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Loans And Leases (Individually Evaluated For Impairment By Class Of Loans) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Dec. 31, 2017
Financing Receivable, Impaired [Line Items] |  |  |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | $ 388 |  |  | $ 391
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 3,354 |  |  | 3,439
Impaired Financing Receivable, Unpaid Principal Balance, Total | 3,742 |  |  | 3,830
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 134 |  |  | 137
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 3,354 |  |  | 3,439
Impaired Financing Receivable, Recorded Investment, Total | 3,488 |  |  | 3,576
Impaired Financing Receivable, Allocated Loans and Leases | 27 |  |  | 26
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 135 |  | $ 687 |
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 3,376 |  | 3,542 |
Impaired Financing Receivable, Average Recorded Investment, Total | 3,511 |  | 4,229 |
Impaired Financing Receivable, with no Related Allowance, Interest Income Recognized | 5 |  | 14 |
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized | 44 |  | 38 |
Impaired Financing Receivable, Interest Income Recognized, Total | 49 |  | 52 |
Impaired Financing Receivable Allocated Loans and Leases | 27 |  |  | 26
Impaired financing receivable, rounding threshold | 1 |  |  | 1
Single-Family Residential [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 115 | [1] |  | 116
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 115 | [1] |  | 116
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 115 | [1] | 120 |
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized | 1 | [1] | 2 |
Multi-Family Residential [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment |  |  | 36 |
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized |  |  | 1 |
Non-Owner Occupied [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 2,841 |  |  | 2,856
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 2,841 |  |  | 2,856
Impaired Financing Receivable, Allocated Loans and Leases | 26 |  |  | 24
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 2,847 |  | 2,173 |
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized | 39 |  | 32 |
Owner Occupied [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 388 |  |  | 391
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 187 |  |  | 190
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 134 |  |  | 137
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 187 |  |  | 190
Impaired Financing Receivable, Allocated Loans and Leases | 1 |  |  | 2
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 135 |  | 394 |
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 187 |  | 1,025 |
Impaired Financing Receivable, with no Related Allowance, Interest Income Recognized | 5 |  | 12 |
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized | 2 |  | 2 |
Commercial [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 211 | [1] |  | 277
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 211 | [1] |  | $ 277
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment |  |  | 293 |
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 227 | [1] | 188 |
Impaired Financing Receivable, with no Related Allowance, Interest Income Recognized |  |  | 2 |
Impaired Financing Receivable, with Related Allowance, Interest Income Recognized | $ 2 | [1] | $ 1 |
[1] | Allowance recorded is less than $1 resulting in rounding to zero.

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