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Loans And Related Allowances For Loan Losses (TDRs) (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 USD ($) contract | Sep. 30, 2020 USD ($) contract | Sep. 30, 2021 USD ($) contract loan | Sep. 30, 2020 USD ($) contract
Troubled Debt Restructuring [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Number of contracts | loan |  |  | 14 |
Temporary Rate Modification [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Number of contracts | contract |  |  |  | 1
Recorded Investment | $ |  |  |  | $ 46
Extension Of Maturity [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Number of contracts | contract | 2 | 2 | 3 | 4
Recorded Investment | $ | $ 417 | $ 440 | $ 526 | $ 887
Modification Of Payment And Other Terms [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Number of contracts | contract |  | 1 |  | 4
Recorded Investment | $ |  | $ 111 |  | $ 2,582
Commercial real estate- non owner-occupied [Member] | Extension Of Maturity [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Number of contracts | contract |  |  | 1 |
Recorded Investment | $ |  |  | $ 109 |
Commercial real estate- all other CRE [Member] | Modification Of Payment And Other Terms [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Number of contracts | contract |  |  |  | 1
Recorded Investment | $ |  |  |  | $ 2,226
Acquisition and development- All other A&D [Member] | Extension Of Maturity [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Number of contracts | contract | 1 | 1 | 1 | 2
Recorded Investment | $ | $ 202 | $ 213 | $ 202 | $ 430
Residential mortgage- term [Member] | Temporary Rate Modification [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Number of contracts | contract |  |  |  | 1
Recorded Investment | $ |  |  |  | $ 46
Residential mortgage- term [Member] | Extension Of Maturity [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Number of contracts | contract | 1 | 1 | 1 | 2
Recorded Investment | $ | $ 215 | $ 227 | $ 215 | $ 457
Residential mortgage- term [Member] | Modification Of Payment And Other Terms [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Number of contracts | contract |  | 1 |  | 3
Recorded Investment | $ |  | $ 111 |  | $ 356

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