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Loans (Average Recorded Investment And Interest Income Recognized On Loans Individually Evaluated For Impairment) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | $ 116,180 | $ 74,478 | $ 116,180 | $ 74,478 | $ 77,491
Average recorded investment | 96,028 | 57,236 | 86,828 | 52,490 |
Interest income recognized | 756 | 412 | 2,139 | 1,142 |
Commercial Financial And Agricultural [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 33,098 | 31,485 | 33,098 | 31,485 |
Average recorded investment | 29,481 | 23,468 | 30,426 | 18,368 |
Interest income recognized | 159 | 107 | 543 | 244 |
Construction Real Estate Commercial [Domain] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 3,142 | 1,868 | 3,142 | 1,868 |
Average recorded investment | 1,212 | 1,922 | 743 | 2,176 |
Interest income recognized | 6 | 1 | 14 | 23 |
Residential Real Estate Commercial [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 4,897 | 2,238 | 4,897 | 2,238 |
Average recorded investment | 5,061 | 1,977 | 4,271 | 2,198 |
Interest income recognized | 65 | 27 | 166 | 72 |
Commercial Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 72,519 | 38,799 | 72,519 | 38,799 |
Average recorded investment | 58,195 | 29,779 | 50,479 | 29,712 |
Interest income recognized | 526 | 277 | 1,416 | 803 |
Finance Leases Portfolio Segment [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 2,524 | 88 | 2,524 | 88 |
Average recorded investment | $ 2,079 | $ 90 | $ 909 | $ 36 |

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