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Loans (Loans Individually Evaluated For Impairment By Class Of Loans) (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, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | $ 56,339 |  | $ 56,339 |  | $ 59,381
Recorded investment | 50,255 | $ 61,750 | 50,255 | $ 61,750 | 48,144
Allowance for loan losses allocated | 2,379 |  | 2,379 |  | 2,273
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, Impaired [Line Items] |  |  |  |  |
Recorded investment | 19,586 | 29,943 | 19,586 | 29,943 |
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 |
Commercial Financial And Agricultural [Member] | Financing Receivable With No Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 8,875 |  | 8,875 |  | 8,999
Recorded investment | 8,057 |  | 8,057 |  | 3,713
Allowance for loan losses allocated | 0 |  | 0 |  | 0
Commercial Financial And Agricultural [Member] | Financing Receivable With A Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 13,666 |  | 13,666 |  | 13,736
Recorded investment | 11,529 |  | 11,529 |  | 11,407
Allowance for loan losses allocated | 2,279 |  | 2,279 |  | 2,169
Construction Real Estate Commercial [Domain] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 2,243 | 2,529 | 2,243 | 2,529 |
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 Commercial [Domain] | Financing Receivable With No Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 4,601 |  | 4,601 |  | 4,679
Recorded investment | 1,787 |  | 1,787 |  | 1,866
Allowance for loan losses allocated | 0 |  | 0 |  | 0
Construction Real Estate Commercial [Domain] | Financing Receivable With A Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 455 |  | 455 |  |
Recorded investment | 456 |  | 456 |  |
Allowance for loan losses allocated | 3 |  | 3 |  |
Residential Real Estate Commercial [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 1,874 | 2,750 | 1,874 | 2,750 |
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 Commercial [Member] | Financing Receivable With No Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 1,831 |  | 1,831 |  | 2,691
Recorded investment | 1,779 |  | 1,779 |  | 2,374
Allowance for loan losses allocated | 0 |  | 0 |  | 0
Residential Real Estate Commercial [Member] | Financing Receivable With A Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 95 |  | 95 |  | 358
Recorded investment | 95 |  | 95 |  | 358
Allowance for loan losses allocated | 21 |  | 21 |  | 18
Commercial Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 26,461 | 26,528 | 26,461 | 26,528 |
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 |
Commercial Real Estate [Member] | Financing Receivable With No Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 26,386 |  | 26,386 |  | 26,663
Recorded investment | 26,122 |  | 26,122 |  | 26,213
Allowance for loan losses allocated | 0 |  | 0 |  | 0
Commercial Real Estate [Member] | Financing Receivable With A Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 339 |  | 339 |  | 2,255
Recorded investment | 339 |  | 339 |  | 2,213
Allowance for loan losses allocated | 48 |  | 48 |  | 86
Finance Leases Portfolio Segment [Member] | Financing Receivable With No Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Allowance for loan losses allocated | 0 |  | 0 |  | $ 0
Finance Leases Portfolio Segment [Member] | Financing Receivable With A Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 91 |  | 91 |  |
Recorded investment | 91 |  | 91 |  |
Allowance for loan losses allocated | 28 |  | 28 |  |
Finance Leases Portfolio Segment [Member] | Residential Real Estate Commercial [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 91 |  | 91 |  |
Impaired Financing Receivable, Average Recorded Investment | $ 23 |  | $ 13 |  |

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