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Loans (Summary Of Impaired Loans) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2016 | Dec. 31, 2015
Financing Receivable, Impaired [Line Items] |  |  |
Recorded Investment, With no related allowance recorded | [1] | $ 3,479 | $ 2,378
Recorded Investment, With an allowance recorded | [1] | 2,358 | 2,491
Recorded Investment | [1] | 5,837 | 4,869
Unpaid Principal Balance, With no related allowance recorded | [1] | 4,407 | 3,095
Unpaid Principal Balance, With an allowance recorded | [1] | 2,358 | 2,491
Unpaid Principal Balance | [1] | 6,765 | 5,586
Related Allowance |  | 952 | 1,006
Average Recorded Investment, With no related allowance recorded |  | 2,534 | 2,365
Average Recorded Investment, With an allowance recorded |  | 2,453 | 2,395
Average Recorded Investment |  | $ 4,987 | $ 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] | $ 2,130 | $ 1,441
Recorded Investment, With an allowance recorded | [1] | 1,926 | 2,481
Unpaid Principal Balance, With no related allowance recorded | [1] | 2,710 | 1,810
Unpaid Principal Balance, With an allowance recorded | [1] | 1,926 | 2,481
Related Allowance |  | 825 | 996
Average Recorded Investment, With no related allowance recorded |  | 1,516 | 1,352
Average Recorded Investment, With an allowance recorded |  | $ 2,339 | $ 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] | $ 1,349 | $ 937
Recorded Investment, With an allowance recorded | [1] | 432 | 10
Unpaid Principal Balance, With no related allowance recorded | [1] | 1,697 | 1,285
Unpaid Principal Balance, With an allowance recorded | [1] | 432 | 10
Related Allowance |  | 127 | 10
Average Recorded Investment, With no related allowance recorded |  | 1,018 | 1,013
Average Recorded Investment, With an allowance recorded |  | $ 114 | $ 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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