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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 | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | $ 91,783 | $ 50,255 | $ 91,783 | $ 50,255 | $ 77,491
Average recorded investment | 85,857 | 50,677 | 82,279 | 49,457 |
Interest income recognized | 671 | 380 | 1,383 | 730 |
Commercial Financial And Agricultural [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 30,183 | 19,586 | 30,183 | 19,586 |
Average recorded investment | 29,859 | 16,136 | 30,931 | 15,628 |
Interest income recognized | 180 | 90 | 384 | 137 |
Construction Real Estate Commercial [Domain] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 631 | 2,243 | 631 | 2,243 |
Average recorded investment | 493 | 2,559 | 460 | 2,330 |
Interest income recognized | 4 | 10 | 8 | 22 |
Residential Real Estate Commercial [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 5,257 | 1,874 | 5,257 | 1,874 |
Average recorded investment | 5,400 | 1,909 | 3,960 | 2,277 |
Interest income recognized | 78 | 25 | 101 | 45 |
Commercial Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 54,071 | 26,461 | 54,071 | 26,461 |
Average recorded investment | 49,599 | 30,050 | 46,582 | 29,209 |
Interest income recognized | 409 | 255 | 890 | 526 |
Finance Leases Portfolio Segment [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 1,641 | 91 | 1,641 | 91 |
Average recorded investment | $ 506 | $ 23 | $ 346 | $ 13 |

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