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Loans And Allowance For Loan Losses (Impaired Loans) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Financing Receivable, Impaired [Line Items] |  |
Totals: Recorded Investment | $ 5,067 | $ 6,580
Totals: Unpaid Principal Balance | 5,852 | 7,355
Totals: Related Allowance | 55 | 238
Totals: Average Recorded Investment | 5,826 | 7,138
Totals: Interest Income Recognized | 323 | 324
Commercial [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment | 468 | 1,430
With No Related Allowance Recorded: Unpaid Principal Balance | 1,036 | 1,922
With No Related Allowance Recorded: Average Recorded Investment | 949 | 1,178
With No Related Allowance Recorded: Interest Income Recognized | 26 | 24
With An Allowance Recorded: Recorded Investment | 7 | 31
With An Allowance Recorded: Unpaid Principal Balance | 7 | 31
With An Allowance Recorded: Average Recorded Investment | 19 | 174
With An Allowance Recorded: Interest Income Recognized | 1 | 3
Totals: Recorded Investment | 475 | 1,461
Totals: Unpaid Principal Balance | 1,043 | 1,953
Totals: Related Allowance | 7 | 15
Totals: Average Recorded Investment | 968 | 1,352
Totals: Interest Income Recognized | 27 | 27
Commercial Real Estate [Member] | Commercial Mortgages-Owner Occupied [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment | 2,467 | 2,414
With No Related Allowance Recorded: Unpaid Principal Balance | 2,643 | 2,511
With No Related Allowance Recorded: Average Recorded Investment | 2,441 | 2,421
With No Related Allowance Recorded: Interest Income Recognized | 183 | 167
With An Allowance Recorded: Recorded Investment | 12 | 39
With An Allowance Recorded: Unpaid Principal Balance | 12 | 132
With An Allowance Recorded: Average Recorded Investment | 26 | 352
With An Allowance Recorded: Interest Income Recognized | 1 | 3
Totals: Recorded Investment | 2,479 | 2,453
Totals: Unpaid Principal Balance | 2,655 | 2,643
Totals: Related Allowance | 12 | 36
Totals: Average Recorded Investment | 2,467 | 2,773
Totals: Interest Income Recognized | 184 | 170
Commercial Real Estate [Member] | Commercial Mortgages-Non-Owner Occupied [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment | 563 | 131
With No Related Allowance Recorded: Unpaid Principal Balance | 585 | 132
With No Related Allowance Recorded: Average Recorded Investment | 347 | 403
With No Related Allowance Recorded: Interest Income Recognized | 32 | 8
With An Allowance Recorded: Recorded Investment | 14 | 90
With An Allowance Recorded: Unpaid Principal Balance | 14 | 90
With An Allowance Recorded: Average Recorded Investment | 52 | 82
With An Allowance Recorded: Interest Income Recognized | 1 | 6
Totals: Recorded Investment | 577 | 221
Totals: Unpaid Principal Balance | 599 | 222
Totals: Related Allowance | 3 | 20
Totals: Average Recorded Investment | 399 | 485
Totals: Interest Income Recognized | 33 | 14
Commercial Real Estate [Member] | Commercial Construction [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With An Allowance Recorded: Average Recorded Investment |  | 85
Totals: Average Recorded Investment |  | 85
Consumer [Member] | 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 |  | 1
With An Allowance Recorded: Unpaid Principal Balance |  | 1
With An Allowance Recorded: Average Recorded Investment | 1 | 2
Totals: Recorded Investment |  | 1
Totals: Unpaid Principal Balance |  | 1
Totals: Related Allowance |  | 1
Totals: Average Recorded Investment | 1 | 2
Consumer [Member] | Consumer Secured [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment | 107 | 88
With No Related Allowance Recorded: Unpaid Principal Balance | 107 | 88
With No Related Allowance Recorded: Average Recorded Investment | 98 | 184
With No Related Allowance Recorded: Interest Income Recognized | 7 | 6
With An Allowance Recorded: Recorded Investment |  | 105
With An Allowance Recorded: Unpaid Principal Balance |  | 105
With An Allowance Recorded: Average Recorded Investment | 53 | 266
With An Allowance Recorded: Interest Income Recognized |  | 7
Totals: Recorded Investment | 107 | 193
Totals: Unpaid Principal Balance | 107 | 193
Totals: Related Allowance |  | 105
Totals: Average Recorded Investment | 151 | 450
Totals: Interest Income Recognized | 7 | 13
Residential [Member] | Residential Mortgages [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment | 1,290 | 1,876
With No Related Allowance Recorded: Unpaid Principal Balance | 1,290 | 1,953
With No Related Allowance Recorded: Average Recorded Investment | 1,583 | 1,728
With No Related Allowance Recorded: Interest Income Recognized | 68 | 89
With An Allowance Recorded: Recorded Investment | 139 | 375
With An Allowance Recorded: Unpaid Principal Balance | 158 | 390
With An Allowance Recorded: Average Recorded Investment | 257 | 263
With An Allowance Recorded: Interest Income Recognized | 4 | 11
Totals: Recorded Investment | 1,429 | 2,251
Totals: Unpaid Principal Balance | 1,448 | 2,343
Totals: Related Allowance | 33 | 61
Totals: Average Recorded Investment | 1,840 | 1,991
Totals: Interest Income Recognized | 72 | 100
Residential [Member] | Residential Consumer Construction [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 |  |
With An Allowance Recorded: Unpaid Principal Balance |  |
With An Allowance Recorded: Average Recorded Investment |  |
With An Allowance Recorded: Interest Income Recognized |  |
Totals: Recorded Investment |  |
Totals: Unpaid Principal Balance |  |
Totals: Related Allowance |  |
Totals: Average Recorded Investment |  |
Totals: Interest Income Recognized |  |

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