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Loans (Loans Individually Evaluated For Impairment By Class Of Loans) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | $ 80,056 |  | $ 80,056 |  | $ 59,381
Recorded investment | 74,478 | $ 46,760 | 74,478 | $ 46,760 | 48,144
Allowance for loan losses allocated | 3,083 |  | 3,083 |  | 2,273
Impaired Financing Receivable, Average Recorded Investment | 57,236 | 54,679 | 52,490 | 52,015 |
Impaired Financing Receivable, Interest Income, Cash Basis Method | 412 | 485 | 1,142 | 1,292 |
Commercial Financial And Agricultural [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 31,485 | 16,026 | 31,485 | 16,026 |
Impaired Financing Receivable, Average Recorded Investment | 23,468 | 23,247 | 18,368 | 22,686 |
Impaired Financing Receivable, Interest Income, Cash Basis Method | 107 | 187 | 244 | 506 |
Commercial Financial And Agricultural [Member] | Financing Receivable With No Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 19,140 |  | 19,140 |  | 8,999
Recorded investment | 18,783 |  | 18,783 |  | 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 | 14,839 |  | 14,839 |  | 13,736
Recorded investment | 12,702 |  | 12,702 |  | 11,407
Allowance for loan losses allocated | 2,917 |  | 2,917 |  | 2,169
Construction Real Estate Commercial [Domain] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 1,868 | 2,016 | 1,868 | 2,016 |
Impaired Financing Receivable, Average Recorded Investment | 1,922 | 2,246 | 2,176 | 1,661 |
Impaired Financing Receivable, Interest Income, Cash Basis Method | 1 | 4 | 23 | 31 |
Construction Real Estate Commercial [Domain] | Financing Receivable With No Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 4,682 |  | 4,682 |  | 4,679
Recorded investment | 1,868 |  | 1,868 |  | 1,866
Allowance for loan losses allocated | 0 |  | 0 |  | 0
Residential Real Estate Commercial [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 2,238 | 2,913 | 2,238 | 2,913 |
Impaired Financing Receivable, Average Recorded Investment | 1,977 | 2,758 | 2,198 | 6,086 |
Impaired Financing Receivable, Interest Income, Cash Basis Method | 27 | 26 | 72 | 84 |
Residential Real Estate Commercial [Member] | Financing Receivable With No Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 2,101 |  | 2,101 |  | 2,691
Recorded investment | 2,035 |  | 2,035 |  | 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 | 203 |  | 203 |  | 358
Recorded investment | 203 |  | 203 |  | 358
Allowance for loan losses allocated | 111 |  | 111 |  | 18
Commercial Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 38,799 | 25,805 | 38,799 | 25,805 |
Impaired Financing Receivable, Average Recorded Investment | 29,779 | 26,428 | 29,712 | 21,582 |
Impaired Financing Receivable, Interest Income, Cash Basis Method | 277 | $ 268 | 803 | $ 671 |
Commercial Real Estate [Member] | Financing Receivable With No Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 38,723 |  | 38,723 |  | 26,663
Recorded investment | 38,519 |  | 38,519 |  | 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 | 280 |  | 280 |  | 2,255
Recorded investment | 280 |  | 280 |  | 2,213
Allowance for loan losses allocated | 30 |  | 30 |  | 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 | 88 |  | 88 |  |
Recorded investment | 88 |  | 88 |  |
Allowance for loan losses allocated | 25 |  | 25 |  |
Finance Leases Portfolio Segment [Member] | Residential Real Estate Commercial [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 88 |  | 88 |  |
Impaired Financing Receivable, Average Recorded Investment | $ 90 |  | $ 36 |  |

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