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Loans (Summary Of Impaired Loans) (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2019 | Dec. 31, 2018
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment, With no related allowance recorded | [1] | $ 3,585 | $ 2,332
Recorded Investment, With an allowance recorded | [1] | 2,715 | 746
Recorded Investment | [1] | 6,300 | 3,078
Unpaid Principal Balance, With no related allowance recorded | [1] | 7,420 | 3,276
Unpaid Principal Balance, With an allowance recorded | [1] | 2,715 | 746
Unpaid Principal Balance | [1] | 10,135 | 4,022
Related Allowance |  | 1,564 | 206
Average Recorded Investment, With no related allowance recorded |  | 2,092 | 1,848
Average Recorded Investment, With an allowance recorded |  | 2,774 | 4,394
Average Recorded Investment |  | 4,866 | 6,242
Interest Income Recognized, With no related allowance recorded |  |  |
Interest Income Recognized, With an allowance recorded |  |  |
Interest Income Recognized |  |  |
Commercial Business [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment, With no related allowance recorded | [1] | 307 | 319
Recorded Investment, With an allowance recorded | [1] | 2,703 | 725
Unpaid Principal Balance, With no related allowance recorded | [1] | 373 | 487
Unpaid Principal Balance, With an allowance recorded | [1] | 2,703 | 725
Related Allowance |  | 1,563 | 205
Average Recorded Investment, With no related allowance recorded |  | 365 | 1,156
Average Recorded Investment, With an allowance recorded |  | 883 | 2,458
Interest Income Recognized, With no related allowance recorded |  |  |
Interest Income Recognized, With an allowance recorded |  |  |
Commercial Mortgage [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment, With no related allowance recorded | [1] | 3,278 | 2,013
Recorded Investment, With an allowance recorded | [1] | 12 | 21
Unpaid Principal Balance, With no related allowance recorded | [1] | 7,047 | 2,789
Unpaid Principal Balance, With an allowance recorded | [1] | 12 | 21
Related Allowance |  | 1 | 1
Average Recorded Investment, With no related allowance recorded |  | 1,727 | 692
Average Recorded Investment, With an allowance recorded |  | 1,891 | 1,936
Interest Income Recognized, With no related allowance recorded |  |  |
Interest Income Recognized, With an allowance recorded |  |  |
[1] | Difference between recorded investment and unpaid principal balance represents partial charge-offs.

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