 days or more and accruing | 0 |  | 0 |  | 0
Total nonperforming loans | 91 |  | 91 |  | $ 0
Finance Leases Portfolio Segment [Member] | Residential Real Estate Commercial [Member] |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Impaired Financing Receivable, Recorded Investment | 91 |  | 91 |  |
Impaired Financing Receivable, Average Recorded Investment | $ 23 |  | $ 13 |  |

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