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Loans And Allowance For Loan Losses (Impaired Loans) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Financing Receivable, Impaired [Line Items] |  |
Totals: Recorded Investment | $ 9,799 | $ 9,414
Totals: Unpaid Principal Balance | 10,545 | 10,616
Totals: Related Allowance | 1,771 | 1,294
Totals: Average Recorded Investment | 9,610 | 10,051
Totals: Interest Income Recognized | 464 | 441
Commercial Mortgages-Owner Occupied [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment | 3,019 | 3,082
With No Related Allowance Recorded: Unpaid Principal Balance | 3,077 | 3,100
With No Related Allowance Recorded: Average Recorded Investment | 3,051 | 2,959
With No Related Allowance Recorded: Interest Income Recognized | 142 | 174
With An Allowance Recorded: Recorded Investment | 1,587 | 877
With An Allowance Recorded: Unpaid Principal Balance | 1,618 | 883
With An Allowance Recorded: Average Recorded Investment | 1,232 | 865
With An Allowance Recorded: Interest Income Recognized | 81 | 35
Totals: Recorded Investment | 4,606 | 3,959
Totals: Unpaid Principal Balance | 4,695 | 3,983
Totals: Related Allowance | 249 | 163
Totals: Average Recorded Investment | 4,283 | 3,824
Totals: Interest Income Recognized | 223 | 209
Commercial Mortgages-Non-Owner Occupied [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment | 349 | 177
With No Related Allowance Recorded: Unpaid Principal Balance | 349 | 177
With No Related Allowance Recorded: Average Recorded Investment | 263 | 628
With No Related Allowance Recorded: Interest Income Recognized | 23 | 12
With An Allowance Recorded: Recorded Investment | 74 | 672
With An Allowance Recorded: Unpaid Principal Balance | 74 | 738
With An Allowance Recorded: Average Recorded Investment | 373 | 399
With An Allowance Recorded: Interest Income Recognized | 6 | 38
Totals: Recorded Investment | 423 | 849
Totals: Unpaid Principal Balance | 423 | 915
Totals: Related Allowance | 20 | 175
Totals: Average Recorded Investment | 636 | 1,027
Totals: Interest Income Recognized | 29 | 50
Commercial Construction [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment |  | 27
With No Related Allowance Recorded: Unpaid Principal Balance |  | 514
With No Related Allowance Recorded: Average Recorded Investment | 14 | 244
With An Allowance Recorded: Recorded Investment | 169 | 340
With An Allowance Recorded: Unpaid Principal Balance | 657 | 700
With An Allowance Recorded: Average Recorded Investment | 255 | 170
Totals: Recorded Investment | 169 | 367
Totals: Unpaid Principal Balance | 657 | 1,214
Totals: Related Allowance | 76 | 75
Totals: Average Recorded Investment | 269 | 414
Consumer Unsecured [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment |  |
With No Related Allowance Recorded: Unpaid Principal Balance |  |
With No Related Allowance Recorded: Average Recorded Investment |  |
With No Related Allowance Recorded: Interest Income Recognized |  |
With An Allowance Recorded: Recorded Investment |  | 31
With An Allowance Recorded: Unpaid Principal Balance |  | 32
With An Allowance Recorded: Average Recorded Investment | 16 | 16
With An Allowance Recorded: Interest Income Recognized |  | 1
Totals: Recorded Investment |  | 31
Totals: Unpaid Principal Balance |  | 32
Totals: Related Allowance |  | 31
Totals: Average Recorded Investment | 16 | 16
Totals: Interest Income Recognized |  | 1
Consumer Secured [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment | 18 | 20
With No Related Allowance Recorded: Unpaid Principal Balance | 18 | 20
With No Related Allowance Recorded: Average Recorded Investment | 19 | 21
With No Related Allowance Recorded: Interest Income Recognized | 1 | 1
With An Allowance Recorded: Recorded Investment | 110 | 190
With An Allowance Recorded: Unpaid Principal Balance | 110 | 193
With An Allowance Recorded: Average Recorded Investment | 150 | 155
With An Allowance Recorded: Interest Income Recognized | 8 | 10
Totals: Recorded Investment | 128 | 210
Totals: Unpaid Principal Balance | 128 | 213
Totals: Related Allowance | 110 | 153
Totals: Average Recorded Investment | 169 | 176
Totals: Interest Income Recognized | 9 | 11
Residential Mortgages [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment | 1,555 | 1,997
With No Related Allowance Recorded: Unpaid Principal Balance | 1,687 | 2,027
With No Related Allowance Recorded: Average Recorded Investment | 1,776 | 1,466
With No Related Allowance Recorded: Interest Income Recognized | 55 | 86
With An Allowance Recorded: Recorded Investment | 699 | 650
With An Allowance Recorded: Unpaid Principal Balance | 736 | 800
With An Allowance Recorded: Average Recorded Investment | 675 | 740
With An Allowance Recorded: Interest Income Recognized | 30 | 42
Totals: Recorded Investment | 2,254 | 2,647
Totals: Unpaid Principal Balance | 2,423 | 2,827
Totals: Related Allowance | 83 | 87
Totals: Average Recorded Investment | 2,451 | 2,206
Totals: Interest Income Recognized | 85 | 128
Residential Consumer Construction [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment |  | 171
With No Related Allowance Recorded: Unpaid Principal Balance |  | 176
With No Related Allowance Recorded: Average Recorded Investment | 86 | 86
With No Related Allowance Recorded: Interest Income Recognized |  | 4
With An Allowance Recorded: Recorded Investment |  |
With An Allowance Recorded: Unpaid Principal Balance |  |
With An Allowance Recorded: Average Recorded Investment |  |
With An Allowance Recorded: Interest Income Recognized |  |
Totals: Recorded Investment |  | 171
Totals: Unpaid Principal Balance |  | 176
Totals: Related Allowance |  |
Totals: Average Recorded Investment | 86 | 86
Totals: Interest Income Recognized |  | 4
Commercial [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment | 698 |
With No Related Allowance Recorded: Unpaid Principal Balance | 698 |
With No Related Allowance Recorded: Average Recorded Investment | 349 | 1,009
With No Related Allowance Recorded: Interest Income Recognized | 37 |
With An Allowance Recorded: Recorded Investment | 1,521 | 1,180
With An Allowance Recorded: Unpaid Principal Balance | 1,521 | 1,256
With An Allowance Recorded: Average Recorded Investment | 1,351 | 1,293
With An Allowance Recorded: Interest Income Recognized | 81 | 38
Totals: Recorded Investment | 2,219 | 1,180
Totals: Unpaid Principal Balance | 2,219 | 1,256
Totals: Related Allowance | 1,233 | 610
Totals: Average Recorded Investment | 1,700 | 2,302
Totals: Interest Income Recognized | $ 118 | $ 38

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