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Loans (Summary Of Impaired Loans) (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2016 | Dec. 31, 2015
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment, With no related allowance recorded | [1] | $ 1,803 | $ 2,378
Recorded Investment, With an allowance recorded | [1] | 1,699 | 2,491
Recorded Investment | [1] | 3,502 | 4,869
Unpaid Principal Balance, With no related allowance recorded | [1] | 2,532 | 3,095
Unpaid Principal Balance, With an allowance recorded | [1] | 1,699 | 2,491
Unpaid Principal Balance | [1] | 4,231 | 5,586
Related Allowance |  | 584 | 1,006
Average Recorded Investment, With no related allowance recorded |  | 1,886 | 2,365
Average Recorded Investment, With an allowance recorded |  | 1,803 | 2,395
Average Recorded Investment |  | 3,689 | 4,760
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] | 1,074 | 1,441
Recorded Investment, With an allowance recorded | [1] | 1,083 | 2,481
Unpaid Principal Balance, With no related allowance recorded | [1] | 1,594 | 1,810
Unpaid Principal Balance, With an allowance recorded | [1] | 1,083 | 2,481
Related Allowance |  | 460 | 996
Average Recorded Investment, With no related allowance recorded |  | 1,149 | 1,352
Average Recorded Investment, With an allowance recorded |  | 1,058 | 1,946
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] | 729 | 937
Recorded Investment, With an allowance recorded | [1] | 616 | 10
Unpaid Principal Balance, With no related allowance recorded | [1] | 938 | 1,285
Unpaid Principal Balance, With an allowance recorded | [1] | 616 | 10
Related Allowance |  | 124 | 10
Average Recorded Investment, With no related allowance recorded |  | 737 | 1,013
Average Recorded Investment, With an allowance recorded |  | 745 | 449
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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