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Loans, Allowance For Loan Losses And OREO (Impaired Loans) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020
Financing Receivable, Impaired [Line Items] |  |
Totals: Recorded Investment | $ 4,578 | $ 4,817
Totals: Unpaid Principal Balance | 5,105 | 5,279
Totals: Related Allowance |  | 4
Totals: Average Recorded Investment | 4,698 | 4,944
Totals: Interest Income Recognized | 67 | 286
Commercial [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment | 277 | 341
With No Related Allowance Recorded: Unpaid Principal Balance | 327 | 341
With No Related Allowance Recorded: Average Recorded Investment | 309 | 405
With No Related Allowance Recorded: Interest Income Recognized | 6 | 30
With An Allowance Recorded: Recorded Investment |  | 4
With An Allowance Recorded: Unpaid Principal Balance |  | 4
With An Allowance Recorded: Average Recorded Investment | 2 | 6
Totals: Recorded Investment | 277 | 345
Totals: Unpaid Principal Balance | 327 | 345
Totals: Related Allowance |  | 4
Totals: Average Recorded Investment | 311 | 411
Totals: Interest Income Recognized | 6 | 30
Commercial Real Estate [Member] | Commercial Mortgages-Owner Occupied [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment | 2,105 | 2,143
With No Related Allowance Recorded: Unpaid Principal Balance | 2,461 | 2,496
With No Related Allowance Recorded: Average Recorded Investment | 2,124 | 2,305
With No Related Allowance Recorded: Interest Income Recognized | 41 | 135
With An Allowance Recorded: Average Recorded Investment |  | 6
Totals: Recorded Investment | 2,105 | 2,143
Totals: Unpaid Principal Balance | 2,461 | 2,496
Totals: Average Recorded Investment | 2,124 | 2,311
Totals: Interest Income Recognized | 41 | 135
Commercial Real Estate [Member] | Commercial Mortgages-Non-Owner Occupied [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment | 634 | 639
With No Related Allowance Recorded: Unpaid Principal Balance | 685 | 677
With No Related Allowance Recorded: Average Recorded Investment | 637 | 601
With No Related Allowance Recorded: Interest Income Recognized | 4 | 43
With An Allowance Recorded: Average Recorded Investment |  | 7
Totals: Recorded Investment | 634 | 639
Totals: Unpaid Principal Balance | 685 | 677
Totals: Average Recorded Investment | 637 | 608
Totals: Interest Income Recognized | 4 | 43
Consumer [Member] | Consumer Secured [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment | 223 | 343
With No Related Allowance Recorded: Unpaid Principal Balance | 223 | 346
With No Related Allowance Recorded: Average Recorded Investment | 283 | 225
With No Related Allowance Recorded: Interest Income Recognized | 4 | 16
Totals: Recorded Investment | 223 | 343
Totals: Unpaid Principal Balance | 223 | 346
Totals: Average Recorded Investment | 283 | 225
Totals: Interest Income Recognized | 4 | 16
Residential [Member] | Residential Mortgages [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
With No Related Allowance Recorded: Recorded Investment | 1,339 | 1,347
With No Related Allowance Recorded: Unpaid Principal Balance | 1,409 | 1,415
With No Related Allowance Recorded: Average Recorded Investment | 1,343 | 1,319
With No Related Allowance Recorded: Interest Income Recognized | 12 | 62
With An Allowance Recorded: Average Recorded Investment |  | 70
Totals: Recorded Investment | 1,339 | 1,347
Totals: Unpaid Principal Balance | 1,409 | 1,415
Totals: Average Recorded Investment | 1,343 | 1,389
Totals: Interest Income Recognized | $ 12 | $ 62

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