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Loans (Summary Of Impaired Loans) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment, With no related allowance recorded | [1] | $ 1,536 | $ 2,332
Recorded Investment, With an allowance recorded | [1] | 2,787 | 746
Recorded Investment | [1] | 4,323 | 3,078
Unpaid Principal Balance, With no related allowance recorded | [1] | 2,524 | 3,276
Unpaid Principal Balance, With an allowance recorded | [1] | 2,787 | 746
Unpaid Principal Balance | [1] | 5,311 | 4,022
Related Allowance |  | 693 | 206
Average Recorded Investment, With no related allowance recorded |  | 2,112 | 1,848
Average Recorded Investment, With an allowance recorded |  | 3,032 | 4,394
Average Recorded Investment |  | 5,144 | 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] | 563 | 319
Recorded Investment, With an allowance recorded | [1] | 614 | 725
Unpaid Principal Balance, With no related allowance recorded | [1] | 775 | 487
Unpaid Principal Balance, With an allowance recorded | [1] | 614 | 725
Related Allowance |  | 214 | 205
Average Recorded Investment, With no related allowance recorded |  | 411 | 1,156
Average Recorded Investment, With an allowance recorded |  | 1,207 | 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] | 973 | 2,013
Recorded Investment, With an allowance recorded | [1] | 2,173 | 21
Unpaid Principal Balance, With no related allowance recorded | [1] | 1,749 | 2,789
Unpaid Principal Balance, With an allowance recorded | [1] | 2,173 | 21
Related Allowance |  | 479 | 1
Average Recorded Investment, With no related allowance recorded |  | 1,701 | 692
Average Recorded Investment, With an allowance recorded |  | 1,825 | 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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